| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:CommonStockValue | ▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▄▄▄▄▄▄▄▄▄▄▅▅▅▅████████████ | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.9 | 0.9 | 0.9 | 0.9 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | NA | NA | NA | NA |
| us-gaap:CommonStockSharesIssued | NA | NA | NA | NA | 64.563291 | 64.563291 | 64.563291 | 64.563291 | 64.563291 | 64.563291 | 64.563291 | 72.563291 | 72.563291 | 72.563291 | 72.563291 | 72.563291 | 72.563291 | 80.563291 | 80.563291 | 80.563291 | 80.563291 | 80.563291 | 80.563291 | 80.563291 | 80.563291 | 80.563291 | 80.563291 | 88.169235 | 88.142219 | 88.085381 | 88.062341 | 108.014771 | 107.976955 | 107.93244 | 107.86331 | 108.026137 | 107.856995 | 107.607452 | 107.486539 | 106.754019 | 106.215419 | 105.606842 | 105.49888 | NA | NA | NA | NA | |
| us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding | █▁ | 60.611505 | 60.560859 | NA | 60.330941 | 60.102925 | 60.67859 | NA | 61.330086 | 62.354334 | 63.123197 | NA | 65.86866 | 66.70804 | 67.562452 | NA | 68.834279 | 69.448798 | 70.327348 | NA | 72.05227 | 73.864457 | 75.474339 | NA | 77.416102 | 78.076247 | 79.079598 | NA | 81.403225 | 81.940772 | 82.761597 | NA | 81.754163 | 85.550974 | 95.871104 | NA | 98.864873 | 100.611799 | 101.929401 | NA | 105.808749 | 107.413536 | 108.242339 | NA | 108.216662 | 108.095032 | NA | 69.050374 |
| us-gaap:WeightedAverageNumberOfSharesOutstandingBasic | ▁█ | 60.292 | 60.312573 | NA | 60.159356 | 60.102925 | 60.50945 | NA | 61.133723 | 62.191022 | 62.818792 | NA | 65.372829 | 66.320362 | 67.086326 | NA | 68.061718 | 68.903958 | 69.658368 | NA | 71.259766 | 73.322857 | 74.689475 | NA | 76.259209 | 77.478053 | 78.25059 | NA | 79.974811 | 80.920465 | 81.075811 | NA | 80.674338 | 84.517205 | 94.816752 | NA | 97.482353 | 99.127883 | 100.315771 | NA | 103.356696 | 104.66707 | 105.060428 | NA | 99.33223 | 92.932786 | NA | 69.050374 |
| us-gaap:EarningsPerShareBasic | ▅▅▅▅▁▄▅▅▅▅▅▅▆▆▆▅▆▆▅▅▅▅▅▅▅▄▅▄▄▄▄▄▄▄█▄▄▄▄▄▄▄▄▄▄▄▃ | 2.91 | 3.38 | 3.35 | 2.9 | -4.89 | 1.26 | 2.51 | 3.59 | 2.92 | 3.75 | 3.42 | 3.83 | 4.86 | 5.19 | 5.89 | 4.0 | 4.53 | 4.39 | 3.28 | 3.01 | 3.85 | 3.33 | 3.13 | 2.37 | 2.35 | 1.88 | 3.32 | 1.75 | 1.84 | 1.5 | 0.9 | 1.4 | 1.62 | 1.14 | 9.12 | 1.25 | 1.47 | 1.34 | 1.05 | 0.97 | 1.7 | 1.48 | 1.12 | 0.92 | 1.58 | 0.68 | -0.06 |
| us-gaap:EarningsPerShareDiluted | ▅▅▅▅▁▄▅▅▅▅▅▅▆▆▆▅▆▆▅▅▅▅▅▅▅▄▅▄▄▄▄▄▄▄█▄▄▄▄▄▄▄▄▄▄▄▃ | 2.89 | 3.36 | 3.33 | 2.89 | -4.89 | 1.26 | 2.5 | 3.58 | 2.92 | 3.73 | 3.39 | 3.8 | 4.83 | 5.16 | 5.8 | 3.96 | 4.49 | 4.35 | 3.24 | 2.98 | 3.82 | 3.29 | 3.07 | 2.34 | 2.33 | 1.86 | 3.24 | 1.72 | 1.81 | 1.47 | 0.88 | 1.38 | 1.6 | 1.13 | 9.0 | 1.23 | 1.45 | 1.32 | 1.03 | 0.95 | 1.65 | 1.44 | 1.08 | 0.88 | 1.48 | 0.61 | -0.06 |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,lea:ESystemsSegment | NA | NA | NA | 1208.5 | NA | NA | NA | 1110.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,lea:Seating | NA | NA | NA | 3691.6 | NA | NA | NA | 3715.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,lear:ESystemsSegment | ▁█ | 1152.5 | 1358.4 | NA | NA | 689.6 | 1091.1 | NA | 1110.0 | 1168.2 | 1246.4 | NA | 1208.6 | 1306.1 | 1403.8 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,lear:Seating | ▁█ | 3608.2 | 3996.0 | NA | NA | 1754.9 | 3366.6 | NA | 3715.0 | 3839.4 | 3913.7 | NA | 3683.0 | 4274.7 | 4329.9 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TTM Greenblatt ROC _ _ | ▆▇▇▇▁▆▆▇▇▇█ | 205.5 | 307.4 | 296.2 | 278.8 | -294.3 | 173.4 | 152.1 | 300.7 | 305.2 | 312.2 | 359.7 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:ComprehensiveIncomeNetOfTax | ▄▃▄▄▁▁▃▃▄▄▃▄▃▅▅▅▅▅▃▄▄▄▄▃▄▂▂▃▃▃▄▃▃▃█▃▃▄▂▂▄▄ | 237.8 | 118.4 | 336.2 | 257.7 | -167.6 | -200.2 | 182.6 | 84.8 | 196.1 | 223.2 | 162.3 | 224.3 | 84.5 | 486.3 | 423.9 | 369.7 | 433.7 | 408.3 | 97.8 | 224.7 | 229.2 | 317.9 | 191.6 | 94.8 | 211.5 | 19.5 | 27.3 | 41.7 | 154.5 | 113.0 | 227.6 | 144.2 | 108.4 | 85.9 | 879.4 | 166.4 | 67.2 | 201.0 | -88.0 | -69.1 | 215.9 | 227.8 | NA | NA | NA | NA | NA |
| us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | ▅▅▇█▆▁▆▃▃▆▇▃▂█▇▆▄▄▃▅▃▄▄▃▃▃▂▃▂▂▂▁▂▂▂▂▂▃▂▂▂▂ | 21.6 | 21.0 | 30.1 | 33.0 | 25.5 | 2.4 | 25.0 | 11.3 | 12.3 | 25.0 | 30.3 | 11.8 | 4.9 | 33.7 | 27.6 | 22.6 | 17.3 | 13.8 | 12.6 | 20.6 | 9.3 | 14.3 | 16.2 | 9.9 | 11.0 | 9.3 | 5.0 | 9.2 | 9.0 | 4.8 | 7.7 | 4.1 | 5.3 | 8.8 | 9.1 | 7.9 | 7.8 | 10.8 | 8.0 | 7.8 | 9.0 | 7.4 | NA | NA | NA | NA | NA |
| us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | ▄▃▅▄▁▁▄▃▄▄▄▄▃▆▅▅▅▅▃▄▄▄▄▃▄▂▂▃▃▃▄▃▃▃█▃▃▄▂▂▄▄▃▄▃ | 259.4 | 139.4 | 366.3 | 290.7 | -142.1 | -197.8 | 207.6 | 96.1 | 208.4 | 248.2 | 192.6 | 236.1 | 89.4 | 520.0 | 451.5 | 392.3 | 451.0 | 422.1 | 110.4 | 245.3 | 238.5 | 332.2 | 207.8 | 104.7 | 222.5 | 28.8 | 32.3 | 50.9 | 163.5 | 117.8 | 235.3 | 148.3 | 113.7 | 94.7 | 888.5 | 174.3 | 75.0 | 211.8 | -80.0 | -61.3 | 224.9 | 235.2 | 36.7 | 220.8 | 81.5 | NA | -9.1 |
| us-gaap:CostOfGoodsAndServicesSold | ▆▇▇▆▁▅▆▆▆▇▆▆██▇▆▆ | 4359.3 | 4861.6 | 4783.9 | 4457.3 | 2571.9 | 4123.5 | 4490.8 | 4365.7 | 4529.4 | 4686.9 | 4419.9 | 4365.3 | 4942.7 | 5102.3 | 4788.9 | 4425.6 | 4545.4 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:GainsLossesOnExtinguishmentOfDebt | NA | NA | 0.0 | 0.0 | 0.0 | -21.1 | 0.0 | 0.0 | -10.6 | 0.0 | 0.0 | 0.0 | NA | NA | 0.0 | 21.2 | NA | NA | 0.0 | NA | NA | NA | 0.0 | 0.0 | NA | NA | -17.5 | 0.0 | 0.0 | -17.5 | 0.0 | 0.0 | 0.0 | -3.6 | 0.0 | -3.7 | NA | NA | NA | NA | NA | NA | 0.0 | 0.0 | 0.0 | -11.8 | NA | |
| us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:LongtermDebtType us-gaap:SeniorNotes | NA | NA | NA | NA | 0.0 | -21.1 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:GrossProfit | NA | NA | 459.3 | 442.8 | -127.4 | 334.2 | 326.8 | 459.3 | 478.2 | 473.2 | 522.5 | 526.3 | 638.1 | 631.4 | 574.9 | 555.9 | 577.8 | 582.5 | 512.1 | 513.9 | 540.4 | 535.7 | 490.7 | 453.2 | 450.2 | 425.7 | 392.0 | 361.2 | 379.1 | 360.5 | 319.4 | 330.2 | 337.7 | 312.4 | 301.8 | 291.3 | 314.6 | 309.8 | 242.7 | 280.5 | 346.6 | 323.4 | 234.9 | 235.8 | 292.8 | 254.8 | NA | |
| us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | ▆▆▆▆▁▅▅▆▆▇▇▇██▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▆▆ | 229.3 | 278.8 | 273.9 | 235.2 | -318.3 | 108.5 | 132.8 | 267.0 | 266.9 | 286.9 | 318.1 | 328.9 | 443.6 | 447.8 | 367.3 | 385.3 | 381.9 | 392.2 | 308.1 | 310.3 | 376.0 | 343.9 | 309.4 | 259.5 | 256.3 | 206.3 | 219.0 | 197.7 | 201.4 | 169.3 | 131.1 | 158.7 | 173.5 | 146.8 | 154.7 | 154.4 | 165.8 | 174.0 | 78.1 | 137.5 | 201.5 | 202.7 | NA | NA | NA | 80.2 | -33.8 |
| us-gaap:IncomeTaxExpenseBenefit | ▇███▇▇▇▇██████▇███████████▇██████▇▁▇▇▇▇▇▇▇▇▇▇▇▇ | 39.3 | 58.9 | 63.8 | 44.6 | -41.0 | 26.5 | -3.8 | 33.5 | 73.3 | 43.1 | 78.9 | 57.6 | 97.7 | 77.7 | -42.7 | 77.8 | 73.3 | 89.1 | 82.8 | 88.2 | 101.0 | 98.2 | 74.6 | 76.1 | 71.9 | 62.9 | -41.7 | 57.6 | 52.8 | 52.7 | 62.5 | 51.2 | 41.1 | 37.9 | -738.4 | 29.3 | 31.8 | 39.3 | -21.9 | 31.0 | 19.7 | 40.0 | -4.5 | 5.4 | 17.3 | 6.4 | -24.2 |
| us-gaap:IncomeTaxesPaidNet | ▄▂▄▁▂▂▃▁▅▃▄▅█▅▅▆█▅▇▃▅▃▆▂▆▃▁▃▄▃▂▃▄▂ | 51.5 | 31.0 | 56.2 | 22.0 | 27.5 | 35.8 | 38.4 | 24.5 | 67.6 | 41.6 | 54.1 | 66.1 | 95.4 | 63.6 | 59.1 | 69.2 | 90.6 | 65.1 | 86.0 | 43.2 | 67.0 | 41.4 | 76.8 | 32.2 | 69.5 | 40.2 | 21.5 | 38.2 | 54.7 | 40.2 | 31.5 | 44.8 | 48.2 | 28.4 | NA | NA | NA | NA | 18.9 | 11.0 | NA | NA | 15.6 | 3.8 | NA | NA | 4.3 |
| us-gaap:InterestExpense | ▇▇▆██▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▇▆▅▄▅▅▅▅▅▃▄▄▄▄▃▃▁▃▄▄▆▃ | 22.3 | 22.3 | 21.5 | 26.5 | 27.2 | 24.4 | 22.6 | 24.0 | 24.5 | 20.9 | 21.3 | 21.2 | 20.9 | 20.7 | 21.8 | 21.7 | 21.4 | 20.8 | 20.5 | 20.6 | 20.3 | 21.1 | 20.4 | 21.4 | 20.5 | 24.4 | 20.4 | 15.7 | 14.6 | 16.8 | 16.8 | 17.5 | 17.4 | 16.7 | 9.7 | 13.7 | 14.0 | 12.5 | 14.8 | 10.9 | 10.7 | 3.3 | 11.2 | 11.9 | 13.3 | 19.0 | 11.1 |
| us-gaap:InterestPaidNet | ▅▃▆▄▅▆▄▆▂█▁█▁█▁█ | 30.7 | 14.6 | 34.1 | 18.7 | 30.5 | 34.5 | 19.2 | 34.4 | 7.2 | 43.6 | 3.4 | 43.5 | 4.6 | 45.6 | 2.4 | 46.5 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:NetIncomeLoss | ▄▄▄▄▁▃▃▄▄▄▄▄▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▃▃▃▄▃█▃▄▄▃▃▄▄▃▃▄▃▃ | 175.2 | 203.7 | 201.6 | 174.4 | -293.9 | 76.4 | 126.0 | 215.9 | 182.8 | 228.9 | 212.2 | 252.5 | 331.4 | 353.7 | 400.5 | 295.2 | 311.9 | 305.8 | 229.9 | 214.4 | 282.4 | 248.4 | 235.3 | 181.0 | 181.9 | 147.3 | 261.8 | 140.1 | 148.5 | 122.0 | 72.8 | 112.8 | 137.3 | 108.5 | 881.9 | 121.4 | 145.4 | 134.1 | 106.5 | 100.7 | 177.5 | 156.0 | 117.1 | 95.3 | 159.8 | 66.1 | -3.8 |
| us-gaap:NetIncomeLossAttributableToNoncontrollingInterest | ▆▆▆▆▇▃▅▆▆▅█▆▇▆▆▆▅▄▆▆▄▅▅▄▄▄▃▃▄▃▃▃▃▃▃▃▄▄▃▃▃▃▃▂▃▃▁ | 19.7 | 22.1 | 21.1 | 22.7 | 24.4 | 7.2 | 18.0 | 22.7 | 19.2 | 17.2 | 30.6 | 22.2 | 23.6 | 20.5 | 19.9 | 19.8 | 15.1 | 12.7 | 18.6 | 20.6 | 12.1 | 14.1 | 17.6 | 12.3 | 11.0 | 9.4 | 6.2 | 7.8 | 9.3 | 6.6 | 7.1 | 3.9 | 5.0 | 8.4 | 8.2 | 6.7 | 9.2 | 10.3 | 7.4 | 7.4 | 8.2 | 6.7 | 6.7 | 3.2 | 5.5 | 7.7 | -3.9 |
| us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic | NA | NA | 201.6 | 174.4 | -293.9 | 76.4 | 152.5 | 219.5 | 181.9 | 235.6 | 218.7 | 250.2 | 322.2 | 348.3 | 397.7 | 272.5 | 311.9 | 305.8 | 229.9 | 214.4 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 106.5 | 100.7 | 177.5 | NA | 115.1 | 91.0 | 147.0 | NA | -3.8 | |
| us-gaap:OperatingIncomeLoss | ▆▇▆▆▁▅▅▆▇▇▇▇██ | 205.5 | 307.4 | 296.2 | 278.8 | -294.3 | 173.4 | 152.1 | 300.7 | 305.2 | 312.2 | 359.7 | 363.3 | 468.2 | 462.9 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:OtherIncome | █▄▄▄▄▄▄▄▄▄▃▄▄▄▃█▃▄▃▃▆▃▃▃▃▄▄▄▃▃▃▃▃▃▅▄▄▄▃▄▄▄▁▄▆ | 52.3 | 3.6 | 10.2 | 3.2 | 7.6 | 7.0 | 13.8 | 4.0 | 2.9 | 6.9 | -0.7 | 3.4 | 2.8 | 11.1 | 1.8 | 56.2 | 1.7 | 4.3 | 0.3 | 1.3 | 34.1 | 0.8 | 0.5 | 0.1 | 0.3 | 2.3 | 2.2 | 5.3 | 0.6 | 0.6 | 0.8 | 0.5 | 0.1 | 0.6 | 14.0 | 7.8 | 3.2 | 2.9 | -9.1 | 4.5 | 4.8 | 7.0 | -28.4 | 9.8 | 26.5 | NA | 0.4 |
| us-gaap:ProfitLoss | ▄▄▄▄▁▃▃▄▄▄▄▄▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃█▃▄▃▃▃▄▄▃▃▄▃▃ | 194.9 | 225.8 | 222.7 | 197.1 | -269.5 | 83.6 | 144.0 | 238.6 | 202.0 | 246.1 | 242.8 | 274.7 | 355.0 | 374.2 | 420.4 | 315.0 | 327.0 | 318.5 | 248.5 | 235.0 | 294.5 | 262.5 | 252.9 | 193.3 | 192.9 | 156.7 | 268.0 | 147.9 | 157.8 | 128.6 | 79.9 | 116.7 | 142.3 | 116.9 | 890.1 | 128.1 | 154.6 | 144.4 | 113.9 | 108.1 | 185.7 | 162.7 | 123.8 | 98.5 | 165.3 | 73.8 | -7.7 |
| us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax | ▆▇▇▇▂▆▆▆▇▇▇▇██▇▇▇▇▆▆▆▆▆▆▆▆▆▅▆▆▆▅▅▅▅▄▅▄▄▄▅▄▄▃▃▃▁ | 4760.7 | 5354.4 | 5243.2 | 4900.1 | 2444.5 | 4457.7 | 4817.6 | 4825.0 | 5007.6 | 5160.1 | 4942.4 | 4891.6 | 5580.8 | 5733.7 | 5363.8 | 4981.5 | 5123.2 | 4998.5 | 4643.5 | 4526.4 | 4724.8 | 4662.9 | 4724.6 | 4330.3 | 4635.1 | 4521.4 | 4549.7 | 4232.7 | 4585.1 | 4359.8 | 4256.1 | 3917.7 | 4113.1 | 3947.1 | 3719.4 | 3538.6 | 3665.0 | 3644.0 | 3508.5 | 3460.0 | 3676.3 | 3511.7 | 3156.5 | 2820.3 | 3039.3 | 2938.5 | 1580.9 |
| us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax | NA | NA | 5243.2 | 4900.1 | 2444.5 | 4457.7 | 4817.6 | 4825.0 | 5007.6 | 5160.1 | 4942.4 | 4891.6 | 5580.8 | 5733.7 | 5363.8 | 4981.5 | 5123.2 | 4998.5 | 4643.5 | 4526.4 | 4724.8 | 4662.9 | 4724.6 | 4330.3 | 4635.1 | 4521.4 | 4549.7 | 4232.7 | 4585.1 | 4359.8 | 4256.1 | 3917.7 | 4113.1 | 3947.1 | 3719.4 | 3538.6 | 3665.0 | 3644.0 | 3508.5 | 3460.0 | 3676.3 | 3511.7 | 3156.5 | 2820.3 | 3039.3 | 2938.5 | 1580.9 | |
| us-gaap:SellingGeneralAndAdministrativeExpense | ██▆▆▇▆▇▆▇▆▇▇▇▇█▇▇▇█▇▇▆▆▆▇▇▅▅▆▆▆▅▅▅▅▄▄▄▅▄▄▄▃▄▄▅▁ | 170.8 | 168.9 | 146.6 | 147.7 | 150.9 | 143.7 | 157.7 | 141.9 | 157.1 | 148.3 | 150.3 | 150.3 | 156.8 | 155.4 | 164.1 | 158.2 | 157.2 | 155.7 | 165.0 | 153.6 | 154.3 | 149.0 | 139.7 | 137.6 | 151.5 | 151.7 | 127.1 | 128.1 | 138.0 | 136.7 | 142.6 | 128.6 | 127.9 | 129.6 | 132.5 | 113.4 | 117.3 | 116.1 | 134.0 | 114.9 | 119.2 | 117.5 | 102.0 | 110.0 | 112.8 | 127.9 | 71.2 |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
|---|
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:Assets | ███▇▇█▇▇▇▇▆▇▇▇▇▆▆▅▅▅▅▅▄▄▄▄▄▃▄▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁ | 13263.7 | 13422.5 | 13198.6 | 12894.7 | 12269.0 | 13022.3 | 12680.7 | 12753.3 | 12847.7 | 12362.0 | 11600.7 | 12009.4 | 12282.4 | 12681.2 | 11945.9 | 11712.0 | 11237.2 | 10600.5 | 9900.6 | 10277.4 | 10140.5 | 9959.5 | 9405.8 | 9638.7 | 9825.4 | 9618.4 | 9150.2 | 8691.2 | 8961.8 | 8998.2 | 8330.9 | 8464.2 | 8166.8 | 8824.2 | 8194.1 | 7462.3 | 7503.6 | 7536.0 | 7010.9 | 7215.9 | 7539.0 | 7363.0 | 6621.1 | 6636.3 | 6305.3 | NA | 6073.3 |
| us-gaap:LiabilitiesAndStockholdersEquity | ███▇▇█▇▇▇▇▆▇▇▇▆▆▆▅▄▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▁▂▂▂▁ | 13263.7 | 13422.5 | 13198.6 | 12894.7 | 12269.0 | 13022.3 | 12680.7 | 12753.3 | 12847.7 | 12362.0 | 11600.7 | 12009.4 | 12282.4 | 12681.2 | 11945.9 | 11712.0 | 11237.2 | 10600.5 | 9900.6 | 10277.4 | 10140.5 | 9959.5 | 9405.8 | 9638.7 | 9825.4 | 9618.4 | 9150.2 | 8691.2 | 8961.8 | 8998.2 | 8330.9 | 8464.2 | 8166.8 | 8824.2 | 8194.1 | 7462.3 | 7503.6 | 7536.0 | 7010.9 | 7215.9 | 7539.0 | 7363.0 | 6621.1 | NA | NA | NA | NA |
| us-gaap:StockholdersEquity | █▇▇▆▅▆▇▆▆▆▆▇▇▇▆▅▅▄▃▃▃▃▂▂▂▂▃▃▃▃▃▂▂▄▄▂▁▁▁▂▂▂▁ | 4782.9 | 4580.1 | 4467.3 | 4132.8 | 3867.7 | 4023.5 | 4349.7 | 4203.8 | 4236.4 | 4245.3 | 4200.7 | 4292.9 | 4299.9 | 4399.4 | 4150.5 | 3871.1 | 3621.9 | 3331.0 | 3057.2 | 3078.5 | 3012.8 | 3037.6 | 2927.4 | 2840.3 | 2899.4 | 2812.1 | 2958.8 | 3081.9 | 3145.8 | 3142.3 | 3045.9 | 2813.5 | 2669.3 | 3360.6 | 3487.1 | 2667.4 | 2565.5 | 2577.1 | 2436.4 | 2626.5 | 2792.7 | 2655.3 | 2460.2 | NA | NA | NA | NA |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:AssetsCurrent | ▇█▇▇▅█▆▇▇▇▆▇▇█▇▇▆▆▄▅▅▅▃▄▅▄▄▃▄▄▂▃▂▄▂▂▂▃▂▃▃▃▁ | 6854.3 | 7040.8 | 6776.7 | 6598.5 | 6048.9 | 6908.5 | 6406.7 | 6618.0 | 6736.3 | 6597.6 | 6280.5 | 6567.7 | 6828.8 | 7099.7 | 6613.0 | 6563.0 | 6341.9 | 6228.9 | 5649.3 | 6053.8 | 5936.2 | 5775.7 | 5286.6 | 5631.8 | 5807.6 | 5642.4 | 5379.6 | 5333.0 | 5528.3 | 5561.0 | 4922.5 | 5003.6 | 4792.4 | 5536.3 | 4873.5 | 4844.0 | 4964.3 | 5245.0 | 4761.5 | 4991.7 | 5238.2 | 5050.6 | 4385.5 | NA | NA | NA | NA |
| us-gaap:CashAndCashEquivalentsAtCarryingValue | ▄▄▃▃▅█▄▃▃▃▄▃▃▃▄▃▃▃▃▃▄▃▃▂▂▁▂▂▁▂▃▂▁▅▄▃▃▅▅▅▅▅▅▄▄▃▄ | 1401.7 | 1375.4 | 1306.7 | 1250.4 | 1775.5 | 2449.1 | 1487.7 | 1300.9 | 1269.0 | 1199.4 | 1493.2 | 1198.6 | 1327.9 | 1268.5 | 1500.4 | 1253.7 | 1166.7 | 1209.7 | 1271.6 | 1341.6 | 1394.7 | 1174.1 | 1196.6 | 922.8 | 967.9 | 748.2 | 1094.1 | 872.7 | 865.1 | 919.4 | 1137.7 | 884.0 | 841.1 | 1601.3 | 1402.2 | 1269.6 | 1332.4 | 1630.9 | 1754.3 | 1676.5 | 1771.2 | 1707.1 | 1654.1 | 1513.5 | 1420.3 | 1300.4 | 1554.0 |
| us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | ▂▂▂▁▄█▃▂▂▁▃▁▂▂▃▁▁▁▂ | 1404.7 | 1378.5 | 1314.5 | 1258.2 | 1813.1 | 2461.9 | 1510.4 | 1323.3 | 1290.9 | 1220.9 | 1519.8 | 1224.9 | 1366.8 | 1294.5 | 1500.4 | 1253.7 | 1166.7 | 1209.7 | 1271.6 | NA | NA | NA | 1196.6 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:MarketableSecuritiesCurrent | NA | NA | 9.3 | NA | NA | NA | 17.1 | NA | NA | NA | 4.8 | NA | NA | NA | 3.2 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:MarketableSecuritiesCurrent us-gaap:FinancialInstrument us-gaap:EquitySecurities | ▁▁▄▄▃▃██▇▆▂▁▁ | 2.7 | 2.6 | 9.3 | 8.9 | 7.6 | 7.7 | 17.1 | 16.1 | 15.7 | 13.8 | 4.8 | 3.6 | 3.6 | NA | 3.2 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:AccountsReceivableNetCurrent | ▅▇▆▇▃▃▅▆▇▇▅▆▇█▆▆▆▆▄▆▅▅▄▅▆▆▃▅▅▅▃▄▃▃▂▂▃▃▁▂▃▃▁ | 2965.0 | 3441.3 | 3269.2 | 3386.8 | 2354.9 | 2472.1 | 2982.6 | 3320.7 | 3467.7 | 3468.8 | 2880.3 | 3301.8 | 3440.1 | 3795.2 | 3230.8 | 3357.9 | 3357.7 | 3308.8 | 2746.5 | 3109.5 | 2987.3 | 3048.8 | 2590.0 | 2959.9 | 3105.5 | 3170.5 | 2471.7 | 2843.0 | 3064.4 | 3027.8 | 2278.3 | 2596.9 | 2468.0 | 2438.0 | 2040.7 | 2192.8 | 2293.3 | 2366.3 | 1880.1 | 2082.3 | 2279.7 | 2258.4 | 1758.4 | NA | NA | NA | NA |
| us-gaap:InventoryNet | █▇▇▆▆▆▆▆▆▅▅▆▆▆▅▆▅▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁ | 1590.3 | 1464.8 | 1401.1 | 1265.6 | 1245.4 | 1324.3 | 1258.2 | 1294.1 | 1240.3 | 1200.5 | 1196.8 | 1285.2 | 1248.8 | 1266.3 | 1205.7 | 1232.9 | 1127.4 | 1067.8 | 1020.6 | 1063.0 | 1011.3 | 1009.7 | 947.6 | 1043.3 | 1008.6 | 985.8 | 853.7 | 899.1 | 881.6 | 872.0 | 818.7 | 839.2 | 787.9 | 793.4 | 727.1 | 763.4 | 749.9 | 715.5 | 637.8 | 708.9 | 657.6 | 627.0 | 554.2 | NA | NA | NA | NA |
| us-gaap:InventoryFinishedGoods | █▆▄▃▂▃▃▃▂▁▂▂▁▁▁ | 489.9 | 431.2 | 396.9 | 364.9 | 353.0 | 381.2 | 380.4 | 363.3 | 336.9 | 331.1 | 346.0 | 355.6 | 333.6 | 334.6 | 324.8 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:OtherAssetsCurrent | ▇▅▆▅▄▄▄▅▅▅▅▆▆▆▄▅▅▄▃▃▃▃▃▅▅▅█▅▅▅▄▄▅▅▅▄▃▂▂▂▂▂▁ | 897.3 | 759.3 | 799.7 | 695.7 | 673.1 | 663.0 | 678.2 | 702.3 | 759.3 | 728.9 | 710.2 | 782.1 | 812.0 | 769.7 | 676.1 | 718.5 | 690.1 | 642.6 | 610.6 | 539.7 | 542.9 | 543.1 | 552.4 | 705.8 | 725.6 | 737.9 | 960.1 | 718.2 | 717.2 | 741.8 | 687.8 | 683.5 | 695.4 | 703.6 | 703.5 | 618.2 | 588.7 | 532.3 | 489.3 | 524.0 | 529.7 | 458.1 | 418.8 | NA | NA | NA | NA |
| us-gaap:Land | ▅▅▆▅▅▄▆▆▇▆▇▆▇███▇▂▂▃▃▃▁▇▇▇▃▅▇▆▆▇▆▆▆▄▃▄▄▄▆ | 111.4 | 111.6 | 114.1 | 111.9 | 109.6 | 107.4 | 113.1 | 113.3 | 115.7 | 114.9 | 116.8 | 115.1 | 115.8 | 120.4 | 118.8 | 119.1 | 117.0 | 102.7 | 101.7 | 104.7 | 104.2 | 105.2 | 97.9 | 116.3 | 116.8 | 115.8 | 105.2 | 111.4 | 115.8 | 112.8 | 113.4 | 115.6 | 113.6 | 112.6 | 114.0 | 106.5 | 102.8 | 107.8 | 106.1 | 107.8 | 113.9 | NA | 106.0 | NA | NA | NA | NA |
| us-gaap:MachineryAndEquipmentGross | ███▇▇▇▇▇▇▆▆▆▆▆▅▅▅▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁ | 4407.1 | 4344.2 | 4339.2 | 4124.7 | 3980.5 | 3812.7 | 3844.1 | 3698.0 | 3693.3 | 3568.8 | 3463.3 | 3324.3 | 3243.0 | 3244.2 | 3077.4 | 2939.2 | 2752.7 | 2554.0 | 2459.6 | 2423.1 | 2350.8 | 2281.5 | 2125.8 | 2051.2 | 2009.4 | 1915.1 | 1847.0 | 1835.0 | 1796.4 | 1736.6 | 1645.0 | 1549.6 | 1445.4 | 1336.4 | 1306.6 | 1264.5 | 1158.1 | 1052.7 | 988.6 | 930.0 | 912.8 | NA | 761.8 | NA | NA | NA | NA |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:AssetsNoncurrent | █████▇██▇▇▆▆▆▇▆▆▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▁▁▁▁▁▁ | 6409.4 | 6381.7 | 6421.9 | 6296.2 | 6220.1 | 6113.8 | 6274.0 | 6135.3 | 6111.4 | 5764.4 | 5320.2 | 5441.7 | 5453.6 | 5581.5 | 5332.9 | 5149.0 | 4895.3 | 4371.6 | 4251.3 | 4223.6 | 4204.3 | 4183.8 | 4119.2 | 4006.9 | 4017.8 | 3976.0 | 3770.6 | 3358.2 | 3433.5 | 3437.2 | 3408.4 | 3460.6 | 3374.4 | 3287.9 | 3320.6 | 2618.3 | 2539.3 | 2291.0 | 2249.4 | 2224.2 | 2300.8 | 2312.4 | 2235.6 | NA | NA | NA | NA |
| us-gaap:PropertyPlantAndEquipmentGross | ███▇▇▇▇▇▇▇▇▆▆▆▆▆▅▅▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁ | 5685.5 | 5629.0 | 5645.1 | 5346.2 | 5227.6 | 5083.6 | 5170.9 | 4990.9 | 4978.6 | 4850.5 | 4778.7 | 4644.4 | 4553.3 | 4570.8 | 4349.5 | 4178.6 | 3940.0 | 3637.9 | 3505.8 | 3389.0 | 3278.7 | 3203.2 | 3059.0 | 2949.2 | 2888.0 | 2763.6 | 2662.6 | 2626.9 | 2619.3 | 2553.6 | 2445.6 | 2339.6 | 2215.0 | 2099.7 | 2035.3 | 1872.5 | 1735.4 | 1592.1 | 1504.1 | 1453.4 | 1445.3 | NA | 1234.1 | NA | NA | NA | NA |
| us-gaap:ConstructionInProgressGross | ▆▆▆▅▆▇▇▇▇▇▇██▇▇▇▇▆▆▄▄▅▅▅▄▄▄▃▄▄▄▄▄▄▃▁▁▁▁▁▁ | 315.8 | 306.7 | 311.1 | 271.5 | 318.2 | 362.2 | 382.4 | 367.8 | 347.3 | 349.3 | 389.3 | 426.2 | 411.1 | 384.6 | 355.6 | 348.1 | 348.1 | 299.8 | 296.4 | 212.7 | 210.7 | 222.1 | 274.9 | 219.9 | 202.2 | 186.2 | 186.9 | 141.9 | 160.1 | 162.7 | 155.2 | 161.0 | 156.5 | 154.4 | 139.6 | 31.3 | 24.5 | 15.8 | 3.3 | 15.8 | 15.2 | NA | 5.7 | NA | NA | NA | NA |
| us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | ███▇▇▇▇▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁ | 2990.5 | 2947.9 | 2908.9 | 2718.9 | 2609.3 | 2475.2 | 2466.7 | 2391.2 | 2358.0 | 2257.2 | 2180.6 | 2108.2 | 2036.8 | 2009.9 | 1890.1 | 1800.5 | 1673.3 | 1567.2 | 1486.5 | 1468.1 | 1388.4 | 1329.2 | 1232.5 | 1167.3 | 1115.5 | 1049.0 | 1037.9 | 1012.5 | 965.0 | 918.3 | 858.4 | 799.6 | 733.7 | 676.0 | 632.2 | 572.9 | 513.0 | 485.5 | 432.1 | 395.3 | 360.6 | NA | 239.4 | NA | NA | NA | NA |
| us-gaap:AmortizationOfIntangibleAssets | █▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▅▄▄▄▄▄▄▂▂▂▂▂▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▁ | 25.1 | 16.5 | 16.500000000000007 | 16.3 | 16.0 | 17.1 | 17.0 | 16.7 | 15.9 | 12.7 | 12.5 | 12.7 | 13.1 | 13.1 | 13.5 | 12.5 | 11.5 | 10.1 | 11.3 | 15.2 | 13.3 | 13.2 | 13.0 | 13.0 | 13.2 | 13.3 | 8.3 | 8.6 | 8.3 | 8.5 | 8.6 | 8.6 | 8.6 | 8.6 | 10.5 | 8.3 | 7.3 | 6.9 | 6.9 | 7.1 | 7.2 | 6.8 | 6.9 | 7.0 | 6.6 | 6.7 | 4.5 |
| us-gaap:PropertyPlantAndEquipmentNet | █████▇█▇█▇▇▇▇▇▇▇▆▅▅▅▅▅▄▄▄▄▄▃▄▄▃▃▃▃▃▂▂▁▁▁▁▁▁ | 2695.0 | 2681.1 | 2736.2 | 2627.3 | 2618.3 | 2608.4 | 2704.2 | 2599.7 | 2620.6 | 2593.3 | 2598.1 | 2536.2 | 2516.5 | 2560.9 | 2459.4 | 2378.1 | 2266.7 | 2070.7 | 2019.3 | 1920.9 | 1890.3 | 1874.0 | 1826.5 | 1781.9 | 1772.5 | 1714.6 | 1624.7 | 1614.4 | 1654.3 | 1635.3 | 1587.2 | 1540.0 | 1481.3 | 1423.7 | 1403.1 | 1299.6 | 1222.4 | 1106.6 | 1072.0 | 1058.1 | 1084.7 | 1044.8 | 994.7 | NA | NA | NA | NA |
| us-gaap:Goodwill | █████▇███▆▆▆▆▇▆▆▅▄▄▄▄▄▄▄▄▄▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁ | 1667.4 | 1657.7 | 1655.8 | 1629.0 | 1606.1 | 1592.2 | 1614.3 | 1600.4 | 1600.2 | 1406.3 | 1405.3 | 1409.4 | 1421.4 | 1464.7 | 1401.3 | 1387.1 | 1272.1 | 1129.4 | 1121.3 | 1069.4 | 1071.1 | 1065.3 | 1053.8 | 1061.1 | 1054.8 | 1057.9 | 726.2 | 740.2 | 754.7 | 755.6 | 757.2 | 753.1 | 745.1 | 741.5 | 746.5 | 728.6 | 722.6 | 634.9 | 628.6 | 632.0 | 651.6 | 642.0 | 614.6 | NA | NA | NA | 621.4 |
| us-gaap:IntangibleAssetsNetExcludingGoodwill | NA | NA | 368.2 | NA | NA | NA | 423.7 | NA | NA | NA | 396.5 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:FiniteLivedIntangibleAssetsNet | NA | NA | 357.4 | NA | NA | NA | 412.9 | NA | NA | NA | 385.7 | NA | NA | NA | 444.1 | NA | NA | NA | 287.1 | NA | NA | NA | 256.2 | NA | NA | NA | 92.5 | NA | NA | NA | 129.7 | NA | NA | NA | 164.3 | NA | NA | NA | 142.3 | NA | NA | NA | 165.4 | NA | NA | NA | NA | |
| us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CustomerRelationships | NA | NA | 296.0 | NA | NA | NA | 328.9 | NA | NA | NA | 377.1 | NA | NA | NA | 430.7 | NA | NA | NA | 269.9 | NA | NA | NA | 233.6 | NA | NA | NA | 77.4 | NA | NA | NA | 110.0 | NA | NA | NA | 141.1 | NA | NA | NA | 127.8 | NA | NA | NA | 148.4 | NA | NA | NA | NA | |
| us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:LicensingAgreements | NA | NA | 47.5 | NA | NA | NA | 64.8 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:PatentedTechnology | NA | NA | 13.9 | NA | NA | NA | 19.1 | NA | NA | NA | 8.3 | NA | NA | NA | 12.9 | NA | NA | NA | 8.2 | NA | NA | NA | 11.7 | NA | NA | NA | 15.1 | NA | NA | NA | 19.7 | NA | NA | NA | 23.2 | NA | NA | NA | 14.5 | NA | NA | NA | 17.0 | NA | NA | NA | NA | |
| us-gaap:DeferredTaxAssetsLiabilitiesNet | NA | NA | 585.4 | NA | NA | NA | 477.2 | NA | NA | NA | 445.5 | NA | NA | NA | 555.4 | NA | NA | NA | 459.4 | NA | NA | NA | 600.4 | NA | NA | NA | 750.4 | NA | NA | NA | 639.1 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:OperatingLeaseRightOfUseAsset | ██▇▇▆▅▆▅▁▁ | 562.1 | 563.3 | 540.3 | 539.4 | 537.2 | 512.1 | 527.0 | 514.0 | 447.6 | 443.5 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:OtherAssetsNoncurrent | █████▇█▇▇▇▅▅▆▆▅▅▅▄▄▄▄▄▄▄▄▄▅▃▃▃▃▄▄▄▄▁▁▁▁▁▁▁▁ | 2047.0 | 2042.9 | 2029.9 | 2039.9 | 1995.7 | 1913.2 | 1955.5 | 1935.2 | 1890.6 | 1764.8 | 1316.8 | 1496.1 | 1515.7 | 1555.9 | 1472.2 | 1383.8 | 1356.5 | 1171.5 | 1110.7 | 1233.3 | 1242.9 | 1244.5 | 1238.9 | 1163.9 | 1190.5 | 1203.5 | 1419.7 | 1003.6 | 1024.5 | 1046.3 | 1064.0 | 1167.5 | 1148.0 | 1122.7 | 1171.0 | 590.1 | 594.3 | 549.5 | 548.8 | 534.1 | 564.5 | 625.6 | 626.3 | NA | NA | NA | NA |
| us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel1,us-gaap:FairValueMeasurementsRecurring | ▇▆█▅▃▁█▇▆▅▃▅▄ | 56.4 | 52.7 | 58.7 | 50.8 | 47.3 | 40.9 | 59.2 | 55.6 | 53.9 | 51.1 | 47.3 | 51.0 | 47.5 | NA | 43.8 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueMeasurementsRecurring | ▇▆█▅▃▁█▇▆▅▃▅▄ | 56.4 | 52.7 | 58.7 | 50.8 | 47.3 | 40.9 | 59.2 | 55.6 | 53.9 | 51.1 | 47.3 | 51.0 | 47.5 | NA | 43.8 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:AccountsPayableCurrent | ▅▇▇▆▁▄▅▆▆▆▅▆▇█▇▇▇▆▄▅▅▅▄▄▅▅▄▄▅▅▄▄▄▄▃▃▃▃▂▃▃▃▁ | 2886.5 | 3132.7 | 3141.6 | 2943.4 | 1902.6 | 2496.5 | 2821.7 | 2986.8 | 3060.8 | 3094.4 | 2862.8 | 3041.8 | 3268.8 | 3483.0 | 3167.2 | 3176.0 | 3202.9 | 3043.0 | 2640.5 | 2773.2 | 2767.1 | 2790.0 | 2504.4 | 2576.4 | 2752.0 | 2761.3 | 2525.3 | 2614.6 | 2821.1 | 2882.0 | 2438.7 | 2554.9 | 2495.1 | 2491.1 | 2233.0 | 2264.6 | 2352.1 | 2355.2 | 2014.3 | 2199.8 | 2311.0 | 2246.7 | 1838.4 | NA | NA | NA | NA |
| us-gaap:AccruedLiabilitiesCurrent | ▅▇▄█▂▁▁ | 1984.1 | 2031.1 | 1920.9 | 2087.8 | 1859.9 | 1826.7 | 1811.2 | NA | NA | NA | 1615.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 1107.2 | 976.0 | NA | NA | NA | NA |
| us-gaap:LiabilitiesCurrent | ▇█▇▇▆█▆▇▇▇▆▆▇█▇▇▇▆▅▆▅▅▄▄▅▄▄▄▅▅▃▄▃▃▂▂▃▃▂▂▃▂▁ | 4875.4 | 5173.3 | 5076.7 | 5054.5 | 4786.8 | 5348.5 | 4666.2 | 4907.8 | 5027.0 | 4914.4 | 4500.6 | 4779.9 | 5050.1 | 5296.4 | 4854.3 | 4893.0 | 4942.3 | 4630.7 | 4182.3 | 4483.3 | 4431.3 | 4269.5 | 3839.6 | 4056.2 | 4174.9 | 4059.9 | 3957.8 | 3950.9 | 4144.4 | 4169.4 | 3579.1 | 3749.6 | 3592.9 | 3564.0 | 3216.9 | 3297.7 | 3378.1 | 3437.0 | 3063.5 | 3242.6 | 3386.5 | 3357.5 | 2818.5 | NA | NA | NA | NA |
