ILMN


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesIssued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService

us-gaap:CostOfRevenue

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense
us-gaap:LongtermDebtType
us-gaap:InterestExpenseDebt

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

us-gaap:ResearchAndDevelopmentExpense

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:ShortTermInvestments

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:StatementGeographical

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent
us-gaap:LongtermDebtType

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebtNoncurrent
us-gaap:LongtermDebtType

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:BusinessAcquisition
ilmn:BusinessAcquisitionContingentValueRightsConsiderationStockValue
ilmn:ContingentPaymentRights, us-gaap:BusinessAcquisition
ilmn:BusinessAcquisitionContingentValueRightsRevenueThreshold
us-gaap:BusinessAcquisition
ilmn:BusinessAcquisitionTerminationFee
us-gaap:BusinessAcquisition
ilmn:BusinessCombinationContinuationPayments
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
ilmn:BusinessCombinationMonthlyAdditionalPayments
us-gaap:BusinessAcquisition
ilmn:BusinessCombinationThresholdOfContinuationPayments
dei:LegalEntity
ilmn:ContingentValueUnrealizedGainLoss

ilmn:CostOfGoodsAndServicesSoldAmortizationOfAcquiredIntangibleAssets

ilmn:IncreaseDecreaseOfOperatingLeasesNet

ilmn:LossContingencyRoyaltyOnInvolvedProductsPercentage

ilmn:PaymentsForProceedsFromStrategicInvestments

ilmn:PaymentsForStrategicInvestments

ilmn:ProceedsFromStrategicInvestments

ilmn:StockIssuedDuringPeriodNetOfRepurchasesValue
us-gaap:StatementEquityComponents

ilmn:StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue
us-gaap:StatementEquityComponents

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AmortizationOfDebtDiscountPremium
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:CostOfGoodsAndServicesSoldAmortization
us-gaap:DebtInstrument
us-gaap:DebtConversionConvertedInstrumentAmount1
us-gaap:DebtInstrument
us-gaap:DebtConversionConvertedInstrumentSharesIssued1
us-gaap:DebtInstrument
us-gaap:DebtConversionOriginalDebtAmount1
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleStockPriceTrigger

us-gaap:Depreciation

us-gaap:DerivativeGainLossOnDerivativeNet
dei:LegalEntity, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FinitelivedIntangibleAssetsAcquired1

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InvestmentIncomeInterest

us-gaap:LossContingencyDamagesSoughtValue

us-gaap:MarketableSecuritiesGainLoss

us-gaap:MarketableSecuritiesRealizedGainLoss

us-gaap:MarketableSecuritiesUnrealizedGainLoss

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentsForProceedsFromDerivativeInstrumentInvestingActivities

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
us-gaap:LongtermDebtType
us-gaap:ProceedsFromDebtNetOfIssuanceCosts

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProductWarrantyAccrualPayments

us-gaap:ProductWarrantyAccrualWarrantiesIssued

us-gaap:RepaymentsOfConvertibleDebt
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
us-gaap:Range, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

dei:EntityCommonStockSharesOutstanding
ilmn:ContingentPaymentRights, us-gaap:BusinessAcquisition
ilmn:BusinessAcquisitionContingentValueRightsProRataOnePercentage
ilmn:ContingentPaymentRights, us-gaap:BusinessAcquisition
ilmn:BusinessAcquisitionContingentValueRightsProRataTwoPercentage
us-gaap:BusinessAcquisition
ilmn:BusinessCombinationRequiredInvestmentToBeMadeIfMergerIsTerminated
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
ilmn:ContingentValueRightFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
ilmn:DebtInstrumentFaceAmountOptionalIncreaseInAdditionalBorrowings

ilmn:DeferredTaxAssetsOperatingLeaseLiabilities

ilmn:DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets

ilmn:LesseeOperatingLeaseArea

ilmn:LesseeOperatingLeaseLeaseNotYetCommencedLiability
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
ilmn:RemainingCapitalCommitment

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessAcquisition
us-gaap:AssetsNet
us-gaap:ConsolidatedEntities, us-gaap:Ownership

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
dei:LegalEntity, us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:FairValueByMeasurementFrequency

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:ContractWithCustomerLiability

us-gaap:ConvertibleDebtCurrent

us-gaap:ConvertibleDebtNoncurrent
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
dei:LegalEntity, us-gaap:BusinessAcquisition, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount
dei:LegalEntity, us-gaap:BusinessAcquisition, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFairValue
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:LongtermDebtType
us-gaap:DebtLongtermAndShorttermCombinedAmount
us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation
us-gaap:DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent
us-gaap:FairValueByMeasurementFrequency
us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation
us-gaap:DeferredCompensationPlanAssets
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxLiabilitiesFinancingArrangements

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesInvestments

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings
us-gaap:BusinessAcquisition
us-gaap:DerivativeAssets
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EquityMethodInvestments

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType
us-gaap:LongTermDebtFairValue

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:OtherCommitment

us-gaap:ProductWarrantyAccrual

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligationPercentage
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:StatementClassOfStock
us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
us-gaap:IncomeTaxAuthority
us-gaap:TaxCreditCarryforwardAmount
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