| us-gaap:LongTermDebtCurrent | NA | NA | NA | 18.9 | 17.2 | 15.7 | 14.1 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 243.7 | NA | NA | NA | 0.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:OperatingLeaseLiabilityCurrent | ██▃▁▂▁▂ | 125.2 | 124.7 | 116.3 | 113.2 | 113.9 | 112.7 | 113.9 | NA | NA | NA | 0.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:OtherAccruedLiabilitiesCurrent | NA | NA | 1080.2 | NA | NA | NA | 963.8 | NA | NA | NA | 905.8 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:TaxesPayableCurrent | NA | NA | 287.7 | NA | NA | NA | 256.6 | NA | NA | NA | 279.3 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:LiabilitiesNoncurrent | ███████▇▇▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄▂▂▂▂▃▃▃▁▁▂▂▁▁▁▁▁ | 3496.2 | 3500.5 | 3507.0 | 3444.8 | 3384.7 | 3377.0 | 3395.0 | 3323.9 | 3266.2 | 2897.3 | 2581.4 | 2632.2 | 2637.4 | 2659.9 | 2645.6 | 2644.0 | 2538.7 | 2506.3 | 2525.4 | 2551.1 | 2553.1 | 2545.6 | 2548.5 | 2657.7 | 2672.2 | 2666.7 | 2163.1 | 1584.5 | 1596.2 | 1586.3 | 1602.3 | 1794.6 | 1783.6 | 1774.4 | 1365.0 | 1362.4 | 1425.0 | 1393.6 | 1386.3 | 1230.1 | 1250.6 | 1241.8 | 1233.8 | NA | NA | NA | NA |
| us-gaap:LongTermDebt | NA | NA | NA | 2318.7 | 2319.9 | 2322.5 | 2334.4 | NA | NA | NA | 1967.2 | NA | NA | NA | 1973.4 | NA | 1928.1 | 1937.5 | 1943.7 | 1950.0 | 1956.2 | 1962.5 | 1965.6 | NA | NA | NA | 1475.0 | NA | NA | NA | 1057.1 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:LongTermDebt us-gaap:CreditFacility,us-gaap:DebtInstrument,us-gaap:LongtermDebtType lea:TermLoanFacility,lea:CreditAgreementTermLoanFacility,lea:CreditAgreement | NA | NA | NA | 224.3 | NA | NA | 233.4 | NA | NA | NA | NA | NA | NA | 245.1 | 246.6 | 248.1 | NA | NA | 467.1 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:LongTermDebt us-gaap:CreditFacility,us-gaap:DebtInstrument,us-gaap:LongtermDebtType lear:TermLoanFacility,lear:CreditAgreementTermLoanFacility,lear:CreditAgreement | ▁▄█ | 210.5 | 215.1 | 219.7 | NA | 227.3 | 230.3 | 233.4 | 237.9 | 237.8 | 239.3 | 240.7 | 242.2 | 243.7 | NA | 246.6 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType lea:SeniorNotesDueTwoThousandFortyNineIssuedTwoThousandTwenty,us-gaap:SeniorNotes | NA | NA | NA | 633.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType lea:SeniorNotesDueTwoThousandThirty,us-gaap:SeniorNotes | NA | NA | NA | 346.6 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType lea:SeniorNotesDueTwoThousandTwentyNine,us-gaap:SeniorNotes | NA | NA | NA | 371.3 | NA | NA | 371.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType lea:SeniorNotesDueTwoThousandTwentySeven,us-gaap:SeniorNotes | NA | NA | NA | 742.1 | NA | NA | 741.2 | NA | NA | NA | NA | NA | NA | 739.2 | 739.0 | 738.8 | NA | NA | 0.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType lear:SeniorNotesDueTwoThousandFortyNine,us-gaap:SeniorNotes | ▁▄█ | 632.7 | 632.8 | 632.9 | NA | NA | NA | 316.4 | 316.2 | 316.3 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType lear:SeniorNotesDueTwoThousandFortyNineIssuedTwoThousandTwenty,us-gaap:SeniorNotes | NA | NA | 632.9 | NA | 633.0 | 633.1 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType lear:SeniorNotesDueTwoThousandThirty,us-gaap:SeniorNotes | █▅▁ | 346.9 | 346.8 | 346.7 | NA | 346.5 | 346.4 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType lear:SeniorNotesDueTwoThousandTwentyNine,us-gaap:SeniorNotes | █▄▁ | 371.6 | 371.5 | 371.4 | NA | 371.3 | 371.1 | 371.0 | 370.9 | 370.8 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType lear:SeniorNotesDueTwoThousandTwentySeven,us-gaap:SeniorNotes | █▅▁ | 743.0 | 742.7 | 742.4 | NA | 741.8 | 741.6 | 741.2 | 741.0 | 740.7 | 740.4 | 740.1 | 739.9 | 739.5 | NA | 739.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LongTermDebtNoncurrent | NA | NA | NA | 2299.8 | 2302.7 | 2306.8 | 2293.7 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:DebtAndCapitalLeaseObligations | ▁▅█ | 2306.1 | 2310.3 | 2314.5 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 1979.5 | 1982.8 | 1983.0 | 1718.7 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LongTermDebtAndCapitalLeaseObligations | █████████▅▅▅▅▅▅▅▄▄▅▅▅▅▅▅▅▅▁ | 2301.3 | 2300.8 | 2300.3 | 2299.8 | 2302.7 | 2306.8 | 2293.7 | 2297.6 | 2300.1 | 1938.6 | 1941.0 | 1946.6 | 1948.2 | 1950.0 | 1951.5 | 1953.0 | 1877.1 | 1889.0 | 1898.0 | 1907.3 | 1916.4 | 1928.5 | 1931.7 | 1962.6 | 1969.1 | 1972.4 | 1475.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 695.0 | 694.9 | NA | NA | NA | NA |
| us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation,us-gaap:RetirementPlanType country:US,us-gaap:OtherPostretirementBenefitPlansDefinedBenefit | NA | NA | 57.2 | NA | NA | NA | 51.5 | NA | NA | NA | 48.5 | NA | NA | NA | 52.4 | NA | NA | NA | 60.5 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation,us-gaap:RetirementPlanType country:US,us-gaap:PensionPlansDefinedBenefit | NA | NA | 143.7 | NA | NA | NA | 121.7 | NA | NA | NA | 105.1 | NA | NA | NA | 117.8 | NA | NA | NA | 133.4 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation,us-gaap:RetirementPlanType us-gaap:ForeignPlan,us-gaap:OtherPostretirementBenefitPlansDefinedBenefit | NA | NA | 25.9 | NA | NA | NA | 24.2 | NA | NA | NA | 32.8 | NA | NA | NA | 39.7 | NA | NA | NA | 37.3 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation,us-gaap:RetirementPlanType us-gaap:ForeignPlan,us-gaap:PensionPlansDefinedBenefit | NA | NA | 152.1 | NA | NA | NA | 128.0 | NA | NA | NA | 111.4 | NA | NA | NA | 119.4 | NA | NA | NA | 113.0 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:MinorityInterest | ▄█▆▆▄▇▇█▇▆▇▆▅▇▆▇▅▅▆█▆▄▂▂▂▂▁▁▁▃▃▃▅▅▅▅▅▅▅▄▄▄▄ | 109.2 | 168.6 | 147.6 | 143.3 | 115.5 | 159.8 | 151.4 | 171.3 | 163.1 | 148.4 | 159.9 | 142.8 | 127.5 | 155.2 | 142.1 | 156.2 | 134.3 | 132.5 | 135.7 | 164.5 | 143.3 | 106.8 | 90.3 | 84.5 | 78.9 | 79.7 | 70.5 | 73.9 | 75.4 | 100.2 | 103.6 | 106.5 | 121.0 | 125.2 | 125.1 | 134.8 | 135.0 | 128.3 | 124.7 | 116.7 | 109.2 | 108.4 | 108.6 | NA | NA | NA | NA |
| us-gaap:OtherLiabilitiesNoncurrent | ███▇▇▇▇▆▆▅▂▃▃▃▃▃▂▂▂▂▂▂▂▃▃▃▃▁▁▁▁▃▃▃▃▃▃▃▃▁▁▁▁ | 1194.9 | 1199.7 | 1206.7 | 1145.0 | 1082.0 | 1070.2 | 1101.3 | 1026.3 | 966.1 | 958.7 | 640.4 | 685.6 | 689.2 | 709.9 | 694.1 | 691.0 | 661.6 | 617.3 | 627.4 | 643.8 | 636.7 | 617.1 | 616.8 | 695.1 | 703.1 | 694.3 | 688.1 | 515.8 | 527.6 | 517.7 | 545.2 | 737.6 | 726.7 | 717.6 | 738.7 | 736.2 | 729.4 | 698.1 | 690.9 | 534.9 | 555.5 | 546.8 | 538.9 | NA | NA | NA | NA |
| us-gaap:OperatingLeaseLiabilityNoncurrent | ██▆▆▅▁▄ | 451.1 | 452.7 | 438.9 | 439.0 | 434.0 | 405.1 | 422.4 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo | ▃▁█▅ | 100.1 | 94.0 | 111.5 | 103.7 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree | ▆▁█▄ | 83.2 | 78.3 | 85.9 | 81.6 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour | ▅▁█▃ | 68.6 | 65.1 | 71.5 | 67.3 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive | NA | NA | 58.7 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive | NA | NA | 169.7 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:StockholdersEquity | █▇▇▆▅▆▇▆▆▆▆▇▇▇▆▅▅▄▃▃▃▃▂▂▂▂▃▃▃▃▃▂▂▄▄▂▁▁▁▂▂▂▁ | 4782.9 | 4580.1 | 4467.3 | 4132.8 | 3867.7 | 4023.5 | 4349.7 | 4203.8 | 4236.4 | 4245.3 | 4200.7 | 4292.9 | 4299.9 | 4399.4 | 4150.5 | 3871.1 | 3621.9 | 3331.0 | 3057.2 | 3078.5 | 3012.8 | 3037.6 | 2927.4 | 2840.3 | 2899.4 | 2812.1 | 2958.8 | 3081.9 | 3145.8 | 3142.3 | 3045.9 | 2813.5 | 2669.3 | 3360.6 | 3487.1 | 2667.4 | 2565.5 | 2577.1 | 2436.4 | 2626.5 | 2792.7 | 2655.3 | 2460.2 | NA | NA | NA | NA |
| us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | ██▇▆▆▆▇▇▇▇▇▇▇▇▆▆▅▄▄▄▄▃▃▃▃▃▃▄▄▄▃▃▃▄▅▃▂▂▂▂▃▃▂▂▁▁▁ | 4892.1 | 4748.7 | 4614.9 | 4276.1 | 3983.2 | 4183.3 | 4501.1 | 4375.1 | 4399.5 | 4393.7 | 4360.6 | 4435.7 | 4427.4 | 4554.6 | 4292.6 | 4027.3 | 3756.2 | 3463.5 | 3192.9 | 3243.0 | 3156.1 | 3144.4 | 3017.7 | 2924.8 | 2978.3 | 2891.8 | 3029.3 | 3155.8 | 3221.2 | 3242.5 | 3149.5 | 2920.0 | 2790.3 | 3485.8 | 3612.2 | 2802.2 | 2700.5 | 2705.4 | 2561.1 | 2743.2 | 2901.9 | 2763.7 | 2568.8 | 2538.0 | 2322.5 | 2241.3 | 2181.8 |
| us-gaap:CommonStockValue | ▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▄▄▄▄▄▄▄▄▄▄▅▅▅▅████████████ | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.9 | 0.9 | 0.9 | 0.9 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | NA | NA | NA | NA |
| us-gaap:AdditionalPaidInCapital | ▁▁▁▁▁▁▁▁▁▁▁▂▂▂▃▂▂▃▄▃▃▃▄▄▄▄▄▅▅▅▅▇▇██████████ | 973.6 | 964.3 | 963.6 | 957.5 | 955.6 | 946.0 | 969.1 | 963.1 | 965.3 | 961.5 | 1017.4 | 1176.0 | 1166.8 | 1156.4 | 1215.4 | 1199.3 | 1186.9 | 1324.7 | 1385.3 | 1377.8 | 1364.3 | 1346.9 | 1451.9 | 1433.0 | 1421.6 | 1404.1 | 1475.2 | 1613.2 | 1600.1 | 1634.4 | 1652.9 | 2023.5 | 2010.2 | 2155.9 | 2155.7 | 2167.5 | 2167.9 | 2158.0 | 2150.6 | 2145.0 | 2133.8 | 2125.1 | 2116.0 | NA | NA | NA | NA |
| us-gaap:RetainedEarningsAccumulatedDeficit | ██▇▇▇▇▇▇▇▇▆█▇▇▇▆▆▆▆▆▅▅▅▄▄▄▄▄▄▃▃▄▄▄▄▂▂▂▂▂▁▁▁ | 5155.1 | 4995.2 | 4806.8 | 4620.7 | 4447.1 | 4741.8 | 4715.8 | 4608.4 | 4435.3 | 4300.3 | 4113.6 | 4953.8 | 4750.0 | 4474.8 | 4171.9 | 3810.3 | 3572.6 | 4031.4 | 3706.9 | 3503.3 | 3310.8 | 3050.9 | 2827.8 | 2612.0 | 2450.5 | 2288.7 | 2161.7 | 2280.2 | 2156.9 | 2025.1 | 1920.3 | 2462.8 | 2364.2 | 2241.0 | 2149.0 | 1280.9 | 1173.4 | 1042.1 | 922.3 | 828.7 | 741.2 | 577.1 | 434.5 | NA | NA | NA | NA |
| us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax | ▃▃▃▂▂▁▃▂▃▃▃▄▄▅▄▄▄▃▂▃▃▄▃▃▄▄▅▆▇▇▇▆▆▆▆▆▆▆▆▇██▇ | -727.8 | -790.4 | -705.1 | -839.7 | -923.0 | -1049.3 | -772.7 | -829.3 | -698.2 | -711.5 | -705.8 | -655.9 | -627.7 | -380.8 | -513.4 | -536.8 | -611.3 | -733.1 | -835.6 | -703.5 | -713.8 | -660.6 | -730.1 | -686.4 | -600.2 | -629.8 | -502.0 | -267.5 | -169.1 | -175.1 | -166.1 | -320.9 | -352.5 | -323.4 | -300.8 | -298.3 | -343.3 | -265.1 | -332.0 | -137.5 | 32.3 | -6.2 | -78.0 | NA | NA | NA | NA |
| us-gaap:TreasuryStockValue | ▄▄▄▄▄▄▄▄▃▃▂▇▆▅▅▄▄█▇▇▆▅▄▄▃▂▂▄▃▃▃██▅▄▃▃▃▃▂▂▁▁ | 618.6 | 589.6 | 598.6 | 606.3 | 612.6 | 615.6 | 563.1 | 539.0 | 466.6 | 305.6 | 225.1 | 1181.7 | 989.9 | 851.7 | 724.1 | 602.4 | 527.0 | 1292.8 | 1200.2 | 1099.9 | 949.3 | 700.4 | 623.0 | 519.1 | 373.3 | 251.7 | 176.9 | 544.9 | 443.0 | 343.0 | 362.1 | 1353.0 | 1353.7 | 714.0 | 517.9 | 483.8 | 433.6 | 359.0 | 305.6 | 210.8 | 115.7 | 41.8 | 13.4 | NA | NA | NA | NA |
| us-gaap:MinorityInterest | ▄█▆▆▄▇▇█▇▆▇▆▅▇▆▇▅▅▆█▆▄▂▂▂▂▁▁▁▃▃▃▅▅▅▅▅▅▅▄▄▄▄ | 109.2 | 168.6 | 147.6 | 143.3 | 115.5 | 159.8 | 151.4 | 171.3 | 163.1 | 148.4 | 159.9 | 142.8 | 127.5 | 155.2 | 142.1 | 156.2 | 134.3 | 132.5 | 135.7 | 164.5 | 143.3 | 106.8 | 90.3 | 84.5 | 78.9 | 79.7 | 70.5 | 73.9 | 75.4 | 100.2 | 103.6 | 106.5 | 121.0 | 125.2 | 125.1 | 134.8 | 135.0 | 128.3 | 124.7 | 116.7 | 109.2 | 108.4 | 108.6 | NA | NA | NA | NA |
| us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | ▄▅▅▄▄▄▄▄▄▄▇▄▄▁█▅▅▂█▅▅▁▅▄▅▁▅▅▅▃▅▅▅▄▄▄▄▄▃▄▄▄ | 12.2 | 17.7 | 14.5 | 9.1 | 12.5 | 3.9 | 7.3 | 1.7 | 4.8 | 9.5 | 47.7 | 12.4 | 12.5 | -31.2 | 61.8 | 14.9 | 19.3 | -25.8 | 61.5 | 15.6 | 18.7 | -27.7 | 16.9 | 13.8 | 18.3 | -33.5 | 17.1 | 14.6 | 16.3 | 0.3 | 19.3 | 14.2 | 14.4 | 7.4 | 4.0 | 8.8 | 5.2 | 8.8 | -4.3 | 10.3 | 7.5 | 8.1 | NA | 4.0 | 4.3 | NA | NA |
| us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders | NA | NA | 21.4 | 0.2 | 69.0 | 0.0 | 42.7 | 2.4 | -0.1 | 31.3 | 10.3 | 0.1 | 39.9 | 19.7 | 33.9 | 0.7 | 15.5 | 17.0 | 28.0 | 0.4 | 12.8 | NA | 13.1 | 4.3 | 11.8 | 0.1 | 8.4 | 10.7 | 1.0 | 5.8 | 10.6 | 18.6 | 9.5 | 3.9 | 18.8 | 0.0 | 1.1 | 3.2 | 0.0 | 0.3 | 8.2 | 10.0 | NA | 9.3 | 4.6 | NA | NA | |
| us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest | NA | NA | 21.4 | 0.2 | 69.0 | 0.0 | 42.7 | 2.4 | -0.1 | 31.3 | 10.3 | 0.1 | 39.9 | 19.7 | 33.9 | 0.7 | 15.5 | 17.0 | 28.0 | 0.4 | 12.8 | NA | 13.1 | 4.3 | 11.8 | 0.1 | 8.4 | 10.7 | 1.0 | 5.8 | 10.6 | 18.6 | 9.5 | 3.9 | 18.8 | 0.0 | 1.1 | 3.2 | 0.0 | 0.3 | 8.2 | 10.0 | NA | 9.3 | 4.6 | NA | NA |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:NetCashProvidedByUsedInOperatingActivities | ▅▅▆▇▁▅▇▆▆▄█▅▇▅▇▆▇▅▇▅▇▅▇▅▆▃▇▅ | 260.1 | 247.5 | 400.8 | 564.5 | -524.5 | 222.3 | 485.0 | 343.4 | 404.3 | 51.6 | 758.2 | 267.9 | 516.9 | 236.8 | 598.8 | 339.0 | 566.4 | 278.9 | 525.4 | 276.3 | 529.0 | 288.6 | 585.1 | 278.0 | 474.6 | -66.6 | 516.1 | 236.7 | NA | NA | 390.5 | 164.2 | 201.6 | 63.8 | 369.1 | 200.9 | 155.6 | 4.2 | 273.8 | 155.6 | 206.7 | 154.2 | 237.8 | 118.1 | 227.1 | 38.9 | 324.0 |
| us-gaap:NetCashProvidedByUsedInInvestingActivities | ▇▇▆▇▇▇▆▆▂▇▆▆▆▆▆▇▃▇▃▇█▇▆▇▇▁▂▇ | -140.3 | -142.9 | -171.7 | -121.1 | -85.9 | -90.1 | -183.1 | -159.2 | -463.5 | -116.6 | -182.3 | -153.9 | -169.2 | -188.1 | -168.5 | -133.8 | -437.6 | -128.7 | -388.6 | -117.3 | -41.3 | -89.9 | -161.7 | -133.7 | -105.7 | -564.2 | -490.8 | -85.8 | NA | NA | -122.5 | -102.7 | -138.4 | -40.3 | -151.8 | -114.2 | -357.5 | -64.4 | -78.4 | -89.3 | -58.4 | -77.1 | -78.9 | -39.4 | -43.1 | -30.7 | -39.5 |
| us-gaap:NetCashProvidedByUsedInFinancingActivities | ▄▅▄▁▅█▄▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▆▆▄ | -102.60000000000001 | -29.7 | -199.9 | -1013.1 | -49.3 | 850.6 | -125.4 | -131.2 | 129.4 | -234.7 | -277.3 | -246.1 | -234.5 | -272.6 | -196.2 | -128.9 | -191.6 | -225.3 | -173.5 | -215.5 | -252.4 | -231.5 | -135.4 | -179.5 | -155.9 | 314.5 | 210.8 | -131.1 | NA | NA | -25.0 | -34.2 | -828.5 | 189.2 | -90.8 | -152.9 | -79.7 | -72.7 | -107.8 | -111.5 | -99.8 | -53.2 | -12.3 | -36.8 | -29.1 | -242.5 | 30.2 |
| us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect | ▄▄▄▁▁█▅▄▄▃▅▃▄▃▅▄▄▄ | 26.2 | 64.0 | 56.3 | -554.9 | -648.8 | 951.5 | 187.1 | 32.4 | 70.0 | -298.9 | 294.9 | -141.9 | 72.3 | -205.9 | 246.7 | 87.0 | -43.0 | -61.9 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:DepreciationDepletionAndAmortization | █▇█▇▇▇▇▇▇▆▆▆▆▆▆▆▅▅▄▅▄▄▄▄▄▄▃▄▃▃▃▃▃▃▃▂▂▂▂▃▃▂▂▂▂▂▁ | 150.2 | 140.8 | 142.8 | 136.3 | 130.3 | 130.5 | 129.5 | 128.5 | 128.3 | 123.6 | 122.6 | 119.8 | 121.8 | 120.2 | 114.5 | 111.7 | 104.6 | 96.9 | 94.8 | 98.7 | 94.5 | 90.2 | 90.4 | 88.0 | 84.9 | 84.5 | 78.3 | 79.9 | 78.2 | 74.5 | 77.2 | 72.9 | 69.0 | 66.4 | 65.9 | 63.3 | 56.6 | 53.7 | 57.0 | 63.5 | 64.3 | 61.5 | 61.6 | 58.7 | 57.1 | 58.5 | 39.8 |
| us-gaap:IncreaseDecreaseInAccountsPayable | ▃▄▄█▁▃▃▄▄▅▃▃▃▅▄▃▄▅▄▄▄▅▄▃▄▅▄▃▃▆▃▄▄▅▄▃▄▅▁▄▄▅▁▄▄▅▄ | -275.2 | 42.6 | 90.0 | 990.8 | -619.2 | -247.6 | -214.3 | 12.5 | -43.3 | 239.6 | -166.1 | -186.3 | -74.8 | 227.9 | -50.3 | -144.7 | 15.6 | 374.7 | -46.0 | 1.9 | -39.1 | 240.8 | -27.0 | -138.6 | -36.4 | 278.2 | -27.8 | -133.7 | -56.4 | 449.2 | -130.6 | 18.7 | 13.2 | 288.2 | -49.2 | -106.0 | 19.9 | 309.9 | -589.0 | -13.3 | 42.6 | 343.0 | -633.1 | -22.8 | 45.6 | 291.9 | -10.2 |
| us-gaap:IncreaseDecreaseInAccountsReceivable | ▂▅▃█▃▂▂▄▄▆▂▄▃▆▃▃▄▆▃▄▄▆▃▄▄▇▃▃▄▇▃▄▄▆▃▄▄▆▂▄█▂▁▄█▂▅ | -511.0 | 227.3 | -252.2 | 974.2 | -141.7 | -415.6 | -397.3 | -30.7 | -48.5 | 592.7 | -403.9 | -91.3 | -196.3 | 460.7 | -165.4 | -134.1 | -111.9 | 526.6 | -263.9 | 113.0 | -83.3 | 410.5 | -307.0 | -97.6 | -99.1 | 677.1 | -294.0 | -141.2 | 39.4 | 754.5 | -327.7 | 92.8 | 42.1 | 432.4 | -165.3 | -122.4 | -57.6 | 456.8 | -508.4 | -108.2 | 899.2 | -448.4 | -733.4 | -29.6 | 890.0 | -418.3 | 337.0 |
| us-gaap:IncreaseDecreaseInInventories | ▇▇▇▆▄█▅▇▆▆▄▆▆▆▅▇▆▆▅▆▆▆▄▆▆▆▅▆▆▆▅▆▆▇▅▆▆▇▁▇█▅▁▆█▅▆ | 112.2 | 87.4 | 94.1 | 2.1 | -102.3 | 113.8 | -54.4 | 81.2 | 34.3 | 8.0 | -85.0 | 48.3 | 34.2 | 35.0 | -38.7 | 72.7 | 6.6 | 35.4 | -33.8 | 47.5 | -2.0 | 41.8 | -80.3 | 51.0 | 15.7 | 9.5 | -20.7 | 49.2 | 10.1 | 52.6 | -19.8 | 42.6 | 2.9 | 76.3 | -39.6 | 6.9 | 24.6 | 68.1 | -263.6 | 78.3 | 142.1 | -57.8 | -237.1 | 52.5 | 137.8 | -60.0 | 27.2 |
| us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet | ▅▅▃▂█▄▃▄▃▇▂▆▄▇▃▅▂▆▃▅▃▅▂▄▂█▂▄▅▇▃▄▄▆▃▄▄▆▃▄▅▅▃▄▄▅▁ | 34.0 | 102.4 | -71.2 | -220.7 | 335.6 | 23.2 | -136.5 | -30.8 | -94.7 | 287.5 | -209.9 | 138.6 | -62.4 | 252.6 | -103.5 | 51.0 | -165.3 | 145.3 | -85.1 | 46.9 | -127.4 | 77.5 | -223.4 | 7.5 | -186.3 | 344.2 | -181.5 | -1.2 | 36.1 | 286.8 | -149.5 | -4.5 | 2.6 | 159.6 | -118.3 | -14.7 | 22.5 | 159.3 | -145.6 | 20.4 | 57.5 | 74.0 | -103.2 | 5.9 | -37.9 | 86.9 | -291.2 |
| us-gaap:NetCashProvidedByUsedInOperatingActivities | ▅▅▆▇▁▅▇▆▆▄█▅▇▅▇▆▇▅▇▅▇▅▇▅▆▃▇▅ | 260.1 | 247.5 | 400.8 | 564.5 | -524.5 | 222.3 | 485.0 | 343.4 | 404.3 | 51.6 | 758.2 | 267.9 | 516.9 | 236.8 | 598.8 | 339.0 | 566.4 | 278.9 | 525.4 | 276.3 | 529.0 | 288.6 | 585.1 | 278.0 | 474.6 | -66.6 | 516.1 | 236.7 | NA | NA | 390.5 | 164.2 | 201.6 | 63.8 | 369.1 | 200.9 | 155.6 | 4.2 | 273.8 | 155.6 | 206.7 | 154.2 | 237.8 | 118.1 | 227.1 | 38.9 | 324.0 |
| us-gaap:NetIncomeLoss | ▄▄▄▄▁▃▃▄▄▄▄▄▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▃▃▃▄▃█▃▄▄▃▃▄▄▃▃▄▃▃ | 175.2 | 203.7 | 201.6 | 174.4 | -293.9 | 76.4 | 126.0 | 215.9 | 182.8 | 228.9 | 212.2 | 252.5 | 331.4 | 353.7 | 400.5 | 295.2 | 311.9 | 305.8 | 229.9 | 214.4 | 282.4 | 248.4 | 235.3 | 181.0 | 181.9 | 147.3 | 261.8 | 140.1 | 148.5 | 122.0 | 72.8 | 112.8 | 137.3 | 108.5 | 881.9 | 121.4 | 145.4 | 134.1 | 106.5 | 100.7 | 177.5 | 156.0 | 117.1 | 95.3 | 159.8 | 66.1 | -3.8 |
| us-gaap:ProfitLoss | ▄▄▄▄▁▃▃▄▄▄▄▄▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃█▃▄▃▃▃▄▄▃▃▄▃▃ | 194.9 | 225.8 | 222.7 | 197.1 | -269.5 | 83.6 | 144.0 | 238.6 | 202.0 | 246.1 | 242.8 | 274.7 | 355.0 | 374.2 | 420.4 | 315.0 | 327.0 | 318.5 | 248.5 | 235.0 | 294.5 | 262.5 | 252.9 | 193.3 | 192.9 | 156.7 | 268.0 | 147.9 | 157.8 | 128.6 | 79.9 | 116.7 | 142.3 | 116.9 | 890.1 | 128.1 | 154.6 | 144.4 | 113.9 | 108.1 | 185.7 | 162.7 | 123.8 | 98.5 | 165.3 | 73.8 | -7.7 |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:NetCashProvidedByUsedInInvestingActivities | ▇▇▆▇▇▇▆▆▂▇▆▆▆▆▆▇▃▇▃▇█▇▆▇▇▁▂▇ | -140.3 | -142.9 | -171.7 | -121.1 | -85.9 | -90.1 | -183.1 | -159.2 | -463.5 | -116.6 | -182.3 | -153.9 | -169.2 | -188.1 | -168.5 | -133.8 | -437.6 | -128.7 | -388.6 | -117.3 | -41.3 | -89.9 | -161.7 | -133.7 | -105.7 | -564.2 | -490.8 | -85.8 | NA | NA | -122.5 | -102.7 | -138.4 | -40.3 | -151.8 | -114.2 | -357.5 | -64.4 | -78.4 | -89.3 | -58.4 | -77.1 | -78.9 | -39.4 | -43.1 | -30.7 | -39.5 |
| us-gaap:PaymentsToAcquirePropertyPlantAndEquipment | ▅▄▆▃▃▄▇▅▅▄▆▆▆▆▆▅▅▄█▄▃▃▅▄▄▃▅▃▃▃▄▃▄▃▅▄▄▂▃▃▃▂▃▁▁▁▁ | 140.0 | 112.9 | 167.0 | 90.1 | 86.1 | 109.1 | 193.8 | 150.8 | 136.5 | 122.8 | 184.3 | 160.5 | 169.4 | 162.8 | 164.3 | 156.2 | 153.2 | 120.8 | 228.0 | 118.6 | 93.6 | 88.1 | 158.1 | 114.8 | 114.1 | 98.8 | 143.9 | 91.7 | 92.6 | 96.4 | 131.4 | 102.8 | 127.7 | 98.7 | 157.8 | 120.1 | 110.1 | 70.3 | 81.8 | 91.5 | 85.7 | 70.5 | 78.0 | 38.9 | 41.6 | 34.8 | 41.3 |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| us-gaap:NetCashProvidedByUsedInFinancingActivities | ▄▅▄▁▅█▄▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▆▆▄ | -102.60000000000001 | -29.7 | -199.9 | -1013.1 | -49.3 | 850.6 | -125.4 | -131.2 | 129.4 | -234.7 | -277.3 | -246.1 | -234.5 | -272.6 | -196.2 | -128.9 | -191.6 | -225.3 | -173.5 | -215.5 | -252.4 | -231.5 | -135.4 | -179.5 | -155.9 | 314.5 | 210.8 | -131.1 | NA | NA | -25.0 | -34.2 | -828.5 | 189.2 | -90.8 | -152.9 | -79.7 | -72.7 | -107.8 | -111.5 | -99.8 | -53.2 | -12.3 | -36.8 | -29.1 | -242.5 | 30.2 |
| us-gaap:PaymentsOfDividendsCommonStock | ▃▃▃▂▁█▇▇▇█▇▇▇█▆▆▆▆▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃ | 15.1 | 15.7 | 15.3 | 4.1 | 0.1 | 47.8 | 45.2 | 45.5 | 46.1 | 49.5 | 44.2 | 45.4 | 46.0 | 50.7 | 33.3 | 33.7 | 34.0 | 36.7 | 20.7 | 21.1 | 21.7 | 25.3 | 18.5 | 18.9 | 19.1 | 22.0 | 15.7 | 16.0 | 16.1 | 17.5 | 13.6 | 15.2 | 13.4 | 16.2 | 13.7 | 13.3 | 13.8 | 13.8 | 12.8 | 12.6 | 12.9 | 12.8 | NA | NA | NA | NA | NA |
| us-gaap:PaymentsForRepurchaseOfCommonStock | NA | NA | 0.0 | 0.0 | 0.0 | 70.0 | 25.0 | 83.2 | 154.3 | 122.2 | 216.8 | 203.4 | 139.3 | 145.4 | 118.3 | 92.5 | 124.1 | 115.6 | 101.1 | 190.6 | 212.4 | 154.7 | 100.0 | 200.0 | 100.0 | 112.4 | 100.0 | 100.0 | 156.0 | 0.0 | 0.0 | 0.0 | 800.0 | 200.1 | 50.2 | 50.1 | 70.0 | 52.5 | 84.9 | 94.2 | 72.6 | 27.4 | NA | NA | NA | NA | NA |
| 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
|---|
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 700000.0 | 700000.0 | 700000.0 | 700000.0 | 700000.0 | 700000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 900000.0 | 900000.0 | 900000.0 | 900000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 |
| Percentage of CommonStockValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 72 | 72 | 72 | 72 | 72 | 72 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 88 | 88 | 88 | 88 | 108 | 107 | 107 | 107 | 108 | 107 | 107 | 107 | 106 | 106 | 105 | 105 |
| Percentage of CommonStockSharesIssued | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-10-02 | 2010-07-03 | 2009-12-31 |
| Value | 60 | 60 | 60 | 60 | 60 | 61 | 62 | 63 | 65 | 66 | 67 | 68 | 69 | 70 | 72 | 73 | 75 | 77 | 78 | 79 | 81 | 81 | 82 | 81 | 85 | 95 | 98 | 100 | 101 | 105 | 107 | 108 | 108 | 108 | 69 |
| Percentage of WeightedAverageNumberOfDilutedSharesOutstanding | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-10-02 | 2010-07-03 | 2009-12-31 |
| Value | 60 | 60 | 60 | 60 | 60 | 61 | 62 | 62 | 65 | 66 | 67 | 68 | 68 | 69 | 71 | 73 | 74 | 76 | 77 | 78 | 79 | 80 | 81 | 80 | 84 | 94 | 97 | 99 | 100 | 103 | 104 | 105 | 99 | 92 | 69 |
| Percentage of WeightedAverageNumberOfSharesOutstandingBasic | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 2.91 | 3.38 | 3.35 | 2.9 | -4.89 | 1.26 | 2.51 | 3.59 | 2.92 | 3.75 | 3.42 | 3.83 | 4.86 | 5.19 | 5.89 | 4.0 | 4.53 | 4.39 | 3.28 | 3.01 | 3.85 | 3.33 | 3.13 | 2.37 | 2.35 | 1.88 | 3.32 | 1.75 | 1.84 | 1.5 | 0.9 | 1.4 | 1.62 | 1.14 | 9.12 | 1.25 | 1.47 | 1.34 | 1.05 | 0.97 | 1.7 | 1.48 | 1.12 | 0.92 | 1.58 | 0.68 | -0.06 |
| Percentage of EarningsPerShareBasic | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 2.89 | 3.36 | 3.33 | 2.89 | -4.89 | 1.26 | 2.5 | 3.58 | 2.92 | 3.73 | 3.39 | 3.8 | 4.83 | 5.16 | 5.8 | 3.96 | 4.49 | 4.35 | 3.24 | 2.98 | 3.82 | 3.29 | 3.07 | 2.34 | 2.33 | 1.86 | 3.24 | 1.72 | 1.81 | 1.47 | 0.88 | 1.38 | 1.6 | 1.13 | 9.0 | 1.23 | 1.45 | 1.32 | 1.03 | 0.95 | 1.65 | 1.44 | 1.08 | 0.88 | 1.48 | 0.61 | -0.06 |
| Percentage of EarningsPerShareDiluted | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 |
| Value | 237 | 118 | 336 | 257 | -167.6 | -200.2 | 182 | 84 | 196 | 223 | 162 | 224 | 84 | 486 | 423 | 369 | 433 | 408 | 97 | 224 | 229 | 317 | 191 | 94 | 211 | 19 | 27 | 41 | 154 | 113 | 227 | 144 | 108 | 85 | 879 | 166 | 67 | 201 | -88.0 | -69.1 | 215 | 227 |
| Percentage of ComprehensiveIncomeNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 5.0 | 2.2 | 6.4 | 5.3 | -6.9 | -4.5 | 3.8 | 1.8 | 3.9 | 4.3 | 3.3 | 4.6 | 1.5 | 8.5 | 7.9 | 7.4 | 8.5 | 8.2 | 2.1 | 5.0 | 4.9 | 6.8 | 4.1 | 2.2 | 4.6 | 0.4 | 0.6 | 1.0 | 3.4 | 2.6 | 5.3 | 3.7 | 2.6 | 2.2 | 23.6 | 4.7 | 1.8 | 5.5 | -2.5 | -2.0 | 5.9 | 6.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 |
| Value | 21 | 21 | 30 | 33 | 25 | 2.4 | 25 | 11 | 12 | 25 | 30 | 11 | 4.9 | 33 | 27 | 22 | 17 | 13 | 12 | 20 | 9.3 | 14 | 16 | 9.9 | 11 | 9.3 | 5.0 | 9.2 | 9.0 | 4.8 | 7.7 | 4.1 | 5.3 | 8.8 | 9.1 | 7.9 | 7.8 | 10 | 8.0 | 7.8 | 9.0 | 7.4 |
| Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.5 | 0.4 | 0.6 | 0.7 | 1.0 | 0.1 | 0.5 | 0.2 | 0.2 | 0.5 | 0.6 | 0.2 | 0.1 | 0.6 | 0.5 | 0.5 | 0.3 | 0.3 | 0.3 | 0.5 | 0.2 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.1 | 0.2 | 0.2 | 0.1 | 0.2 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2009-12-31 |
| Value | 259 | 139 | 366 | 290 | -142.1 | -197.8 | 207 | 96 | 208 | 248 | 192 | 236 | 89 | 520 | 451 | 392 | 451 | 422 | 110 | 245 | 238 | 332 | 207 | 104 | 222 | 28 | 32 | 50 | 163 | 117 | 235 | 148 | 113 | 94 | 888 | 174 | 75 | 211 | -80.0 | -61.3 | 224 | 235 | 36 | 220 | 81 | -9.1 |
| Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 5.4 | 2.6 | 7.0 | 5.9 | -5.8 | -4.4 | 4.3 | 2.0 | 4.2 | 4.8 | 3.9 | 4.8 | 1.6 | 9.1 | 8.4 | 7.9 | 8.8 | 8.4 | 2.4 | 5.4 | 5.0 | 7.1 | 4.4 | 2.4 | 4.8 | 0.6 | 0.7 | 1.2 | 3.6 | 2.7 | 5.5 | 3.8 | 2.8 | 2.4 | 23.9 | 4.9 | 2.0 | 5.8 | -2.3 | -1.8 | 6.1 | 6.7 | 1.2 | 7.8 | 2.7 | -0.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 4359 | 4861 | 4783 | 4457 | 2571 | 4123 | 4490 | 4365 | 4529 | 4686 | 4419 | 4365 | 4942 | 5102 | 4788 | 4425 | 4545 |
| Percentage of CostOfGoodsAndServicesSold | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 91.6 | 90.8 | 91.2 | 91.0 | 105.2 | 92.5 | 93.2 | 90.5 | 90.5 | 90.8 | 89.4 | 89.2 | 88.6 | 89.0 | 89.3 | 88.8 | 88.7 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2017-12-31 | 2017-09-30 | 2016-12-31 | 2015-12-31 | 2015-09-26 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 |
| Value | 0.0 | 0.0 | 0.0 | -21.1 | 0.0 | 0.0 | -10.6 | 0.0 | 0.0 | 0.0 | 0.0 | 21 | 0.0 | 0.0 | 0.0 | -17.5 | 0.0 | 0.0 | -17.5 | 0.0 | 0.0 | 0.0 | -3.6 | 0.0 | -3.7 | 0.0 | 0.0 | 0.0 | -11.8 |
| Percentage of GainsLossesOnExtinguishmentOfDebt | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.0 | 0.0 | 0.0 | -0.5 | 0.0 | 0.0 | -0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 0.0 | 0.0 | 0.0 | -0.4 | 0.0 | 0.0 | -0.4 | 0.0 | 0.0 | 0.0 | -0.1 | 0.0 | -0.1 | 0.0 | 0.0 | 0.0 | -0.4 |
| Period End | 2020-07-04 | 2020-04-04 |
| Value | 0.0 | -21.1 |
| Percentage of GainsLossesOnExtinguishmentOfDebt | 0.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.0 | -0.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SeniorNotes | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 |
| Value | 459 | 442 | -127.4 | 334 | 326 | 459 | 478 | 473 | 522 | 526 | 638 | 631 | 574 | 555 | 577 | 582 | 512 | 513 | 540 | 535 | 490 | 453 | 450 | 425 | 392 | 361 | 379 | 360 | 319 | 330 | 337 | 312 | 301 | 291 | 314 | 309 | 242 | 280 | 346 | 323 | 234 | 235 | 292 | 254 |
| Percentage of GrossProfit | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 8.8 | 9.0 | -5.2 | 7.5 | 6.8 | 9.5 | 9.5 | 9.2 | 10.6 | 10.8 | 11.4 | 11.0 | 10.7 | 11.2 | 11.3 | 11.7 | 11.0 | 11.4 | 11.4 | 11.5 | 10.4 | 10.5 | 9.7 | 9.4 | 8.6 | 8.5 | 8.3 | 8.3 | 7.5 | 8.4 | 8.2 | 7.9 | 8.1 | 8.2 | 8.6 | 8.5 | 6.9 | 8.1 | 9.4 | 9.2 | 7.4 | 8.4 | 9.6 | 8.7 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-04-03 | 2009-12-31 |