us-gaap:TaxCreditCarryforwardValuationAllowance

us-gaap:TreasuryStockShares

us-gaap:UndistributedEarningsOfForeignSubsidiaries
us-gaap:TaxPeriod

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
Interest Expense
Balance Sheet
Short Term Investments
Assets
Inventory Net
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Deferred Income Tax Assets Net
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Other Liabilities Noncurrent
Stockholders Equity
Common Stock Value
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Prepaid Deferred Expense And Other Assets
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Treasury Stock Shares
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Interest Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Next Twelve Months
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
InventoryNet
Inventory Finished Goods Net Of Reserves
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:CommonStockValue █████████████████▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▂▁2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.01.8871.8821.8781.8761.8591.8491.8291.8231.8051.7941.7851.7781.7531.7391.7261.7111.7031.691.6851.6811.6681.6611.6511.6081.516NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock█▇▅▅▅▅▄▄▂▂▁▁▁▁196.0195.0194.0194.0194.0194.0193.0193.0192.0192.0191.0191.0191.0191.0NANANA188.759NANANA186.663NANANA181.332NANANA175.205NANANA170.171NANANANANANANA151.513NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:TreasuryStock██▇▇▅▅▄▂▂▂▁▁▁▁49.049.048.048.047.047.046.045.045.045.044.044.044.044.0NANANA42.563NANANA40.079NANANA37.703NANANA47.482NANANA46.228NANANANANANANA-24.904NANANA
us-gaap:CommonStockSharesIssued NANANANANA194.0NANANA192.0NANANA191.0NANANA188.759NANANA186.663NANANA181.332NANANA175.205NANANA170.171NANANA166.707208NANANA151.512837NANANA
us-gaap:CommonStockSharesOutstanding NANANANANA147.0NANANA147.0NANANA147.0NANANA146.196NANANA146.584NANANA143.629NANANA127.723NANANA123.943NANANA122.041NANANA126.607NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁▁███147.0147.0148.0148.0148.0NA148.0149.0149.0NA149.0148.0148.0NA148.0147.0147.0NA147.901147.889148.357NA149.672148.969148.683NA147.512149.121150.619NA140.601139.377123.768NA132.507133.011133.859NA135.966141.765153.129NA145.205140.951136.407
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁▁▁██146.0146.0146.0147.0147.0NA147.0147.0147.0NA147.0147.0147.0NA146.0146.0146.0NA146.705146.778146.866NA145.349144.22143.771NA141.142130.583128.146NA125.465124.362123.768NA122.93123.214122.642NA122.079123.456126.517NA124.684123.095120.668
us-gaap:EarningsPerShareBasic ▅▄▅▂▅▆▆▇▆▅▅▅▅▃▄▄█▄▄▄▃▃▄▃▄▄▃▂▃▃▂▂▁▃▂▂▂▂▂▂▂▂▂▂▂1.271.011.220.321.181.631.592.011.581.431.351.421.420.471.120.872.50.840.880.830.610.720.810.710.951.080.660.360.470.640.250.29-0.180.580.240.190.210.10.170.250.190.310.280.240.18
us-gaap:EarningsPerShareDiluted ▅▄▅▂▅▆▆▇▆▅▅▅▅▃▄▄█▄▄▄▃▃▄▃▄▄▃▂▃▃▂▂▁▃▂▂▂▂▂▂▂▂▂▂▂1.261.01.210.321.171.611.581.991.571.411.331.411.410.461.110.872.480.840.870.820.60.70.790.690.921.030.630.310.40.560.220.26-0.180.530.220.180.20.090.150.220.160.250.240.210.16
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
 COGS Ratio us-gaap:ProductOrService us-gaap:Product██▃▁▄972.0953.0676.0527.0701.0NA746.0704.0667.0738.0710.0673.0628.0658.0596.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 COGS Ratio us-gaap:ProductOrService us-gaap:ServiceOther▇▆▃▁█154.0140.0118.0106.0158.0NA161.0134.0179.0129.0143.0157.0154.0119.0118.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,ilmn:CoreIlluminaNANA794.0633.0859.0952.0907.0838.0846.0867.0855.0829.0783.0776.0715.0664.0598.0636.0615.0NANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
 TTM Greenblatt ROC _ _▅▅▄▂▅▇█▅▅▅▆▆▆▆▅▃▁▃▄▄▃187.0193.0162.096.0189.0268.0308.0205.0204.0197.0241.0227.0218.0230.0181.0143.052.0143.016160.702161.869121.445NA140.782151.933176.126202.883119.493100.23992.09673.78445.46460.006-45.14759.34648.81442.9849.61227.29936.76466.0169.38868.667NANANA
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:AllocatedShareBasedCompensationExpense █▇▆▁▃▅▄▄▅▄▄▅▄▄▃▃▅▂▃▃▃80.067.061.017.039.049.045.048.051.047.048.050.048.041.034.039.050.027.2234.58331.9735.292NA32.22932.95731.91838.46244.66935.99633.42429.74627.40924.45224.21924.17623.07224.04723.02921.81624.57123.66622.03919.84117.9616.845NA
us-gaap:ComprehensiveIncomeNetOfTax ▄▃▄▁▄▅▅▆▅▄▄▄▄▁▃▃█▂▃▂▂185.0153.0177.055.0174.0239.0234.0299.0236.0211.0198.0209.0208.067.0164.0129.0367.0121.411127.884120.74891.533NA118.618100.512140.072151.83992.51746.7359.95180.52731.56235.337-23.00771.57929.99223.34226.34711.75119.8931.84723.49237.6435.39929.757NA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest NANA177.055.0174.0239.0234.0296.0227.0198.0187.0200.0197.056.0153.0121.0348.0105.191115.931116.7389.165NA116.062100.512140.072151.83992.517NANANANANANANANANANANANANANANANANANA
us-gaap:CostOfGoodsAndServicesSold ██▅▂▄▆▅▅▅▆▅▅▄▄▄▃▄▂▁▁▁324.0329.0268.0205.0240.0290.0259.0265.0262.0277.0256.0255.0244.0235.0232.0228.0230.0199.908180.989176.319174.709NA162.732163.013163.538127.442146.689147.028142.489128.08146.86122.685111.666105.61890.00187.6191.75979.48578.38494.09494.47495.17280.16465.91259.953
us-gaap:CostOfRevenue ██▅▂▄▆▅▅▅▆▅▅▄▄▄▃▄▂▁▁▁324.0329.0268.0205.0240.0290.0259.0265.0262.0277.0256.0255.0244.0235.0232.0228.0230.0199.908180.989176.319174.709NA162.732163.013163.538127.442146.689147.028142.489128.08146.86122.685111.666105.61890.00187.6191.75979.48578.38494.09494.47495.17280.16465.91259.953
us-gaap:GrossProfit ██▅▄▆▇▆▆▆▆▆▆▅▅▅▄▃▄▄▄▄▄▄▄▄▄▃▃▃▂▂▂▂▂▂▂▂▁▁▂▂▁▁▁▁802.0764.0526.0428.0619.0662.0648.0573.0584.0590.0597.0575.0538.0542.0482.0434.0368.0419.439426.15423.805397.054410.359387.539376.365375.027384.937333.941300.54278.292259.246209.94223.409219.292203.647195.873192.997181.011170.586157.115193.356188.041166.126157.145146.091132.178
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▇▂█▁▃207.0169.0215.0165.0178.0NA270.0346.0233.0NA232.0232.0221.0NA175.0141.0503.0NA154.364156.975115.596NA128.917141.172178.046NA112.443NANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▂▂▂▆▁▂▂▃▁▁▃▂▂█▂▂█▂▂▃▂22.022.036.0118.05.030.036.053.09.012.044.032.024.0166.023.021.0155.026.70137.42940.58128.377NA13.29638.92541.38838.78118.95413.86123.81139.7085.7913.483-24.97532.013.89711.38614.0718.5027.6418.40411.87112.34319.26316.7312.153
us-gaap:InterestExpense ▆▇▃▃▃▃▃▅▅█▅▃▃▃▂▁▁▁▁▁▁16.019.011.011.011.011.011.015.015.020.015.011.011.011.010.08.08.08.3018.2088.1478.525NA12.82111.20511.16411.07610.9879.9229.7439.9449.95410.0459.7479.5869.4839.5089.2029.1858.7979.4187.396.3196.196.1345.955
 us-gaap:InterestExpenseDebt us-gaap:LongtermDebtType ilmn:TermNotes█▁4.01.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestExpenseDebt us-gaap:LongtermDebtType us-gaap:ConvertibleDebt▁█10.011.0NA11.011.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▅▄▅▂▅▆▆▇▆▅▅▅▅▃▄▄█▄▄▄▃▃▄▃▄▄▃▂▂▃▂▂▁▃▂▂▂▂▂▂▂▂▂▂▂185.0147.0179.047.0173.0239.0234.0296.0233.0210.0199.0209.0208.068.0163.0128.0367.0123.762128.888120.41289.587104.477118.177102.247136.658153.2893.48946.60559.97780.66131.35735.877-22.58771.90329.74823.40126.20211.7220.15130.6224.13738.4435.44729.79621.208
us-gaap:NonoperatingIncomeExpense ▂▁▂▃▁▂▁▄▂▂▁▂▂▁▁▂█▁▁▁▁20.0-24.053.069.0-11.01.0-38.0141.029.012.0-9.05.03.0-7.0-6.0-2.0451.0-8.773-6.338-4.894-5.849NA-11.865-10.7611.92-10.822-7.05-39.773-8.30846.585-8.317-10.646-2.41544.557-5.169-8.193-9.339-7.077-8.973-16.986-33.38-17.884-2.625-0.902-4.864
us-gaap:OperatingExpenses █▇▃▂▄▄▃▃▃▄▃▃▂▂▂▂▂▁▁▁▁615.0571.0364.0332.0430.0394.0340.0368.0380.0393.0356.0348.0320.0312.0301.0291.0316.0276.423265.448261.936275.609NA246.757224.432198.901182.054214.448200.301186.196185.462164.476163.403264.439144.301147.059150.017131.399143.287120.351127.346118.65397.45999.8198.66393.953
us-gaap:OperatingIncomeLoss ▅▅▄▂▅▇█▅▅▅▆▆▆▆▅▃▁▃▄▄▃187.0193.0162.096.0189.0268.0308.0205.0204.0197.0241.0227.0218.0230.0181.0143.052.0143.016160.702161.869121.445NA140.782151.933176.126202.883119.493100.23992.09673.78445.46460.006-45.14759.34648.81442.9849.61227.29936.76466.0169.38868.66757.33547.42838.225
us-gaap:OtherNonoperatingIncomeExpense ▂▂▂▃▁▂▁▄▂▂▁▂▂▂▂▂█▂▂▂▂36.0-6.059.073.0-14.0-4.0-43.0136.021.019.0-8.05.09.0-2.00.01.0455.0-3.588-0.186-0.151.452NA-4.711-0.9-1.191-0.693-1.024-31.3150.4790.320.37-1.323-0.714-0.6060.855-0.07-2.663-0.035-1.564-9.549-27.53-13.1970.7743.481-1.113
us-gaap:ProfitLoss NANA179.047.0173.0239.0234.0293.0224.0198.0188.0200.0197.058.0152.0120.0348.0107.542116.935116.39487.219102.864115.621102.247136.658153.2893.489NANANANANANANANANANANANANANANANANANA
us-gaap:ResearchAndDevelopmentExpense ██▅▄▄▄▃▅▅▆▄▃▂▂▂▂▃▂▁▁▁202.0197.0172.0155.0156.0161.0151.0166.0169.0176.0159.0151.0137.0137.0134.0130.0145.0129.915125.917124.589123.994NA99.22696.18291.772142.94785.08282.98577.04176.72870.95767.60861.4556.90754.05671.22348.83945.51350.39950.80150.245.80144.80443.66743.675
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ██▆▄▆▇▆▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▁▁▂▂▂▁▁▁1126.01093.0794.0633.0859.0953.0907.0838.0846.0867.0853.0830.0782.0778.0714.0662.0598.0619.347607.139600.124571.763591.548550.271539.378538.565512.379480.63447.568420.781387.326356.8346.094330.958309.265285.874280.607272.77250.071235.499287.45282.515261.298237.309212.003192.131
us-gaap:SellingGeneralAndAdministrativeExpense █▇▂▂▄▃▂▃▃▃▂▂▂▂▂▂▂▁▁▁▁413.0374.0192.0177.0274.0233.0189.0202.0211.0217.0197.0197.0183.0175.0167.0169.0163.0146.091139.146148.535149.233NA136.648124.441116.317122.173119.888114.649109.573111.64995.61788.785.07479.71569.79168.51667.96960.91866.03169.23365.93162.5755.00653.13550.278