| Value | 229 | 278 | 273 | 235 | -318.3 | 108 | 132 | 267 | 266 | 286 | 318 | 328 | 443 | 447 | 367 | 385 | 381 | 392 | 308 | 310 | 376 | 343 | 309 | 259 | 256 | 206 | 219 | 197 | 201 | 169 | 131 | 158 | 173 | 146 | 154 | 154 | 165 | 174 | 78 | 137 | 201 | 202 | 80 | -33.8 |
| Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 4.8 | 5.2 | 5.2 | 4.8 | -13.0 | 2.4 | 2.8 | 5.5 | 5.3 | 5.6 | 6.4 | 6.7 | 7.9 | 7.8 | 6.8 | 7.7 | 7.5 | 7.8 | 6.6 | 6.9 | 8.0 | 7.4 | 6.5 | 6.0 | 5.5 | 4.6 | 4.8 | 4.7 | 4.4 | 3.9 | 3.1 | 4.1 | 4.2 | 3.7 | 4.2 | 4.4 | 4.5 | 4.8 | 2.2 | 4.0 | 5.5 | 5.8 | 2.7 | -2.1 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 39 | 58 | 63 | 44 | -41.0 | 26 | -3.8 | 33 | 73 | 43 | 78 | 57 | 97 | 77 | -42.7 | 77 | 73 | 89 | 82 | 88 | 101 | 98 | 74 | 76 | 71 | 62 | -41.7 | 57 | 52 | 52 | 62 | 51 | 41 | 37 | -738.4 | 29 | 31 | 39 | -21.9 | 31 | 19 | 40 | -4.5 | 5.4 | 17 | 6.4 | -24.2 |
| Percentage of IncomeTaxExpenseBenefit | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.8 | 1.1 | 1.2 | 0.9 | -1.7 | 0.6 | -0.1 | 0.7 | 1.5 | 0.8 | 1.6 | 1.2 | 1.8 | 1.4 | -0.8 | 1.6 | 1.4 | 1.8 | 1.8 | 1.9 | 2.1 | 2.1 | 1.6 | 1.8 | 1.6 | 1.4 | -0.9 | 1.4 | 1.2 | 1.2 | 1.5 | 1.3 | 1.0 | 1.0 | -19.9 | 0.8 | 0.9 | 1.1 | -0.6 | 0.9 | 0.5 | 1.1 | -0.1 | 0.2 | 0.6 | 0.2 | -1.5 |
| Period End | 2020-07-04 |
| Value | -28.0 |
| Percentage of IncomeTaxExpenseBenefit | 68.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -1.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax lear:GovernmentAssistanceCARESAct | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2011-12-31 | 2011-10-01 | 2010-12-31 | 2010-10-02 | 2009-12-31 |
| Value | 51 | 31 | 56 | 22 | 27 | 35 | 38 | 24 | 67 | 41 | 54 | 66 | 95 | 63 | 59 | 69 | 90 | 65 | 86 | 43 | 67 | 41 | 76 | 32 | 69 | 40 | 21 | 38 | 54 | 40 | 31 | 44 | 48 | 28 | 18 | 11 | 15 | 3.8 | 4.3 |
| Percentage of IncomeTaxesPaidNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 1.1 | 0.6 | 1.1 | 0.4 | 1.1 | 0.8 | 0.8 | 0.5 | 1.3 | 0.8 | 1.1 | 1.4 | 1.7 | 1.1 | 1.1 | 1.4 | 1.8 | 1.3 | 1.9 | 1.0 | 1.4 | 0.9 | 1.6 | 0.7 | 1.5 | 0.9 | 0.5 | 0.9 | 1.2 | 0.9 | 0.7 | 1.1 | 1.2 | 0.7 | 0.5 | 0.3 | 0.5 | 0.1 | 0.3 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 22 | 22 | 21 | 26 | 27 | 24 | 22 | 24 | 24 | 20 | 21 | 21 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 20 | 21 | 20 | 24 | 20 | 15 | 14 | 16 | 16 | 17 | 17 | 16 | 9.7 | 13 | 14 | 12 | 14 | 10 | 10 | 3.3 | 11 | 11 | 13 | 19 | 11 |
| Percentage of InterestExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.5 | 0.4 | 0.4 | 0.5 | 1.1 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.4 | 0.5 | 0.4 | 0.5 | 0.4 | 0.5 | 0.4 | 0.4 | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.4 | 0.4 | 0.3 | 0.4 | 0.3 | 0.3 | 0.1 | 0.4 | 0.4 | 0.4 | 0.6 | 0.7 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 |
| Value | 1.6 | 1.6 | 1.6 | 1.7 | 1.6 | 1.6 |
| Percentage of InterestExpense | 7.2 | 7.2 | 7.4 | 6.4 | 5.9 | 6.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InterestRateSwap us-gaap:NetInvestmentHedging us-gaap:DesignatedAsHedgingInstrument | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 30 | 14 | 34 | 18 | 30 | 34 | 19 | 34 | 7.2 | 43 | 3.4 | 43 | 4.6 | 45 | 2.4 | 46 |
| Percentage of InterestPaidNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.6 | 0.3 | 0.7 | 0.4 | 1.2 | 0.8 | 0.4 | 0.7 | 0.1 | 0.8 | 0.1 | 0.9 | 0.1 | 0.8 | 0.0 | 0.9 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 175 | 203 | 201 | 174 | -293.9 | 76 | 126 | 215 | 182 | 228 | 212 | 252 | 331 | 353 | 400 | 295 | 311 | 305 | 229 | 214 | 282 | 248 | 235 | 181 | 181 | 147 | 261 | 140 | 148 | 122 | 72 | 112 | 137 | 108 | 881 | 121 | 145 | 134 | 106 | 100 | 177 | 156 | 117 | 95 | 159 | 66 | -3.8 |
| Percentage of NetIncomeLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 3.7 | 3.8 | 3.8 | 3.6 | -12.0 | 1.7 | 2.6 | 4.5 | 3.7 | 4.4 | 4.3 | 5.2 | 5.9 | 6.2 | 7.5 | 5.9 | 6.1 | 6.1 | 5.0 | 4.7 | 6.0 | 5.3 | 5.0 | 4.2 | 3.9 | 3.3 | 5.8 | 3.3 | 3.2 | 2.8 | 1.7 | 2.9 | 3.3 | 2.7 | 23.7 | 3.4 | 4.0 | 3.7 | 3.0 | 2.9 | 4.8 | 4.4 | 3.7 | 3.4 | 5.3 | 2.2 | -0.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 19 | 22 | 21 | 22 | 24 | 7.2 | 18 | 22 | 19 | 17 | 30 | 22 | 23 | 20 | 19 | 19 | 15 | 12 | 18 | 20 | 12 | 14 | 17 | 12 | 11 | 9.4 | 6.2 | 7.8 | 9.3 | 6.6 | 7.1 | 3.9 | 5.0 | 8.4 | 8.2 | 6.7 | 9.2 | 10 | 7.4 | 7.4 | 8.2 | 6.7 | 6.7 | 3.2 | 5.5 | 7.7 | -3.9 |
| Percentage of NetIncomeLossAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.4 | 0.4 | 0.4 | 0.5 | 1.0 | 0.2 | 0.4 | 0.5 | 0.4 | 0.3 | 0.6 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.4 | 0.5 | 0.3 | 0.3 | 0.4 | 0.3 | 0.2 | 0.2 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.2 | 0.3 | -0.2 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2009-12-31 |
| Value | 201 | 174 | -293.9 | 76 | 152 | 219 | 181 | 235 | 218 | 250 | 322 | 348 | 397 | 272 | 311 | 305 | 229 | 214 | 106 | 100 | 177 | 115 | 91 | 147 | -3.8 |
| Percentage of NetIncomeLossAvailableToCommonStockholdersBasic | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 3.8 | 3.6 | -12.0 | 1.7 | 3.2 | 4.5 | 3.6 | 4.6 | 4.4 | 5.1 | 5.8 | 6.1 | 7.4 | 5.5 | 6.1 | 6.1 | 5.0 | 4.7 | 3.0 | 2.9 | 4.8 | 3.6 | 3.2 | 4.8 | -0.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 205 | 307 | 296 | 278 | -294.3 | 173 | 152 | 300 | 305 | 312 | 359 | 363 | 468 | 462 |
| Percentage of OperatingIncomeLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 4.3 | 5.7 | 5.6 | 5.7 | -12.0 | 3.9 | 3.2 | 6.2 | 6.1 | 6.1 | 7.3 | 7.4 | 8.4 | 8.1 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | -57.9 | -55.1 |
| Percentage of OperatingIncomeLoss | -20.8 | -18.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -1.2 | -1.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax lea:CorporateAndEliminations | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | -73.3 | -73.9 | -64.5 | -45.1 | -71.1 | -55.1 | -62.7 | -68.4 | -46.3 | -69.1 | -55.2 | -67.4 |
| Percentage of OperatingIncomeLoss | -35.7 | -24.0 | 21.9 | -26.0 | -46.7 | -18.3 | -20.5 | -21.9 | -12.9 | -19.0 | -11.8 | -14.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -1.5 | -1.4 | -2.6 | -1.0 | -1.5 | -1.1 | -1.3 | -1.3 | -0.9 | -1.4 | -1.0 | -1.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax lear:CorporateAndEliminations | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 86 | 74 |
| Percentage of OperatingIncomeLoss | 30.8 | 24.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 1.8 | 1.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments lea:ESystemsSegment | 7.1 | 6.7 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 250 | 281 |
| Percentage of OperatingIncomeLoss | 89.9 | 93.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 5.1 | 5.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments lea:Seating | 6.8 | 7.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 26 | 89 | -113.4 | 32 | 79 | 74 | 84 | 128 | 124 | 138 | 175 | 190 |
| Percentage of OperatingIncomeLoss | 12.9 | 29.1 | 38.5 | 18.7 | 51.9 | 24.7 | 27.8 | 41.1 | 34.5 | 38.1 | 37.4 | 41.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.6 | 1.7 | -4.6 | 0.7 | 1.6 | 1.5 | 1.7 | 2.5 | 2.5 | 2.8 | 3.1 | 3.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments lear:ESystemsSegment | 2.3 | 6.6 | -16.4 | 3.0 | 0.0 | 6.7 | 7.3 | 10.3 | 0.0 | 11.5 | 13.4 | 13.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 252 | 292 | -116.4 | 186 | 144 | 281 | 283 | 252 | 281 | 294 | 348 | 339 |
| Percentage of OperatingIncomeLoss | 122.7 | 95.0 | 39.6 | 107.3 | 94.8 | 93.6 | 92.8 | 80.8 | 78.3 | 80.9 | 74.4 | 73.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 5.3 | 5.5 | -4.8 | 4.2 | 3.0 | 5.8 | 5.7 | 4.9 | 5.7 | 6.0 | 6.2 | 5.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments lear:Seating | 7.0 | 7.3 | -6.6 | 5.5 | 0.0 | 7.6 | 7.4 | 6.4 | 0.0 | 8.0 | 8.1 | 7.8 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2009-12-31 |
| Value | 52 | 3.6 | 10 | 3.2 | 7.6 | 7.0 | 13 | 4.0 | 2.9 | 6.9 | -0.7 | 3.4 | 2.8 | 11 | 1.8 | 56 | 1.7 | 4.3 | 0.3 | 1.3 | 34 | 0.8 | 0.5 | 0.1 | 0.3 | 2.3 | 2.2 | 5.3 | 0.6 | 0.6 | 0.8 | 0.5 | 0.1 | 0.6 | 14 | 7.8 | 3.2 | 2.9 | -9.1 | 4.5 | 4.8 | 7.0 | -28.4 | 9.8 | 26 | 0.4 |
| Percentage of OtherIncome | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 1.1 | 0.1 | 0.2 | 0.1 | 0.3 | 0.2 | 0.3 | 0.1 | 0.1 | 0.1 | -0.0 | 0.1 | 0.1 | 0.2 | 0.0 | 1.1 | 0.0 | 0.1 | 0.0 | 0.0 | 0.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 0.2 | 0.1 | 0.1 | -0.3 | 0.1 | 0.1 | 0.2 | -0.9 | 0.3 | 0.9 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 194 | 225 | 222 | 197 | -269.5 | 83 | 144 | 238 | 202 | 246 | 242 | 274 | 355 | 374 | 420 | 315 | 327 | 318 | 248 | 235 | 294 | 262 | 252 | 193 | 192 | 156 | 268 | 147 | 157 | 128 | 79 | 116 | 142 | 116 | 890 | 128 | 154 | 144 | 113 | 108 | 185 | 162 | 123 | 98 | 165 | 73 | -7.7 |
| Percentage of ProfitLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 4.1 | 4.2 | 4.2 | 4.0 | -11.0 | 1.9 | 3.0 | 4.9 | 4.0 | 4.8 | 4.9 | 5.6 | 6.4 | 6.5 | 7.8 | 6.3 | 6.4 | 6.4 | 5.4 | 5.2 | 6.2 | 5.6 | 5.4 | 4.5 | 4.2 | 3.5 | 5.9 | 3.5 | 3.4 | 2.9 | 1.9 | 3.0 | 3.5 | 3.0 | 23.9 | 3.6 | 4.2 | 4.0 | 3.2 | 3.1 | 5.1 | 4.6 | 3.9 | 3.5 | 5.4 | 2.5 | -0.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 4760 | 5354 | 5243 | 4900 | 2444 | 4457 | 4817 | 4825 | 5007 | 5160 | 4942 | 4891 | 5580 | 5733 | 5363 | 4981 | 5123 | 4998 | 4643 | 4526 | 4724 | 4662 | 4724 | 4330 | 4635 | 4521 | 4549 | 4232 | 4585 | 4359 | 4256 | 3917 | 4113 | 3947 | 3719 | 3538 | 3665 | 3644 | 3508 | 3460 | 3676 | 3511 | 3156 | 2820 | 3039 | 2938 | 1580 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 1208 | 1110 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 24.7 | 23.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 24.7 | 23.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments lea:ESystemsSegment | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 3691 | 3715 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 75.3 | 77.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 75.3 | 77.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments lea:Seating | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 |
| Value | 1152 | 1358 | 689 | 1091 | 1110 | 1168 | 1246 | 1208 | 1306 | 1403 | 1112 | 1098 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 24.2 | 25.4 | 28.2 | 24.5 | 23.0 | 23.3 | 24.2 | 24.7 | 23.4 | 24.5 | 22.3 | 21.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 24.2 | 25.4 | 28.2 | 24.5 | 23.0 | 23.3 | 24.2 | 24.7 | 23.4 | 24.5 | 22.3 | 21.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments lear:ESystemsSegment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 |
| Value | 3608 | 3996 | 1754 | 3366 | 3715 | 3839 | 3913 | 3683 | 4274 | 4329 | 3868 | 4025 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 75.8 | 74.6 | 71.8 | 75.5 | 77.0 | 76.7 | 75.8 | 75.3 | 76.6 | 75.5 | 77.7 | 78.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 75.8 | 74.6 | 71.8 | 75.5 | 77.0 | 76.7 | 75.8 | 75.3 | 76.6 | 75.5 | 77.7 | 78.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments lear:Seating | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-04-01 |
| Value | 1208 | 1110 | 1403 | 1130 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 24.7 | 23.0 | 24.5 | 22.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 24.7 | 23.0 | 24.5 | 22.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax lea:ESystemsSegment | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-04-01 |
| Value | 3691 | 3715 | 4329 | 3868 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 75.3 | 77.0 | 75.5 | 77.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 75.3 | 77.0 | 75.5 | 77.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax lea:Seating | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 1152 | 1358 | 689 | 1091 | 1188 | 1110 | 1168 | 1246 | 1208 | 1208 | 1306 | 1403 | 1252 | 1112 | 1098 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 24.2 | 25.4 | 28.2 | 24.5 | 24.7 | 23.0 | 23.3 | 24.2 | 24.4 | 24.7 | 23.4 | 24.5 | 23.4 | 22.3 | 21.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 24.2 | 25.4 | 28.2 | 24.5 | 24.7 | 23.0 | 23.3 | 24.2 | 24.4 | 24.7 | 23.4 | 24.5 | 23.4 | 22.3 | 21.4 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax lear:ESystemsSegment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 3608 | 3996 | 1754 | 3366 | 3629 | 3715 | 3839 | 3913 | 3734 | 3683 | 4274 | 4329 | 4111 | 3868 | 4025 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 75.8 | 74.6 | 71.8 | 75.5 | 75.3 | 77.0 | 76.7 | 75.8 | 75.6 | 75.3 | 76.6 | 75.5 | 76.6 | 77.7 | 78.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 75.8 | 74.6 | 71.8 | 75.5 | 75.3 | 77.0 | 76.7 | 75.8 | 75.6 | 75.3 | 76.6 | 75.5 | 76.6 | 77.7 | 78.6 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax lear:Seating | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-04-01 |
| Value | 1705 | 1786 | 2443 | 1915 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 34.8 | 37.0 | 42.6 | 38.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 34.8 | 37.0 | 42.6 | 38.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax lea:EuropeandAfrica | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 1727 | 2077 | 823 | 1752 | 1827 | 1786 | 1999 | 2171 | 1960 | 1944 | 2378 | 2443 | 2163 | 2024 | 2033 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 36.3 | 38.8 | 33.7 | 39.3 | 37.9 | 37.0 | 39.9 | 42.1 | 39.7 | 39.8 | 42.6 | 42.6 | 40.3 | 40.6 | 39.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 36.3 | 38.8 | 33.7 | 39.3 | 37.9 | 37.0 | 39.9 | 42.1 | 39.7 | 39.8 | 42.6 | 42.6 | 40.3 | 40.6 | 39.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax lear:EuropeandAfrica | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 997 | 1085 | 1133 | 1004 | 840 | 676 | 1066 | 980 | 965 | 955 | 987 | 989 | 1019 | 1044 | 1056 | 939 | 875 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 20.9 | 20.3 | 21.6 | 20.5 | 34.4 | 15.2 | 22.1 | 20.3 | 19.3 | 18.5 | 20.0 | 20.2 | 18.3 | 18.2 | 19.7 | 18.8 | 17.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 20.9 | 20.3 | 21.6 | 20.5 | 34.4 | 15.2 | 22.1 | 20.3 | 19.3 | 18.5 | 20.0 | 20.2 | 18.3 | 18.2 | 19.7 | 18.8 | 17.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Asia | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 1857 | 2011 | 1969 | 2039 | 739 | 1881 | 1740 | 1877 | 1872 | 1876 | 1841 | 1780 | 1983 | 2055 | 1954 | 1821 | 2022 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 39.0 | 37.6 | 37.6 | 41.6 | 30.3 | 42.2 | 36.1 | 38.9 | 37.4 | 36.4 | 37.3 | 36.4 | 35.5 | 35.8 | 36.4 | 36.6 | 39.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 39.0 | 37.6 | 37.6 | 41.6 | 30.3 | 42.2 | 36.1 | 38.9 | 37.4 | 36.4 | 37.3 | 36.4 | 35.5 | 35.8 | 36.4 | 36.6 | 39.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NorthAmerica | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 179 | 180 | 180 | 150 | 40 | 147 | 183 | 180 | 170 | 156 | 153 | 177 | 199 | 191 | 189 | 196 | 191 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 3.8 | 3.4 | 3.4 | 3.1 | 1.6 | 3.3 | 3.8 | 3.7 | 3.4 | 3.0 | 3.1 | 3.6 | 3.6 | 3.3 | 3.5 | 4.0 | 3.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 3.8 | 3.4 | 3.4 | 3.1 | 1.6 | 3.3 | 3.8 | 3.7 | 3.4 | 3.0 | 3.1 | 3.6 | 3.6 | 3.3 | 3.5 | 4.0 | 3.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:SouthAmerica | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 491 | 495 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 10.0 | 10.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 10.0 | 10.3 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax lea:EuropeandAfrica lea:ESystemsSegment | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 1214 | 1291 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 24.8 | 26.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 24.8 | 26.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax lea:EuropeandAfrica lea:Seating | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 501 | 602 | 273 | 516 | 514 | 495 | 537 | 617 | 544 | 552 | 640 | 691 | 599 | 551 | 558 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 10.5 | 11.2 | 11.2 | 11.6 | 10.7 | 10.3 | 10.7 | 12.0 | 11.0 | 11.3 | 11.5 | 12.1 | 11.2 | 11.1 | 10.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 10.5 | 11.2 | 11.2 | 11.6 | 10.7 | 10.3 | 10.7 | 12.0 | 11.0 | 11.3 | 11.5 | 12.1 | 11.2 | 11.1 | 10.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax lear:EuropeandAfrica lear:ESystemsSegment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 1226 | 1474 | 550 | 1236 | 1313 | 1291 | 1461 | 1554 | 1416 | 1392 | 1738 | 1752 | 1564 | 1472 | 1474 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 25.8 | 27.5 | 22.5 | 27.7 | 27.3 | 26.8 | 29.2 | 30.1 | 28.7 | 28.5 | 31.1 | 30.6 | 29.2 | 29.6 | 28.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 25.8 | 27.5 | 22.5 | 27.7 | 27.3 | 26.8 | 29.2 | 30.1 | 28.7 | 28.5 | 31.1 | 30.6 | 29.2 | 29.6 | 28.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax lear:EuropeandAfrica lear:Seating | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 343 | 312 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 7.0 | 6.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 7.0 | 6.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Asia lea:ESystemsSegment | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 661 | 667 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 13.5 | 13.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 13.5 | 13.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Asia lea:Seating | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 332 | 368 | 283 | 218 | 334 | 312 | 306 | 304 | 355 | 350 | 351 | 358 | 340 | 252 | 208 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 7.0 | 6.9 | 11.6 | 4.9 | 6.9 | 6.5 | 6.1 | 5.9 | 7.2 | 7.2 | 6.3 | 6.2 | 6.3 | 5.1 | 4.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 7.0 | 6.9 | 11.6 | 4.9 | 6.9 | 6.5 | 6.1 | 5.9 | 7.2 | 7.2 | 6.3 | 6.2 | 6.3 | 5.1 | 4.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Asia lear:ESystemsSegment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 664 | 716 | 557 | 457 | 732 | 667 | 659 | 651 | 631 | 638 | 668 | 686 | 716 | 686 | 667 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 14.0 | 13.4 | 22.8 | 10.3 | 15.2 | 13.8 | 13.2 | 12.6 | 12.8 | 13.1 | 12.0 | 12.0 | 13.4 | 13.8 | 13.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 14.0 | 13.4 | 22.8 | 10.3 | 15.2 | 13.8 | 13.2 | 12.6 | 12.8 | 13.1 | 12.0 | 12.0 | 13.4 | 13.8 | 13.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Asia lear:Seating | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 333 | 250 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 6.8 | 5.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 6.8 | 5.2 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NorthAmerica lea:ESystemsSegment | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 1706 | 1626 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 34.8 | 33.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 34.8 | 33.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NorthAmerica lea:Seating | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 284 | 342 | 125 | 307 | 290 | 250 | 274 | 285 | 266 | 256 | 272 | 315 | 265 | 261 | 284 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 6.0 | 6.4 | 5.1 | 6.9 | 6.0 | 5.2 | 5.5 | 5.5 | 5.4 | 5.2 | 4.9 | 5.5 | 4.9 | 5.2 | 5.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 6.0 | 6.4 | 5.1 | 6.9 | 6.0 | 5.2 | 5.5 | 5.5 | 5.4 | 5.2 | 4.9 | 5.5 | 4.9 | 5.2 | 5.5 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NorthAmerica lear:ESystemsSegment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 1572 | 1668 | 614 | 1573 | 1449 | 1626 | 1597 | 1591 | 1574 | 1524 | 1711 | 1740 | 1689 | 1559 | 1738 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 33.0 | 31.2 | 25.2 | 35.3 | 30.1 | 33.7 | 31.9 | 30.8 | 31.9 | 31.2 | 30.7 | 30.3 | 31.5 | 31.3 | 33.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 33.0 | 31.2 | 25.2 | 35.3 | 30.1 | 33.7 | 31.9 | 30.8 | 31.9 | 31.2 | 30.7 | 30.3 | 31.5 | 31.3 | 33.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NorthAmerica lear:Seating | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 40 | 51 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.8 | 1.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.8 | 1.1 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:SouthAmerica lea:ESystemsSegment | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 110 | 129 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.3 | 2.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 2.3 | 2.7 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:SouthAmerica lea:Seating | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 34 | 44 | 8.0 | 48 | 49 | 51 | 49 | 40 | 41 | 49 | 41 | 39 | 48 | 47 | 46 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.7 | 0.8 | 0.3 | 1.1 | 1.0 | 1.1 | 1.0 | 0.8 | 0.8 | 1.0 | 0.8 | 0.7 | 0.9 | 0.9 | 0.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.7 | 0.8 | 0.3 | 1.1 | 1.0 | 1.1 | 1.0 | 0.8 | 0.8 | 1.0 | 0.8 | 0.7 | 0.9 | 0.9 | 0.9 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:SouthAmerica lear:ESystemsSegment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 144 | 136 | 32 | 99 | 133 | 129 | 120 | 116 | 112 | 127 | 157 | 151 | 140 | 149 | 144 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 3.0 | 2.5 | 1.3 | 2.2 | 2.8 | 2.7 | 2.4 | 2.3 | 2.3 | 2.6 | 2.8 | 2.6 | 2.6 | 3.0 | 2.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 3.0 | 2.5 | 1.3 | 2.2 | 2.8 | 2.7 | 2.4 | 2.3 | 2.3 | 2.6 | 2.8 | 2.6 | 2.6 | 3.0 | 2.8 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:SouthAmerica lear:Seating | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 5243 | 4900 | 2444 | 4457 | 4817 | 4825 | 5007 | 5160 | 4942 | 4891 | 5580 | 5733 | 5363 | 4981 | 5123 | 4998 | 4643 | 4526 | 4724 | 4662 | 4724 | 4330 | 4635 | 4521 | 4549 | 4232 | 4585 | 4359 | 4256 | 3917 | 4113 | 3947 | 3719 | 3538 | 3665 | 3644 | 3508 | 3460 | 3676 | 3511 | 3156 | 2820 | 3039 | 2938 | 1580 |
| Percentage of RevenueFromContractWithCustomerIncludingAssessedTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 170 | 168 | 146 | 147 | 150 | 143 | 157 | 141 | 157 | 148 | 150 | 150 | 156 | 155 | 164 | 158 | 157 | 155 | 165 | 153 | 154 | 149 | 139 | 137 | 151 | 151 | 127 | 128 | 138 | 136 | 142 | 128 | 127 | 129 | 132 | 113 | 117 | 116 | 134 | 114 | 119 | 117 | 102 | 110 | 112 | 127 | 71 |
| Percentage of SellingGeneralAndAdministrativeExpense | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 3.6 | 3.2 | 2.8 | 3.0 | 6.2 | 3.2 | 3.3 | 2.9 | 3.1 | 2.9 | 3.0 | 3.1 | 2.8 | 2.7 | 3.1 | 3.2 | 3.1 | 3.1 | 3.6 | 3.4 | 3.3 | 3.2 | 3.0 | 3.2 | 3.3 | 3.4 | 2.8 | 3.0 | 3.0 | 3.1 | 3.4 | 3.3 | 3.1 | 3.3 | 3.6 | 3.2 | 3.2 | 3.2 | 3.8 | 3.3 | 3.2 | 3.3 | 3.2 | 3.9 | 3.7 | 4.4 | 4.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2009-12-31 |
| Value | 13263 | 13422 | 13198 | 12894 | 12269 | 13022 | 12680 | 12753 | 12847 | 12362 | 11600 | 12009 | 12282 | 12681 | 11945 | 11712 | 11237 | 10600 | 9900 | 10277 | 10140 | 9959 | 9405 | 9638 | 9825 | 9618 | 9150 | 8691 | 8961 | 8998 | 8330 | 8464 | 8166 | 8824 | 8194 | 7462 | 7503 | 7536 | 7010 | 7215 | 7539 | 7363 | 6621 | 6636 | 6305 | 6073 |
| Percentage of Assets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 |
| Value | 2088 | 2099 | 2148 | 2374 | 2035 | 1958 | 1940 | 2025 | 2182 | 2224 | 1972 | 2052 | 1831 | 1865 |
| Percentage of Assets | 16.2 | 16.5 | 16.9 | 19.9 | 17.4 | 17.4 | 18.3 | 20.5 | 21.2 | 21.9 | 19.8 | 21.8 | 19.0 | 19.0 |
| Percentage of Assets | 16.2 | 16.5 | 16.9 | 19.9 | 17.4 | 17.4 | 18.3 | 20.5 | 21.2 | 21.9 | 19.8 | 21.8 | 19.0 | 19.0 |
| Percentage of Assets lea:CorporateAndEliminations | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 2268 | 2167 | 2199 | 2680 | 3240 | 2335 | 2099 | 2040 | 1956 | 2291 | 2119 | 2243 | 2148 | 2374 | 2035 | 1958 |
| Percentage of Assets | 17.1 | 16.1 | 16.7 | 21.8 | 24.9 | 18.4 | 16.5 | 15.9 | 15.8 | 19.8 | 17.6 | 18.3 | 16.9 | 19.9 | 17.4 | 17.4 |
| Percentage of Assets | 17.1 | 16.1 | 16.7 | 21.8 | 24.9 | 18.4 | 16.5 | 15.9 | 15.8 | 19.8 | 17.6 | 18.3 | 16.9 | 19.9 | 17.4 | 17.4 |
| Percentage of Assets lear:CorporateAndEliminations | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 |
| Value | 3232 | 3078 | 2631 | 2268 | 2262 | 1880 | 1835 | 1675 | 1746 | 1691 | 1745 | 1572 | 1674 |
| Percentage of Assets | 25.1 | 24.1 | 20.7 | 19.0 | 19.3 | 16.7 | 17.3 | 16.9 | 17.0 | 16.7 | 17.5 | 16.7 | 17.4 |
| Percentage of Assets | 25.1 | 24.1 | 20.7 | 19.0 | 19.3 | 16.7 | 17.3 | 16.9 | 17.0 | 16.7 | 17.5 | 16.7 | 17.4 |
| Percentage of Assets us-gaap:OperatingSegments lea:ESystemsSegment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2011-12-31 |
| Value | 7574 | 7575 | 7901 | 7303 | 7413 | 7397 | 6824 | 6199 | 6348 | 6224 | 6241 | 5780 | 6132 | 6302 | 6314 | 4855 | 5223 | 5415 | 5417 | 4640 | 4862 | 4754 | 4744 | 4341 | 3697 |
| Percentage of Assets | 58.7 | 59.4 | 62.3 | 61.1 | 63.3 | 65.8 | 64.4 | 62.6 | 61.8 | 61.4 | 62.7 | 61.5 | 63.6 | 64.1 | 65.7 | 53.1 | 60.1 | 60.4 | 60.2 | 55.7 | 57.4 | 58.2 | 53.8 | 53.0 | 52.7 |
| Percentage of Assets | 58.7 | 59.4 | 62.3 | 61.1 | 63.3 | 65.8 | 64.4 | 62.6 | 61.8 | 61.4 | 62.7 | 61.5 | 63.6 | 64.1 | 65.7 | 53.1 | 60.1 | 60.4 | 60.2 | 55.7 | 57.4 | 58.2 | 53.8 | 53.0 | 52.7 |
| Percentage of Assets us-gaap:OperatingSegments lea:Seating | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 3466 | 3493 | 3403 | 2901 | 2920 | 3068 | 3078 | 3093 | 2703 | 2452 | 2578 | 2530 | 2631 | 2268 | 2262 | 1880 |
| Percentage of Assets | 26.1 | 26.0 | 25.8 | 23.6 | 22.4 | 24.2 | 24.1 | 24.1 | 21.9 | 21.1 | 21.5 | 20.6 | 20.7 | 19.0 | 19.3 | 16.7 |
| Percentage of Assets | 26.1 | 26.0 | 25.8 | 23.6 | 22.4 | 24.2 | 24.1 | 24.1 | 21.9 | 21.1 | 21.5 | 20.6 | 20.7 | 19.0 | 19.3 | 16.7 |
| Percentage of Assets us-gaap:OperatingSegments lear:ESystemsSegment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 7528 | 7761 | 7596 | 6687 | 6861 | 7277 | 7575 | 7714 | 7702 | 6857 | 7311 | 7508 | 7901 | 7303 | 7413 | 7397 |
| Percentage of Assets | 56.8 | 57.8 | 57.6 | 54.5 | 52.7 | 57.4 | 59.4 | 60.0 | 62.3 | 59.1 | 60.9 | 61.1 | 62.3 | 61.1 | 63.3 | 65.8 |
| Percentage of Assets | 56.8 | 57.8 | 57.6 | 54.5 | 52.7 | 57.4 | 59.4 | 60.0 | 62.3 | 59.1 | 60.9 | 61.1 | 62.3 | 61.1 | 63.3 | 65.8 |
| Percentage of Assets us-gaap:OperatingSegments lear:Seating | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 13263 | 13422 | 13198 | 12894 | 12269 | 13022 | 12680 | 12753 | 12847 | 12362 | 11600 | 12009 | 12282 | 12681 | 11945 | 11712 | 11237 | 10600 | 9900 | 10277 | 10140 | 9959 | 9405 | 9638 | 9825 | 9618 | 9150 | 8691 | 8961 | 8998 | 8330 | 8464 | 8166 | 8824 | 8194 | 7462 | 7503 | 7536 | 7010 | 7215 | 7539 | 7363 | 6621 |
| Percentage of LiabilitiesAndStockholdersEquity | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 4782 | 4580 | 4467 | 4132 | 3867 | 4023 | 4349 | 4203 | 4236 | 4245 | 4200 | 4292 | 4299 | 4399 | 4150 | 3871 | 3621 | 3331 | 3057 | 3078 | 3012 | 3037 | 2927 | 2840 | 2899 | 2812 | 2958 | 3081 | 3145 | 3142 | 3045 | 2813 | 2669 | 3360 | 3487 | 2667 | 2565 | 2577 | 2436 | 2626 | 2792 | 2655 | 2460 |
| Percentage of StockholdersEquity | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 36.1 | 34.1 | 33.8 | 32.1 | 31.5 | 30.9 | 34.3 | 33.0 | 33.0 | 34.3 | 36.2 | 35.7 | 35.0 | 34.7 | 34.7 | 33.1 | 32.2 | 31.4 | 30.9 | 30.0 | 29.7 | 30.5 | 31.1 | 29.5 | 29.5 | 29.2 | 32.3 | 35.5 | 35.1 | 34.9 | 36.6 | 33.2 | 32.7 | 38.1 | 42.6 | 35.7 | 34.2 | 34.2 | 34.8 | 36.4 | 37.0 | 36.1 | 37.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 6854 | 7040 | 6776 | 6598 | 6048 | 6908 | 6406 | 6618 | 6736 | 6597 | 6280 | 6567 | 6828 | 7099 | 6613 | 6563 | 6341 | 6228 | 5649 | 6053 | 5936 | 5775 | 5286 | 5631 | 5807 | 5642 | 5379 | 5333 | 5528 | 5561 | 4922 | 5003 | 4792 | 5536 | 4873 | 4844 | 4964 | 5245 | 4761 | 4991 | 5238 | 5050 | 4385 |
| Percentage of AssetsCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 51.7 | 52.5 | 51.3 | 51.2 | 49.3 | 53.1 | 50.5 | 51.9 | 52.4 | 53.4 | 54.1 | 54.7 | 55.6 | 56.0 | 55.4 | 56.0 | 56.4 | 58.8 | 57.1 | 58.9 | 58.5 | 58.0 | 56.2 | 58.4 | 59.1 | 58.7 | 58.8 | 61.4 | 61.7 | 61.8 | 59.1 | 59.1 | 58.7 | 62.7 | 59.5 | 64.9 | 66.2 | 69.6 | 67.9 | 69.2 | 69.5 | 68.6 | 66.2 |
| Period End | 2020-12-31 | 2019-12-31 |
| Value | 1136 | 856 |
| Percentage of AssetsCurrent | 16.8 | 13.4 |
| Percentage of Assets | 8.6 | 6.8 |
| Percentage of Assets lear:GroupOfEquityMethodInvestments | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | 2009-11-07 |
| Value | 1401 | 1375 | 1306 | 1250 | 1775 | 2449 | 1487 | 1300 | 1269 | 1199 | 1493 | 1198 | 1327 | 1268 | 1500 | 1253 | 1166 | 1209 | 1271 | 1341 | 1394 | 1174 | 1196 | 922 | 967 | 748 | 1094 | 872 | 865 | 919 | 1137 | 884 | 841 | 1601 | 1402 | 1269 | 1332 | 1630 | 1754 | 1676 | 1771 | 1707 | 1654 | 1513 | 1420 | 1300 | 1554 | 1254 |
| Percentage of CashAndCashEquivalentsAtCarryingValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 10.6 | 10.2 | 9.9 | 9.7 | 14.5 | 18.8 | 11.7 | 10.2 | 9.9 | 9.7 | 12.9 | 10.0 | 10.8 | 10.0 | 12.6 | 10.7 | 10.4 | 11.4 | 12.8 | 13.1 | 13.8 | 11.8 | 12.7 | 9.6 | 9.9 | 7.8 | 12.0 | 10.0 | 9.7 | 10.2 | 13.7 | 10.4 | 10.3 | 18.1 | 17.1 | 17.0 | 17.8 | 21.6 | 25.0 | 23.2 | 23.5 | 23.2 | 25.0 | 22.8 | 22.5 | 0.0 | 25.6 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2015-12-31 |
| Value | 1404 | 1378 | 1314 | 1258 | 1813 | 2461 | 1510 | 1323 | 1290 | 1220 | 1519 | 1224 | 1366 | 1294 | 1500 | 1253 | 1166 | 1209 | 1271 | 1196 |
| Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 10.6 | 10.3 | 10.0 | 9.8 | 14.8 | 18.9 | 11.9 | 10.4 | 10.0 | 9.9 | 13.1 | 10.2 | 11.1 | 10.2 | 12.6 | 10.7 | 10.4 | 11.4 | 12.8 | 12.7 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 9.3 | 17 | 4.8 | 3.2 |
| Percentage of MarketableSecuritiesCurrent | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.1 | 0.1 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2017-12-31 |
| Value | 2.7 | 2.6 | 9.3 | 8.9 | 7.6 | 7.7 | 17 | 16 | 15 | 13 | 4.8 | 3.6 | 3.6 | 3.2 |
| Percentage of MarketableSecuritiesCurrent | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:EquitySecurities | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 2965 | 3441 | 3269 | 3386 | 2354 | 2472 | 2982 | 3320 | 3467 | 3468 | 2880 | 3301 | 3440 | 3795 | 3230 | 3357 | 3357 | 3308 | 2746 | 3109 | 2987 | 3048 | 2590 | 2959 | 3105 | 3170 | 2471 | 2843 | 3064 | 3027 | 2278 | 2596 | 2468 | 2438 | 2040 | 2192 | 2293 | 2366 | 1880 | 2082 | 2279 | 2258 | 1758 |
| Percentage of AccountsReceivableNetCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 22.4 | 25.6 | 24.8 | 26.3 | 19.2 | 19.0 | 23.5 | 26.0 | 27.0 | 28.1 | 24.8 | 27.5 | 28.0 | 29.9 | 27.0 | 28.7 | 29.9 | 31.2 | 27.7 | 30.3 | 29.5 | 30.6 | 27.5 | 30.7 | 31.6 | 33.0 | 27.0 | 32.7 | 34.2 | 33.6 | 27.3 | 30.7 | 30.2 | 27.6 | 24.9 | 29.4 | 30.6 | 31.4 | 26.8 | 28.9 | 30.2 | 30.7 | 26.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 1590 | 1464 | 1401 | 1265 | 1245 | 1324 | 1258 | 1294 | 1240 | 1200 | 1196 | 1285 | 1248 | 1266 | 1205 | 1232 | 1127 | 1067 | 1020 | 1063 | 1011 | 1009 | 947 | 1043 | 1008 | 985 | 853 | 899 | 881 | 872 | 818 | 839 | 787 | 793 | 727 | 763 | 749 | 715 | 637 | 708 | 657 | 627 | 554 |
| Percentage of InventoryNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 12.0 | 10.9 | 10.6 | 9.8 | 10.2 | 10.2 | 9.9 | 10.1 | 9.7 | 9.7 | 10.3 | 10.7 | 10.2 | 10.0 | 10.1 | 10.5 | 10.0 | 10.1 | 10.3 | 10.3 | 10.0 | 10.1 | 10.1 | 10.8 | 10.3 | 10.2 | 9.3 | 10.3 | 9.8 | 9.7 | 9.8 | 9.9 | 9.6 | 9.0 | 8.9 | 10.2 | 10.0 | 9.5 | 9.1 | 9.8 | 8.7 | 8.5 | 8.4 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 |
| Value | 489 | 431 | 396 | 364 | 353 | 381 | 380 | 363 | 336 | 331 | 346 | 355 | 333 | 334 | 324 |
| Percentage of InventoryFinishedGoods | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 3.7 | 3.2 | 3.0 | 2.8 | 2.9 | 2.9 | 3.0 | 2.8 | 2.6 | 2.7 | 3.0 | 3.0 | 2.7 | 2.6 | 2.7 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 897 | 759 | 799 | 695 | 673 | 663 | 678 | 702 | 759 | 728 | 710 | 782 | 812 | 769 | 676 | 718 | 690 | 642 | 610 | 539 | 542 | 543 | 552 | 705 | 725 | 737 | 960 | 718 | 717 | 741 | 687 | 683 | 695 | 703 | 703 | 618 | 588 | 532 | 489 | 524 | 529 | 458 | 418 |
| Percentage of OtherAssetsCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 6.8 | 5.7 | 6.1 | 5.4 | 5.5 | 5.1 | 5.3 | 5.5 | 5.9 | 5.9 | 6.1 | 6.5 | 6.6 | 6.1 | 5.7 | 6.1 | 6.1 | 6.1 | 6.2 | 5.3 | 5.4 | 5.5 | 5.9 | 7.3 | 7.4 | 7.7 | 10.5 | 8.3 | 8.0 | 8.2 | 8.3 | 8.1 | 8.5 | 8.0 | 8.6 | 8.3 | 7.8 | 7.1 | 7.0 | 7.3 | 7.0 | 6.2 | 6.3 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2010-12-31 |
| Value | 111 | 111 | 114 | 111 | 109 | 107 | 113 | 113 | 115 | 114 | 116 | 115 | 115 | 120 | 118 | 119 | 117 | 102 | 101 | 104 | 104 | 105 | 97 | 116 | 116 | 115 | 105 | 111 | 115 | 112 | 113 | 115 | 113 | 112 | 114 | 106 | 102 | 107 | 106 | 107 | 113 | 106 |
| Percentage of Land | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.8 | 0.8 | 0.9 | 0.9 | 0.9 | 0.8 | 0.9 | 0.9 | 0.9 | 0.9 | 1.0 | 1.0 | 0.9 | 0.9 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.1 | 1.0 | 1.2 | 1.2 | 1.2 | 1.1 | 1.3 | 1.3 | 1.3 | 1.4 | 1.4 | 1.4 | 1.3 | 1.4 | 1.4 | 1.4 | 1.4 | 1.5 | 1.5 | 1.5 | 1.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2010-12-31 |
| Value | 4407 | 4344 | 4339 | 4124 | 3980 | 3812 | 3844 | 3698 | 3693 | 3568 | 3463 | 3324 | 3243 | 3244 | 3077 | 2939 | 2752 | 2554 | 2459 | 2423 | 2350 | 2281 | 2125 | 2051 | 2009 | 1915 | 1847 | 1835 | 1796 | 1736 | 1645 | 1549 | 1445 | 1336 | 1306 | 1264 | 1158 | 1052 | 988 | 930 | 912 | 761 |
| Percentage of MachineryAndEquipmentGross | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 33.2 | 32.4 | 32.9 | 32.0 | 32.4 | 29.3 | 30.3 | 29.0 | 28.7 | 28.9 | 29.9 | 27.7 | 26.4 | 25.6 | 25.8 | 25.1 | 24.5 | 24.1 | 24.8 | 23.6 | 23.2 | 22.9 | 22.6 | 21.3 | 20.5 | 19.9 | 20.2 | 21.1 | 20.0 | 19.3 | 19.7 | 18.3 | 17.7 | 15.1 | 15.9 | 16.9 | 15.4 | 14.0 | 14.1 | 12.9 | 12.1 | 11.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 6409 | 6381 | 6421 | 6296 | 6220 | 6113 | 6274 | 6135 | 6111 | 5764 | 5320 | 5441 | 5453 | 5581 | 5332 | 5149 | 4895 | 4371 | 4251 | 4223 | 4204 | 4183 | 4119 | 4006 | 4017 | 3976 | 3770 | 3358 | 3433 | 3437 | 3408 | 3460 | 3374 | 3287 | 3320 | 2618 | 2539 | 2291 | 2249 | 2224 | 2300 | 2312 | 2235 |
| Percentage of AssetsNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 48.3 | 47.5 | 48.7 | 48.8 | 50.7 | 46.9 | 49.5 | 48.1 | 47.6 | 46.6 | 45.9 | 45.3 | 44.4 | 44.0 | 44.6 | 44.0 | 43.6 | 41.2 | 42.9 | 41.1 | 41.5 | 42.0 | 43.8 | 41.6 | 40.9 | 41.3 | 41.2 | 38.6 | 38.3 | 38.2 | 40.9 | 40.9 | 41.3 | 37.3 | 40.5 | 35.1 | 33.8 | 30.4 | 32.1 | 30.8 | 30.5 | 31.4 | 33.8 |
| Period End | 2020-12-31 | 2019-12-31 |
| Value | 194 | 173 |
| Percentage of AssetsNoncurrent | 3.0 | 2.8 |
| Percentage of Assets | 1.5 | 1.4 |
| Percentage of Assets lear:GroupOfEquityMethodInvestments | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2010-12-31 |
| Value | 5685 | 5629 | 5645 | 5346 | 5227 | 5083 | 5170 | 4990 | 4978 | 4850 | 4778 | 4644 | 4553 | 4570 | 4349 | 4178 | 3940 | 3637 | 3505 | 3389 | 3278 | 3203 | 3059 | 2949 | 2888 | 2763 | 2662 | 2626 | 2619 | 2553 | 2445 | 2339 | 2215 | 2099 | 2035 | 1872 | 1735 | 1592 | 1504 | 1453 | 1445 | 1234 |
| Percentage of PropertyPlantAndEquipmentGross | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 42.9 | 41.9 | 42.8 | 41.5 | 42.6 | 39.0 | 40.8 | 39.1 | 38.8 | 39.2 | 41.2 | 38.7 | 37.1 | 36.0 | 36.4 | 35.7 | 35.1 | 34.3 | 35.4 | 33.0 | 32.3 | 32.2 | 32.5 | 30.6 | 29.4 | 28.7 | 29.1 | 30.2 | 29.2 | 28.4 | 29.4 | 27.6 | 27.1 | 23.8 | 24.8 | 25.1 | 23.1 | 21.1 | 21.5 | 20.1 | 19.2 | 18.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2010-12-31 |
| Value | 315 | 306 | 311 | 271 | 318 | 362 | 382 | 367 | 347 | 349 | 389 | 426 | 411 | 384 | 355 | 348 | 348 | 299 | 296 | 212 | 210 | 222 | 274 | 219 | 202 | 186 | 186 | 141 | 160 | 162 | 155 | 161 | 156 | 154 | 139 | 31 | 24 | 15 | 3.3 | 15 | 15 | 5.7 |
| Percentage of ConstructionInProgressGross | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 2.4 | 2.3 | 2.4 | 2.1 | 2.6 | 2.8 | 3.0 | 2.9 | 2.7 | 2.8 | 3.4 | 3.5 | 3.3 | 3.0 | 3.0 | 3.0 | 3.1 | 2.8 | 3.0 | 2.1 | 2.1 | 2.2 | 2.9 | 2.3 | 2.1 | 1.9 | 2.0 | 1.6 | 1.8 | 1.8 | 1.9 | 1.9 | 1.9 | 1.7 | 1.7 | 0.4 | 0.3 | 0.2 | 0.0 | 0.2 | 0.2 | 0.1 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2010-12-31 |
| Value | 2990 | 2947 | 2908 | 2718 | 2609 | 2475 | 2466 | 2391 | 2358 | 2257 | 2180 | 2108 | 2036 | 2009 | 1890 | 1800 | 1673 | 1567 | 1486 | 1468 | 1388 | 1329 | 1232 | 1167 | 1115 | 1049 | 1037 | 1012 | 965 | 918 | 858 | 799 | 733 | 676 | 632 | 572 | 513 | 485 | 432 | 395 | 360 | 239 |
| Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 22.5 | 22.0 | 22.0 | 21.1 | 21.3 | 19.0 | 19.5 | 18.7 | 18.4 | 18.3 | 18.8 | 17.6 | 16.6 | 15.8 | 15.8 | 15.4 | 14.9 | 14.8 | 15.0 | 14.3 | 13.7 | 13.3 | 13.1 | 12.1 | 11.4 | 10.9 | 11.3 | 11.6 | 10.8 | 10.2 | 10.3 | 9.4 | 9.0 | 7.7 | 7.7 | 7.7 | 6.8 | 6.4 | 6.2 | 5.5 | 4.8 | 3.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 25 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 15 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 11 | 15 | 13 | 13 | 13 | 13 | 13 | 13 | 8.3 | 8.6 | 8.3 | 8.5 | 8.6 | 8.6 | 8.6 | 8.6 | 10 | 8.3 | 7.3 | 6.9 | 6.9 | 7.1 | 7.2 | 6.8 | 6.9 | 7.0 | 6.6 | 6.7 | 4.5 |
| Percentage of AmortizationOfIntangibleAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 2695 | 2681 | 2736 | 2627 | 2618 | 2608 | 2704 | 2599 | 2620 | 2593 | 2598 | 2536 | 2516 | 2560 | 2459 | 2378 | 2266 | 2070 | 2019 | 1920 | 1890 | 1874 | 1826 | 1781 | 1772 | 1714 | 1624 | 1614 | 1654 | 1635 | 1587 | 1540 | 1481 | 1423 | 1403 | 1299 | 1222 | 1106 | 1072 | 1058 | 1084 | 1044 | 994 |
| Percentage of PropertyPlantAndEquipmentNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 20.3 | 20.0 | 20.7 | 20.4 | 21.3 | 20.0 | 21.3 | 20.4 | 20.4 | 21.0 | 22.4 | 21.1 | 20.5 | 20.2 | 20.6 | 20.3 | 20.2 | 19.5 | 20.4 | 18.7 | 18.6 | 18.8 | 19.4 | 18.5 | 18.0 | 17.8 | 17.8 | 18.6 | 18.5 | 18.2 | 19.1 | 18.2 | 18.1 | 16.1 | 17.1 | 17.4 | 16.3 | 14.7 | 15.3 | 14.7 | 14.4 | 14.2 | 15.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2009-12-31 |
| Value | 1667 | 1657 | 1655 | 1629 | 1606 | 1592 | 1614 | 1600 | 1600 | 1406 | 1405 | 1409 | 1421 | 1464 | 1401 | 1387 | 1272 | 1129 | 1121 | 1069 | 1071 | 1065 | 1053 | 1061 | 1054 | 1057 | 726 | 740 | 754 | 755 | 757 | 753 | 745 | 741 | 746 | 728 | 722 | 634 | 628 | 632 | 651 | 642 | 614 | 621 |
| Percentage of Goodwill | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 12.6 | 12.4 | 12.5 | 12.6 | 13.1 | 12.2 | 12.7 | 12.5 | 12.5 | 11.4 | 12.1 | 11.7 | 11.6 | 11.6 | 11.7 | 11.8 | 11.3 | 10.7 | 11.3 | 10.4 | 10.6 | 10.7 | 11.2 | 11.0 | 10.7 | 11.0 | 7.9 | 8.5 | 8.4 | 8.4 | 9.1 | 8.9 | 9.1 | 8.4 | 9.1 | 9.8 | 9.6 | 8.4 | 9.0 | 8.8 | 8.6 | 8.7 | 9.3 | 10.2 |
| Period End | 2020-12-31 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-04-17 |
| Value | 219 | 219 | 219 | 197 | 197 |
| Percentage of Goodwill | 13.3 | 13.6 | 13.7 | 12.3 | 0.0 |
| Percentage of Assets | 1.7 | 1.7 | 1.7 | 1.5 | 0.0 |
| Percentage of Assets lear:XevoInc. | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2019-12-31 |
| Value | 382 | 378 |
| Percentage of Goodwill | 23.5 | 23.5 |
| Percentage of Assets | 3.0 | 3.0 |
| Percentage of Assets lea:ESystemsSegment | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2019-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2010-12-31 | 2009-12-31 |
| Value | 1246 | 1235 | 1026 | 726 | 757 | 753 | 745 | 741 | 746 | 728 | 722 | 634 | 628 | 632 | 651 | 614 | 621 |
| Percentage of Goodwill | 76.5 | 76.5 | 97.4 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 9.7 | 9.7 | 10.9 | 7.9 | 9.1 | 8.9 | 9.1 | 8.4 | 9.1 | 9.8 | 9.6 | 8.4 | 9.0 | 8.8 | 8.6 | 9.3 | 10.2 |
| Percentage of Assets lea:Seating | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 15.5 | 15.7 | 15.6 | 17.2 | 16.5 | 16.3 | 14.9 | 17.0 | 16.1 | 15.9 | 17.6 | 19.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2017-12-31 | 2016-12-31 |
| Value | 406 | 404 | 387 | 377 | 376 | 378 | 377 | 358 | 164 | 161 | 160 | 126 | 30 |
| Percentage of Goodwill | 24.4 | 24.4 | 23.4 | 23.5 | 23.7 | 23.5 | 23.6 | 22.4 | 11.7 | 11.5 | 11.4 | 9.1 | 2.7 |
| Percentage of Assets | 3.1 | 3.0 | 2.9 | 3.1 | 2.9 | 3.0 | 3.0 | 2.8 | 1.3 | 1.4 | 1.3 | 1.1 | 0.3 |
| Percentage of Assets lear:ESystemsSegment | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2017-12-31 | 2016-12-31 |
| Value | 1260 | 1253 | 1268 | 1228 | 1215 | 1235 | 1223 | 1241 | 1242 | 1244 | 1249 | 1274 | 1091 |
| Percentage of Goodwill | 75.6 | 75.6 | 76.6 | 76.5 | 76.3 | 76.5 | 76.4 | 77.6 | 88.3 | 88.5 | 88.6 | 90.9 | 97.3 |
| Percentage of Assets | 9.5 | 9.3 | 9.6 | 10.0 | 9.3 | 9.7 | 9.6 | 9.7 | 10.0 | 10.7 | 10.4 | 10.7 | 11.0 |
| Percentage of Assets lear:Seating | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 368 | 423 | 396 |
| Percentage of IntangibleAssetsNetExcludingGoodwill | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 2.8 | 3.3 | 3.4 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 357 | 412 | 385 | 444 | 287 | 256 | 92 | 129 | 164 | 142 | 165 |
| Percentage of FiniteLivedIntangibleAssetsNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 2.7 | 3.3 | 3.3 | 3.7 | 2.9 | 2.7 | 1.0 | 1.6 | 2.0 | 2.0 | 2.5 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 296 | 328 | 377 | 430 | 269 | 233 | 77 | 110 | 141 | 127 | 148 |
| Percentage of FiniteLivedIntangibleAssetsNet | 82.8 | 79.7 | 97.8 | 97.0 | 94.0 | 91.2 | 83.7 | 84.8 | 85.9 | 89.8 | 89.7 |
| Percentage of Assets | 2.2 | 2.6 | 3.3 | 3.6 | 2.7 | 2.5 | 0.8 | 1.3 | 1.7 | 1.8 | 2.2 |
| Percentage of Assets us-gaap:CustomerRelationships | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 |
| Value | 47 | 64 |
| Percentage of FiniteLivedIntangibleAssetsNet | 13.3 | 15.7 |
| Percentage of Assets | 0.4 | 0.5 |
| Percentage of Assets us-gaap:LicensingAgreements | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 13 | 19 | 8.3 | 12 | 8.2 | 11 | 15 | 19 | 23 | 14 | 17 |
| Percentage of FiniteLivedIntangibleAssetsNet | 3.9 | 4.6 | 2.2 | 2.9 | 2.9 | 4.6 | 16.3 | 15.2 | 14.1 | 10.2 | 10.3 |
| Percentage of Assets | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.3 | 0.2 | 0.3 |
| Percentage of Assets us-gaap:PatentedTechnology | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 |
| Value | 585 | 477 | 445 | 555 | 459 | 600 | 750 | 639 |
| Percentage of DeferredTaxAssetsLiabilitiesNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 4.4 | 3.8 | 3.8 | 4.6 | 4.6 | 6.4 | 8.2 | 7.7 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 |
| Value | 562 | 563 | 540 | 539 | 537 | 512 | 527 | 514 | 447 | 443 |
| Percentage of OperatingLeaseRightOfUseAsset | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 4.2 | 4.2 | 4.1 | 4.2 | 4.4 | 3.9 | 4.2 | 4.0 | 3.5 | 3.6 |
| Period End | 2021-09-30 |
| Value | 110 |
| Percentage of OperatingLeaseRightOfUseAsset | 0.0 |
| Percentage of Assets | 0.0 |
| Percentage of Assets srt:ScenarioForecast | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 2047 | 2042 | 2029 | 2039 | 1995 | 1913 | 1955 | 1935 | 1890 | 1764 | 1316 | 1496 | 1515 | 1555 | 1472 | 1383 | 1356 | 1171 | 1110 | 1233 | 1242 | 1244 | 1238 | 1163 | 1190 | 1203 | 1419 | 1003 | 1024 | 1046 | 1064 | 1167 | 1148 | 1122 | 1171 | 590 | 594 | 549 | 548 | 534 | 564 | 625 | 626 |
| Percentage of OtherAssetsNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 15.4 | 15.2 | 15.4 | 15.8 | 16.3 | 14.7 | 15.4 | 15.2 | 14.7 | 14.3 | 11.4 | 12.5 | 12.3 | 12.3 | 12.3 | 11.8 | 12.1 | 11.1 | 11.2 | 12.0 | 12.3 | 12.5 | 13.2 | 12.1 | 12.1 | 12.5 | 15.5 | 11.5 | 11.4 | 11.6 | 12.8 | 13.8 | 14.1 | 12.7 | 14.3 | 7.9 | 7.9 | 7.3 | 7.8 | 7.4 | 7.5 | 8.5 | 9.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2017-12-31 |
| Value | 56 | 52 | 58 | 50 | 47 | 40 | 59 | 55 | 53 | 51 | 47 | 51 | 47 | 43 |
| Percentage of EquitySecuritiesFvNi | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2017-12-31 |
| Value | 56 | 52 | 58 | 50 | 47 | 40 | 59 | 55 | 53 | 51 | 47 | 51 | 47 | 43 |
| Percentage of EquitySecuritiesFvNi | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Percentage of Assets us-gaap:FairValueMeasurementsRecurring | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 2886 | 3132 | 3141 | 2943 | 1902 | 2496 | 2821 | 2986 | 3060 | 3094 | 2862 | 3041 | 3268 | 3483 | 3167 | 3176 | 3202 | 3043 | 2640 | 2773 | 2767 | 2790 | 2504 | 2576 | 2752 | 2761 | 2525 | 2614 | 2821 | 2882 | 2438 | 2554 | 2495 | 2491 | 2233 | 2264 | 2352 | 2355 | 2014 | 2199 | 2311 | 2246 | 1838 |
| Percentage of AccountsPayableCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 21.8 | 23.3 | 23.8 | 22.8 | 15.5 | 19.2 | 22.3 | 23.4 | 23.8 | 25.0 | 24.7 | 25.3 | 26.6 | 27.5 | 26.5 | 27.1 | 28.5 | 28.7 | 26.7 | 27.0 | 27.3 | 28.0 | 26.6 | 26.7 | 28.0 | 28.7 | 27.6 | 30.1 | 31.5 | 32.0 | 29.3 | 30.2 | 30.6 | 28.2 | 27.3 | 30.3 | 31.3 | 31.3 | 28.7 | 30.5 | 30.7 | 30.5 | 27.8 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2018-12-31 | 2011-04-02 | 2010-12-31 |
| Value | 1984 | 2031 | 1920 | 2087 | 1859 | 1826 | 1811 | 1615 | 1107 | 976 |
| Percentage of AccruedLiabilitiesCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 15.0 | 15.1 | 14.6 | 16.2 | 15.2 | 14.0 | 14.3 | 13.9 | 15.0 | 14.7 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 4875 | 5173 | 5076 | 5054 | 4786 | 5348 | 4666 | 4907 | 5027 | 4914 | 4500 | 4779 | 5050 | 5296 | 4854 | 4893 | 4942 | 4630 | 4182 | 4483 | 4431 | 4269 | 3839 | 4056 | 4174 | 4059 | 3957 | 3950 | 4144 | 4169 | 3579 | 3749 | 3592 | 3564 | 3216 | 3297 | 3378 | 3437 | 3063 | 3242 | 3386 | 3357 | 2818 |
| Percentage of LiabilitiesCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 36.8 | 38.5 | 38.5 | 39.2 | 39.0 | 41.1 | 36.8 | 38.5 | 39.1 | 39.8 | 38.8 | 39.8 | 41.1 | 41.8 | 40.6 | 41.8 | 44.0 | 43.7 | 42.2 | 43.6 | 43.7 | 42.9 | 40.8 | 42.1 | 42.5 | 42.2 | 43.3 | 45.5 | 46.2 | 46.3 | 43.0 | 44.3 | 44.0 | 40.4 | 39.3 | 44.2 | 45.0 | 45.6 | 43.7 | 44.9 | 44.9 | 45.6 | 42.6 |
| Period End | 2020-12-31 | 2019-12-31 |
| Value | 901 | 739 |
| Percentage of LiabilitiesCurrent | 17.8 | 15.8 |
| Percentage of Assets | 6.8 | 5.8 |
| Percentage of Assets lear:GroupOfEquityMethodInvestments | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2014-12-31 | 2013-12-31 |
| Value | 18 | 17 | 15 | 14 | 243 | 0.0 |
| Percentage of LongTermDebtCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| Percentage of Assets | 0.1 | 0.1 | 0.1 | 0.1 | 2.7 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2018-12-31 |
| Value | 125 | 124 | 116 | 113 | 113 | 112 | 113 | 0.0 |
| Percentage of OperatingLeaseLiabilityCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 |
| Percentage of Assets | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 1080 | 963 | 905 |
| Percentage of OtherAccruedLiabilitiesCurrent | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 8.2 | 7.6 | 7.8 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 287 | 256 | 279 |
| Percentage of TaxesPayableCurrent | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 2.2 | 2.0 | 2.4 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 3496 | 3500 | 3507 | 3444 | 3384 | 3377 | 3395 | 3323 | 3266 | 2897 | 2581 | 2632 | 2637 | 2659 | 2645 | 2644 | 2538 | 2506 | 2525 | 2551 | 2553 | 2545 | 2548 | 2657 | 2672 | 2666 | 2163 | 1584 | 1596 | 1586 | 1602 | 1794 | 1783 | 1774 | 1365 | 1362 | 1425 | 1393 | 1386 | 1230 | 1250 | 1241 | 1233 |
| Percentage of LiabilitiesNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 26.4 | 26.1 | 26.6 | 26.7 | 27.6 | 25.9 | 26.8 | 26.1 | 25.4 | 23.4 | 22.3 | 21.9 | 21.5 | 21.0 | 22.1 | 22.6 | 22.6 | 23.6 | 25.5 | 24.8 | 25.2 | 25.6 | 27.1 | 27.6 | 27.2 | 27.7 | 23.6 | 18.2 | 17.8 | 17.6 | 19.2 | 21.2 | 21.8 | 20.1 | 16.7 | 18.3 | 19.0 | 18.5 | 19.8 | 17.0 | 16.6 | 16.9 | 18.6 |
| Period End | 2020-12-31 | 2019-12-31 |
| Value | 6.2 | 6.6 |
| Percentage of LiabilitiesNoncurrent | 0.2 | 0.2 |
| Percentage of Assets | 0.0 | 0.1 |
| Percentage of Assets lear:GroupOfEquityMethodInvestments | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2014-12-31 | 2013-12-31 |
| Value | 2318 | 2319 | 2322 | 2334 | 1967 | 1973 | 1928 | 1937 | 1943 | 1950 | 1956 | 1962 | 1965 | 1475 | 1057 |
| Percentage of LongTermDebt | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 18.0 | 18.9 | 17.8 | 18.4 | 17.0 | 16.5 | 17.2 | 18.3 | 19.6 | 19.0 | 19.3 | 19.7 | 20.9 | 16.1 | 12.7 |
| Period End | 2020-10-03 | 2019-12-31 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2016-12-31 |
| Value | 224 | 233 | 245 | 246 | 248 | 467 |
| Percentage of LongTermDebt | 9.7 | 10.0 | 0.0 | 12.5 | 0.0 | 24.0 |
| Percentage of Assets | 1.7 | 1.8 | 1.9 | 2.1 | 2.1 | 4.7 |
| Percentage of Assets lea:TermLoanFacility lea:CreditAgreementTermLoanFacility lea:CreditAgreement | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2017-12-31 |
| Value | 210 | 215 | 219 | 227 | 230 | 233 | 237 | 237 | 239 | 240 | 242 | 243 | 246 |
| Percentage of LongTermDebt | 0.0 | 0.0 | 0.0 | 9.8 | 9.9 | 10.0 | 0.0 | 0.0 | 0.0 | 12.2 | 0.0 | 0.0 | 12.5 |
| Percentage of Assets | 1.6 | 1.6 | 1.7 | 1.9 | 1.8 | 1.8 | 1.9 | 1.9 | 1.9 | 2.1 | 2.0 | 2.0 | 2.1 |
| Percentage of Assets lear:TermLoanFacility lear:CreditAgreementTermLoanFacility lear:CreditAgreement | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 |
| Value | 633 |
| Percentage of LongTermDebt | 27.3 |
| Percentage of Assets | 4.9 |
| Percentage of Assets lea:SeniorNotesDueTwoThousandFortyNineIssuedTwoThousandTwenty us-gaap:SeniorNotes | 0.0 |
| Period End | 2020-10-03 |
| Value | 346 |
| Percentage of LongTermDebt | 14.9 |
| Percentage of Assets | 2.7 |
| Percentage of Assets lea:SeniorNotesDueTwoThousandThirty us-gaap:SeniorNotes | 0.0 |
| Period End | 2020-10-03 | 2019-12-31 |
| Value | 371 | 371 |
| Percentage of LongTermDebt | 16.0 | 15.9 |
| Percentage of Assets | 2.9 | 2.9 |
| Percentage of Assets lea:SeniorNotesDueTwoThousandTwentyNine us-gaap:SeniorNotes | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2019-12-31 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2016-12-31 |
| Value | 742 | 741 | 739 | 739 | 738 | 0.0 |
| Percentage of LongTermDebt | 32.0 | 31.8 | 0.0 | 37.4 | 0.0 | 0.0 |
| Percentage of Assets | 5.8 | 5.8 | 5.8 | 6.2 | 6.3 | 0.0 |
| Percentage of Assets lea:SeniorNotesDueTwoThousandTwentySeven us-gaap:SeniorNotes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2019-12-31 | 2019-09-28 | 2019-06-29 |