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:Assets ██▇▆▆▇▆▆▇▆▆▅▅▄▄▄▄▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁8675.08755.07404.07248.07261.07316.07089.06973.07390.06959.06759.05851.05542.05257.05046.04858.04598.04280.64227.8273985.093793.7063687.7473733.5483703.1253499.0933339.643278.2063035.0553053.573019.0062817.6962823.2022744.1882566.0852437.9832348.7382301.4742195.842147.0592256.9862123.1491839.113NANANA
us-gaap:LiabilitiesAndStockholdersEquity ██▇▆▆▇▆▆▇▆▆▅▅▄▄▄▄▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁8675.08755.07404.07248.07261.07316.07089.06973.07390.06959.06759.05851.05542.05257.05046.04858.04598.04280.64227.8273985.093793.7063687.7473733.5483703.1253499.0933339.643278.2063035.0553053.573019.0062817.6962823.2022744.1882566.0852437.9832348.7382301.4742195.842147.0592256.9862123.1491839.113NANANA
us-gaap:StockholdersEquity █▇▇▇▇▇▆▆▅▅▄▄▃▃▃▃▂▂▂▁▁▁5180.04922.04700.04563.04635.04613.04439.04332.03985.03758.03503.03257.03008.02749.02855.02715.02551.02197.2292240.1472055.7711991.1091848.553NA1793.9121623.3261462.7981274.3131080.4361573.6131533.2021374.4641388.5921311.8271318.5811222.2141180.7831160.1721075.2151035.541168.3041064.2261197.675NANANA
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:AssetsCurrent ▇█▆▆▆▆▆▆▆▆▆▄▄▄▃▃▃▃▃▂▂▂▃▃▂▂▂▂▂▂▁▂▁▂▂▂▂▁▁▂▁▁5310.05642.04329.04194.04324.04451.04222.04156.04545.04490.04262.03337.03194.02980.02805.02643.02517.02318.0912277.8362143.0212073.7982096.8232210.4282237.6912060.2811889.6031906.9541620.7211631.9431617.5351537.6461646.3911550.7731787.0481646.2361664.3721637.2911544.6191504.2141623.3151511.4731258.398NANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇█▂▂▃▃▂▃▃▁▁▁▂▁4196.04433.01761.01770.01991.02042.01815.01943.02270.01144.01346.01344.01560.01225.0NANANA735.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ShortTermInvestments ▁▁▆▅▅▅▅▅▅█▇▄▃▄▃▃▃▃▃▂▃▃▃▄▃▃▂▂▂▂▂▂▃▄▃▄▄▃▃▄▃▃90.0197.01563.01498.01341.01372.01351.01230.01345.02368.02043.01168.0813.0920.0687.0674.0797.0824.208741.569473.594588.182617.45887.877919.325832.952702.217441.532427.835573.289453.966336.155345.852624.388916.223889.977985.2741006.169886.59902.344972.83724.297645.342NANANA
us-gaap:AccountsReceivableNetCurrent ▇▇▆▅▆█▇▆▆▇▆▅▅▅▅▅▄▅▅▅▅▅▅▄▄▃▃▃▃▂▂▂▂▂▂▁▂▁▁▁▁▁540.0517.0464.0385.0472.0573.0541.0470.0457.0514.0433.0395.0400.0411.0383.0372.0368.0381.316381.632372.48402.514385.529413.474368.611350.044289.458276.675258.694293.045238.946235.437207.413210.831214.975218.145188.562202.234173.886169.052193.431181.924165.598NANANA
us-gaap:InventoryNet ▇▆██▇▆██▇▇▇▆▆▆▆▅▅▅▅▅▅▄▃▃▃▂▃▂▂▂▂▂▂▂▁▁▁▁▁▁▂▁380.0364.0415.0435.0384.0359.0417.0420.0412.0386.0374.0362.0350.0333.0327.0309.0299.0300.17312.242311.364287.919270.777233.781223.62205.184191.144199.298177.534164.231154.099159.866168.07167.959158.718147.684133.844128.684128.781139.265142.583150.708142.211NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▆█▇▆█▆▆▅▄▅▄▄▄▅▃▄▄▅▃▂▂▃▅▅▅▂▃▂▃▁▂▃▂▂▁▁▁▂▂▂104.0131.0126.0106.0136.0105.098.093.061.078.066.068.071.091.054.069.072.077.88147.69633.92140.27354.29780.0383.40289.45929.84457.62436.50842.51622.81128.87756.55830.52532.720.11216.36617.31829.19638.58530.937NA36.922NANANA
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:PropertyPlantAndEquipmentGross NANANANANA1457.01411.01409.01406.01596.01542.01512.01427.01347.01253.01208.01080.01040.147952.884813.161NA609.437NANANA480.001NANANA380.167NANANA319.571NANANA280.165NANANA233.496NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingNANANANANA44.044.044.044.0285.0279.0279.0269.0155.0147.0128.09.09.0157.677.67NA7.67NANANA7.67NANANA7.67NANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ComputerEquipmentNANANANANA272.0257.0263.0256.0217.0207.0214.0207.0185.0178.0178.0168.0155.602153.851149.071NA136.55NANANA86.929NANANA73.544NANANA58.313NANANA54.826NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ConstructionInProgressNANANANANA73.091.059.046.0100.0156.0148.0103.0326.0273.0272.0326.0306.678308.825194.237NA44.501NANANA35.421NANANA8.531NANANA7.39NANANA10.022NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:EquipmentNANANANANA401.0389.0400.0390.0382.0352.0347.0331.0316.0301.0294.0278.0274.376264.556250.412NA224.158NANANA192.715NANANA175.34NANANA158.112NANANA143.816NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANANANANA45.043.047.048.045.043.041.040.034.034.026.026.024.02320.44820.387NA18.539NANANA13.669NANANA10.511NANANA8.022NANANA9.274NANANA6.732NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANANANANA622.0587.0596.0622.0567.0505.0483.0477.0331.0320.0310.0273.0270.453197.534191.384NA178.019NANANA143.597NANANA104.571NANANA87.734NANANA63.406NANANA55.681NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANANANANA568.0536.0555.0554.0521.0482.0476.0444.0416.0391.0371.0346.0326.813319.028301.807NA266.743NANANA214.737NANANA177.501NANANA153.404NANANA136.682NANANA103.622NANANA
us-gaap:AmortizationOfIntangibleAssets ▂▁▂▂▁▁▅▅▅▅▅▅▃▅▇▇▇████8.07.08.08.07.07.010.010.010.010.010.010.09.010.012.012.012.012.90912.90812.59812.545NA14.28613.2513.34812.8311.89112.13413.81413.43813.51511.398.7725.9644.2023.4663.4684.5453.0353.0352.9852.2952.2951.5951.62
us-gaap:PropertyPlantAndEquipmentNet ▇▇▇▇▇▇▇▆▆███▇▇▆▆▅▅▅▄▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁915.0915.0910.0890.0890.0889.0875.0854.0852.01075.01060.01036.0983.0931.0862.0837.0734.0713.334633.856511.354385.253342.694308.722302.84280.628265.264247.643230.113210.372202.666193.649187.362186.792166.167154.869147.917143.494143.483135.393129.762125.185129.874NANANA
us-gaap:Goodwill █▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▄▄▂▂▁▁▁▁▁▁▁966.0897.0897.0894.0824.0824.0824.0824.0831.0831.0831.0831.0775.0771.0771.0771.0771.0775.995775.995775.995776.029752.629756.687724.904724.904724.904724.887721.648723.259723.061667.192596.588604.493369.327370.189321.853321.853321.853321.853321.853320.543278.206NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▃▃▃▃▃▃▃▃▄▄▄▅▄▄▄▄▅▆▆▆▆▆▇▇▇█▇▇██▇▇▇▃▃▂▂▂▂▂▂▁162.0134.0149.0156.0138.0145.0152.0162.0175.0185.0195.0205.0168.0175.0185.0196.0207.0242.652255.56268.469269.576273.621286.346288.177301.302314.5299.345304.85316.984331.173297.911304.469307.214130.196134.82989.007103.007106.475109.767112.708118.41970.024NANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANANANANA145.0NANANA185.0NANANA175.0NANANA237.352NANANA273.621NANANANANANANANANANANA130.196NANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass ilmn:LicensedTechnologyNANANANANA6.0NANANA12.0NANANA21.0NANANA31.304NANANA30.73NANANANANANANANANANANA21.633NANANA16.0NANANA20.151NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CustomerRelationshipsNANANANANA4.0NANANA5.0NANANA7.0NANANA11.113NANANA16.688NANANANANANANANANANANA16.566NANANA0.727NANANA0.0NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:DevelopedTechnologyRightsNANANANANA130.0NANANA159.0NANANA139.0NANANA186.137NANANA215.192NANANANANANANANANANANA72.373NANANA56.256NANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:LicensingAgreementsNANANANANA4.0NANANA5.0NANANA6.0NANANA7.417NANANA9.153NANANANANANANANANANANA10.696NANANA9.799NANANA8.977NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▇▁▃▄▆▅▅▆█566.0529.0545.0549.0559.0555.0555.0558.0574.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent █▇▆▆▅▄▄▄▄▄▄▄▄▄▄▄▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁756.0638.0555.0552.0435.0388.0373.0350.0326.0308.0325.0334.0322.0312.0306.0308.0286.0107.211102.45899.78992.85287.46584.53882.7968.85695.52159.64887.59769.67656.09178.00278.67773.2773.16477.4576.7369.3559.73556.47652.35845.52263.114NANANA
us-gaap:EquitySecuritiesFvNi ▃▇█▆▄▃▄▅▁▁90.0197.0234.0176.0109.0106.0110.0157.041.039.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:AccountsPayableCurrent ▆▅▅▄▄▄▄▄▄▆▅▄▅▅▅▅▄▄▄█▅▄▄▃▃▂▃▂▂▂▁▂▂▂▂▁▁▁▁▁▂▂200.0178.0156.0135.0130.0149.0143.0139.0137.0184.0156.0149.0151.0160.0158.0175.0142.0137.93134.09250.67154.68139.226123.432107.884106.67482.62696.06991.51386.47173.65563.12667.64876.62765.72774.97156.66859.86149.80652.24958.2766.28766.744NANANA
us-gaap:AccruedLiabilitiesCurrent █▇▅▅▅▆▅▅▅▆▅▅▄▅▄▄▄▄▃▃▃▄▄▃▃▃▃▂▂▂▂▂▁▂▁▂▂▁▂▁▁▁674.0602.0452.0477.0425.0516.0476.0473.0473.0513.0450.0422.0388.0432.0381.0378.0386.0342.751315.204330.326326.548396.339358.259314.722296.15335.276304.133259.676215.292219.12199.977198.788188.751201.877191.821206.813198.04187.774211.171185.536167.703156.164NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▇█▂▂▂▄▃▄▄▆▂▄▂▁182.0188.0154.0153.0158.0167.0161.0167.0169.0175.0154.0168.0153.0150.0NANA150.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▄▆▅▅▅▃▃▃▅██▅▅▃▃▃▃▃▃▃▂▃▃▃▃▃▄▃▅▁▂▂▂▁▁▁▁▁▁▁▁▂874.01268.01115.01115.01054.0665.0619.0612.01241.01804.01735.01217.01180.0746.0665.0682.0721.0704.665628.855581.507481.228610.494583.857725.053710.251722.158856.401649.2071149.779322.063418.925418.88409.941304.571303.099299.141292.926237.58297.213284.455345.313534.517NANANA
us-gaap:LongTermDebtCurrent NANA507.0503.0499.00.00.0NA631.01107.01107.0625.0620.010.02.05.01.01.251.250.511NA74.929102.166NANA304.256301.119298.018848.01629.28828.8129.73137.64136.96736.30735.6635.0250.033.79340.649111.323311.609NANANA
 us-gaap:LongTermDebtCurrent us-gaap:LongtermDebtType us-gaap:ConvertibleDebtNA488.0NANANANANANANANANANANANANANANANANANANA74.929102.166NANA304.256NANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseLiabilityCurrent ▇▇█▄▂▂▄▁53.053.054.048.046.045.049.044.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent █▇▆▅▄▅▅▅▅▅▄▄▄▄▄▄▅▄▄▄▆▆▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁103.093.075.068.055.064.058.064.064.063.048.045.051.055.053.051.057.054.99453.65351.9369.91678.96339.2729.44821.05224.58320.55219.61819.63418.88117.2513.24714.1489.73110.46110.38414.51110.4369.68912.592NA9.476NANANA
us-gaap:TaxesPayableCurrent █▇▂▂▃▅▆▄▅▅▆▄▃▂▂▁▄▁▁▂▂▂▁127.0116.046.044.054.086.096.066.083.082.094.067.059.050.041.035.077.032.0430.85540.15842.28844.15929.457NANA38.942NANANANANANANANANANANANANANANANANANANA
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:LongTermDebtNoncurrent NANA666.0659.0652.01141.01131.01120.01112.0890.0860.0723.0710.01182.01180.01169.01055.01047.8051040.7651031.371022.6461015.6491007.935NANA986.78NANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebtNoncurrent us-gaap:LongtermDebtType us-gaap:ConvertibleDebt█▁687.0680.0NANANANANANANANANANANANA1180.01169.0NA1044.6881037.2841029.9231022.6461015.6491007.935NANA986.78NANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▅▅▆▅▅▅▅▅▅█████▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▅▃▃▂▂▂▁▁▁▁238.0229.0245.0230.0224.0202.0209.0211.0212.0359.0352.0343.0364.0360.0222.0212.0212.0213.955204.273198.568185.526180.505173.061183.331171.739167.904167.656188.87191.398191.221192.807192.167206.195134.369111.6975.34162.33369.95442.89738.51235.98628.531NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent █▁▃▄▇▆▆▇704.0664.0678.0681.0696.0695.0691.0698.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:StockholdersEquity █▇▇▇▇▇▆▆▅▅▄▄▃▃▃▃▂▂▂▁▁▁5180.04922.04700.04563.04635.04613.04439.04332.03985.03758.03503.03257.03008.02749.02855.02715.02551.02197.2292240.1472055.7711991.1091848.553NA1793.9121623.3261462.7981274.3131080.4361573.6131533.2021374.4641388.5921311.8271318.5811222.2141180.7831160.1721075.2151035.541168.3041064.2261197.675NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest NANA4700.04563.04635.04613.04439.04332.04070.03845.03594.03351.03073.02749.02855.02715.02551.02270.2352319.6772139.9122070.9231848.5531936.567NANA1462.798NANANA1533.202NANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AccumulatedNetUnrealizedInvestmentGainLossNANANANANA4.0NANANA-2.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncomeNANA12.014.06.05.05.05.02.0-1.0-2.0-1.0-1.0-1.00.00.0-1.0-1.0371.3142.3181.9820.036NANANA-1.08NANANA1.234NANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNANA3737.03649.03631.03560.03510.03436.03385.03290.03093.02939.02897.02833.02891.02836.02798.02733.3942738.0012664.8652617.6812497.501NANANA2172.94NANANA2562.705NANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:CommonStockNANA2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.01.8871.8821.8781.8761.859NANANA1.805NANANA1.753NANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:RetainedEarningsNANA4466.04287.04240.04067.03828.03594.03298.03083.02872.02673.02464.02256.02188.02025.01897.01485.4141361.6521232.7641112.3521022.765NANANA561.206NANANA207.855NANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:TreasuryStockNANA-3517.0-3389.0-3244.0-3021.0-2906.0-2705.0-2702.0-2616.0-2462.0-2356.0-2354.0-2341.0-2226.0-2148.0-2145.0-2022.429-1862.702-1846.054-1742.782-1673.608NANANA-1272.073NANANA-1240.345NANANANANANANANANANANANANANANA
us-gaap:CommonStockValue █████████████████▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▂▁2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.01.8871.8821.8781.8761.8591.8491.8291.8231.8051.7941.7851.7781.7531.7391.7261.7111.7031.691.6851.6811.6681.6611.6511.6081.516NANANA
us-gaap:AdditionalPaidInCapital ██▇▆▆▆▆▅▅▅▄▃▃▃▃▃▃▂▂▂▂▁▁3993.03914.03737.03649.03631.03560.03510.03436.03385.03290.03093.02939.02897.02833.02891.02836.02798.02733.3942738.0012664.8652617.6812497.5012454.876NANA2172.94NANANANANANANANANANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▆▆▆▅▅▅▅▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁5055.04870.04466.04287.04240.04067.03828.03594.03298.03083.02872.02673.02464.02256.02188.02025.01897.01485.4141361.6521232.7641112.3521022.765918.288800.111697.864561.206407.926314.437267.832207.855127.18795.83759.9682.54710.64-19.108-42.51-68.707-80.432-100.584-131.204-155.335NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▅▇█▄▄▄▄▃▁▁▁▁▁8.08.012.014.06.05.05.05.02.0-1.0-2.0-1.0-1.0-1.0NANA-1.0-1.0371.3142.3181.9820.0361.040.5992.334-1.080.3611.3331.2081.2341.3681.1631.7032.1232.4472.2032.2632.1172.0862.3471.121.765NANANA
us-gaap:TreasuryStockValue ██▇▇▇▆▆▆▆▅▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▂▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁3878.03872.03517.03389.03244.03021.02906.02705.02702.02616.02462.02356.02354.02341.02226.02148.02145.02022.4291862.7021846.0541742.7821673.6081439.4861396.8081390.6651272.0731236.9511294.0411379.1881240.3451240.2871240.2091215.1021187.6231163.5321143.0461110.5471109.7631109.755905.674877.616541.559NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▇▆▁▄▅▄▅▅▅▄▅▅▄▃▄▅▂▃▃▃79.068.061.016.039.050.045.048.051.048.047.050.048.041.034.039.050.027.04434.07331.98135.44NANANANANANANANANANANANANANANANANANANANANANANANA
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▅▃▄▅█▅▃▄▆▅▅▅▅▄▃▃▅▃▄▁253.0282.0153.0240.0281.0443.0267.0143.0198.0300.0292.0295.0255.0294.0235.0178.0168.0280.153150.3217.04739.738NA180.994171.44566.779140.549145.605178.0337.087126.83983.13688.60687.8478.87651.22896.32965.44108.390.04271.2288.57881.48154.82877.19959.065
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄█▄▃▃▄▃▄▇▃▁▂▄▃▄▄▄▃▃▄▄3.01376.0-65.0-320.0-135.0-104.0-218.079.0988.0-348.0-940.0-537.012.0-315.0-97.035.0163.0-173.292-341.23143.537-43.553NA-38.927-142.47-154.147-332.783-44.231114.777-144.387-150.81-101.295247.477-65.02118.611-17.105-9.648-141.87-42.9667.101-272.264-152.876-70.057-93.872-96.46-24.664
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁█▃▃▃▃▃▁▃▃▇▄▄▃▄▄▃▃▄▃▃-496.0968.0-101.0-143.0-191.0-115.0-173.0-549.0-60.0-154.0651.030.067.0-109.0-5.024.0-86.0-163.49234.473-63.345-12.349NA-180.89727.81-12.5340.20255.495-136.521-85.92443.556-75.0535.784-13.006-6.042-8.065-30.26433.6167.848-187.8351.517225.48126.54412.40843.21634.306
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁█▂▁▂▂▁▁▄▁▂▁▃-237.02623.0-9.0-221.0-51.0227.0-128.0-327.01126.0-202.02.0-216.0335.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:IncreaseDecreaseInAccountsPayable ▇▄▆▅▄▆▅▆▁█▆▅▅▅▆▅▅▆▄▆▅20.0-8.011.03.0-16.011.0-3.04.0-47.032.012.0-1.02.0-2.012.03.0-3.05.338-14.9564.5923.057NA18.8141.85128.867-16.854NANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▆▆█▁▁▆█▅▃█▆▅▄▆▅▅▄▅▅▄▅22.039.082.0-91.0-99.029.075.010.0-56.081.036.0-1.0-11.027.013.02.0-16.01.768.491-26.1212.63NA46.1215.71559.47412.64820.544-34.96752.1563.42424.458-5.825-6.129-2.60423.832-15.94529.1584.467-18.2079.63911.112-4.90818.914-6.950.788
us-gaap:IncreaseDecreaseInInventories ▆▄▄█▆▁▅▅▆▆▅▅▆▅▆▅▅▄▅▆▆17.0-8.0-19.051.024.0-58.0-3.010.026.013.012.011.017.06.018.010.0-1.0-12.0711.17123.43717.149NA11.07218.48214.044-8.15121.50613.1969.991-6.615-7.9610.0938.26610.2478.654.969-0.159-12.837-4.791-8.4743.9512.128.69719.5858.181
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▅▃▄▅█▅▃▄▆▅▅▅▅▄▃▃▅▃▄▁253.0282.0153.0240.0281.0443.0267.0143.0198.0300.0292.0295.0255.0294.0235.0178.0168.0280.153150.3217.04739.738NA180.994171.44566.779140.549145.605178.0337.087126.83983.13688.60687.8478.87651.22896.32965.44108.390.04271.2288.57881.48154.82877.19959.065
us-gaap:NetIncomeLoss ▅▄▅▂▅▆▆▇▆▅▅▅▅▃▄▄█▄▄▄▃▃▄▃▄▄▃▂▂▃▂▂▁▃▂▂▂▂▂▂▂▂▂▂▂185.0147.0179.047.0173.0239.0234.0296.0233.0210.0199.0209.0208.068.0163.0128.0367.0123.762128.888120.41289.587104.477118.177102.247136.658153.2893.48946.60559.97780.66131.35735.877-22.58771.90329.74823.40126.20211.7220.15130.6224.13738.4435.44729.79621.208
us-gaap:ProfitLoss NANA179.047.0173.0239.0234.0293.0224.0198.0188.0200.0197.058.0152.0120.0348.0107.542116.935116.39487.219102.864115.621102.247136.658153.2893.489NANANANANANANANANANANANANANANANANANA
us-gaap:ShareBasedCompensation █▇▆▁▄▅▄▄▅▄▄▅▄▄▃▄▅▂▃▃▃80.067.061.016.039.049.046.048.051.047.048.050.048.041.034.039.050.027.2234.58331.9735.292NA32.22932.95731.91838.46244.66935.99633.42429.74627.40924.45224.21924.17623.07224.04723.02921.81624.57123.66622.03919.84117.9616.84516.999
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄█▄▃▃▄▃▄▇▃▁▂▄▃▄▄▄▃▃▄▄3.01376.0-65.0-320.0-135.0-104.0-218.079.0988.0-348.0-940.0-537.012.0-315.0-97.035.0163.0-173.292-341.23143.537-43.553NA-38.927-142.47-154.147-332.783-44.231114.777-144.387-150.81-101.295247.477-65.02118.611-17.105-9.648-141.87-42.9667.101-272.264-152.876-70.057-93.872-96.46-24.664
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▁▂▁▁▃▂▂▃▅▄▆█▆▇▅▇▇▃▅▃44.042.048.039.040.057.049.047.056.065.064.077.090.076.082.069.083.081.53857.12267.81353.418NA29.45941.35136.55134.83228.82823.32419.01227.3118.9311.53421.44117.10117.6520.94613.08427.11422.18316.20312.312.38413.11213.14211.18
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁█▃▃▃▃▃▁▃▃▇▄▄▃▄▄▃▃▄▃▃-496.0968.0-101.0-143.0-191.0-115.0-173.0-549.0-60.0-154.0651.030.067.0-109.0-5.024.0-86.0-163.49234.473-63.345-12.349NA-180.89727.81-12.5340.20255.495-136.521-85.92443.556-75.0535.784-13.006-6.042-8.065-30.26433.6167.848-187.8351.517225.48126.54412.40843.21634.306
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▁█0.0988.0NANANA0.0NANANA0.0NANANA0.00.0NANA0.03.0NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock NANA125.0142.0188.063.0198.00.063.098.0NANANA75.075.00.0101.0136.26713.075NANANA37.5030.034.75334.7520.072.414130.0170.00.025.025.01130.01325.032.4990.00.0204.0828.006338.3228.01NANANA
  2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value2000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.01887000.01882000.01878000.01876000.01859000.01849000.01829000.01823000.01805000.01794000.01785000.01778000.01753000.01739000.01726000.01711000.01703000.01690000.01685000.01681000.01668000.01661000.01651000.01608000.01516000.01436000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Shares Issued