| Value | 632 | 632 | 632 | 316 | 316 | 316 |
| Percentage of LongTermDebt | 0.0 | 0.0 | 0.0 | 13.6 | 0.0 | 0.0 |
| Percentage of Assets | 4.8 | 4.7 | 4.8 | 2.5 | 2.5 | 2.5 |
| Percentage of Assets lear:SeniorNotesDueTwoThousandFortyNine us-gaap:SeniorNotes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2020-07-04 | 2020-04-04 |
| Value | 632 | 633 | 633 |
| Percentage of LongTermDebt | 0.0 | 27.3 | 27.3 |
| Percentage of Assets | 4.8 | 5.2 | 4.9 |
| Percentage of Assets lear:SeniorNotesDueTwoThousandFortyNineIssuedTwoThousandTwenty us-gaap:SeniorNotes | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 |
| Value | 346 | 346 | 346 | 346 | 346 |
| Percentage of LongTermDebt | 0.0 | 0.0 | 0.0 | 14.9 | 14.9 |
| Percentage of Assets | 2.6 | 2.6 | 2.6 | 2.8 | 2.7 |
| Percentage of Assets lear:SeniorNotesDueTwoThousandThirty us-gaap:SeniorNotes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 |
| Value | 371 | 371 | 371 | 371 | 371 | 371 | 370 | 370 |
| Percentage of LongTermDebt | 0.0 | 0.0 | 0.0 | 16.0 | 16.0 | 15.9 | 0.0 | 0.0 |
| Percentage of Assets | 2.8 | 2.8 | 2.8 | 3.0 | 2.8 | 2.9 | 2.9 | 2.9 |
| Percentage of Assets lear:SeniorNotesDueTwoThousandTwentyNine us-gaap:SeniorNotes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2017-12-31 |
| Value | 743 | 742 | 742 | 741 | 741 | 741 | 741 | 740 | 740 | 740 | 739 | 739 | 739 |
| Percentage of LongTermDebt | 0.0 | 0.0 | 0.0 | 32.0 | 31.9 | 31.8 | 0.0 | 0.0 | 0.0 | 37.6 | 0.0 | 0.0 | 37.4 |
| Percentage of Assets | 5.6 | 5.5 | 5.6 | 6.0 | 5.7 | 5.8 | 5.8 | 5.8 | 6.0 | 6.4 | 6.2 | 6.0 | 6.2 |
| Percentage of Assets lear:SeniorNotesDueTwoThousandTwentySeven us-gaap:SeniorNotes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 |
| Value | 2299 | 2302 | 2306 | 2293 |
| Percentage of LongTermDebtNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 17.8 | 18.8 | 17.7 | 18.1 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 |
| Value | 2306 | 2310 | 2314 | 1979 | 1982 | 1983 | 1718 |
| Percentage of DebtAndCapitalLeaseObligations | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 17.4 | 17.2 | 17.5 | 20.5 | 20.2 | 20.6 | 18.8 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2011-04-02 | 2010-12-31 |
| Value | 2301 | 2300 | 2300 | 2299 | 2302 | 2306 | 2293 | 2297 | 2300 | 1938 | 1941 | 1946 | 1948 | 1950 | 1951 | 1953 | 1877 | 1889 | 1898 | 1907 | 1916 | 1928 | 1931 | 1962 | 1969 | 1972 | 1475 | 695 | 694 |
| Percentage of LongTermDebtAndCapitalLeaseObligations | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 17.4 | 17.1 | 17.4 | 17.8 | 18.8 | 17.7 | 18.1 | 18.0 | 17.9 | 15.7 | 16.7 | 16.2 | 15.9 | 15.4 | 16.3 | 16.7 | 16.7 | 17.8 | 19.2 | 18.6 | 18.9 | 19.4 | 20.5 | 20.4 | 20.0 | 20.5 | 16.1 | 9.4 | 10.5 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 57 | 51 | 48 | 52 | 60 |
| Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.4 | 0.4 | 0.4 | 0.4 | 0.6 |
| Percentage of Assets country:US us-gaap:OtherPostretirementBenefitPlansDefinedBenefit | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 143 | 121 | 105 | 117 | 133 |
| Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent | 251.2 | 236.3 | 216.7 | 224.8 | 220.5 |
| Percentage of Assets | 1.1 | 1.0 | 0.9 | 1.0 | 1.3 |
| Percentage of Assets country:US us-gaap:PensionPlansDefinedBenefit | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 25 | 24 | 32 | 39 | 37 |
| Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent | 45.3 | 47.0 | 67.6 | 75.8 | 61.7 |
| Percentage of Assets | 0.2 | 0.2 | 0.3 | 0.3 | 0.4 |
| Percentage of Assets us-gaap:ForeignPlan us-gaap:OtherPostretirementBenefitPlansDefinedBenefit | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 152 | 128 | 111 | 119 | 113 |
| Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent | 265.9 | 248.5 | 229.7 | 227.9 | 186.8 |
| Percentage of Assets | 1.2 | 1.0 | 1.0 | 1.0 | 1.1 |
| Percentage of Assets us-gaap:ForeignPlan us-gaap:PensionPlansDefinedBenefit | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 109 | 168 | 147 | 143 | 115 | 159 | 151 | 171 | 163 | 148 | 159 | 142 | 127 | 155 | 142 | 156 | 134 | 132 | 135 | 164 | 143 | 106 | 90 | 84 | 78 | 79 | 70 | 73 | 75 | 100 | 103 | 106 | 121 | 125 | 125 | 134 | 135 | 128 | 124 | 116 | 109 | 108 | 108 |
| Percentage of MinorityInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.8 | 1.3 | 1.1 | 1.1 | 0.9 | 1.2 | 1.2 | 1.3 | 1.3 | 1.2 | 1.4 | 1.2 | 1.0 | 1.2 | 1.2 | 1.3 | 1.2 | 1.2 | 1.4 | 1.6 | 1.4 | 1.1 | 1.0 | 0.9 | 0.8 | 0.8 | 0.8 | 0.9 | 0.8 | 1.1 | 1.2 | 1.3 | 1.5 | 1.4 | 1.5 | 1.8 | 1.8 | 1.7 | 1.8 | 1.6 | 1.4 | 1.5 | 1.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 1194 | 1199 | 1206 | 1145 | 1082 | 1070 | 1101 | 1026 | 966 | 958 | 640 | 685 | 689 | 709 | 694 | 691 | 661 | 617 | 627 | 643 | 636 | 617 | 616 | 695 | 703 | 694 | 688 | 515 | 527 | 517 | 545 | 737 | 726 | 717 | 738 | 736 | 729 | 698 | 690 | 534 | 555 | 546 | 538 |
| Percentage of OtherLiabilitiesNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 9.0 | 8.9 | 9.1 | 8.9 | 8.8 | 8.2 | 8.7 | 8.0 | 7.5 | 7.8 | 5.5 | 5.7 | 5.6 | 5.6 | 5.8 | 5.9 | 5.9 | 5.8 | 6.3 | 6.3 | 6.3 | 6.2 | 6.6 | 7.2 | 7.2 | 7.2 | 7.5 | 5.9 | 5.9 | 5.8 | 6.5 | 8.7 | 8.9 | 8.1 | 9.0 | 9.9 | 9.7 | 9.3 | 9.9 | 7.4 | 7.4 | 7.4 | 8.1 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 |
| Value | 451 | 452 | 438 | 439 | 434 | 405 | 422 |
| Percentage of OperatingLeaseLiabilityNoncurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 3.4 | 3.4 | 3.3 | 3.4 | 3.5 | 3.1 | 3.3 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 |
| Value | 100 | 94 | 111 | 103 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.8 | 0.7 | 0.8 | 0.8 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 |
| Value | 83 | 78 | 85 | 81 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.6 | 0.6 | 0.7 | 0.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 |
| Value | 68 | 65 | 71 | 67 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.5 | 0.5 | 0.5 | 0.5 |
| Period End | 2020-12-31 |
| Value | 58 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive | 100.0 |
| Percentage of Assets | 0.4 |
| Period End | 2020-12-31 |
| Value | 169 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive | 100.0 |
| Percentage of Assets | 1.3 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 |
| Value | 576 | 577 | 555 | 552 | 547 | 517 | 536 | 521 | 455 | 449 |
| Percentage of OperatingLeaseLiability | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 4.3 | 4.3 | 4.2 | 4.3 | 4.5 | 4.0 | 4.2 | 4.1 | 3.5 | 3.6 |
| Period End | 2021-09-30 |
| Value | 112 |
| Percentage of OperatingLeaseLiability | 0.0 |
| Percentage of Assets | 0.0 |
| Percentage of Assets srt:ScenarioForecast | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 |
| Value | 655 | 655 | 638 | 638 |
| Percentage of LesseeOperatingLeaseLiabilityPaymentsDue | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 4.9 | 4.9 | 4.8 | 5.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 |
| Value | 78 | 77 | 83 | 86 |
| Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.6 | 0.6 | 0.6 | 0.7 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 4782 | 4580 | 4467 | 4132 | 3867 | 4023 | 4349 | 4203 | 4236 | 4245 | 4200 | 4292 | 4299 | 4399 | 4150 | 3871 | 3621 | 3331 | 3057 | 3078 | 3012 | 3037 | 2927 | 2840 | 2899 | 2812 | 2958 | 3081 | 3145 | 3142 | 3045 | 2813 | 2669 | 3360 | 3487 | 2667 | 2565 | 2577 | 2436 | 2626 | 2792 | 2655 | 2460 |
| Percentage of StockholdersEquity | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 36.1 | 34.1 | 33.8 | 32.1 | 31.5 | 30.9 | 34.3 | 33.0 | 33.0 | 34.3 | 36.2 | 35.7 | 35.0 | 34.7 | 34.7 | 33.1 | 32.2 | 31.4 | 30.9 | 30.0 | 29.7 | 30.5 | 31.1 | 29.5 | 29.5 | 29.2 | 32.3 | 35.5 | 35.1 | 34.9 | 36.6 | 33.2 | 32.7 | 38.1 | 42.6 | 35.7 | 34.2 | 34.2 | 34.8 | 36.4 | 37.0 | 36.1 | 37.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | 2009-11-07 |
| Value | 4892 | 4748 | 4614 | 4276 | 3983 | 4183 | 4501 | 4375 | 4399 | 4393 | 4360 | 4435 | 4427 | 4554 | 4292 | 4027 | 3756 | 3463 | 3192 | 3243 | 3156 | 3144 | 3017 | 2924 | 2978 | 2891 | 3029 | 3155 | 3221 | 3242 | 3149 | 2920 | 2790 | 3485 | 3612 | 2802 | 2700 | 2705 | 2561 | 2743 | 2901 | 2763 | 2568 | 2538 | 2322 | 2241 | 2181 | 2189 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 36.9 | 35.4 | 35.0 | 33.2 | 32.5 | 32.1 | 35.5 | 34.3 | 34.2 | 35.5 | 37.6 | 36.9 | 36.0 | 35.9 | 35.9 | 34.4 | 33.4 | 32.7 | 32.2 | 31.6 | 31.1 | 31.6 | 32.1 | 30.3 | 30.3 | 30.1 | 33.1 | 36.3 | 35.9 | 36.0 | 37.8 | 34.5 | 34.2 | 39.5 | 44.1 | 37.6 | 36.0 | 35.9 | 36.5 | 38.0 | 38.5 | 37.5 | 38.8 | 38.2 | 36.8 | 0.0 | 35.9 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2017-12-31 |
| Value | -0.8 | -0.8 | 2.3 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -0.0 | -0.0 | 0.1 |
| Percentage of Assets | -0.0 | -0.0 | 0.0 |
| Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2017-12-31 |
| Value | -0.8 | -0.8 | 2.3 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -0.0 | -0.0 | 0.1 |
| Percentage of Assets | -0.0 | -0.0 | 0.0 |
| Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:Parent | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 |
| Value | -276.3 | -275.6 | -276.9 | -211.7 | -208.7 | -217.6 | -172.8 | -184.0 | -192.8 | -194.6 | -219.2 | -104.5 | -249.9 | -239.1 | -57.4 | 9.2 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -5.6 | -5.8 | -6.0 | -5.3 | -5.0 | -4.8 | -4.0 | -4.3 | -6.0 | -6.4 | -7.2 | -3.3 | -6.9 | -9.3 | -2.2 | 0.4 |
| Percentage of Assets | -2.1 | -2.1 | -2.1 | -1.7 | -1.6 | -1.7 | -1.5 | -1.5 | -1.9 | -2.1 | -2.4 | -1.3 | -3.0 | -3.4 | -0.9 | 0.2 |
| Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2013-12-31 |
| Value | -230.4 | -211.7 | -208.7 | -217.6 | -177.0 | -173.9 | -172.5 | -172.8 | -178.2 | -178.4 | -181.7 | -184.0 | -195.8 | -194.0 | -192.1 | -192.8 | -194.8 | -196.3 | -197.4 | -194.6 | -204.5 | -209.2 | -211.5 | -219.2 | -104.5 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -5.4 | -5.3 | -5.0 | -4.8 | -4.0 | -4.0 | -3.9 | -4.0 | -4.0 | -4.0 | -4.0 | -4.3 | -4.9 | -5.2 | -5.5 | -6.0 | -6.0 | -6.2 | -6.3 | -6.4 | -7.0 | -7.0 | -7.3 | -7.2 | -3.3 |
| Percentage of Assets | -1.8 | -1.7 | -1.6 | -1.7 | -1.4 | -1.4 | -1.4 | -1.5 | -1.5 | -1.5 | -1.4 | -1.5 | -1.7 | -1.7 | -1.8 | -1.9 | -1.9 | -1.9 | -2.0 | -2.1 | -2.1 | -2.1 | -2.2 | -2.4 | -1.3 |
| Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2013-12-31 |
| Value | -577.6 | -660.9 | -729.3 | -564.9 | -638.8 | -523.1 | -530.0 | -523.3 | -501.4 | -430.6 | -213.6 | -306.5 | -353.1 | -440.2 | -548.0 | -597.7 | -459.4 | -467.4 | -426.5 | -496.8 | -434.4 | -359.6 | -390.8 | -249.6 | -56.3 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -13.5 | -16.6 | -17.4 | -12.6 | -14.6 | -11.9 | -12.1 | -12.0 | -11.3 | -9.7 | -4.7 | -7.1 | -8.8 | -11.7 | -15.8 | -18.7 | -14.2 | -14.8 | -13.6 | -16.5 | -14.9 | -12.1 | -13.5 | -8.2 | -1.8 |
| Percentage of Assets | -4.5 | -5.4 | -5.6 | -4.5 | -5.0 | -4.1 | -4.3 | -4.5 | -4.2 | -3.5 | -1.7 | -2.6 | -3.0 | -3.9 | -5.2 | -6.0 | -4.5 | -4.6 | -4.3 | -5.3 | -4.5 | -3.7 | -4.1 | -2.7 | -0.7 |
| Percentage of Assets us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 |
| Value | -31.7 | -50.4 | -111.3 | 9.8 | -13.5 | -1.2 | -9.0 | -9.7 | 23 | -18.7 | 14 | -22.9 | 12 | 22 | 7.0 | -45.1 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -0.7 | -1.3 | -2.7 | 0.2 | -0.3 | -0.0 | -0.2 | -0.2 | 0.5 | -0.4 | 0.3 | -0.5 | 0.3 | 0.6 | 0.2 | -1.4 |
| Percentage of Assets | -0.2 | -0.4 | -0.9 | 0.1 | -0.1 | -0.0 | -0.1 | -0.1 | 0.2 | -0.2 | 0.1 | -0.2 | 0.1 | 0.2 | 0.1 | -0.5 |
| Percentage of Assets us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 20 | 9.6 | 12 | -50.4 | -111.3 | 9.8 | -9.7 | -22.9 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 0.4 | 0.2 | 0.3 | -1.3 | -2.7 | 0.2 | -0.2 | -0.5 |
| Percentage of Assets | 0.2 | 0.1 | 0.1 | -0.4 | -0.9 | 0.1 | -0.1 | -0.2 |
| Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 |
| Value | -727.8 | -790.4 | -705.1 | -839.7 | -923.0 | -1049.3 | -772.7 | -829.3 | -698.2 | -711.5 | -705.8 | -655.9 | -627.7 | -380.8 | -513.4 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -14.9 | -16.6 | -15.3 | -19.6 | -23.2 | -25.1 | -17.2 | -19.0 | -15.9 | -16.2 | -16.2 | -14.8 | -14.2 | -8.4 | -12.0 |
| Percentage of Assets | -5.5 | -5.9 | -5.3 | -6.5 | -7.5 | -8.1 | -6.1 | -6.5 | -5.4 | -5.8 | -6.1 | -5.5 | -5.1 | -3.0 | -4.3 |
| Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 |
| Value | -471.7 | -524.4 | -440.8 | -660.9 | -729.3 | -564.9 | -523.3 | -306.5 | -597.7 | -496.8 | -249.6 | -56.3 | -53.6 | -55.3 | -19.3 | -10.5 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -9.6 | -11.0 | -9.6 | -16.6 | -17.4 | -12.6 | -12.0 | -7.1 | -18.7 | -16.5 | -8.2 | -1.8 | -1.5 | -2.2 | -0.8 | -0.5 |
| Percentage of Assets | -3.6 | -3.9 | -3.3 | -5.4 | -5.6 | -4.5 | -4.5 | -2.6 | -6.0 | -5.3 | -2.7 | -0.7 | -0.7 | -0.8 | -0.3 | -0.2 |
| Percentage of Assets us-gaap:AccumulatedTranslationAdjustment | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2009-11-07 |
| Value | 973 | 964 | 963 | 957 | 955 | 946 | 969 | 963 | 965 | 961 | 1017 | 1176 | 1166 | 1156 | 1215 | 1385 | 1451 | 1475 | 1652 | 2155 | 2150 | 2116 | 1685 | 1635 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 19.9 | 20.3 | 20.9 | 22.4 | 24.0 | 22.6 | 21.5 | 22.0 | 21.9 | 21.9 | 23.3 | 26.5 | 26.4 | 25.4 | 28.3 | 43.4 | 48.1 | 48.7 | 52.5 | 59.7 | 84.0 | 82.4 | 77.2 | 74.7 |
| Percentage of Assets | 7.3 | 7.2 | 7.3 | 7.4 | 7.8 | 7.3 | 7.6 | 7.6 | 7.5 | 7.8 | 8.8 | 9.8 | 9.5 | 9.1 | 10.2 | 14.0 | 15.4 | 16.1 | 19.8 | 26.3 | 30.7 | 32.0 | 27.8 | 0.0 |
| Percentage of Assets us-gaap:AdditionalPaidInCapital | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | -839.7 | -923.0 | -1049.3 | -829.3 | -698.2 | -711.5 | -655.9 | -627.7 | -380.8 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -19.6 | -23.2 | -25.1 | -19.0 | -15.9 | -16.2 | -14.8 | -14.2 | -8.4 |
| Percentage of Assets | -6.5 | -7.5 | -8.1 | -6.5 | -5.4 | -5.8 | -5.5 | -5.1 | -3.0 |
| Percentage of Assets us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2009-11-07 |
| Value | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 | 0.8 | 0.9 | 1.1 | 1.1 | 1.1 | 0.7 | 0.7 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:CommonStock | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | 2009-11-07 |
| Value | 109 | 168 | 147 | 143 | 115 | 159 | 151 | 171 | 163 | 148 | 159 | 142 | 127 | 155 | 142 | 156 | 134 | 132 | 135 | 164 | 143 | 106 | 90 | 84 | 78 | 79 | 70 | 75 | 100 | 103 | 106 | 121 | 125 | 125 | 134 | 135 | 128 | 124 | 116 | 109 | 108 | 108 | 103 | 108 | 106 | 92 | 103 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 2.2 | 3.6 | 3.2 | 3.4 | 2.9 | 3.8 | 3.4 | 3.9 | 3.7 | 3.4 | 3.7 | 3.2 | 2.9 | 3.4 | 3.3 | 3.9 | 3.6 | 3.8 | 4.3 | 5.1 | 4.5 | 3.4 | 3.0 | 2.9 | 2.6 | 2.8 | 2.3 | 2.3 | 3.1 | 3.3 | 3.6 | 4.3 | 3.6 | 3.5 | 4.8 | 5.0 | 4.7 | 4.9 | 4.3 | 3.8 | 3.9 | 4.2 | 4.1 | 4.7 | 4.8 | 4.2 | 4.7 |
| Percentage of Assets | 0.8 | 1.3 | 1.1 | 1.1 | 0.9 | 1.2 | 1.2 | 1.3 | 1.3 | 1.2 | 1.4 | 1.2 | 1.0 | 1.2 | 1.2 | 1.3 | 1.2 | 1.2 | 1.4 | 1.6 | 1.4 | 1.1 | 1.0 | 0.9 | 0.8 | 0.8 | 0.8 | 0.8 | 1.1 | 1.2 | 1.3 | 1.5 | 1.4 | 1.5 | 1.8 | 1.8 | 1.7 | 1.8 | 1.6 | 1.4 | 1.5 | 1.6 | 1.6 | 1.7 | 0.0 | 1.5 | 0.0 |
| Percentage of Assets us-gaap:NoncontrollingInterest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 | 2009-11-07 |
| Value | 4782 | 4580 | 4467 | 4132 | 3867 | 4023 | 4349 | 4203 | 4236 | 4245 | 4200 | 4292 | 4299 | 4399 | 4150 | 3871 | 3621 | 3331 | 3057 | 3078 | 3012 | 3037 | 2927 | 2840 | 2899 | 2812 | 2958 | 3145 | 3142 | 3045 | 2813 | 2669 | 3360 | 3487 | 2667 | 2565 | 2577 | 2436 | 2626 | 2792 | 2655 | 2460 | 2434 | 2214 | 2134 | 2089 | 2086 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 97.8 | 96.4 | 96.8 | 96.6 | 97.1 | 96.2 | 96.6 | 96.1 | 96.3 | 96.6 | 96.3 | 96.8 | 97.1 | 96.6 | 96.7 | 96.1 | 96.4 | 96.2 | 95.7 | 94.9 | 95.5 | 96.6 | 97.0 | 97.1 | 97.4 | 97.2 | 97.7 | 97.7 | 96.9 | 96.7 | 96.4 | 95.7 | 96.4 | 96.5 | 95.2 | 95.0 | 95.3 | 95.1 | 95.7 | 96.2 | 96.1 | 95.8 | 95.9 | 95.3 | 95.2 | 95.8 | 95.3 |
| Percentage of Assets | 36.1 | 34.1 | 33.8 | 32.1 | 31.5 | 30.9 | 34.3 | 33.0 | 33.0 | 34.3 | 36.2 | 35.7 | 35.0 | 34.7 | 34.7 | 33.1 | 32.2 | 31.4 | 30.9 | 30.0 | 29.7 | 30.5 | 31.1 | 29.5 | 29.5 | 29.2 | 32.3 | 35.1 | 34.9 | 36.6 | 33.2 | 32.7 | 38.1 | 42.6 | 35.7 | 34.2 | 34.2 | 34.8 | 36.4 | 37.0 | 36.1 | 37.2 | 36.7 | 35.1 | 0.0 | 34.4 | 0.0 |
| Percentage of Assets us-gaap:Parent | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 |
| Value | 5155 | 4995 | 4806 | 4620 | 4447 | 4741 | 4715 | 4608 | 4435 | 4300 | 4113 | 4953 | 4750 | 4474 | 4171 | 3706 | 2827 | 2161 | 1920 | 2149 | 922 | 434 | -3.8 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 105.4 | 105.2 | 104.2 | 108.1 | 111.6 | 113.4 | 104.8 | 105.3 | 100.8 | 97.9 | 94.3 | 111.7 | 107.3 | 98.2 | 97.2 | 116.1 | 93.7 | 71.4 | 61.0 | 59.5 | 36.0 | 16.9 | -0.2 |
| Percentage of Assets | 38.9 | 37.2 | 36.4 | 35.8 | 36.2 | 36.4 | 37.2 | 36.1 | 34.5 | 34.8 | 35.5 | 41.2 | 38.7 | 35.3 | 34.9 | 37.4 | 30.1 | 23.6 | 23.1 | 26.2 | 13.2 | 6.6 | -0.1 |
| Percentage of Assets us-gaap:RetainedEarnings | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | -618.6 | -589.6 | -598.6 | -606.3 | -612.6 | -615.6 | -563.1 | -539.0 | -466.6 | -305.6 | -225.1 | -1181.7 | -989.9 | -851.7 | -724.1 | -1200.2 | -623.0 | -176.9 | -362.1 | -517.9 | -305.6 | -13.4 |
| Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | -12.6 | -12.4 | -13.0 | -14.2 | -15.4 | -14.7 | -12.5 | -12.3 | -10.6 | -7.0 | -5.2 | -26.6 | -22.4 | -18.7 | -16.9 | -37.6 | -20.6 | -5.8 | -11.5 | -14.3 | -11.9 | -0.5 |
| Percentage of Assets | -4.7 | -4.4 | -4.5 | -4.7 | -5.0 | -4.7 | -4.4 | -4.2 | -3.6 | -2.5 | -1.9 | -9.8 | -8.1 | -6.7 | -6.1 | -12.1 | -6.6 | -1.9 | -4.3 | -6.3 | -4.4 | -0.2 |
| Percentage of Assets us-gaap:TreasuryStock | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 600000.0 | 700000.0 | 700000.0 | 700000.0 | 700000.0 | 700000.0 | 700000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 800000.0 | 900000.0 | 900000.0 | 900000.0 | 900000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 | 1100000.0 |
| Percentage of CommonStockValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 973 | 964 | 963 | 957 | 955 | 946 | 969 | 963 | 965 | 961 | 1017 | 1176 | 1166 | 1156 | 1215 | 1199 | 1186 | 1324 | 1385 | 1377 | 1364 | 1346 | 1451 | 1433 | 1421 | 1404 | 1475 | 1613 | 1600 | 1634 | 1652 | 2023 | 2010 | 2155 | 2155 | 2167 | 2167 | 2158 | 2150 | 2145 | 2133 | 2125 | 2116 |
| Percentage of AdditionalPaidInCapital | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 7.3 | 7.2 | 7.3 | 7.4 | 7.8 | 7.3 | 7.6 | 7.6 | 7.5 | 7.8 | 8.8 | 9.8 | 9.5 | 9.1 | 10.2 | 10.2 | 10.6 | 12.5 | 14.0 | 13.4 | 13.5 | 13.5 | 15.4 | 14.9 | 14.5 | 14.6 | 16.1 | 18.6 | 17.9 | 18.2 | 19.8 | 23.9 | 24.6 | 24.4 | 26.3 | 29.0 | 28.9 | 28.6 | 30.7 | 29.7 | 28.3 | 28.9 | 32.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 5155 | 4995 | 4806 | 4620 | 4447 | 4741 | 4715 | 4608 | 4435 | 4300 | 4113 | 4953 | 4750 | 4474 | 4171 | 3810 | 3572 | 4031 | 3706 | 3503 | 3310 | 3050 | 2827 | 2612 | 2450 | 2288 | 2161 | 2280 | 2156 | 2025 | 1920 | 2462 | 2364 | 2241 | 2149 | 1280 | 1173 | 1042 | 922 | 828 | 741 | 577 | 434 |
| Percentage of RetainedEarningsAccumulatedDeficit | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 38.9 | 37.2 | 36.4 | 35.8 | 36.2 | 36.4 | 37.2 | 36.1 | 34.5 | 34.8 | 35.5 | 41.2 | 38.7 | 35.3 | 34.9 | 32.5 | 31.8 | 38.0 | 37.4 | 34.1 | 32.6 | 30.6 | 30.1 | 27.1 | 24.9 | 23.8 | 23.6 | 26.2 | 24.1 | 22.5 | 23.1 | 29.1 | 28.9 | 25.4 | 26.2 | 17.2 | 15.6 | 13.8 | 13.2 | 11.5 | 9.8 | 7.8 | 6.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | -727.8 | -790.4 | -705.1 | -839.7 | -923.0 | -1049.3 | -772.7 | -829.3 | -698.2 | -711.5 | -705.8 | -655.9 | -627.7 | -380.8 | -513.4 | -536.8 | -611.3 | -733.1 | -835.6 | -703.5 | -713.8 | -660.6 | -730.1 | -686.4 | -600.2 | -629.8 | -502.0 | -267.5 | -169.1 | -175.1 | -166.1 | -320.9 | -352.5 | -323.4 | -300.8 | -298.3 | -343.3 | -265.1 | -332.0 | -137.5 | 32 | -6.2 | -78.0 |
| Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | -5.5 | -5.9 | -5.3 | -6.5 | -7.5 | -8.1 | -6.1 | -6.5 | -5.4 | -5.8 | -6.1 | -5.5 | -5.1 | -3.0 | -4.3 | -4.6 | -5.4 | -6.9 | -8.4 | -6.8 | -7.0 | -6.6 | -7.8 | -7.1 | -6.1 | -6.5 | -5.5 | -3.1 | -1.9 | -1.9 | -2.0 | -3.8 | -4.3 | -3.7 | -3.7 | -4.0 | -4.6 | -3.5 | -4.7 | -1.9 | 0.4 | -0.1 | -1.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 618 | 589 | 598 | 606 | 612 | 615 | 563 | 539 | 466 | 305 | 225 | 1181 | 989 | 851 | 724 | 602 | 527 | 1292 | 1200 | 1099 | 949 | 700 | 623 | 519 | 373 | 251 | 176 | 544 | 443 | 343 | 362 | 1353 | 1353 | 714 | 517 | 483 | 433 | 359 | 305 | 210 | 115 | 41 | 13 |
| Percentage of TreasuryStockValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 4.7 | 4.4 | 4.5 | 4.7 | 5.0 | 4.7 | 4.4 | 4.2 | 3.6 | 2.5 | 1.9 | 9.8 | 8.1 | 6.7 | 6.1 | 5.1 | 4.7 | 12.2 | 12.1 | 10.7 | 9.4 | 7.0 | 6.6 | 5.4 | 3.8 | 2.6 | 1.9 | 6.3 | 4.9 | 3.8 | 4.3 | 16.0 | 16.6 | 8.1 | 6.3 | 6.5 | 5.8 | 4.8 | 4.4 | 2.9 | 1.5 | 0.6 | 0.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 |
| Value | 109 | 168 | 147 | 143 | 115 | 159 | 151 | 171 | 163 | 148 | 159 | 142 | 127 | 155 | 142 | 156 | 134 | 132 | 135 | 164 | 143 | 106 | 90 | 84 | 78 | 79 | 70 | 73 | 75 | 100 | 103 | 106 | 121 | 125 | 125 | 134 | 135 | 128 | 124 | 116 | 109 | 108 | 108 |
| Percentage of MinorityInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.8 | 1.3 | 1.1 | 1.1 | 0.9 | 1.2 | 1.2 | 1.3 | 1.3 | 1.2 | 1.4 | 1.2 | 1.0 | 1.2 | 1.2 | 1.3 | 1.2 | 1.2 | 1.4 | 1.6 | 1.4 | 1.1 | 1.0 | 0.9 | 0.8 | 0.8 | 0.8 | 0.9 | 0.8 | 1.1 | 1.2 | 1.3 | 1.5 | 1.4 | 1.5 | 1.8 | 1.8 | 1.7 | 1.8 | 1.6 | 1.4 | 1.5 | 1.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-10-02 | 2010-07-03 |
| Value | 12 | 17 | 14 | 9.1 | 12 | 3.9 | 7.3 | 1.7 | 4.8 | 9.5 | 47 | 12 | 12 | -31.2 | 61 | 14 | 19 | -25.8 | 61 | 15 | 18 | -27.7 | 16 | 13 | 18 | -33.5 | 17 | 14 | 16 | 0.3 | 19 | 14 | 14 | 7.4 | 4.0 | 8.8 | 5.2 | 8.8 | -4.3 | 10 | 7.5 | 8.1 | 4.0 | 4.3 |
| Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 12 | 17 | 14 | 9.1 | 12 | 3.9 | 7.3 | 1.7 | 4.8 | 9.5 | 0.7 | 13 | 13 | 13 |
| Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 1.5 | 109.7 | 111.2 | -42.3 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:AdditionalPaidInCapital | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-10-02 | 2010-07-03 |
| Value | 12 | 17 | 14 | 9.1 | 12 | 3.9 | 7.3 | 1.7 | 4.8 | 9.5 | 47 | 12 | 12 | -31.2 | 61 | 14 | 19 | -25.8 | 61 | 15 | 18 | -27.7 | 16 | 13 | 18 | -33.5 | 17 | 14 | 16 | 0.3 | 19 | 14 | 14 | 7.4 | 4.0 | 8.8 | 5.2 | 8.8 | -4.3 | 10 | 7.5 | 8.1 | 4.0 | 4.3 |
| Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:Parent | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-10-02 | 2010-07-03 |
| Value | 21 | 0.2 | 69 | 0.0 | 42 | 2.4 | -0.1 | 31 | 10 | 0.1 | 39 | 19 | 33 | 0.7 | 15 | 17 | 28 | 0.4 | 12 | 13 | 4.3 | 11 | 0.1 | 8.4 | 10 | 1.0 | 5.8 | 10 | 18 | 9.5 | 3.9 | 18 | 0.0 | 1.1 | 3.2 | 0.0 | 0.3 | 8.2 | 10.0 | 9.3 | 4.6 |
| Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-10-02 | 2010-07-03 |
| Value | 21 | 0.2 | 69 | 0.0 | 42 | 2.4 | -0.1 | 31 | 10 | 0.1 | 39 | 19 | 33 | 0.7 | 15 | 17 | 28 | 0.4 | 12 | 13 | 4.3 | 11 | 0.1 | 8.4 | 10 | 1.0 | 5.8 | 10 | 18 | 9.5 | 3.9 | 18 | 0.0 | 1.1 | 3.2 | 0.0 | 0.3 | 8.2 | 10.0 | 9.3 | 4.6 |
| Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of Assets us-gaap:NoncontrollingInterest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 260 | 247 | 400 | 564 | -524.5 | 222 | 485 | 343 | 404 | 51 | 758 | 267 | 516 | 236 | 598 | 339 | 566 | 278 | 525 | 276 | 529 | 288 | 585 | 278 | 474 | -66.6 | 516 | 236 | 390 | 164 | 201 | 63 | 369 | 200 | 155 | 4.2 | 273 | 155 | 206 | 154 | 237 | 118 | 227 | 38 | 324 |
| Percentage of NetCashProvidedByUsedInOperatingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 5.5 | 4.6 | 7.6 | 11.5 | -21.5 | 5.0 | 10.1 | 7.1 | 8.1 | 1.0 | 15.3 | 5.5 | 9.3 | 4.1 | 11.2 | 6.8 | 11.1 | 5.6 | 11.3 | 6.1 | 11.2 | 6.2 | 12.4 | 6.4 | 10.2 | -1.5 | 11.3 | 5.6 | 9.2 | 4.2 | 4.9 | 1.6 | 9.9 | 5.7 | 4.2 | 0.1 | 7.8 | 4.5 | 5.6 | 4.4 | 7.5 | 4.2 | 7.5 | 1.3 | 20.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | -140.3 | -142.9 | -171.7 | -121.1 | -85.9 | -90.1 | -183.1 | -159.2 | -463.5 | -116.6 | -182.3 | -153.9 | -169.2 | -188.1 | -168.5 | -133.8 | -437.6 | -128.7 | -388.6 | -117.3 | -41.3 | -89.9 | -161.7 | -133.7 | -105.7 | -564.2 | -490.8 | -85.8 | -122.5 | -102.7 | -138.4 | -40.3 | -151.8 | -114.2 | -357.5 | -64.4 | -78.4 | -89.3 | -58.4 | -77.1 | -78.9 | -39.4 | -43.1 | -30.7 | -39.5 |
| Percentage of NetCashProvidedByUsedInInvestingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -2.9 | -2.7 | -3.3 | -2.5 | -3.5 | -2.0 | -3.8 | -3.3 | -9.3 | -2.3 | -3.7 | -3.1 | -3.0 | -3.3 | -3.1 | -2.7 | -8.5 | -2.6 | -8.4 | -2.6 | -0.9 | -1.9 | -3.4 | -3.1 | -2.3 | -12.5 | -10.8 | -2.0 | -2.9 | -2.6 | -3.4 | -1.0 | -4.1 | -3.2 | -9.8 | -1.8 | -2.2 | -2.6 | -1.6 | -2.2 | -2.5 | -1.4 | -1.4 | -1.0 | -2.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | -102.60000000000001 | -29.7 | -199.9 | -1013.1 | -49.3 | 850 | -125.4 | -131.2 | 129 | -234.7 | -277.3 | -246.1 | -234.5 | -272.6 | -196.2 | -128.9 | -191.6 | -225.3 | -173.5 | -215.5 | -252.4 | -231.5 | -135.4 | -179.5 | -155.9 | 314 | 210 | -131.1 | -25.0 | -34.2 | -828.5 | 189 | -90.8 | -152.9 | -79.7 | -72.7 | -107.8 | -111.5 | -99.8 | -53.2 | -12.3 | -36.8 | -29.1 | -242.5 | 30 |