us-gaap:SharesIssued us-gaap:StatementEquityComponents

us-gaap:SharesIssued

us-gaap:CommonStock


Shares
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302011-01-022010-01-032008-12-282007-12-30
Value196195195194194194194193193192192191191191191188186181175170151143138125
Percentage of SharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Shares
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302011-01-022010-01-032008-12-282007-12-30
Value4949494848474746454545444444444240374746-24.904-24.068-17.928-14.819
Percentage of SharesIssued25.025.125.124.724.724.224.223.823.323.423.423.023.023.023.022.521.520.827.127.2-16.4-16.8-12.9-11.8

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-022010-01-03
Value195194192191188186181175170166151143
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value146147147147146146143127123122126
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-10-012017-07-022017-04-022016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-09-282014-06-292014-03-302013-09-292013-06-302013-03-312012-09-302012-07-012012-04-012011-10-022011-07-032011-04-032010-10-032010-07-042010-04-04
Value147147148148148148149149149148148148147147147147148149148148147149150140139123132133133135141153145140136
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-10-012017-07-022017-04-022016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-09-282014-06-292014-03-302013-09-292013-06-302013-03-312012-09-302012-07-012012-04-012011-10-022011-07-032011-04-032010-10-032010-07-042010-04-04
Value146146146147147147147147147147147146146146146146146145144143141130128125124123122123122122123126124123120
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value1.271.011.220.321.181.631.592.011.581.431.351.421.420.471.120.872.50.840.880.830.610.720.810.710.951.080.660.360.470.640.250.29-0.180.580.240.190.210.10.170.250.190.310.280.240.18
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value1.261.01.210.321.171.611.581.991.571.411.331.411.410.461.110.872.480.840.870.820.60.70.790.690.921.030.630.310.40.560.220.26-0.180.530.220.180.20.090.150.220.160.250.240.210.16
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-04
Value80676117394945485147485048413439502734313532323138443533292724242423242321242322191716
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.16.17.72.74.55.15.05.76.05.45.66.06.15.34.85.98.44.45.75.36.25.96.15.97.59.38.07.97.77.77.17.37.88.18.68.48.710.48.27.87.67.67.9

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

ilmn:CostOfGoodsSold


Allocated
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-29
Value8.07.06.03.05.04.05.05.05.04.04.04.04.03.03.03.03.03.1211.7991.9582.1922.5672.1132.332
Percentage of AllocatedShareBasedCompensationExpense10.010.49.817.612.88.211.110.49.88.58.38.08.37.38.87.76.011.55.26.16.28.06.47.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.60.80.50.60.40.60.60.60.50.50.50.50.40.40.50.50.50.30.30.40.50.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:CostOfGoodsSold0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ilmn:CostOfServices


Allocated
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-28
Value1.01.01.01.01.01.01.01.01.00.01.01.01.00.01.01.0-0.531.2610.4210.4320.4980.4660.2790.3240.311
Percentage of AllocatedShareBasedCompensationExpense1.21.51.65.92.62.02.22.12.00.02.12.02.10.02.92.6-1.93.61.31.21.51.40.90.80.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.20.10.10.10.10.10.00.10.10.10.00.10.2-0.10.20.10.10.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:CostOfServices0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-30
Value26242112151615161815151515131212149.4061110109.098101111141211109.5618.9548.0068.0017.764
Percentage of AllocatedShareBasedCompensationExpense32.535.834.470.638.532.733.333.335.331.931.230.031.231.735.330.828.034.633.333.430.328.232.635.430.832.735.534.936.734.936.633.133.133.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.32.22.61.91.71.71.71.92.11.71.81.81.91.71.71.82.31.51.91.81.91.72.02.12.33.02.92.82.82.72.62.42.62.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Allocated
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-30
Value4535331.0182824262728283028251823331520182120191823272019161613141413
Percentage of AllocatedShareBasedCompensationExpense56.252.254.15.946.257.153.354.252.959.658.360.058.361.052.959.066.055.957.959.162.362.359.656.461.560.957.758.056.458.756.860.458.157.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.03.24.20.22.12.92.63.13.23.23.33.63.63.22.53.55.52.53.33.13.83.63.63.34.65.74.64.64.34.54.04.44.54.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-04
Value185153177551742392342992362111982092086716412936712112712091118100140151924659803135-23.0077129232611193123373529
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.414.022.38.720.325.125.835.727.924.323.225.226.68.623.019.561.419.621.120.116.021.618.626.029.619.210.414.220.88.810.2-7.023.110.58.39.74.78.411.18.314.414.914.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-28
Value17755174239234296227198187200197561531213481051151168911610014015192
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.38.720.325.125.835.326.822.821.924.125.27.221.418.358.217.019.119.515.621.118.626.029.619.2

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value3243292682052402902592652622772562552442352322282301991801761741621631631271461471421281461221111059087917978949495806559
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.830.133.832.427.930.428.631.631.031.930.030.731.230.232.534.438.532.329.829.430.629.630.230.424.930.532.933.933.141.235.433.734.231.531.233.631.833.332.733.436.433.831.131.2

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

us-gaap:Product


Cost
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-01
Value254265209152174195196182198184181174171173
Percentage of CostOfGoodsAndServicesSold78.480.578.074.172.575.374.069.571.571.971.071.372.874.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.624.226.324.020.321.523.421.522.821.621.822.322.024.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product26.127.830.928.824.826.127.827.30.025.926.927.70.029.0

us-gaap:ServiceOther


Cost
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-01
Value6358524659555971706265625550
Percentage of CostOfGoodsAndServicesSold19.417.619.422.424.621.222.327.125.324.225.525.423.421.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.36.57.36.96.17.08.48.17.37.87.97.17.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ServiceOther40.941.444.143.437.334.244.039.70.043.441.440.30.042.4

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value3243292682052402902592652622772562552442352322282301991801761741621631631271461471421281461221111059087917978949495806559
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.830.133.832.427.930.428.631.631.031.930.030.731.230.232.534.438.532.329.829.430.629.630.230.424.930.532.933.933.141.235.433.734.231.531.233.631.833.332.733.436.433.831.131.2

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value802764526428619662648573584590597575538542482434368419426423397410387376375384333300278259209223219203195192181170157193188166157146132
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax71.269.966.267.672.169.571.468.469.068.170.069.368.869.767.565.661.567.770.270.669.469.470.469.869.675.169.567.166.166.958.864.666.365.868.568.866.468.266.767.366.663.666.268.968.8

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-10-012017-07-022017-04-022016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-09-28
Value207169215165178270346233232232221175141503154156115128141178112
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.415.527.126.120.729.841.327.527.228.028.324.521.384.125.426.220.223.426.233.123.4

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value2222361185.03036539.01244322416623211552637402813384138181323395.7913-24.975321311148.5027.64181112191612
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.02.04.518.60.63.14.06.31.11.45.23.93.121.33.23.225.94.36.26.85.02.47.27.77.63.93.15.710.31.63.9-7.510.34.94.15.23.43.26.44.24.78.17.96.3

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value161911111111111515201511111110.08.08.08.3018.2088.1478.52512111111109.9229.7439.9449.954109.7479.5869.4839.5089.2029.1858.7979.4187.396.3196.196.1345.955
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.41.71.41.71.31.21.21.81.82.31.81.31.41.41.41.21.31.31.41.41.52.32.12.12.22.32.22.32.62.82.92.93.13.33.43.43.73.73.32.62.42.62.93.1

Interest Expense Debt

us-gaap:InterestExpenseDebt us-gaap:LongtermDebtType

us-gaap:InterestExpenseDebt

ilmn:TermNotes


Interest
Period End2021-07-042021-04-04
Value4.01.0
Percentage of InterestExpenseDebt100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:TermNotes0.00.0

us-gaap:ConvertibleDebt


Interest
Period End2021-07-042021-04-042020-06-282020-03-29
Value10.0111111
Percentage of InterestExpenseDebt250.01100.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.01.71.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConvertibleDebt0.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value185147257179471732392342962332101992092086816312836712312812089104118102136153934659803135-22.587712923261120302438352921
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.413.40.022.57.420.125.125.835.327.524.223.325.226.68.722.819.361.420.021.220.115.717.721.519.025.429.919.510.414.320.88.810.4-6.823.210.48.39.64.78.610.78.514.714.914.111.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-29
Value18514725717947173
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.413.40.022.57.420.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value20-24.05369-11.01.0-38.01412912-9.05.03.0-7.0-6.0-2.0451-8.773-6.338-4.894-5.849-11.865-10.7611.92-10.822-7.05-39.773-8.30846-8.317-10.646-2.41544-5.169-8.193-9.339-7.077-8.973-16.986-33.38-17.884-2.625-0.902-4.864
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.8-2.26.710.9-1.30.1-4.216.83.41.4-1.10.60.4-0.9-0.8-0.375.4-1.4-1.0-0.8-1.0-2.2-2.00.4-2.1-1.5-8.9-2.012.0-2.3-3.1-0.714.4-1.8-2.9-3.4-2.8-3.8-5.9-11.8-6.8-1.1-0.4-2.5

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value61557136433243039434036838039335634832031230129131627626526127524622419818221420018618516416326414414715013114312012711897999893
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.652.245.852.450.141.337.543.944.945.341.741.940.940.142.244.052.844.643.743.648.244.841.636.935.544.644.844.347.946.147.279.946.751.453.548.257.351.144.342.037.342.146.548.9

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value187193162961892683082052041972412272182301811435214316016112114015117620211910092734560-45.147594842492736666968574738
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.617.720.415.222.028.134.024.524.122.728.327.327.929.625.421.68.723.126.527.021.225.628.232.739.624.922.421.919.012.717.3-13.619.217.115.318.210.915.623.024.626.324.222.419.9

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ilmn:CoreIllumina


Operating
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-02
Value1629618926830821122122226424623824920316084182191
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0102.9108.3112.7109.5108.4109.2108.3112.2111.9161.5127.3118.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.415.222.028.134.025.226.125.630.929.630.432.028.424.214.029.431.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments ilmn:CoreIllumina20.415.222.00.034.025.226.10.030.929.730.40.028.424.114.00.031.1

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value36-6.05973-14.0-4.0-43.01362119-8.05.09.0-2.00.01.0455-3.588-0.186-0.151.452-4.711-0.9-1.191-0.693-1.024-31.3150.4790.320.37-1.323-0.714-0.6060.855-0.07-2.663-0.035-1.564-9.549-27.53-13.1970.7743.481-1.113
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.2-0.57.411.5-1.6-0.4-4.716.22.52.2-0.90.61.2-0.30.00.276.1-0.6-0.0-0.00.3-0.9-0.2-0.2-0.1-0.2-7.00.10.10.1-0.4-0.2-0.20.3-0.0-1.0-0.0-0.7-3.3-9.7-5.10.31.6-0.6

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-28
Value17947173239234293224198188200197581521203481071161168710211510213615393
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.57.420.125.125.835.026.522.822.024.125.27.521.318.158.217.419.319.415.317.421.019.025.429.919.5

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value20219717215515616115116616917615915113713713413014512912512412399969114285827776706761565471484550505045444343
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.918.021.724.518.216.916.619.820.020.318.618.217.517.618.819.624.221.020.720.821.718.017.817.027.917.718.518.319.819.919.518.618.418.925.417.918.221.417.717.817.518.920.622.7

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value11261093794633859953907838846867853830782778714662598619607600571591550539538512480447420387356346330309285280272250235287282261237212192
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ilmn:CoreIllumina


Revenue
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-02
Value794633859952907838846867855829783776715664598636615
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.099.9100.0100.0100.0100.0100.299.9100.199.7100.1100.3100.0102.7101.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.099.9100.0100.0100.0100.0100.299.9100.199.7100.1100.3100.0102.7101.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments ilmn:CoreIllumina100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

ilmn:Consumables


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-02
Value778774562436620665600571556547555545504513451402387
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax69.170.870.868.972.269.866.268.165.763.165.165.764.565.963.260.764.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax69.170.870.868.972.269.866.268.165.763.165.165.764.565.963.260.764.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Consumables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:Instruments


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-02
Value1941791149181147146133111167155128118139140136100
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.216.414.414.49.415.416.115.913.119.318.215.415.117.919.620.516.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.216.414.414.49.415.416.115.913.119.318.215.415.117.919.620.516.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Instruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:ServicesandOther


Revenue
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-02
Value118106158161134179129143157154119118119107
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.916.718.417.816.021.214.916.818.919.715.316.518.017.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.916.718.417.816.021.214.916.818.919.715.316.518.017.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:ServicesandOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-02
Value972953676527701812746704667738710673628658596543491
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax86.387.285.183.381.685.282.284.078.885.183.281.180.384.683.582.082.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax86.387.285.183.381.685.282.284.078.885.183.281.180.384.683.582.082.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ServiceOther


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-01
Value154140118106158140161134179129143157154119118
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.712.814.916.718.414.717.816.021.214.916.818.919.715.316.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.712.814.916.718.414.717.816.021.214.916.818.919.715.316.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ServiceOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

ilmn:Consumables, ilmn:Microarray


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value74796249677574758385876469
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.67.27.87.77.88.38.88.99.710.211.19.711.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.67.27.87.77.88.38.88.99.710.211.19.711.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Consumables ilmn:Microarray100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:Consumables, ilmn:Sequencing


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value704695500387553525497481472460417338318
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax62.563.663.061.164.457.959.356.955.355.453.351.153.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax62.563.663.061.164.457.959.356.955.355.453.351.153.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Consumables ilmn:Sequencing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:Instruments, ilmn:Microarray