| Percentage of NetCashProvidedByUsedInFinancingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -2.2 | -0.6 | -3.8 | -20.7 | -2.0 | 19.1 | -2.6 | -2.7 | 2.6 | -4.5 | -5.6 | -5.0 | -4.2 | -4.8 | -3.7 | -2.6 | -3.7 | -4.5 | -3.7 | -4.8 | -5.3 | -5.0 | -2.9 | -4.1 | -3.4 | 7.0 | 4.6 | -3.1 | -0.6 | -0.9 | -20.1 | 4.8 | -2.4 | -4.3 | -2.2 | -2.0 | -3.1 | -3.2 | -2.7 | -1.5 | -0.4 | -1.3 | -1.0 | -8.3 | 1.9 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 |
| Value | 26 | 64 | 56 | -554.9 | -648.8 | 951 | 187 | 32 | 70 | -298.9 | 294 | -141.9 | 72 | -205.9 | 246 | 87 | -43.0 | -61.9 |
| Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 0.6 | 1.2 | 1.1 | -11.3 | -26.5 | 21.3 | 3.9 | 0.7 | 1.4 | -5.8 | 6.0 | -2.9 | 1.3 | -3.6 | 4.6 | 1.7 | -0.8 | -1.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 150 | 140 | 142 | 136 | 130 | 130 | 129 | 128 | 128 | 123 | 122 | 119 | 121 | 120 | 114 | 111 | 104 | 96 | 94 | 98 | 94 | 90 | 90 | 88 | 84 | 84 | 78 | 79 | 78 | 74 | 77 | 72 | 69 | 66 | 65 | 63 | 56 | 53 | 57 | 63 | 64 | 61 | 61 | 58 | 57 | 58 | 39 |
| Percentage of DepreciationDepletionAndAmortization | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 |
| Value | 3.7 | 3.9 | 3.6 | 3.8 | 3.7 | 3.7 | 3.6 | 3.4 | 3.3 | 3.0 | 2.8 | 2.5 | 2.4 | 2.2 |
| Percentage of DepreciationDepletionAndAmortization | 2.7 | 3.0 | 3.0 | 3.3 | 3.3 | 3.5 | 3.7 | 3.6 | 3.3 | 3.2 | 3.1 | 2.8 | 2.7 | 2.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 3.8 | 3.8 | 3.9 | 3.9 | 4.1 | 3.9 | 4.0 | 3.9 | 4.0 | 3.6 | 3.5 | 3.6 | 3.8 | 3.7 | 3.7 |
| Percentage of DepreciationDepletionAndAmortization | 2.5 | 2.7 | 3.0 | 3.0 | 3.2 | 3.0 | 3.1 | 3.2 | 3.3 | 3.0 | 2.9 | 3.0 | 3.3 | 3.3 | 3.5 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 |
| Value | 44 | 42 | 36 | 34 | 31 | 29 | 28 | 27 | 27 | 26 | 26 | 25 | 25 |
| Percentage of DepreciationDepletionAndAmortization | 32.9 | 33.1 | 30.4 | 30.0 | 28.0 | 28.1 | 29.2 | 28.6 | 27.9 | 28.5 | 28.9 | 28.4 | 28.9 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 |
| Value | 87 | 82 | 80 | 76 | 76 | 71 | 65 | 64 | 67 | 64 | 61 | 62 | 60 | 58 | 58 | 51 | 50 | 50 | 47 | 47 | 46 | 44 | 42 |
| Percentage of DepreciationDepletionAndAmortization | 64.4 | 63.9 | 66.6 | 66.6 | 68.7 | 68.4 | 67.1 | 67.8 | 68.8 | 68.4 | 68.0 | 68.8 | 68.4 | 69.0 | 69.0 | 65.3 | 63.6 | 64.5 | 63.9 | 62.0 | 64.1 | 63.9 | 64.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 56 | 46 | 42 | 43 | 42 | 42 | 40 | 36 | 36 | 36 | 36 | 36 | 34 | 31 | 29 |
| Percentage of DepreciationDepletionAndAmortization | 37.5 | 33.1 | 32.7 | 33.0 | 33.1 | 33.1 | 31.9 | 29.8 | 29.9 | 30.1 | 30.3 | 30.4 | 30.0 | 28.0 | 28.1 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 90 | 90 | 83 | 83 | 82 | 82 | 83 | 82 | 82 | 80 | 81 | 80 | 76 | 76 | 71 |
| Percentage of DepreciationDepletionAndAmortization | 60.0 | 64.2 | 64.3 | 64.0 | 63.8 | 63.9 | 65.0 | 67.1 | 66.9 | 66.9 | 66.8 | 66.6 | 66.6 | 68.7 | 68.4 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | -275.2 | 42 | 90 | 990 | -619.2 | -247.6 | -214.3 | 12 | -43.3 | 239 | -166.1 | -186.3 | -74.8 | 227 | -50.3 | -144.7 | 15 | 374 | -46.0 | 1.9 | -39.1 | 240 | -27.0 | -138.6 | -36.4 | 278 | -27.8 | -133.7 | -56.4 | 449 | -130.6 | 18 | 13 | 288 | -49.2 | -106.0 | 19 | 309 | -589.0 | -13.3 | 42 | 343 | -633.1 | -22.8 | 45 | 291 | -10.2 |
| Percentage of IncreaseDecreaseInAccountsPayable | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | -511.0 | 227 | -252.2 | 974 | -141.7 | -415.6 | -397.3 | -30.7 | -48.5 | 592 | -403.9 | -91.3 | -196.3 | 460 | -165.4 | -134.1 | -111.9 | 526 | -263.9 | 113 | -83.3 | 410 | -307.0 | -97.6 | -99.1 | 677 | -294.0 | -141.2 | 39 | 754 | -327.7 | 92 | 42 | 432 | -165.3 | -122.4 | -57.6 | 456 | -508.4 | -108.2 | 899 | -448.4 | -733.4 | -29.6 | 890 | -418.3 | 337 |
| Percentage of IncreaseDecreaseInAccountsReceivable | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 112 | 87 | 94 | 2.1 | -102.3 | 113 | -54.4 | 81 | 34 | 8.0 | -85.0 | 48 | 34 | 35 | -38.7 | 72 | 6.6 | 35 | -33.8 | 47 | -2.0 | 41 | -80.3 | 51 | 15 | 9.5 | -20.7 | 49 | 10 | 52 | -19.8 | 42 | 2.9 | 76 | -39.6 | 6.9 | 24 | 68 | -263.6 | 78 | 142 | -57.8 | -237.1 | 52 | 137 | -60.0 | 27 |
| Percentage of IncreaseDecreaseInInventories | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 34 | 102 | -71.2 | -220.7 | 335 | 23 | -136.5 | -30.8 | -94.7 | 287 | -209.9 | 138 | -62.4 | 252 | -103.5 | 51 | -165.3 | 145 | -85.1 | 46 | -127.4 | 77 | -223.4 | 7.5 | -186.3 | 344 | -181.5 | -1.2 | 36 | 286 | -149.5 | -4.5 | 2.6 | 159 | -118.3 | -14.7 | 22 | 159 | -145.6 | 20 | 57 | 74 | -103.2 | 5.9 | -37.9 | 86 | -291.2 |
| Percentage of IncreaseDecreaseInOtherOperatingCapitalNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 260 | 247 | 400 | 564 | -524.5 | 222 | 485 | 343 | 404 | 51 | 758 | 267 | 516 | 236 | 598 | 339 | 566 | 278 | 525 | 276 | 529 | 288 | 585 | 278 | 474 | -66.6 | 516 | 236 | 390 | 164 | 201 | 63 | 369 | 200 | 155 | 4.2 | 273 | 155 | 206 | 154 | 237 | 118 | 227 | 38 | 324 |
| Percentage of NetCashProvidedByUsedInOperatingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 5.5 | 4.6 | 7.6 | 11.5 | -21.5 | 5.0 | 10.1 | 7.1 | 8.1 | 1.0 | 15.3 | 5.5 | 9.3 | 4.1 | 11.2 | 6.8 | 11.1 | 5.6 | 11.3 | 6.1 | 11.2 | 6.2 | 12.4 | 6.4 | 10.2 | -1.5 | 11.3 | 5.6 | 9.2 | 4.2 | 4.9 | 1.6 | 9.9 | 5.7 | 4.2 | 0.1 | 7.8 | 4.5 | 5.6 | 4.4 | 7.5 | 4.2 | 7.5 | 1.3 | 20.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 175 | 203 | 201 | 174 | -293.9 | 76 | 126 | 215 | 182 | 228 | 212 | 252 | 331 | 353 | 400 | 295 | 311 | 305 | 229 | 214 | 282 | 248 | 235 | 181 | 181 | 147 | 261 | 140 | 148 | 122 | 72 | 112 | 137 | 108 | 881 | 121 | 145 | 134 | 106 | 100 | 177 | 156 | 117 | 95 | 159 | 66 | -3.8 |
| Percentage of NetIncomeLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 3.7 | 3.8 | 3.8 | 3.6 | -12.0 | 1.7 | 2.6 | 4.5 | 3.7 | 4.4 | 4.3 | 5.2 | 5.9 | 6.2 | 7.5 | 5.9 | 6.1 | 6.1 | 5.0 | 4.7 | 6.0 | 5.3 | 5.0 | 4.2 | 3.9 | 3.3 | 5.8 | 3.3 | 3.2 | 2.8 | 1.7 | 2.9 | 3.3 | 2.7 | 23.7 | 3.4 | 4.0 | 3.7 | 3.0 | 2.9 | 4.8 | 4.4 | 3.7 | 3.4 | 5.3 | 2.2 | -0.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 194 | 225 | 222 | 197 | -269.5 | 83 | 144 | 238 | 202 | 246 | 242 | 274 | 355 | 374 | 420 | 315 | 327 | 318 | 248 | 235 | 294 | 262 | 252 | 193 | 192 | 156 | 268 | 147 | 157 | 128 | 79 | 116 | 142 | 116 | 890 | 128 | 154 | 144 | 113 | 108 | 185 | 162 | 123 | 98 | 165 | 73 | -7.7 |
| Percentage of ProfitLoss | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | 4.1 | 4.2 | 4.2 | 4.0 | -11.0 | 1.9 | 3.0 | 4.9 | 4.0 | 4.8 | 4.9 | 5.6 | 6.4 | 6.5 | 7.8 | 6.3 | 6.4 | 6.4 | 5.4 | 5.2 | 6.2 | 5.6 | 5.4 | 4.5 | 4.2 | 3.5 | 5.9 | 3.5 | 3.4 | 2.9 | 1.9 | 3.0 | 3.5 | 3.0 | 23.9 | 3.6 | 4.2 | 4.0 | 3.2 | 3.1 | 5.1 | 4.6 | 3.9 | 3.5 | 5.4 | 2.5 | -0.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | -140.3 | -142.9 | -171.7 | -121.1 | -85.9 | -90.1 | -183.1 | -159.2 | -463.5 | -116.6 | -182.3 | -153.9 | -169.2 | -188.1 | -168.5 | -133.8 | -437.6 | -128.7 | -388.6 | -117.3 | -41.3 | -89.9 | -161.7 | -133.7 | -105.7 | -564.2 | -490.8 | -85.8 | -122.5 | -102.7 | -138.4 | -40.3 | -151.8 | -114.2 | -357.5 | -64.4 | -78.4 | -89.3 | -58.4 | -77.1 | -78.9 | -39.4 | -43.1 | -30.7 | -39.5 |
| Percentage of NetCashProvidedByUsedInInvestingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -2.9 | -2.7 | -3.3 | -2.5 | -3.5 | -2.0 | -3.8 | -3.3 | -9.3 | -2.3 | -3.7 | -3.1 | -3.0 | -3.3 | -3.1 | -2.7 | -8.5 | -2.6 | -8.4 | -2.6 | -0.9 | -1.9 | -3.4 | -3.1 | -2.3 | -12.5 | -10.8 | -2.0 | -2.9 | -2.6 | -3.4 | -1.0 | -4.1 | -3.2 | -9.8 | -1.8 | -2.2 | -2.6 | -1.6 | -2.2 | -2.5 | -1.4 | -1.4 | -1.0 | -2.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 140 | 112 | 167 | 90 | 86 | 109 | 193 | 150 | 136 | 122 | 184 | 160 | 169 | 162 | 164 | 156 | 153 | 120 | 228 | 118 | 93 | 88 | 158 | 114 | 114 | 98 | 143 | 91 | 92 | 96 | 131 | 102 | 127 | 98 | 157 | 120 | 110 | 70 | 81 | 91 | 85 | 70 | 78 | 38 | 41 | 34 | 41 |
| Percentage of PaymentsToAcquirePropertyPlantAndEquipment | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 |
| Value | 1.1 | 5.0 | 2.3 | 3.0 | 3.8 | 4.5 | 8.6 | 8.1 | 3.4 | 7.3 | 5.5 | 14 | 12 | 5.2 |
| Percentage of PaymentsToAcquirePropertyPlantAndEquipment | 1.2 | 3.3 | 1.4 | 1.8 | 2.4 | 2.9 | 7.1 | 3.6 | 2.9 | 7.8 | 6.2 | 9.2 | 10.9 | 4.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 4.7 | 6.7 | 2.0 | 1.2 | 7.1 | 5.0 | 4.0 | 3.5 | 1.7 | 1.5 | 3.3 | 2.3 | 3.0 | 3.8 | 4.5 |
| Percentage of PaymentsToAcquirePropertyPlantAndEquipment | 3.4 | 5.9 | 2.3 | 1.1 | 3.7 | 3.3 | 2.9 | 2.9 | 0.9 | 0.9 | 1.9 | 1.4 | 1.8 | 2.4 | 2.9 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 |
| Value | 40 | 59 | 48 | 50 | 42 | 54 | 29 | 82 | 34 | 24 | 20 | 58 | 26 |
| Percentage of PaymentsToAcquirePropertyPlantAndEquipment | 44.6 | 39.7 | 29.6 | 30.5 | 27.3 | 35.2 | 24.4 | 36.4 | 29.4 | 26.1 | 22.9 | 37.3 | 23.3 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 |
| Value | 48 | 86 | 112 | 111 | 109 | 94 | 82 | 137 | 80 | 61 | 62 | 84 | 75 | 85 | 71 | 76 | 63 | 55 | 73 | 73 | 67 | 80 | 67 |
| Percentage of PaymentsToAcquirePropertyPlantAndEquipment | 54.2 | 57.0 | 69.0 | 67.7 | 70.2 | 61.8 | 68.5 | 60.1 | 67.7 | 66.1 | 70.8 | 53.6 | 65.9 | 74.8 | 72.4 | 52.9 | 69.0 | 60.0 | 76.7 | 56.1 | 65.5 | 62.7 | 68.4 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 51 | 43 | 37 | 41 | 62 | 59 | 52 | 39 | 58 | 49 | 52 | 48 | 50 | 42 | 54 |
| Percentage of PaymentsToAcquirePropertyPlantAndEquipment | 37.0 | 38.3 | 43.1 | 38.2 | 32.2 | 39.7 | 38.5 | 31.8 | 31.5 | 31.0 | 30.9 | 29.6 | 30.5 | 27.3 | 35.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 83 | 63 | 47 | 66 | 124 | 86 | 80 | 80 | 124 | 109 | 113 | 112 | 111 | 109 | 94 |
| Percentage of PaymentsToAcquirePropertyPlantAndEquipment | 59.6 | 55.8 | 54.6 | 60.7 | 64.1 | 57.0 | 58.6 | 65.3 | 67.6 | 68.0 | 67.1 | 69.0 | 67.7 | 70.2 | 61.8 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | -102.60000000000001 | -29.7 | -199.9 | -1013.1 | -49.3 | 850 | -125.4 | -131.2 | 129 | -234.7 | -277.3 | -246.1 | -234.5 | -272.6 | -196.2 | -128.9 | -191.6 | -225.3 | -173.5 | -215.5 | -252.4 | -231.5 | -135.4 | -179.5 | -155.9 | 314 | 210 | -131.1 | -25.0 | -34.2 | -828.5 | 189 | -90.8 | -152.9 | -79.7 | -72.7 | -107.8 | -111.5 | -99.8 | -53.2 | -12.3 | -36.8 | -29.1 | -242.5 | 30 |
| Percentage of NetCashProvidedByUsedInFinancingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Percentage of RevenueFromContractWithCustomerExcludingAssessedTax | -2.2 | -0.6 | -3.8 | -20.7 | -2.0 | 19.1 | -2.6 | -2.7 | 2.6 | -4.5 | -5.6 | -5.0 | -4.2 | -4.8 | -3.7 | -2.6 | -3.7 | -4.5 | -3.7 | -4.8 | -5.3 | -5.0 | -2.9 | -4.1 | -3.4 | 7.0 | 4.6 | -3.1 | -0.6 | -0.9 | -20.1 | 4.8 | -2.4 | -4.3 | -2.2 | -2.0 | -3.1 | -3.2 | -2.7 | -1.5 | -0.4 | -1.3 | -1.0 | -8.3 | 1.9 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 |
| Value | 15 | 15 | 15 | 4.1 | 0.1 | 47 | 45 | 45 | 46 | 49 | 44 | 45 | 46 | 50 | 33 | 33 | 34 | 36 | 20 | 21 | 21 | 25 | 18 | 18 | 19 | 22 | 15 | 16 | 16 | 17 | 13 | 15 | 13 | 16 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
| Percentage of PaymentsOfDividendsCommonStock | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 |
| Value | 0.0 | 0.0 | 0.0 | 70 | 25 | 83 | 154 | 122 | 216 | 203 | 139 | 145 | 118 | 92 | 124 | 115 | 101 | 190 | 212 | 154 | 100 | 200 | 100 | 112 | 100 | 100 | 156 | 0.0 | 0.0 | 0.0 | 800 | 200 | 50 | 50 | 70 | 52 | 84 | 94 | 72 | 27 |
| Percentage of PaymentsForRepurchaseOfCommonStock | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-10-02 | 2010-07-03 |
| Value | 17.1 | 21.1 | 19.0 | 0.129 | 0.244 | 0.125 | 0.275 | 0.15 | 0.175 | 0.22 | 0.174 | 0.202 | 0.192 | 0.227 | 0.284 | 0.269 | 0.286 | 0.293 | 0.281 | 0.305 | 0.291 | 0.262 | 0.311 | 0.323 | 0.237 | 0.258 | 0.19 | 0.192 | 0.226 | 0.223 | 0.096 | 0.201 | 0.052 | 0.095 |
| Percentage of EffectiveIncomeTaxRateContinuingOperations | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 670 | 563 | 528 | 646 | 750 | 639 | 749 | 99 | 28 |
| Percentage of DeferredTaxAssetsNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2009-11-07 |
| Value | 36 | 31 | 36 | 33 | 29 | 30 | 39 | 45 | 34 | 49 | 36 | 63 | 93 |
| Percentage of UnrecognizedTaxBenefits | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 397 | 344 | 350 | 402 | 445 | 495 | 508 | 642 | 628 | 1397 | 1407 |
| Percentage of DeferredTaxAssetsValuationAllowance | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 18 | 11 | 16 | 20 | 33 | 35 | 35 | 36 | 41 |
| Percentage of DeferredTaxAssetsValuationAllowance | 4.7 | 3.4 | 4.6 | 5.2 | 7.6 | 7.1 | 6.9 | 5.6 | 6.5 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 |
| Value | 378 | 333 | 334 | 381 | 411 | 460 | 473 | 606 | 587 |
| Percentage of DeferredTaxAssetsValuationAllowance | 95.3 | 96.6 | 95.4 | 94.8 | 92.4 | 92.9 | 93.1 | 94.4 | 93.5 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 285 | 101 |
| Percentage of ComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 83 | -131.1 |
| Percentage of ComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 29.2 | -129.8 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 28 | 16 |
| Percentage of ComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 9.8 | 16.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 257 | 84 |
| Percentage of ComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 90.2 | 84.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 174 | 215 |
| Percentage of ComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 61.0 | 213.8 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 5000000.0 | -4900000.0 |
| Percentage of ComprehensiveIncomeLossNetofTaxAttributabletoRedeemableNoncontrollingInterest | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 4700000.0 | -5600000.0 |
| Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 88 | -136.9 |
| Percentage of OtherComprehensiveIncomeLossNetofTaxIncludingPortionAttributabletoNonredeemableNoncontrollingInterest | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 83 | -131.1 |
| Percentage of OtherComprehensiveIncomeLossNetofTaxIncludingPortionAttributabletoNonredeemableNoncontrollingInterest | 93.7 | 95.8 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 5.6 | -5.8 |
| Percentage of OtherComprehensiveIncomeLossNetofTaxIncludingPortionAttributabletoNonredeemableNoncontrollingInterest | 6.3 | 4.2 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 83 | -131.1 |
| Percentage of OtherComprehensiveIncomeLossNetofTaxIncludingPortionAttributabletoNonredeemableNoncontrollingInterest | 93.7 | 95.8 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2009-12-31 |
| Value | -17.1 | -9.7 | 5.6 | -8.2 | 21 | -5.8 | -3.7 | -7.2 | -14.2 | 23 | -8.5 | -8.2 | -21.7 | -8.7 | -30.0 | -17.2 | -11.1 | -16.8 | -29.2 | -20.3 | -16.8 | -10.3 | -10.7 | 5.6 | -1.5 | -10.2 | -0.3 | -18.5 | -8.5 | -4.1 | 2.8 | -32.7 | -3.0 | 22 | -19.8 |
| Percentage of OtherIncomeExpenseNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 50.0 |
| Percentage of PercentageToBePaidAtClosingForRedeemableNoncontrollingInterestTransaction | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | -1.7 | -1.1 |
| Percentage of StockIssuedDuringPeriodFromTreasuryStockValueShareBasedCompensation | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | -7.2 | -3.9 |
| Percentage of StockIssuedDuringPeriodFromTreasuryStockValueShareBasedCompensation | 423.5 | 354.5 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | -1.7 | -1.1 |
| Percentage of StockIssuedDuringPeriodFromTreasuryStockValueShareBasedCompensation | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | -0.8 | -0.7 |
| Percentage of StockIssuedDuringPeriodFromTreasuryStockValueShareBasedCompensation | 47.1 | 63.6 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 6.3 | 3.5 |
| Percentage of StockIssuedDuringPeriodFromTreasuryStockValueShareBasedCompensation | -370.6 | -318.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 259 | 139 | -142.9 | -191.8 | 205 | 101 | 210 | 243 | 189 | 239 | 96 | 508 |
| Percentage of ComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 62 | -85.3 | 126 | -276.6 | -131.1 | 13 | -5.7 | -28.2 | -246.9 | 132 |
| Percentage of ComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 24.1 | -61.2 | -88.4 | 144.2 | -129.8 | 6.3 | -2.3 | -11.8 | -255.3 | 26.1 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 21 | 21 | 24 | 8.4 | 22 | 16 | 14 | 19 | 27 | 15 | 12 | 22 |
| Percentage of ComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 8.3 | 15.1 | -17.3 | -4.4 | 11.1 | 16.0 | 7.0 | 8.1 | 14.4 | 6.4 | 12.6 | 4.4 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 237 | 118 | -167.6 | -200.2 | 182 | 84 | 196 | 223 | 162 | 224 | 84 | 486 |
| Percentage of ComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 91.7 | 84.9 | 117.3 | 104.4 | 88.9 | 84.0 | 93.0 | 91.9 | 85.6 | 93.6 | 87.4 | 95.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 175 | 203 | -293.9 | 76 | 126 | 215 | 182 | 228 | 212 | 252 | 331 | 353 |
| Percentage of ComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 67.5 | 146.1 | 205.7 | -39.8 | 61.3 | 213.8 | 86.7 | 94.2 | 111.9 | 105.3 | 342.7 | 69.6 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 0.8 | -6.0 | 2.2 | -4.9 | -2.5 | 5.2 | 2.9 | -3.6 | -7.3 | 11 |
| Percentage of ComprehensiveIncomeLossNetofTaxAttributabletoRedeemableNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 |
| Value | 0 | 1.0 |
| Percentage of GoodwillReportingUnitPercentageOfTotalGoodwill | 0.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 |
| Value | -5100000.0 | -5500000.0 | 1700000.0 | -10600000.0 | -37600000.0 | -600000.0 | -37200000.0 | -21600000.0 | -2700000.0 | -27300000.0 | -30200000.0 | -14000000.0 | -35300000.0 | -19100000.0 |
| Percentage of IncomeTaxExpenseBenefitDiscreteItems | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 |
| Value | -8200000.0 | -5200000.0 | -21100000.0 | -10000000.0 | -9100000.0 | -11000000.0 | -15600000.0 | -3400000.0 | -2400000.0 | -4100000.0 | -4000000.0 |
| Percentage of IncomeTaxExpenseBenefitDiscreteItemsRestructuringandOther | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 |
| Value | -100000.0 | 0 | 200000.0 | 100000.0 | 0 | -3200000.0 | -400000.0 | -300000.0 | -10100000.0 | -500000.0 |
| Percentage of IncomeTaxExpenseBenefitDiscreteItemsSharebasedCompensation | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 |
| Value | -55.7 | -24.1 | -12.6 | -45.5 | 41 | -13.9 | -44.2 | -15.3 | 62 | -4.7 | -26.3 | 22 | -16.7 |
| Percentage of IncreaseDecreaseInRecoverableCustomerEngineeringDevelopmentAndTooling | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 |
| Value | 47 |
| Percentage of IndirectTaxCredit | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 400000.0 | -2100000.0 | 3400000.0 | -5600000.0 | -3600000.0 | 4000000.0 | -200000.0 | -6100000.0 | -11100000.0 | 8000000.0 |
| Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 64 | -86.4 | 127 | -279.3 | 60 | -136.9 | 10.0 | -1.9 | -50.0 | -32.5 | -254.5 | 137 |
| Percentage of OtherComprehensiveIncomeLossNetofTaxIncludingPortionAttributabletoNonredeemableNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 62 | -85.3 | 126 | -276.6 | -131.1 | 13 | -5.7 | -28.2 | -246.9 | 132 |
| Percentage of OtherComprehensiveIncomeLossNetofTaxIncludingPortionAttributabletoNonredeemableNoncontrollingInterest | 97.1 | 98.7 | 99.4 | 99.0 | 95.8 | 133.0 | 300.0 | 86.8 | 97.0 | 96.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 1.9 | -1.1 | 0.7 | -2.7 | 3.6 | -5.8 | -3.3 | 3.8 | -0.1 | -4.3 | -7.6 | 5.2 |
| Percentage of OtherComprehensiveIncomeLossNetofTaxIncludingPortionAttributabletoNonredeemableNoncontrollingInterest | 2.9 | 1.3 | 0.6 | 1.0 | 6.0 | 4.2 | -33.0 | -200.0 | 0.2 | 13.2 | 3.0 | 3.8 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 62 | -85.3 | 126 | -276.6 | 56 | -131.1 | 13 | -5.7 | -49.9 | -28.2 | -246.9 | 132 |
| Percentage of OtherComprehensiveIncomeLossNetofTaxIncludingPortionAttributabletoNonredeemableNoncontrollingInterest | 97.1 | 98.7 | 99.4 | 99.0 | 94.0 | 95.8 | 133.0 | 300.0 | 99.8 | 86.8 | 97.0 | 96.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 46 | -6.3 | 3.2 | -40.5 | 3.3 | -9.7 | -13.8 | -4.4 | -20.3 | -13.2 | -3.7 | 5.6 | -8.2 | 21 | -5.8 |
| Percentage of OtherIncomeExpenseNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 |
| Value | 0 | 1.0 |
| Percentage of PercentageOfNetSalesToPriorYearsRevenue | 0.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 73 | 66 | 41 | 50 | 36 | 49 | 67 | 58 | 63 | 99 | 34 | 33 | 66 | 53 |
| Percentage of PreproductionEngineeringAndDevelopmentCostsRelatedToLongTermSupplyArrangementsCostsCapitalized | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 45 | 31 | 35 | 54 | 104 | 35 | 44 | 47 | 77 | 20 | 68 | 31 | 21 | 35 |
| Percentage of PreproductionToolingCostsRelatedToLongTermSupplyArrangementsCostsCapitalized | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 70 | 77 | 61 | 66 | 164 | 79 | 67 | 95 | 210 | 112 | 86 | 79 | 63 | 76 |
| Percentage of RecoveriesOfPreproductionCostsRelatedToLongTermSupplyAgreements | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 |
| Value | 0.8 | 1.4 |
| Percentage of StandardProductWarrantyAccrualWarrantiesIssuedandPreexistingIncreaseDecrease | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | -0.7 | -8.0 | -0.7 | -11.2 | -0.6 | -1.1 | -0.4 | -29.2 | -0.5 | -1.2 | -1.4 | -44.4 |
| Percentage of StockIssuedDuringPeriodFromTreasuryStockValueShareBasedCompensation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | -2.9 | -17.0 | -2.9 | -27.0 | -1.3 | -3.9 | -1.0 | -65.4 | -1.4 | -4.4 | -3.5 | -72.2 |
| Percentage of StockIssuedDuringPeriodFromTreasuryStockValueShareBasedCompensation | 414.3 | 212.5 | 414.3 | 241.1 | 216.7 | 354.5 | 250.0 | 224.0 | 280.0 | 366.7 | 250.0 | 162.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | -0.7 | -8.0 | -0.7 | -11.2 | -0.6 | -1.1 | -0.4 | -29.2 | -0.5 | -1.2 | -1.4 | -44.4 |
| Percentage of StockIssuedDuringPeriodFromTreasuryStockValueShareBasedCompensation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 |
| Value | -0.8 | -1.7 | -0.2 | -0.7 | 0.0 | -1.2 |
| Percentage of StockIssuedDuringPeriodFromTreasuryStockValueShareBasedCompensation | 114.3 | 15.2 | 33.3 | 63.6 | -0.0 | 4.1 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 2.2 | 9.0 | 3.0 | 17 | 0.9 | 3.5 | 0.6 | 37 | 0.9 | 3.2 | 2.1 | 27 |
| Percentage of StockIssuedDuringPeriodFromTreasuryStockValueShareBasedCompensation | -314.3 | -112.5 | -428.6 | -156.2 | -150.0 | -318.2 | -150.0 | -128.1 | -180.0 | -266.7 | -150.0 | -62.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 |
| Value | -500000.0 | -100000.0 | -100000.0 | 500000.0 | 500000.0 | -1600000.0 | -300000.0 | -300000.0 | 100000.0 | 100000.0 | 500000.0 | -800000.0 | -600000.0 | -300000.0 | 300000.0 | -200000.0 | -200000.0 | -600000.0 | 300000.0 | 0 | 100000.0 | -600000.0 | 400000.0 | 400000.0 | 2800000.0 | -13400000.0 | -7000000.0 | -11100000.0 | -1200000.0 | 500000.0 |
| Percentage of AdjustmentForLongTermIntercompanyTransactionsGrossOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2014-12-31 | 2014-09-27 | 2013-12-31 | 2013-09-28 |
| Value | 1.2 | 2.8 | 1.2 | 0.8 | 4.6 | 0.4 |
| Percentage of AssetImpairmentCharges | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 |
| Value | 0.2 | 0.2 | 0.0 | 10 |
| Percentage of AssetImpairmentCharges | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 |
| Value | 12 | 36 |
| Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-03-31 | 2020-04-04 | 2020-02-28 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-06-02 | 2011-04-02 |
| Value | 0.25 | 0.25 | 0.25 | 0 | 0.77 | 0.77 | 0.77 | 0.75 | 0.75 | 0.75 | 0.75 | 0.7 | 0.7 | 0.7 | 0.7 | 0.5 | 0.5 | 0.5 | 0.5 | 0.3 | 0.3 | 0.3 | 0.3 | 0.25 | 0.25 | 0.25 | 0.25 | 0.2 | 0.2 | 0.2 | 0.2 | 0.17 | 0.17 | 0.17 | 0.17 | 0.14 | 0.14 | 0.14 | 0.14 | 0.125 | 0.125 | 0.125 | 0.125 | 0.125 |
| Percentage of CommonStockDividendsPerShareDeclared | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2009-12-31 |
| Value | 15 | -3.1 |
| Percentage of DeferredForeignIncomeTaxExpenseBenefit | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 300000.0 | 300000.0 | 400000.0 | 400000.0 | 400000.0 | 400000.0 | 600000.0 | 600000.0 | 500000.0 | 600000.0 | 500000.0 | 600000.0 | 500000.0 | 600000.0 | 600000.0 | 700000.0 | 700000.0 | 600000.0 | 400000.0 | 300000.0 | 300000.0 |
| Percentage of DefinedBenefitPlanAmortizationOfGainsLosses | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | -900000.0 | -1000000.0 | -600000.0 | -600000.0 | -500000.0 | -600000.0 | -400000.0 | -500000.0 | -400000.0 | -500000.0 | -400000.0 | -600000.0 | -500000.0 | -500000.0 | -700000.0 | -600000.0 | -700000.0 | -600000.0 | -700000.0 | -600000.0 | -700000.0 |
| Percentage of DefinedBenefitPlanAmortizationOfGainsLosses | -300.0 | -333.3 | -150.0 | -150.0 | -125.0 | -150.0 | -66.7 | -83.3 | -80.0 | -83.3 | -80.0 | -100.0 | -100.0 | -83.3 | -116.7 | -85.7 | -100.0 | -100.0 | -175.0 | -200.0 | -233.3 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 0 | 0 | 0 | 0 | 0 | 0 | -100000.0 | 0 | -100000.0 | 0 | -100000.0 | -100000.0 | 0 | -100000.0 | 0 | -100000.0 | 0 |
| Percentage of DefinedBenefitPlanAmortizationOfGainsLosses | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -20.0 | 0.0 | -20.0 | 0.0 | -16.7 | -14.3 | 0.0 | -16.7 | 0.0 | -33.3 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | -1600000.0 | -1500000.0 | -1700000.0 | -1200000.0 | -1200000.0 | -1100000.0 | -2000000.0 | -1900000.0 | -1900000.0 | -2000000.0 | -1500000.0 | -1600000.0 | -1500000.0 | -1600000.0 | -1300000.0 | -1300000.0 | -1300000.0 | -1200000.0 | -800000.0 | -800000.0 | -800000.0 |
| Percentage of DefinedBenefitPlanAmortizationOfGainsLosses | -533.3 | -500.0 | -425.0 | -300.0 | -300.0 | -275.0 | -333.3 | -316.7 | -380.0 | -333.3 | -300.0 | -266.7 | -300.0 | -266.7 | -216.7 | -185.7 | -185.7 | -200.0 | -200.0 | -266.7 | -266.7 |
| Period End | 2021-07-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | -100000.0 | -100000.0 | 0 | -100000.0 | -100000.0 | 0 | -100000.0 | 0 | -100000.0 | 0 | -100000.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-07-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 0 | -100000.0 | 0 | -100000.0 | 0 | 0 | -100000.0 | -100000.0 | -100000.0 | -100000.0 | -100000.0 | -100000.0 | -100000.0 | 0 | -100000.0 | -100000.0 |
| Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit | -0.0 | 100.0 | 0.0 | 100.0 | 0.0 | -0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 |
| Value | 1.1 | 3.8 |
| Percentage of DefinedBenefitPlanContributionsByEmployer | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 5.9 | 5.9 | 5.4 | 5.4 | 5.3 | 5.3 | 5.1 | 5.0 | 5.1 | 5.0 | 6.5 | 7.0 | 6.9 | 6.9 | 7.2 | 7.3 | 7.2 | 5.9 | 9.5 | 9.5 | 9.5 |
| Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 5.0 | 4.8 | 4.8 | 4.9 | 4.9 | 5.0 | 5.3 | 5.2 | 5.2 | 5.2 | 5.6 | 5.7 | 5.8 | 5.9 | 5.9 | 5.9 | 5.5 | 5.6 | 5.7 | 5.9 | 6.0 |
| Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets | 84.7 | 81.4 | 88.9 | 90.7 | 92.5 | 94.3 | 103.9 | 104.0 | 102.0 | 104.0 | 86.2 | 81.4 | 84.1 | 85.5 | 81.9 | 80.8 | 76.4 | 94.9 | 60.0 | 62.1 | 63.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 0.4 | 0.3 | 0.4 | 0.5 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.5 | 0.5 | 0.4 | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.9 | 0.7 |
| Percentage of DefinedBenefitPlanInterestCost | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 3.6 | 3.6 | 4.099999999999998 | 4.1 | 4.1 | 4.1 | 4.7 | 4.6 | 4.7 | 4.6 | 4.9 | 5.0 | 4.9 | 5.0 | 5.4 | 5.5 | 5.5 | 5.4 | 7.4 | 7.5 | 7.5 |
| Percentage of DefinedBenefitPlanInterestCost | 900.0 | 1200.0 | 1025.0 | 820.0 | 1025.0 | 1025.0 | 940.0 | 920.0 | 783.3 | 920.0 | 980.0 | 1250.0 | 980.0 | 1000.0 | 900.0 | 916.7 | 916.7 | 900.0 | 925.0 | 833.3 | 1071.4 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 0.2 | 0.2 | 0.1 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.4 | 0.3 | 0.4 | 0.3 | 0.3 | 0.4 | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Percentage of DefinedBenefitPlanInterestCost | 50.0 | 66.7 | 25.0 | 40.0 | 50.0 | 50.0 | 60.0 | 60.0 | 66.7 | 60.0 | 80.0 | 75.0 | 60.0 | 80.0 | 50.0 | 66.7 | 66.7 | 66.7 | 50.0 | 44.4 | 57.1 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 2.7 | 2.6 | 3.0 | 3.1 | 3.0 | 3.1 | 3.7 | 3.7 | 3.6 | 3.7 | 3.6 | 3.6 | 3.7 | 3.8 | 3.8 | 4.0 | 3.4 | 3.8 | 3.9 | 3.8 | 4.2 |
| Percentage of DefinedBenefitPlanInterestCost | 675.0 | 866.7 | 750.0 | 620.0 | 750.0 | 775.0 | 740.0 | 740.0 | 600.0 | 740.0 | 720.0 | 900.0 | 740.0 | 760.0 | 633.3 | 666.7 | 566.7 | 633.3 | 487.5 | 422.2 | 600.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | -0.1 | 0.1 | -0.1 | 0.0 | -0.2 | -0.1 | 0.0 | -0.1 | -0.1 | -0.2 | -0.1 | -0.1 | 0.0 | -0.1 | 0.0 | 0.0 | 0.5 | 0.6 | 0.5 |
| Percentage of DefinedBenefitPlanNetPeriodicBenefitCost | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | -1.4 | -0.9 | -0.7 | -0.6 | -0.7 | -0.3 | 0.1 | 0.1 | 0.0 | 0.2 | 4.3 | -1.3 | -1.5 | -1.2 | 0.1 | 0.1 | 0.2 | 0.3 | 34 | 0.0 | 0.1 |
| Percentage of DefinedBenefitPlanNetPeriodicBenefitCost | 0.0 | 0.0 | 700.0 | -600.0 | 700.0 | 0.0 | -50.0 | -100.0 | 0.0 | -200.0 | -4300.0 | 650.0 | 1500.0 | 1200.0 | 0.0 | -100.0 | 0.0 | 0.0 | 6840.0 | 0.0 | 20.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 0.2 | 0.2 | 0.1 | 0.2 | 0.2 | 0.2 | -10.3 | 0.4 | 0.3 | 0.4 | 0.6 | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.6 | 0.5 | 0.5 | 0.5 | 0.7 |
| Percentage of DefinedBenefitPlanNetPeriodicBenefitCost | 0.0 | 0.0 | -100.0 | 200.0 | -200.0 | 0.0 | 5150.0 | -400.0 | 0.0 | -400.0 | -600.0 | -150.0 | -400.0 | -400.0 | 0.0 | -500.0 | 0.0 | 0.0 | 100.0 | 83.3 | 140.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 0.7 | 0.6 | 4.1 | 10 | 0.5 | 0.4 | -0.3 | 1.9 | 1.9 | 2.1 | 1.1 | 1.7 | 1.2 | 1.2 | 2.1 | 1.2 | 1.0 | 1.9 | 1.1 | 0.3 | 0.7 |
| Percentage of DefinedBenefitPlanNetPeriodicBenefitCost | 0.0 | 0.0 | -4100.0 | 10800.0 | -500.0 | 0.0 | 150.0 | -1900.0 | 0.0 | -2100.0 | -1100.0 | -850.0 | -1200.0 | -1200.0 | 0.0 | -1200.0 | 0.0 | 0.0 | 220.0 | 50.0 | 140.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2017-04-01 |
| Value | -2.7 | -10.2 | 0.8 |
| Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 0.0 | -0.4 | 0.0 | 0.0 | 0.0 | -0.3 | 0.0 | 0.0 | 0.0 | -0.1 | -5.5 | 0.0 | 0.0 | -0.2 | 0.0 | 0.0 | 0.0 | -0.2 | -34.2 | 0.0 | 0.0 |
| Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 | 0.0 | 0.0 | -0.0 | -0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -25.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | -2.8 | -10.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -0.8 | -0.4 | 0.0 | 0.0 |
| Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 | 103.7 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -100.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 |
| Value | 10 |
| Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 | -100.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.0 | 0.1 |
| Percentage of DefinedBenefitPlanServiceCost | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 0.0 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 1.2 | 1.3 | 1.2 | 0.0 | 1.4 | 1.4 | 1.4 |
| Percentage of DefinedBenefitPlanServiceCost | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1200.0 | 0.0 | 1400.0 | 0.0 | 1400.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 |
| Percentage of DefinedBenefitPlanServiceCost | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 200.0 | 0.0 | 100.0 | 0.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 |
| Value | 1.4 | 1.3 | 1.4 | 1.2 | 1.2 | 1.2 | 1.6 | 1.5 | 1.6 | 1.6 | 1.7 | 1.7 | 1.8 | 1.7 | 2.0 | 1.8 | 1.8 | 1.7 | 1.7 | 1.6 | 1.7 |
| Percentage of DefinedBenefitPlanServiceCost | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1800.0 | 0.0 | 1700.0 | 0.0 | 1700.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2009-12-31 |
| Value | 125 | 124 | 126 | 120 | 114 | 113 | 112 | 111 | 112 | 110 | 110 | 107 | 108 | 107 | 101 | 99 | 93 | 86 | 83 | 83 | 81 | 77 | 77 | 75 | 71 | 71 | 70 | 71 | 69 | 66 | 68 | 64 | 60 | 57 | 55 | 54 | 49 | 46 | 50 | 56 | 57 | 54 | 54 | 51 | 50 | 35 |
| Percentage of Depreciation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 |
| Value | 15 | 15 | 15 | 0.0 | 0.0 | 46 | 46 | 45 | 46 | 47 | 44 | 46 | 47 | 47 | 34 | 34 | 35 | 35 | 21 | 21 | 22 | 23 | 19 | 19 | 20 | 20 | 16 | 16 | 16 | 17 | 14 | 14 | 14 | 16 | 13 | 13 | 14 | 14 | 12 | 13 | 13 | 13 |
| Percentage of DividendsCommonStockCash | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 |
| Value | 15 | 15 | 15 | 0.0 | 0.0 | 46 | 46 | 45 | 46 | 47 | 44 | 46 | 47 | 47 | 34 | 34 | 35 | 35 | 21 | 21 | 22 | 23 | 19 | 19 | 20 | 20 | 16 | 16 | 16 | 17 | 14 | 14 | 14 | 16 | 13 | 13 | 14 | 14 | 12 | 13 | 13 | 13 |
| Percentage of DividendsCommonStockCash | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 15 | 15 | 15 | 0.0 | 0.0 | 46 | 46 | 45 | 46 | 47 | 44 | 46 | 47 | 47 |
| Percentage of DividendsCommonStockCash | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 |
| Value | 9.0 | -10.9 | 27 | 14 | 10 | -31.3 | 10 | -20.6 | -0.2 | 0.8 | -3.7 | -9.8 | -40.9 | 18 | 12 | 10 | 19 | 13 |
| Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2009-12-31 |
| Value | 0 | 0.21 | 0 | 0 | 0.21 | 0 | 0 | 0.21 | 0 | 0 | 0 | 0.35 | 0 | 0 | 0 | 0.35 | 0 | 0 | 0 | 0.35 | 0 | 0 | 0 | 0.35 | 0 | 0 | 0 | 0.35 | 0 | 0.35 | 0.35 | 0.35 | 0 | 0.35 | 0.35 | 0.35 | 0 | 0 | 0.35 |
| Percentage of EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 |
| Period End | 2021-07-03 | 2020-12-31 | 2019-12-31 |
| Value | 1000000.0 | 4000000.0 | 5000000.0 |
| Percentage of EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2010-07-03 |
| Value | -2.5 | -4.2 | 2.3 | -5.5 | 1.0 | -17.7 | -4.1 | -9.3 | -1.4 | -5.8 | -1.8 | -10.2 | -1.6 | -1.2 | -5.3 | -2.3 | 5.6 | -2.2 | -3.6 | -2.2 | 0.4 | -0.6 | -13.6 | -2.6 | -11.7 | -9.4 | -10.7 | 5.6 | -6.5 | -11.6 | -10.2 | 6.6 | 5.5 |
| Percentage of ForeignCurrencyTransactionGainLossBeforeTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 |
| Value | 9.7 | 1.9 | 22 | 13 | -22.1 |
| Percentage of GoodwillPeriodIncreaseDecrease | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 |
| Value | 2.5 | 17 | 1.1 | -2.1 |
| Percentage of GoodwillPeriodIncreaseDecrease | 25.8 | 900.0 | 7.9 | 9.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 |
| Value | 7.2 | -15.2 | 12 | -20.0 |
| Percentage of GoodwillPeriodIncreaseDecrease | 74.2 | -800.0 | 92.1 | 90.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2009-12-31 |
| Value | 4.9 | 5.9 | 12 | 6.5 | 7.8 | 1.6 | 7.4 | 5.1 | 8.4 | 2.3 | 3.6 | 3.4 | 9.1 | 4.1 | 10 | 7.5 | 18 | 15 | 23 | 12 | 19 | 16 | 18 | 9.9 | 8.5 | 13 | 7.3 | 7.8 | 9.2 | 12 | 11 | 9.2 | 9.9 | 8.0 | -3.0 | 3.0 | 20 | 9.7 | 13 | 1.7 | 3.9 | 4.1 | 10 | 8.7 | 17 | 1.9 |
| Percentage of IncomeLossFromEquityMethodInvestments | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2009-12-31 |
| Value | -6.5 | -0.2 | 59 | 9.8 | 22 | -0.8 | 32 | 0.0 | 10 | 0.0 | 11 | -1.3 | 0.0 | -35.1 | -28.1 | 0.0 | 54 |
| Percentage of IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 |
| Value | 0.0 | 0.0 | 18 | 0.0 | 0.0 | -18.4 | 17 | -7.2 | 0.0 | 0.0 | 44 |
| Percentage of IncomeTaxReconciliationChangeInEnactedTaxRate | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-03-31 |
| Value | 10 | 21 | 32 | 9.1 | 11 | 15 | -8.6 | -7.5 | -4.1 |
| Percentage of IncomeTaxReconciliationNondeductibleExpenseRestructuringCharges | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 |
| Value | 5.0 |
| Percentage of IncomeTaxReconciliationTaxCreditsResearch | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2011-04-02 | 2010-04-03 |
| Value | 34 | 102 | -220.7 | 335 | 23 | -30.8 | -94.7 | 287 | 89 | 99 |
| Percentage of IncreaseDecreaseInOperatingCapital | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2009-12-31 |
| Value | 157 | -169.7 | 176 | -206.2 | -39.6 | 77 | 100 | -68.8 | -123.8 | -73.6 | 112 | -4.7 | 24 | -15.2 | 50 | -32.3 | -44.4 | -42.0 | 166 | -111.7 | -81.2 | -134.0 | 136 | -84.5 | -139.3 | -64.2 | 105 | -42.9 | -69.8 | -71.1 | 67 | -121.2 | -29.2 | -60.9 | 37 | -5.2 | -36.0 | 55 | 24 | 37 | -92.0 | 74 | 330 | -39.8 | -83.2 |
| Percentage of IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 |
| Value | 46 | 45 | 44 | 44 | 41 | 42 | 44 | 41 | 40 | 37 |
| Percentage of LeaseCost | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 |
| Value | 0 | 0.003 | 0 | 0 | 0.003 | 0 |
| Percentage of LineOfCreditFacilityCommitmentFeePercentage | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 |
| Value | 0 | 0.00125 | 0 | 0 | 0.00125 | 0 |
| Percentage of LineOfCreditFacilityCommitmentFeePercentage | 0.0 | 41.7 | 0.0 | 0.0 | 41.7 | 0.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 0.0 | 0.0 | 0.0 | -1.1 | 27 | 3.6 | -0.9 | 6.7 | 6.5 | -2.3 | -9.2 | -5.4 | -2.8 | -22.7 |
| Percentage of MinorityInterestChangeInRedemptionValue | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 0.0 | 0.0 | 0.0 | -1.1 | 27 | 3.6 | -0.9 | 6.7 | 6.5 | -2.3 | -9.2 | -5.4 | -2.8 | -22.7 |
| Percentage of MinorityInterestChangeInRedemptionValue | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 0.0 | 0.0 | 0.0 | -1.1 | 27 | 3.6 | -0.9 | 6.7 | 6.5 | -2.3 | -9.2 | -5.4 |
| Percentage of MinorityInterestChangeInRedemptionValue | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 |
| Value | 0.3 | 0.7 |
| Percentage of NetIncomeLossAttributableToRedeemableNoncontrollingInterest | 100.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 0.4 | -3.9 | -1.2 | 0.7 | 1.1 | 1.2 | 3.1 | 2.5 | 3.8 | 3.5 |
| Percentage of NetIncomeLossAttributableToRedeemableNoncontrollingInterest | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 |
| Value | 194 | 225 | 223 | 196 | -269.9 | 87 | 145 | 237 | 200 | 244 | 239 | 272 | 351 | 370 | 417 | 315 | 327 | 318 |
| Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 |
| Value | 19 | 22 | 21 | 22 | 24 | 11 | 19 | 22 | 18 | 16 | 27 | 19 | 19 | 17 | 16 | 19 | 15 | 12 |
| Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 10.1 | 9.8 | 9.6 | 11.4 | -8.9 | 12.7 | 13.2 | 9.2 | 9.0 | 6.5 | 11.5 | 7.2 | 5.6 | 4.6 | 4.0 | 6.3 | 4.6 | 4.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 |
| Value | 175 | 203 | 201 | 174 | -293.9 | 76 | 126 | 215 | 182 | 228 | 212 | 252 | 331 | 353 | 400 | 295 | 311 | 305 |
| Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 89.9 | 90.2 | 90.4 | 88.6 | 108.9 | 87.3 | 86.8 | 90.8 | 91.0 | 93.5 | 88.5 | 92.8 | 94.4 | 95.4 | 96.0 | 93.7 | 95.4 | 96.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 175 | 203 | 201 | 174 | -293.9 | 76 | 126 | 215 | 182 | 228 | 212 | 252 | 331 | 353 |
| Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest | 89.9 | 90.2 | 90.4 | 88.6 | 108.9 | 87.3 | 86.8 | 90.8 | 91.0 | 93.5 | 88.5 | 92.8 | 94.4 | 95.4 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 |
| Value | 39 | 39 | 38 | 38 | 35 | 36 | 36 | 36 | 35 | 32 |
| Percentage of OperatingLeaseCost | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-06-29 | 2019-03-30 |
| Value | 40 | 40 | 35 | 35 | 33 | 33 |
| Percentage of OperatingLeasePayments | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 |
| Value | 20 | 12 | 7.2 | 49 | -120.3 | 39 | -3.3 | 22 | 10 | -36.2 | 62 |
| Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 |
| Value | -2.5 | -0.9 | -3.8 | 7.6 |
| Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 |
| Value | -29.7 | -3.8 | 7.6 | -4.6 | -3.0 | -1.3 | -1.0 | 2.2 | 1.0 | 10 | -2.7 | -2.7 | -1.0 | -21.4 | 0.7 | 0.5 | -3.9 | 9.2 | 3.5 | 1.2 |
| Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 |
| Value | 83 | 68 | -164.4 | -115.7 | 6.9 | -6.7 | -70.8 | -217.0 | 92 | 46 | 87 | 107 | 49 | -138.3 | 8.0 | -40.9 | 70 | -62.4 | -74.8 | 31 |
| Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax | 0.0 | -1800.0 | -2163.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 |
| Value | 14 | 49 | -115.4 | -3.9 | 17 | 7.8 | 48 | -32.1 | 39 | -7.7 | 15 |
| Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax | 0.0 | -1313.2 | -1518.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 |
| Value | 18 | 2.3 | 49 | -115.4 |
| Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax | -748.0 | -255.6 | -1313.2 | -1518.4 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2014-09-27 | 2014-06-28 | 2013-09-28 | 2013-06-29 |
| Value | 52 | -83.6 | 68 | -164.4 | -90.4 | 3.1 | 34 | -14.6 |
| Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax | -2108.0 | 9288.9 | -1800.0 | -2163.2 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 |
| Value | 5.4 | 0.0 | 0.0 | -1.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -5.0 | 0.0 | 0.0 | 0.0 | 5.8 | 0.0 | 1.1 |
| Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 |
| Value | 2.9 | -2.6 | 4.8 | 0.0 | 0.0 | 0.0 | -2.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -1.1 | 0.0 | 0.0 | 0.0 | -2.0 | 0.0 | 0.1 |
| Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax | 53.7 | 0.0 | 0.0 | -0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 22.0 | 0.0 | 0.0 | 0.0 | -34.5 | 0.0 | 9.1 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 |
| Value | -6.3 | 12 | -27.9 | -1.1 | 5.0 | 2.3 | 13 | -8.9 | 11 | -3.2 | 5.1 |
| Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax | -116.7 | 0.0 | 0.0 | 68.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 |
| Value | 4.5 | 0.7 | 12 | -27.9 |
| Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 |
| Value | -0.6 | 2.1 | -2.6 | 4.8 |
| Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 |
| Value | 10 | 6.2 | 11 | 63 | -127.4 | 23 | -14.0 | 10 | 0.9 | -42.9 | 54 | -42.3 | 47 | -9.3 | 20 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 |
| Value | 23 | 3.0 | 21 | 61 | -143.3 | -5.0 | 17 | 24 | 54 | -38.1 | 50 | -5.5 | 15 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 |
| Value | 0.0 | 0.0 | 0.0 | 5.2 | -14.7 | 7.6 | -2.9 | 0.0 | 0.0 | 5.5 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax | 0.0 | -0.0 | -0.0 | 29.5 | -59.3 | 13.9 | 7.6 | 0.0 | -0.0 | 35.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 |
| Value | 10.0 | 6.7 | -4.0 | -14.1 | 7.1 | 15 | 10 | 12 | 9.2 | 6.7 | 8.2 | 1.3 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 |
| Value | 9.8 | 7.5 | -3.5 | -14.1 | 7.6 | 17 | 12 | 13 | 9.7 | 6.4 | 8.0 | 2.4 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax | 98.0 | 111.9 | 87.5 | 100.0 | 107.0 | 111.0 | 117.8 | 106.5 | 105.4 | 95.5 | 97.6 | 184.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 |
| Value | -0.6 | -0.6 | -0.6 | -0.6 | -0.6 | -0.2 | -0.6 | -0.3 | 0.0 | 0.0 | 0.0 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax | -6.0 | -9.0 | 15.0 | 4.3 | -8.5 | -1.3 | -5.6 | -2.4 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2019-06-29 |
| Value | -0.1 | 0.2 | 0.0 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax | 2.5 | -1.4 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 |
| Value | 0.8 | -0.2 | 0.2 | 0.4 | 0.1 | -1.5 | -1.3 | -0.5 | -0.5 | 0.3 | 0.2 | -1.1 |
| Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax | 8.0 | -3.0 | -5.0 | -2.8 | 1.4 | -9.7 | -12.1 | -4.0 | -5.4 | 4.5 | 2.4 | -84.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 |
| Value | -2.6 | 9.9 | -13.9 | -12.6 | 23 | 1.7 | 0.0 | 0.0 | 0.0 |
| Percentage of OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2009-12-31 |
| Value | 6.2 | 9.9 | 11 | 20 | 4.4 | 47 | 10 | 13 | 16 | 11 | 19 | 16 | 6.5 | 5.5 | 10.0 | 34 | 7.5 | 8.0 | 7.5 | 15 | 10 | 9.3 | 8.7 | 21 | 9.0 | 32 | 19 | 16 | 17 | 29 | 21 | 17 | 10 | 11 | 8.4 | 9.3 | 13 | 3.2 | 9.4 | 13 | 8.9 | 4.2 | 4.3 | 12 | 4.0 | 20 |
| Percentage of OtherExpenses | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2009-12-31 |
| Value | 4.7 | 7.4 | 7.2 | 15 | -37.1 | 55 | 62 | -40.6 | 12 | -15.3 | 45 | 16 | 4.0 | -27.5 | 27 | -28.6 | -15.0 | 1.4 | -14.2 | 7.0 | -1.8 | 8.2 | -64.6 | 14 | 24 | 44 | -67.4 | 26 | 22 | 21 | -4.9 | 0.6 | -0.4 | 20 | -18.0 | 5.3 | -13.7 | 2.1 | -20.8 | 4.4 | 14 | 3.9 | 76 | -33.2 | 23 |
| Percentage of OtherOperatingActivitiesCashFlowStatement | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | 0.3 | 30 | 4.7 | 31 | -0.2 | -19.0 | -10.7 | 7.6 | 6.1 | -6.2 | -2.0 | -6.6 | -0.2 | 25 | -1.4 | -22.4 | -2.4 | 7.9 | 4.7 | -1.3 | -52.3 | 1.8 | -30.3 | 18 | -0.4 | -7.9 | -3.1 | -5.9 | 0.9 | 14 | -8.9 | -0.1 | 10 | -51.3 | 4.0 | 1.0 | 4.8 | -4.9 | -2.1 | -2.2 | -27.3 | 6.6 | 7.2 | 0.5 | 1.5 | -4.1 | 2.2 |
| Percentage of PaymentsForProceedsFromOtherInvestingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 95 |
| Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest | 100.0 |
| Period End | 2020-12-31 |
| Value | 626 |
| Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest | 655.5 |
| Period End | 2020-12-31 |
| Value | 175 |
| Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest | 183.8 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 |
| Value | 32 | 20 | 12 | 52 | 16 | 46 | 29 | 58 | 20 | 27 | 33 | 11 | 12 | 14 | 11 | 11 | 14 | 7.7 | 8.6 | 11 | 12 | 23 | 13 | 19 | 10 | 11 | 15 | 38 | 25 | 21 | 26 | 13 |
| Percentage of PaymentsForRestructuring | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2013-12-31 | 2013-09-28 |
| Value | 0.3 | 0.8 | 1.7 | 0.7 | 0.1 | 0.2 | 0.3 | 0.6 | 1.8 | 0.8 | 0.8 | 0.0 | 0.1 | 0.2 | 0.1 | 0.1 | 0.8 | 0.3 | 0.4 | 0.1 | 0.2 | 0.1 | 0.1 | 0.3 | 0.3 | 0.8 | 0.2 | 0.1 | 0.2 | 0.0 |
| Percentage of PaymentsForRestructuring | 0.9 | 4.0 | 14.0 | 1.3 | 0.6 | 0.4 | 1.0 | 1.0 | 9.0 | 2.9 | 2.4 | 0.0 | 0.8 | 1.3 | 0.8 | 0.9 | 5.4 | 3.9 | 4.7 | 0.9 | 1.6 | 0.4 | 0.8 | 1.5 | 2.9 | 7.3 | 1.3 | 0.3 | 0.8 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 |
| Value | 28 | 16 | 17 | 46 | 14 | 44 | 27 | 50 | 15 | 25 | 31 | 9.0 | 9.9 | 13 | 11 | 8.5 | 13 | 6.2 | 6.1 | 9.8 | 12 | 23 | 12 | 17 | 8.9 | 9.5 | 11 | 29 | 21 | 20 | 24 | 10 |
| Percentage of PaymentsForRestructuring | 88.8 | 79.2 | 143.0 | 88.5 | 86.4 | 95.3 | 90.9 | 86.1 | 79.0 | 91.4 | 93.5 | 75.6 | 81.8 | 92.6 | 98.3 | 74.6 | 88.4 | 80.5 | 70.9 | 86.0 | 93.0 | 97.9 | 97.7 | 90.2 | 87.3 | 86.4 | 72.3 | 76.1 | 85.9 | 93.5 | 92.0 | 77.3 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 |
| Value | 3.3 | 3.4 | -6.9 | 5.3 | 2.1 | 2.0 | 2.4 | 7.5 | 2.4 | 1.6 | 1.4 | 2.9 | 2.1 | 0.9 | 0.1 | 2.8 | 0.9 | 1.2 | 2.1 | 1.5 | 0.7 | 0.4 | 0.2 | 1.6 | 1.0 | 0.7 | 4.1 | 9.0 | 2.9 | 1.4 | 1.9 | 3.0 |
| Percentage of PaymentsForRestructuring | 10.2 | 16.8 | -57.0 | 10.1 | 13.0 | 4.3 | 8.1 | 12.9 | 12.0 | 5.7 | 4.2 | 24.4 | 17.4 | 6.0 | 0.8 | 24.6 | 6.1 | 15.6 | 24.4 | 13.2 | 5.4 | 1.7 | 1.5 | 8.2 | 9.8 | 6.4 | 26.5 | 23.6 | 11.4 | 6.5 | 7.2 | 22.7 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2010-12-31 | 2010-10-02 | 2009-08-04 |
| Value | 0.1 | 0.0 | 0.0 | 6.9 | 0.0 | 0.2 | 6.3 | 0.0 | 0.0 | 0.0 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 14 | 0.0 | 0.0 | 3.8 | 0.0 | 0.0 | 0.0 | 13 | 0.0 | 0.0 | 4.8 | 0.0 | 0.0 | 36 |
| Percentage of PaymentsOfDebtIssuanceCosts | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 |
| Value | 0.0 | 1.0 |
| Percentage of PaymentsOfDebtIssuanceCosts | 0.0 | 14.5 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 |
| Value | 0.1 | 0.0 | 0.0 | 5.9 |
| Percentage of PaymentsOfDebtIssuanceCosts | 100.0 | 0.0 | 0.0 | 85.5 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2009-12-31 |
| Value | 77 | 2.8 | 43 | 0.0 | 45 | 2.4 | -0.1 | 31 | 14 | 0.0 | 45 | 19 | 38 | 15 | 1.2 | 26 | 18 | 0.5 | 14 | 0.0 | 11 | 4.3 | 11 | 0.1 | 8.4 | 10 | 1.0 | 5.8 | 10 | 18 | 10 | 3.9 | 18 | 0.0 | 1.1 | 3.2 | 0.0 | 0.3 | 8.2 | 10.0 | 2.3 | 9.3 | 7.0 |
| Percentage of PaymentsOfDividendsMinorityInterest | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 |
| Value | 0.0 | 669 |
| Percentage of ProceedsFromIssuanceOfSeniorLongTermDebt | 0.0 | 100.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2010-12-31 | 2010-10-02 |
| Value | 0.0 | 0.0 | 0.0 | 669 | 0.0 | 0.0 | 693 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 650 | 0.0 | 0.0 | 325 | 0.0 | 0.0 | 0.0 | 500 | 0.0 | 0.0 |
| Percentage of ProceedsFromIssuanceOfUnsecuredDebt | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-06-29 | 2019-03-30 |
| Value | 0.0 | 0.0 | 1000 | 0.0 | 0.0 |
| Percentage of ProceedsFromLinesOfCredit | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 |
| Value | 0.0 | 1000 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 500 | 0.0 |
| Percentage of ProceedsFromLongTermLinesOfCredit | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-12-31 | 2010-10-02 | 2010-07-03 | 2010-04-03 | 2009-12-31 |
| Value | -0.8 | -9.3 | -97.9 | -0.2 | -0.5 | -14.1 | -5.2 | -4.7 | -22.0 | -34.9 | -1.6 | -1.3 | -2.5 | -55.8 | -2.2 | 1.7 | -16.6 | -41.7 | -27.1 | -0.8 | -0.3 | -51.0 | 5.4 | -5.0 | -2.6 | -46.0 | 1.2 | -1.0 | -17.1 | -21.1 | -0.8 | -0.4 | -4.2 | -5.1 | -8.1 | -17.4 | 5.2 | -3.2 | -10.3 | -1.8 | -0.2 | -1.4 | -9.7 | -4.5 | 0.7 | 0.4 | 32 |
| Percentage of ProceedsFromPaymentsForOtherFinancingActivities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 |
| Value | -1.8 | -2.2 | -0.8 | -1.3 | -0.1 | 0.0 | -0.1 | -5.5 | -1.8 | -1.8 | -1.9 |
| Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 |
| Value | -11.0 | -0.8 | -1.3 | -1.5 | -1.6 | -1.6 | -1.2 | -1.1 | -1.3 | 8.3 | -0.9 | -0.8 | 1.7 | 23 | 0.8 | 0.6 | 1.1 | 0.7 | 1.2 | 1.1 |
| Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 |
| Value | -3.9 | -11.0 | 5.7 | 8.4 | 10.0 | 7.1 | 6.4 | 1.1 | 2.4 | 3.1 | 0.0 |
| Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax | 0.0 | 1375.0 | -438.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 |
| Value | 8.1 | 5.3 | -11.0 | 5.7 |
| Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax | -450.0 | -240.9 | 1375.0 | -438.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 |
| Value | 0.3 | 0.4 | 0.4 | 0.3 |
| Percentage of ReclassificationFromAociCurrentPeriodTax | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 |
| Value | 0.6 | 0.4 | -0.3 | -0.4 | 0.0 | -0.4 | -0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.5 | 11 | 0.3 | 0.5 | 0.2 | 0.2 | 0.3 | 0.5 |
| Percentage of ReclassificationFromAociCurrentPeriodTax | 0.0 | 100.0 | -100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 |
| Value | 0.1 | 3.1 | 1.4 | 2.4 | 2.7 | 2.1 | 1.8 | -0.2 | 0.7 | 1.0 | -0.1 |
| Percentage of ReclassificationFromAociCurrentPeriodTax | 0.0 | 775.0 | 466.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 |
| Value | -1.9 | -1.4 | 3.1 | -1.4 |
| Percentage of ReclassificationFromAociCurrentPeriodTax | -633.3 | -350.0 | 775.0 | -466.7 |
| Period End | 2020-10-03 |
| Value | 1000 |
| Percentage of RepaymentsOfLinesOfCredit | 100.0 |
| Period End | 2020-09-30 |
| Value | 1000 |
| Percentage of RepaymentsOfLinesOfCredit | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 |