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value5.03.05.03.02.04.04.06.0174.06.06.05.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.30.60.50.20.40.50.72.00.50.80.90.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.30.60.50.20.40.50.72.00.50.80.90.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Instruments ilmn:Microarray100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:Instruments, ilmn:Sequencing


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value189176109887914212910513812411213095
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.816.113.713.99.215.715.412.416.214.914.319.615.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.816.113.713.99.215.715.412.416.214.914.319.615.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Instruments ilmn:Sequencing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:ServicesandOther, ilmn:Microarray


Revenue
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value1915302332663451584229
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.43.52.53.87.84.06.17.46.34.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.43.52.53.87.84.06.17.46.34.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:ServicesandOther ilmn:Microarray100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:ServicesandOther, ilmn:Sequencing


Revenue
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value9991128138102113109106967778
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.514.414.915.212.213.412.812.812.311.613.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.514.414.915.212.213.412.812.812.311.613.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:ServicesandOther ilmn:Sequencing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, ilmn:Microarray


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value798267526979788110089947074
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.07.58.48.28.08.79.39.611.710.712.010.612.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.07.58.48.28.08.79.39.611.710.712.010.612.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product ilmn:Microarray100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, ilmn:Sequencing


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value893871609475632667626586610584534473417
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax79.379.776.775.073.673.574.769.371.570.468.371.569.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax79.379.776.775.073.673.574.769.371.570.468.371.569.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product ilmn:Sequencing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ServiceOther, ilmn:Microarray


Revenue
Period End2021-07-042021-04-042020-06-282020-03-29
Value26321530
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.32.92.43.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.32.92.43.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ServiceOther ilmn:Microarray100.0100.0100.0100.0

us-gaap:ServiceOther, ilmn:Sequencing


Revenue
Period End2021-07-042021-04-042020-06-282020-03-29
Value12810891128
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.49.914.414.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.49.914.414.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ServiceOther ilmn:Sequencing100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

ilmn:Microarray


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value105114866799102110147134140152112103
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.310.410.810.611.511.213.117.415.716.919.416.917.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.310.410.810.611.511.213.117.415.716.919.416.917.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Microarray100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:Sequencing


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-09-302018-07-012018-04-012017-07-022017-04-02
Value1021979708566760805728699719690630550495
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax90.789.689.289.488.588.886.982.684.383.180.683.182.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax90.789.689.289.488.588.886.982.684.383.180.683.182.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax ilmn:Sequencing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:CN


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-02
Value13212783798492959788771021077871877856
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.711.610.512.59.89.710.511.610.48.912.012.910.09.112.211.89.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.711.610.512.59.89.710.511.610.48.912.012.910.09.112.211.89.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:CN100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Americas


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-01
Value589562436335477507514476473484474466440432417
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax52.351.454.952.955.553.256.756.855.955.855.656.156.355.558.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax52.351.454.952.955.553.256.756.855.955.855.656.156.355.558.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Americas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:AsiaPacific


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-01
Value859962517773635775705855706445
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.59.17.88.19.07.76.96.88.98.16.86.69.08.26.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.59.17.88.19.07.76.96.88.98.16.86.69.08.26.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:AsiaPacific100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-30
Value320305213168221280235208210236219
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.427.926.826.525.729.425.924.824.827.225.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.427.926.826.525.729.425.924.824.827.225.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EMEA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value413374192177274233189202211217197197183175167169163146139148149136124116122119114109111958885796968676066696562555350
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.734.224.228.031.924.420.824.124.925.023.123.723.422.523.425.527.323.622.924.826.124.823.121.623.824.925.626.028.826.825.625.725.824.424.424.924.428.024.123.323.923.225.126.2

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value86758755758574047248726173167089697373906959675958515542525750464858459842804227398537933687373337033499333932783035305330192817282327442566243723482301219521472256212318391429
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ilmn:CoreIllumina


Assetsus-gaap:
Period End2021-01-032019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-01-012016-01-03
Value7585731670896973736269126691576054655223499941673658
Percentage of Assets100.0100.0100.0100.099.699.399.098.498.699.499.197.399.2
Percentage of Assets100.0100.0100.0100.099.699.399.098.498.699.499.197.399.2
Percentage of Assets us-gaap:OperatingSegments ilmn:CoreIllumina100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value86758755758574047248726173167089697373906959675958515542525750464858459842804227398537933687373337033499333932783035305330192817282327442566243723482301219521472256212318391429
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-032008-12-282007-12-30
Value518049224694470045634635461344394332398537583503325730082749285527152551219722402055199118481793162314621274108015731533137413881311131812221180116010751035116810641197864798353
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets59.756.261.963.563.063.863.162.662.153.954.051.855.754.352.356.655.955.551.353.051.652.550.148.446.443.838.935.651.550.848.849.247.851.450.150.350.449.048.251.850.165.160.40.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-022010-01-032008-12-282007-12-30
Value8.08.02.012146.05.0-1.0-1.0-1.0370.036-1.081.2342.1232.1171.7652.832.4221.347
Percentage of StockholdersEquity0.20.20.00.30.30.10.1-0.0-0.0-0.00.0-0.10.10.20.20.10.30.30.4
Percentage of Assets0.10.10.00.20.20.10.1-0.0-0.0-0.00.0-0.00.00.10.10.10.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292016-01-032014-12-282013-12-292012-12-302012-01-012011-01-022010-01-032008-12-282007-12-30
Value399339143815373736493631356024972172256224192249189116371469994
Percentage of StockholdersEquity77.179.581.379.580.078.377.2135.1148.5167.1183.5209.3157.9189.5184.0281.1
Percentage of Assets46.044.750.350.550.350.048.767.765.184.994.3102.5102.8114.50.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292016-01-032014-12-282013-12-292012-12-302012-01-012011-01-022010-01-032008-12-282007-12-30
Value2.02.02.02.02.02.02.01.8591.8051.7531.7031.6681.5161.4361.3891.256
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.10.10.10.10.20.10.20.20.4
Percentage of Assets0.00.00.00.00.00.00.00.10.10.10.10.10.10.10.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292016-01-032014-12-282013-12-292012-12-302012-01-012011-01-022010-01-032008-12-282007-12-30
Value5055487047234466428742404067102256120782-68.707-155.335-280.226-352.507-391.923
Percentage of StockholdersEquity97.698.9100.695.094.091.588.255.338.413.66.3-6.4-13.0-32.4-44.1-110.7
Percentage of Assets58.355.662.360.359.158.455.627.716.86.93.2-3.1-8.4-19.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292016-01-032014-12-282013-12-292012-12-302012-01-012011-01-022010-01-032008-12-282007-12-30
Value-3878.0-3872.0-3848.0-3517.0-3389.0-3244.0-3021.0-1673.608-1272.073-1240.345-1187.623-1109.763-541.559-497.543-322.407-251.622
Percentage of StockholdersEquity-74.9-78.7-82.0-74.8-74.3-70.0-65.5-90.5-87.0-80.9-90.1-103.2-45.2-57.6-40.4-71.1
Percentage of Assets-44.7-44.2-50.7-47.5-46.8-44.7-41.3-45.4-38.1-41.1-46.3-50.5-29.4-34.80.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value5310564244834329419443244451422241564545449042623337319429802805264325172318227721432073209622102237206018891906162016311617153716461550178716461664163715441504162315111258981
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets61.264.459.158.557.959.660.859.659.661.564.563.157.057.656.755.654.454.754.253.953.854.756.959.260.458.956.658.253.453.453.654.658.356.569.667.570.971.170.370.171.971.268.468.6

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-01-01
Value419644331810176117701991204218151943227011441346134415601225735
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.450.623.923.824.427.427.925.627.930.716.419.923.028.123.317.2

Short Term Investments

us-gaap:ShortTermInvestments

us-gaap:ShortTermInvestments


Short
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value90197166215631498134113721351123013452368204311688139206876747978247414735886178879198327024414275734533363456249168899851006886902972724645548
Percentage of ShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.02.321.921.120.718.518.819.117.618.234.030.220.014.717.513.613.917.319.317.511.915.516.723.824.823.821.013.514.118.815.011.912.322.835.736.541.943.740.442.043.134.135.138.4

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value540517487464385472573541470457514433395400411383372368381381372402385413368350289276258293238235207210214218188202173169193181165157
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.25.96.46.35.36.57.87.66.76.27.46.46.87.27.87.67.78.08.99.09.310.610.511.110.010.08.78.48.59.67.98.47.37.78.48.98.08.87.97.98.68.69.011.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value38036437241543538435941742041238637436235033332730929930031231128727023322320519119917716415415916816715814713312812813914215014292
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.44.24.95.66.05.34.95.96.05.65.55.56.26.36.36.56.46.57.07.47.87.67.36.36.05.95.76.15.85.45.15.76.06.16.26.15.75.65.96.56.37.17.76.5

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-02
Value104131152126106136105989361707866687191546972774733405480838929573642222856303220161729383036
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.52.01.71.51.91.41.41.30.80.01.11.01.21.31.71.11.41.61.81.10.91.11.52.12.32.60.91.81.21.40.81.02.01.11.30.80.70.81.31.81.42.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-01-032019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value16001457141114091406159615421512142713471253120810801040952813609480380319280233
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.119.919.920.219.022.922.825.825.725.624.824.923.524.322.520.416.514.412.612.512.812.7