| Value | 4.7 | 4.7 | 3.1 | 3.2 | 3.1 | 0.0 | 1.5 | 1.6 | 1.6 | 1.6 | 1.5 | 453 | 9.4 | 6.2 | 6.3 | 6.2 | 6.3 | 3.1 | 6.3 | 3.1 | 0.0 | 0.0 | 0.0 |
| Percentage of RepaymentsOfLongTermLinesOfCredit | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 |
| Value | 3.2 | 3.1 | 4.7 | 0.0 | 1.5 | 1.6 | 1.6 | 1.6 |
| Percentage of RepaymentsOfLongTermLinesOfCredit | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 |
| Value | 0.0 | 667 |
| Percentage of RepaymentsOfSeniorDebt | 0.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 |
| Value | 2.5 | 9.5 |
| Percentage of RepaymentsOfShortTermDebt | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2017-12-31 | 2016-12-31 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-26 | 2013-03-30 | 2012-12-31 | 2012-08-24 |
| Value | 0.0 | 0.0 | 0.0 | 667 | 0.0 | 0.0 | 333 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 327 | 0.0 | 0.0 | 0.0 | 72 | 72 | 0.0 | 72 |
| Percentage of RepaymentsOfUnsecuredDebt | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 0.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 |
| Value | 10 | 21 | 8.1 | 38 | 37 | 32 | 71 | 31 | 36 | 54 | 39 | 19 | 10.0 | 18 | 23 | 17 | 23 | 7.7 | 12 | 14 | 26 | 10 | 17 | 14 | 41 | 7.3 | 20 | 21 | 41 | 24 | 35 | 11 | 14 | 17 | 44 | 2.9 | 2.9 | 5.2 |
| Percentage of RestructuringCharges | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 |
| Value | 0.3 | 0.7 | 2.1 | -4.8 | 1.0 | 11 | 0.1 | 0.0 | 0.2 | 1.1 | 1.6 | -2.6 | 6.9 | 7.7 |
| Percentage of RestructuringCharges | 0.8 | 2.2 | 11.4 | -20.8 | 5.9 | 50.2 | 1.3 | 0.0 | 1.3 | 4.2 | 15.7 | -15.2 | 46.3 | 18.4 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 0.0 | 4.2 | 0.6 | 1.1 | 0.7 | 0.1 | 0.2 | 2.1 | 0.1 | 0.5 | 2.1 | -4.8 | 1.0 | 11 |
| Percentage of RestructuringCharges | 0.0 | 19.4 | 1.6 | 1.5 | 2.2 | 0.3 | 0.4 | 5.3 | 0.5 | 5.0 | 11.4 | -20.8 | 5.9 | 50.2 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 |
| Value | 5.0 | 9.0 | 1.9 | 13 | 2.7 | 1.9 | 1.7 | 2.6 | 6.9 | 7.7 | 2.9 | 4.2 | 3.7 |
| Percentage of RestructuringCharges | 12.9 | 28.2 | 10.3 | 58.9 | 15.9 | 8.2 | 22.1 | 21.0 | 46.3 | 29.5 | 28.4 | 24.6 | 24.8 |
| Period End | 2020-10-03 | 2019-09-28 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 |
| Value | 33 | 18 | 14 | 16 | 13 | 9.6 | 6.7 | 9.8 | 7.8 | 17 | 5.7 | 13 | 4.3 | 36 | 6.3 | 15 | 17 | 30 | 21 | 25 | 10 | 3.7 | 15 |
| Percentage of RestructuringCharges | 86.4 | 57.1 | 78.3 | 69.7 | 78.2 | 41.6 | 87.0 | 79.0 | 52.3 | 66.3 | 55.9 | 78.9 | 28.9 | 87.8 | 86.3 | 74.5 | 81.0 | 73.6 | 88.1 | 71.4 | 93.2 | 26.1 | 89.4 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 3.7 | 4.7 | 20 | 20 | 11 | 9.0 | 8.3 | 8.9 | 13 | 2.4 | 3.6 | 1.9 | 13 | 2.7 | 1.9 |
| Percentage of RestructuringCharges | 33.9 | 21.7 | 55.6 | 62.3 | 16.5 | 28.2 | 22.6 | 16.4 | 32.7 | 12.1 | 36.0 | 10.3 | 58.9 | 15.9 | 8.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 |
| Value | 7.2 | 12 | 13 | 12 | 58 | 18 | 28 | 45 | 24 | 17 | 5.9 | 14 | 16 | 13 | 9.6 |
| Percentage of RestructuringCharges | 66.1 | 59.0 | 35.6 | 37.7 | 81.9 | 57.1 | 77.1 | 83.2 | 62.1 | 87.4 | 59.0 | 78.3 | 69.7 | 78.2 | 41.6 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-03-28 |
| Value | 9.8 | 18 | 39 | 33 | 21 | 28 | 65 | 25 | 34 | 48 | 22 | 17 | 8.1 | 14 | 10 | 13 | 23 | 8.0 | 5.8 |
| Percentage of RestructuringCharges | 89.9 | 83.9 | 485.2 | 86.1 | 56.6 | 86.5 | 91.2 | 80.3 | 94.3 | 89.5 | 57.5 | 89.9 | 81.0 | 81.0 | 87.1 | 88.6 | 89.7 | 78.4 | 79.5 |
| Period End | 2020-10-03 |
| Value | 10 |
| Percentage of RestructuringCharges | 26.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-03-28 |
| Value | 1.1 | 3.5 | -7.000000000000002 | 5.4 | 13 | 4.4 | 6.3 | 2.3 | 2.1 | 5.7 | 16 | 2.0 | 1.9 | 3.5 | 1.9 | 1.7 | 2.7 | 2.2 | 1.5 |
| Percentage of RestructuringCharges | 10.1 | 16.1 | -86.4 | 13.9 | 36.2 | 13.5 | 8.8 | 7.2 | 5.7 | 10.5 | 41.7 | 10.1 | 19.0 | 19.0 | 15.3 | 11.4 | 10.3 | 21.6 | 20.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 |
| Value | 0.2 | 0.2 | 2.0 | 10 | 5.5 | 0.4 | 1.5 | 2.1 | 1.9 | 1.2 | 0.7 | 0.9 | 0.9 | 0.0 |
| Percentage of RestructuringCharges | 1.8 | 0.9 | 5.3 | 31.9 | 7.7 | 1.3 | 4.1 | 3.9 | 4.8 | 6.1 | 7.0 | 4.9 | 3.9 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 |
| Value | 0.2 | -1.0 | 1.1 | 0.3 | 0.4 | 0.2 | 0.6 | 0.4 | 0.5 | 1.5 | 0.6 | 0.4 | 0.2 | 0.3 | 0.2 | 0.1 | 1.1 | 0.3 | 0.4 | -0.6 | 0.2 | 0.1 | 0.1 | 0.2 | 0.4 | 1.0 | 0.2 | 0.2 | 2.5 | 0.0 | 0.0 | 0.3 | 0.5 | 0.5 | 0.5 | 0.4 |
| Percentage of RestructuringCharges | 1.8 | -4.6 | 13.6 | 0.8 | 1.1 | 0.6 | 0.8 | 1.3 | 1.4 | 2.8 | 1.5 | 2.0 | 2.0 | 1.6 | 0.9 | 0.6 | 4.8 | 3.9 | 3.2 | -4.0 | 0.8 | 1.0 | 0.6 | 1.3 | 1.0 | 13.7 | 1.0 | 1.0 | 7.1 | 0.0 | 0.0 | 1.8 | 1.1 | 17.2 | 17.2 | 7.7 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 |
| Value | 7.2 | 19 | 19 | 31 | 33 | 20 | 62 | 23 | 32 | 49 | 35 | 15 | 7.0 | 16 | 21 | 14 | 20 | 6.1 | 8.7 | 13 | 22 | 9.7 | 14 | 11 | 39 | 4.5 | 15 | 11 | 38 | 22 | 26 | 8.3 | 11 | 8.2 | 36 | 2.2 | 2.0 | 4.7 |
| Percentage of RestructuringCharges | 66.1 | 88.0 | 245.7 | 80.2 | 88.0 | 61.3 | 88.1 | 74.0 | 88.0 | 90.4 | 90.2 | 77.3 | 70.0 | 88.6 | 94.8 | 82.9 | 90.0 | 79.2 | 70.2 | 91.9 | 84.3 | 95.1 | 84.2 | 75.2 | 95.5 | 61.6 | 77.0 | 56.2 | 92.5 | 94.2 | 74.3 | 70.9 | 81.7 | 48.2 | 82.8 | 75.9 | 69.0 | 90.4 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 |
| Value | 3.3 | 3.4 | -6.9 | 5.3 | 2.1 | 2.0 | 2.4 | 7.5 | 2.4 | 1.6 | 1.4 | 2.9 | 2.1 | 0.9 | 0.1 | 2.8 | 0.9 | 1.2 | 2.1 | 1.5 | 0.7 | 0.4 | 0.3 | 3.5 | 1.0 | 0.7 | 4.1 | 9.0 | 2.9 | 1.4 | 1.9 | 3.0 | 2.4 | 4.5 | 1.1 | 0.2 | 0.4 | 0.1 |
| Percentage of RestructuringCharges | 30.3 | 15.7 | -85.2 | 13.6 | 5.6 | 6.1 | 3.4 | 23.5 | 6.5 | 2.9 | 3.5 | 14.6 | 21.0 | 4.9 | 0.4 | 16.5 | 3.9 | 15.6 | 16.9 | 10.1 | 2.7 | 3.9 | 1.8 | 23.5 | 2.4 | 9.6 | 20.1 | 42.9 | 7.0 | 5.8 | 5.4 | 25.6 | 16.9 | 26.5 | 2.5 | 6.9 | 13.8 | 1.9 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 |
| Value | 0.2 | 0.2 | 8.8 | 2.1 | 2.0 | 10 | 5.5 | 0.4 | 1.5 | 2.1 | 1.9 | 1.2 | 0.7 | 0.9 | 0.9 | 0.0 | 0.3 | 0.1 | 1.2 | 0.3 |
| Percentage of RestructuringReserveSettledWithoutCash2 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 |
| Value | 0.2 | 0.2 | 2.0 | 10 | 5.5 | 0.4 | 1.5 | 2.1 | 1.9 | 1.2 |
| Percentage of RestructuringReserveSettledWithoutCash2 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-07-04 | 2020-04-04 | 2019-06-29 | 2019-03-30 |
| Value | 30 | 63 | 45 | 37 | 29 | 36 |
| Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 |
| Value | 4.4 | 4.2 | 4.1 | 3.3 | 3.9 | 4.1 | 4.9 | 3.1 | 4.6 | 4.4 |
| Percentage of ShortTermLeaseCost | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 |
| Value | 300000.0 | -800000.0 | 500000.0 |
| Percentage of StandardProductWarrantyAccrualForeignCurrencyTranslationGainLoss | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 |
| Value | 3.6 | 3.6 | 3.3 |
| Percentage of StandardProductWarrantyAccrualPayments | 100.0 | 100.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 21616.0 | 123830.0 | 6415.0 | 23786.0 | 4732.0 | 280020.0 | 5935.0 | 23416.0 | 14183.0 | 327500.0 |
| Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 0.0 | 1.1 | -27.6 | -3.6 | 0.9 | -6.7 | -6.5 | 2.3 | 9.2 | 5.4 |
| Percentage of TemporaryEquityAccretionToRedemptionValue | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 |
| Value | 0.0 | 0.0 | -26.5 | -3.6 | 0.9 | -6.7 | -6.5 | 2.3 | 9.2 | 5.4 | 2.8 | 22 | 0.0 | 0.0 | 0.0 | 0.0 |
| Percentage of TemporaryEquityAccretionToRedemptionValueAdjustment | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2018-03-30 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 |
| Value | 183.56 | 0 | 0 | 0 | 109.22 | 0.11 | 123.06 | 136.63 | 146.56 | 1.58 | 169.6 | 195.35 | 187.41 | 1.99 | 1.55 | 0.85 | 1.37 | 142.1 | 1.03 | 1.42 | 2.39 | 107.7 | 1.37 | 1.6 | 1.66 | 109.09 | 1.76 | 0 | 0 | -0.44 | 54.52 | 0.49 | -0.53 | -3.95 | 45.58 | -2.42 | -2.72 | -1.54 | 51.83 |
| Percentage of TreasuryStockAcquiredAverageCostPerShare | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 |
| Value | 0.0 | 0.641149 | 0.2152 | 0.616635 | 1.182976 | 0.80427 | 1.61123 | 1.149839 | 0.717989 | 0.82936 | 1.624019 | 1.028263 | -1598.847168 | 1600 | 0.0 | 0.0 | 11 | 3.670922 | 1.157292 | 1.25738 | 1.790858 | 1.151913 | 2.099906 | 2.094249 | 1.459276 | 0.528998 |
| Percentage of TreasuryStockSharesAcquired | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 |
| Value | 0.0 | 0.0 | 0.0 | 70 | 25 | 75 | 161 | 117 | 214 | 195 | 140 | 155 | 122 | 77 | 126 | 127 | 101 | 152 | 250 | 154 | 104 | 148 | 122 | 112 | 152 | 103 | 156 | 0.0 | 0.0 | 0.0 | 800 | 200 | 50 | 50 | 70 | 52 | 84 | 94 | 72 | 27 |
| Percentage of TreasuryStockValueAcquiredCostMethod | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 |
| Value | 31 | 0.0 | 0.0 | 0.0 | 70 | 25 | 75 | 161 | 117 | 214 | 195 | 140 | 155 | 122 | 77 | 126 | 127 | 101 | 152 | 250 | 154 | 104 | 148 | 122 | 112 | 152 | 103 | 156 | 0.0 | 0.0 | 0.0 | 800 | 200 | 50 | 50 | 70 | 52 | 84 | 94 | 72 | 27 |
| Percentage of TreasuryStockValueAcquiredCostMethod | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 |
| Value | 31 | 0.0 | 0.0 | 0.0 | 70 | 25 | 75 | 161 | 117 | 214 | 195 | 140 | 155 |
| Percentage of TreasuryStockValueAcquiredCostMethod | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 16 |
| Percentage of ValuationAllowanceDeferredTaxAssetChangeInAmount | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 |
| Value | 2200000.0 | 2200000.0 | 2100000.0 | 2200000.0 | 1800000.0 | 1900000.0 | 3300000.0 | 1400000.0 | 1200000.0 | 600000.0 |
| Percentage of VariableLeaseCost | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-10-01 | 2011-07-02 | 2011-04-02 | 2010-10-02 | 2010-07-03 |
| Value | 0.319505 | 0.248286 | 0.171585 | 0.0 | 0.16914 | 0.196363 | 0.163312 | 0.304405 | 0.495831 | 0.387678 | 0.476126 | 0.772561 | 0.54484 | 0.66898 | 0.792504 | 0.5416 | 0.784864 | 1.156893 | 0.598194 | 0.829008 | 1.428414 | 1.020307 | 1.685786 | 1.079825 | 1.033769 | 1.054352 | 1.38252 | 1.483916 | 1.61363 | 2.452053 | 2.746466 | 3.181911 | 8.884432 | 15 |
| Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-07-04 |
| Value | 6453 |
| Percentage of EntityPublicFloat | 100.0 |
| Period End | 2020-10-03 |
| Value | 12 |
| Percentage of AmountOfCarryingAmountInExcessOfFairValue | 100.0 |
| Period End | 2020-10-03 |
| Value | 50 |
| Percentage of LesseeOperatingLeaseLeaseNotyetCommenced | 100.0 |
| Period End | 2020-10-03 |
| Value | 220 |
| Percentage of LesseeOperatingLeaseLiabilityToBePaidAfterYearFour | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2019-09-28 | 2019-06-29 |
| Value | 12 | 9.5 | 8.9 | 1.2 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssetsAndLiabilitiesNet | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 33 |
| Percentage of CashFlowAndNetInvestmentHedgeGainLossToBeReclassifiedWithinTwelveMonths | 100.0 |
| Period End | 2020-12-31 |
| Value | 2321 |
| Percentage of DebtAndLeaseObligationGross | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 43 | 43 | 37 | 37 |
| Percentage of DeferredTaxAssetsCurrentAssetBasisDifference | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 280 | 294 | 260 | 341 |
| Percentage of DeferredTaxAssetsTaxCreditCarryforwardsNetofStockBasedCompensationAdjustment | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 36 | 65 | 77 | 88 |
| Percentage of DeferredTaxLiabilitiesLongTermAssetBasisDifference | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 |
| Value | 50 | 52 | 52 |
| Percentage of LesseeOperatingLeaseLeaseNotyetCommenced | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 |
| Value | 198 | 185 |
| Percentage of LesseeOperatingLeaseLiabilityToBePaidAfterYearFour | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 82500.0 |
| Percentage of NumberOfEmployeesEmployedUnderCollectiveBargainingAgreements | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 47.0 | 0.5 | 0.48 |
| Percentage of PercentageOfEmployeesEmployedUnderCollectiveBargainingAgreements | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 1.0 | 0.02 | 0.01 |
| Percentage of PercentageOfEmployeesEmployedUnderCollectiveBargainingAgreements | 2.1 | 4.0 | 2.1 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 |
| Value | 85.0 | 0.88 | 0.72 |
| Percentage of PercentageOfEmployeesEmployedUnderCollectiveBargainingAgreements | 180.9 | 176.0 | 150.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2010-12-31 |
| Value | 8.6 | 8.6 | 8.9 | 8.8 | 9.2 | 9.2 | 9.3 | 9.3 | 8.9 | 9.0 | 9.0 | 8.9 | 8.9 | 8.9 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.1 | 9.1 | 12 | 9.1 | 9.1 | 9.1 | 8.5 | 4.8 | 4.8 | 4.9 | 4.9 | 5.0 | 5.1 | 5.0 | 5.1 | 5.2 | 5.2 | 3.7 | 2.8 | 2.8 | 2.9 | 2.6 | 2.7 |
| Percentage of AccrualForEnvironmentalLossContingencies | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2017-12-31 |
| Value | 21 | 10 | 4.7 | -33.4 | -44.6 | -108.0 | -19.4 | -4.4 | 9.6 | -0.8 | -1.7 | 41 | -12.8 | -18.2 |
| Percentage of AccumulatedOtherComprehensiveIncomeLossBeforeTax1 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 |
| Value | 34 | 36 | 35 | 34 | 36 | 36 | 36 |
| Percentage of AllowanceForDoubtfulAccountsReceivable | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 35 | 36 | 33 | 41 | 32 | 34 | 27 | 34 | 35 | 30 | 14 |
| Percentage of AllowanceForDoubtfulAccountsReceivableCurrent | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 | 2015-09-26 | 2015-06-27 | 2015-03-28 | 2014-12-31 | 2014-09-27 | 2014-06-28 | 2014-03-29 | 2013-12-31 | 2013-09-28 | 2013-06-29 | 2013-03-30 | 2012-12-31 | 2012-09-29 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-10-01 | 2011-07-02 | 2010-12-31 |
| Value | 851 | 866 | 880 | 838 | 819 | 801 | 831 | 811 | 822 | 817 | 809 | 778 | 783 | 821 | 797 | 772 | 722 | 681 | 648 | 648 | 613 | 594 | 560 | 561 | 559 | 546 | 523 | 538 | 547 | 541 | 532 | 513 | 499 | 496 | 475 | 470 | 450 | 415 | 406 | 399 | 403 | 360 |
| Percentage of BuildingsAndImprovementsGross | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2019-09-28 | 2019-06-29 |
| Value | 90 | 93 | 93 | 122 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2019-09-28 | 2019-06-29 |
| Value | 321 | 321 | 321 | 320 |
| Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2018-12-31 | 2017-12-31 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2015-12-31 |
| Value | 1400000.0 | 5100000.0 | 8100000.0 | 5500000.0 | 5500000.0 | 5700000.0 | 6400000.0 | 6600000.0 | 7600000.0 |
| Percentage of CapitalLeaseObligations | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2016-12-31 |
| Value | 2312 | 2317 | 2320 | 2326 | 2328 | 2331 | 2334 | 1968 | 1970 | 1971 | 1973 | 1975 | 1943 |
| Percentage of DebtInstrumentCarryingAmount | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-12-31 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2016-12-31 |
| Value | 225 | 234 | 246 | 248 | 250 | 468 |
| Percentage of DebtInstrumentCarryingAmount | 9.7 | 10.0 | 12.5 | 12.6 | 12.7 | 24.1 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2017-12-31 |
| Value | 210 | 215 | 220 | 228 | 231 | 234 | 239 | 239 | 240 | 242 | 243 | 245 | 248 |
| Percentage of DebtInstrumentCarryingAmount | 9.1 | 9.3 | 9.5 | 9.8 | 9.9 | 10.0 | 0.0 | 0.0 | 0.0 | 0.0 | 12.4 | 12.4 | 12.6 |
| Period End | 2020-10-03 |
| Value | 625 |
| Percentage of DebtInstrumentCarryingAmount | 26.9 |
| Period End | 2020-10-03 |
| Value | 350 |
| Percentage of DebtInstrumentCarryingAmount | 15.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2019-12-31 | 2019-09-28 | 2019-06-29 |
| Value | 625 | 625 | 625 | 325 | 325 | 325 |
| Percentage of DebtInstrumentCarryingAmount | 27.0 | 27.0 | 26.9 | 13.9 | 0.0 | 0.0 |
| Period End | 2020-10-03 | 2019-12-31 |
| Value | 1.36 | 2.88 |
| Percentage of DebtInstrumentInterestRateEffectivePercentage | 100.0 | 100.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2018-12-31 |
| Value | 1.35 | 1.34 | 1.36 | 0.0136 | 0.0212 | 0.0288 | 0.0392 |
| Percentage of DebtInstrumentInterestRateEffectivePercentage | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 |
| Period End | 2020-10-03 |
| Value | 5.103 |
| Percentage of DebtInstrumentInterestRateEffectivePercentage | 375.2 |
| Period End | 2020-10-03 |
| Value | 3.525 |
| Percentage of DebtInstrumentInterestRateEffectivePercentage | 259.2 |
| Period End | 2020-10-03 | 2019-12-31 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-08-31 |
| Value | 3.885 | 3.885 | 0.03885 | 0.03885 | 0.03885 | 0.03885 |
| Percentage of DebtInstrumentInterestRateEffectivePercentage | 285.7 | 134.9 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-05-31 |
| Value | 5.103 | 5.103 | 4.821 | 0.05363 | 0.05363 | 0.05363 | 0.05363 |
| Percentage of DebtInstrumentInterestRateEffectivePercentage | 0.0 | 0.0 | 0.0 | 1.9 | 0.0 | 0.0 | 0.0 |
| Period End | 2020-12-31 | 2020-07-04 | 2020-04-04 |
| Value | 5.103 | 0.05103 | 0.05103 |
| Percentage of DebtInstrumentInterestRateEffectivePercentage | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 |
| Value | 3.525 | 3.525 | 3.525 | 0.03525 | 0.03525 |
| Percentage of DebtInstrumentInterestRateEffectivePercentage | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-05-31 |
| Value | 4.288 | 4.288 | 4.288 | 0.04288 | 0.04288 | 0.04288 | 0.04288 | 0.04288 | 0.04288 |
| Percentage of DebtInstrumentInterestRateEffectivePercentage | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.5 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2017-12-31 | 2017-08-31 |
| Value | 3.885 | 3.885 | 3.885 | 0.03885 | 0.03885 | 0.03885 | 0.03885 | 0.03885 | 0.03885 | 0.03885 | 0.03885 | 0.03885 | 0.03885 | 0.03885 |
| Percentage of DebtInstrumentInterestRateEffectivePercentage | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 |
| Value | -9.0 | -9.0 | -9.0 | -8.9 | -8.8 | -8.7 | 10 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 |
| Value | -14.3 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumNet | 160.7 |
| Period End | 2020-10-03 |
| Value | 0.7 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumNet | -7.9 |
| Period End | 2020-10-03 | 2019-12-31 |
| Value | 1.0 | 1.1 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumNet | -11.2 | 10.5 |
| Period End | 2020-10-03 | 2019-12-31 |
| Value | 3.7 | 4.1 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumNet | -41.6 | 39.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2019-12-31 |
| Value | -13.9 | -14.0 | -14.2 | 5.3 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumNet | 154.4 | 155.6 | 157.8 | 50.5 |
| Period End | 2020-12-31 | 2020-07-04 | 2020-04-04 |
| Value | -14.2 | -14.4 | -14.5 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumNet | 157.8 | 163.6 | 166.7 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 |
| Value | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumNet | -7.8 | -7.8 | -7.8 | -9.1 | -9.2 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 |
| Value | 0.9 | 0.9 | 1.0 | 1.0 | 1.1 | 1.1 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumNet | -10.0 | -10.0 | -11.1 | -11.4 | -12.6 | 10.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 |
| Value | 3.3 | 3.4 | 3.5 | 3.8 | 3.9 | 4.1 |
| Percentage of DebtInstrumentUnamortizedDiscountPremiumNet | -36.7 | -37.8 | -38.9 | -43.2 | -44.8 | 39.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-10-03 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-07-01 | 2017-04-01 | 2016-12-31 | 2016-10-01 | 2016-07-02 | 2016-04-02 | 2015-12-31 |
| Value | 15 | 15 | 16 | 16 | 17 | 17 | 16 | 16 | 17 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 14 | 15 | 15 | 16 | 17 | 17 | 18 |
| Percentage of DeferredFinanceCostsNet | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-10-03 | 2019-12-31 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2016-12-31 |
| Value | 0.7 | 1.0 | 1.8 | 1.8 | 1.9 | 1.6 |
| Percentage of DeferredFinanceCostsNet | 4.2 | 6.2 | 11.6 | 11.3 | 11.6 | 10.1 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2017-12-31 |
| Value | 0.4 | 0.5 | 0.6 | 0.8 | 0.9 | 1.0 | 1.1 | 1.2 | 1.3 | 1.5 | 1.6 | 1.6 | 1.8 |
| Percentage of DeferredFinanceCostsNet | 2.6 | 3.2 | 3.7 | 4.7 | 5.2 | 6.2 | 6.6 | 7.0 | 9.9 | 10.9 | 11.2 | 10.8 | 11.3 |
| Period End | 2020-10-03 |
| Value | 6.3 |
| Percentage of DeferredFinanceCostsNet | 38.0 |
| Period End | 2020-10-03 |
| Value | 2.7 |
| Percentage of DeferredFinanceCostsNet | 16.3 |
| Period End | 2020-10-03 | 2019-12-31 |
| Value | 2.7 | 2.9 |
| Percentage of DeferredFinanceCostsNet | 16.3 | 18.0 |
| Period End | 2020-10-03 | 2019-12-31 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2016-12-31 |
| Value | 4.2 | 4.7 | 5.8 | 5.9 | 6.0 | 0.0 |
| Percentage of DeferredFinanceCostsNet | 25.3 | 29.2 | 37.4 | 37.1 | 36.6 | 0.0 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2019-12-31 | 2019-09-28 | 2019-06-29 |
| Value | 6.2 | 6.2 | 6.3 | 3.3 | 3.4 | 3.3 |
| Percentage of DeferredFinanceCostsNet | 40.8 | 39.5 | 38.9 | 20.5 | 20.4 | 19.3 |
| Period End | 2020-12-31 | 2020-07-04 | 2020-04-04 |
| Value | 6.3 | 6.4 | 6.4 |
| Percentage of DeferredFinanceCostsNet | 38.9 | 37.6 | 36.8 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 |
| Value | 2.4 | 2.5 | 2.6 | 2.7 | 2.8 |
| Percentage of DeferredFinanceCostsNet | 15.8 | 15.9 | 16.0 | 15.9 | 16.1 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 |
| Value | 2.5 | 2.6 | 2.6 | 2.7 | 2.8 | 2.9 | 3.0 | 3.0 |
| Percentage of DeferredFinanceCostsNet | 16.4 | 16.6 | 16.0 | 15.9 | 16.1 | 18.0 | 18.0 | 17.5 |
| Period End | 2021-07-03 | 2021-04-03 | 2020-12-31 | 2020-07-04 | 2020-04-04 | 2019-12-31 | 2019-09-28 | 2019-06-29 | 2019-03-30 | 2018-12-31 | 2018-09-29 | 2018-06-30 | 2017-12-31 |
| Value | 3.7 | 3.9 | 4.1 | 4.4 | 4.5 | 4.7 | 4.8 | 5.0 | 5.1 | 5.3 | 5.4 | 5.6 | 5.9 |
| Percentage of DeferredFinanceCostsNet | 24.3 | 24.8 | 25.3 | 25.9 | 25.9 | 29.2 | 28.7 | 29.2 | 38.9 | 38.4 | 37.8 | 37.8 | 37.1 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 84 | 86 | 83 | 91 |
| Percentage of DeferredIncomeTaxLiabilities | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 983 | 822 | 795 | 957 | 905 | 1096 | 1258 | 1281 | 1377 | 1497 | 1436 |
| Percentage of DeferredTaxAssetsGross | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 423 | 419 | 420 | 452 | 485 | 559 | 588 | 690 | 708 | 806 | 892 |
| Percentage of DeferredTaxAssetsOperatingLossCarryforwards | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 |
| Value | 1500 |
| Percentage of DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration | 100.0 |
| Period End | 2020-12-31 |
| Value | 247 |
| Percentage of DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration | 100.0 |
| Period End | 2020-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 280 | 419 | 437 | 412 | 334 | 252 |
| Percentage of DeferredTaxAssetsTaxCreditCarryforwards | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2034-01-01 | 2015-01-01 |
| Value | 0.0 | 442 |
| Percentage of DeferredTaxAssetsTaxCreditCarryforwards | 0.0 | 0.0 |
| Period End | 2020-12-31 |
| Value | 114 |
| Percentage of DeferredTaxAssetsTaxCreditCarryforwardsForeign | 100.0 |
| Period End | 2020-12-31 |
| Value | 45 |
| Percentage of DeferredTaxAssetsTaxCreditCarryforwardsOther | 100.0 |
| Period End | 2020-12-31 |
| Value | 120 |
| Percentage of DeferredTaxAssetsTaxCreditCarryforwardsResearch | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 22 | 27 | 35 | 41 | 57 | 58 | 48 | 40 | 33 | 28 | 18 |
| Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 |
| Value | 82 | 59 | 54 | 58 | 89 | 100 | 119 | 74 |
| Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 177 | 136 | 136 | 144 | 158 | 131 | 136 | 133 | 115 | 106 | 104 |
| Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 7.1 | 5.8 | 5.3 | 5.9 | 8.4 | 7.8 | 8.6 | 9.5 | 11 | 10 | 11 |
| Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 |
| Value | -67.1 | 10 | 6.9 | 9.5 | 12 | 22 |
| Percentage of DeferredTaxLiabilitiesDeferredExpenseCapitalizedResearchAndDevelopmentCosts | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Value | 8900000.0 | 5800000.0 | 2700000.0 | 400000.0 |
| Percentage of DeferredTaxLiabilitiesOther | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 |
| Value | 71 | 76 | 75 | 41 | 62 | 50 | 54 | 54 |
| Percentage of DeferredTaxLiabilitiesUndistributedForeignEarnings | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 |
| Value | 1079 | 990 | 1034 | 973 | 1099 | 1192 | 1031 | 1151 | 944 | 915 |
| Percentage of DefinedBenefitPlanAccumulatedBenefitObligation | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | -12.4 | -21.5 | -28.5 | -29.1 | -25.1 |
| Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 149 | 105 | 86 | 95 | 110 |
| Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax | -1204.8 | -492.6 | -302.1 | -329.6 | -438.6 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 2.9 | 0.8 | 0.6 | 4.8 | 5.2 |
| Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax | -23.4 | -3.7 | -2.1 | -16.5 | -20.7 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 162 | 137 | 107 | 109 | 100 |
| Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax | -1308.1 | -637.7 | -376.8 | -375.3 | -402.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | 11 | 19 | 26 | 27 | 25 |
| Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Period End | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 |
| Value | -149.4 | -105.9 | -86.1 | -95.9 | -110.1 |
| Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax | -1333.9 | -540.3 | -323.7 | -355.2 | -438.6 |