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Building


Property
Period End2021-01-032019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-01-032014-12-282013-12-29
Value44444444442852792792691551471289.09.0157.677.677.677.677.67
Percentage of PropertyPlantAndEquipmentGross2.83.03.13.13.117.918.118.518.911.511.710.60.80.90.80.91.31.62.0
Percentage of Assets0.60.60.60.60.64.14.14.84.92.92.92.60.20.20.20.20.20.20.3
Percentage of Assets us-gaap:Building0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerEquipment


Property
Period End2021-01-032019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-01-032014-12-282013-12-292012-12-302012-01-01
Value30527225726325621720721420718517817816815515314913686735854
Percentage of PropertyPlantAndEquipmentGross19.118.718.218.718.213.613.414.214.513.714.214.715.615.016.118.322.418.119.318.219.6
Percentage of Assets4.03.73.63.83.53.13.13.73.73.53.53.73.73.63.63.73.72.62.42.32.5
Percentage of Assets us-gaap:ComputerEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2021-01-032019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-01-032014-12-282013-12-292012-12-302012-01-01
Value997391594610015614810332627327232630630819444358.5317.3910
Percentage of PropertyPlantAndEquipmentGross6.25.06.44.23.36.310.19.87.224.221.822.530.229.532.423.97.37.42.22.33.6
Percentage of Assets1.31.01.30.80.61.42.32.51.96.25.45.67.17.27.34.91.21.10.30.30.5
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Equipment


Property
Period End2021-01-032019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-01-032014-12-282013-12-292012-12-302012-01-01
Value461401389400390382352347331316301294278274264250224192175158143
Percentage of PropertyPlantAndEquipmentGross28.827.527.628.427.723.922.822.923.223.524.024.325.726.427.830.836.840.146.149.551.3
Percentage of Assets6.15.55.55.75.35.55.25.96.06.06.06.16.06.46.36.36.15.85.86.26.5
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2021-01-032019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value464543474845434140343426262420201813108.0229.2746.732
Percentage of PropertyPlantAndEquipmentGross2.93.13.03.33.42.82.82.72.82.52.72.22.42.32.12.53.02.82.82.53.32.9
Percentage of Assets0.60.60.60.70.60.60.60.70.70.60.70.50.60.60.50.50.50.40.30.30.40.4
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2021-01-032019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value645622587596622567505483477331320310273270197191178143104876355
Percentage of PropertyPlantAndEquipmentGross40.342.741.642.344.235.532.731.933.424.625.525.725.326.020.723.529.229.927.527.522.623.8
Percentage of Assets8.58.58.38.58.48.17.58.38.66.36.36.45.96.34.74.84.84.33.53.42.93.0
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-01-032019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value678568536555554521482476444416391371346326319301266214177153136103
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.97.87.68.07.57.57.18.18.07.97.77.67.57.67.57.67.26.45.96.06.25.6

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value8.07.08.08.07.07.010.010.010.010.010.010.09.010.012121212121212141313121112131313118.7725.9644.2023.4663.4684.5453.0353.0352.9852.2952.2951.5951.62
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value915915922910890890889875854852834107510601036983931862837734713633511385342308302280265247230210202193187186166154147143143135129125129117
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.510.512.212.312.312.312.212.312.211.50.015.415.717.717.717.717.117.216.016.715.012.810.29.38.38.28.07.97.67.66.96.76.96.66.86.56.46.36.26.56.35.75.97.18.2

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical

country:GB


Property
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value6562624327333124212226
Percentage of PropertyPlantAndEquipmentNet7.07.05.84.63.99.712.111.913.115.820.5
Percentage of Assets0.90.80.90.80.60.91.00.80.81.01.4
Percentage of Assets country:GB0.00.00.00.00.00.00.00.00.00.00.0

country:SG


Property
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value113112965444302221121414
Percentage of PropertyPlantAndEquipmentNet12.312.68.95.86.28.88.410.57.510.211.3
Percentage of Assets1.51.51.41.01.00.80.70.70.50.70.8
Percentage of Assets country:SG0.00.00.00.00.00.00.00.00.00.00.0

country:US


Property
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value7256969078286362732041501269475
Percentage of PropertyPlantAndEquipmentNet78.678.384.488.989.279.777.274.276.365.957.8
Percentage of Assets9.69.513.015.814.97.46.15.04.94.34.1
Percentage of Assets country:US0.00.00.00.00.00.00.00.00.00.00.0

ilmn:OtherCountries


Property
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-28
Value191910.06.05.2636.1036.256
Percentage of PropertyPlantAndEquipmentNet2.12.10.90.60.71.82.4
Percentage of Assets0.30.30.10.10.10.20.2
Percentage of Assets ilmn:OtherCountries0.00.00.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value966897897897894824824824824831831831831775771771771771775775775776752756724724724724721723723667596604369370321321321321321320278213
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.110.211.812.112.311.311.311.611.811.211.912.314.214.014.715.315.916.818.118.419.520.520.420.319.620.721.722.123.823.724.023.721.122.014.415.213.714.014.715.014.315.115.114.9

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value162134142149156138145152162175185195205168175185196207242255268269273286288301314299304316331297304307130134891031061091121187043
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.51.92.02.21.92.02.12.32.42.72.93.53.03.33.74.04.55.76.06.77.17.47.77.88.69.49.110.010.411.010.610.811.25.15.53.84.54.85.15.05.63.83.1

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032012-12-30
Value142145185175237273130
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.92.02.73.35.57.45.1

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

ilmn:LicensedTechnology


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032012-12-302012-01-012011-01-02
Value4.06.012213130211620
Percentage of FiniteLivedIntangibleAssetsNet2.84.16.512.013.211.216.60.00.0
Percentage of Assets0.10.10.20.40.70.80.80.71.1
Percentage of Assets ilmn:LicensedTechnology0.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032012-12-302012-01-012011-01-02
Value4.04.05.07.01116160.7270.0
Percentage of FiniteLivedIntangibleAssetsNet2.82.82.74.04.76.112.70.00.0
Percentage of Assets0.10.10.10.10.30.50.60.00.0
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.0

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032012-12-302012-01-01
Value1311301591391862157256
Percentage of FiniteLivedIntangibleAssetsNet92.389.785.979.478.478.655.60.0
Percentage of Assets1.71.82.32.64.35.82.82.6
Percentage of Assets us-gaap:DevelopedTechnologyRights0.00.00.00.00.00.00.00.0

us-gaap:LicensingAgreements


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032012-12-302012-01-012011-01-02
Value3.04.05.06.07.4179.153109.7998.977
Percentage of FiniteLivedIntangibleAssetsNet2.12.82.73.43.13.38.20.00.0
Percentage of Assets0.00.10.10.10.20.20.40.40.5
Percentage of Assets us-gaap:LicensingAgreements0.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-31
Value566529532545549559555555558574579
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.56.07.07.47.67.77.67.88.07.80.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value756638589555552435388373350326308325334322312306308286107102999287848268955987695678787373777669595652456326
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.77.37.87.57.66.05.35.35.04.44.44.85.75.85.96.16.36.22.52.42.52.42.42.32.22.02.91.82.92.31.92.82.82.72.93.23.33.02.72.62.32.13.41.9

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-30
Value901973762341761091061101574139
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.02.35.03.22.41.51.41.62.30.60.6

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-30
Value901973762341761091061101574139
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.02.35.03.22.41.51.41.62.30.60.6
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-30
Value901973762341761091061101574139
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.02.35.03.22.41.51.41.62.30.60.6
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value200178192156135130149143139137184156149151160158175142137134250154139123107106829691867363677665745659495258666652
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.32.02.52.11.91.82.02.02.01.92.62.32.52.73.03.13.63.13.23.26.34.13.83.32.93.02.52.93.02.82.42.22.42.82.63.12.42.62.32.42.63.13.63.7

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value67460254145247742551647647347354951345042238843238137838634231533032639635831429633530425921521919919818820119120619818721118516715698
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.86.97.16.16.65.97.16.76.86.40.07.46.77.27.08.27.67.88.48.07.58.38.610.79.68.58.510.09.38.67.17.37.17.06.97.97.98.88.68.69.88.27.98.56.9

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-04-02
Value182188186154153158167161167169175154168153150150
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.12.52.12.12.22.32.32.42.32.52.32.92.82.93.3

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value87412681244111511151054665619612124118041735121711807466656827217046285814816105837257107228566491149322418418409304303299292237297284345534441
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.114.516.415.115.414.59.18.78.816.825.925.720.821.314.213.214.015.716.514.914.612.716.615.619.620.321.626.121.437.710.714.914.814.911.912.412.712.710.813.812.616.329.130.9

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-01-032015-09-272014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value5115075034990.00.063111071107110762562010.02.05.01.01.251.250.5117410230430129884829282937363635350.03340111311290
Percentage of LongTermDebtCurrent100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0
Percentage of Assets6.76.86.96.90.00.08.50.015.916.410.711.20.20.00.10.00.00.00.02.02.79.19.29.827.81.01.01.11.41.41.51.51.50.01.61.85.216.920.3

us-gaap:LongTermDebtCurrent us-gaap:LongtermDebtType

us-gaap:ConvertibleDebt


Long
Period End2021-04-042021-01-032016-01-032015-09-272014-12-28
Value48851174102304
Percentage of LongTermDebtCurrent0.0100.0100.0100.0100.0
Percentage of Assets5.66.72.02.79.1
Percentage of Assets us-gaap:ConvertibleDebt0.00.00.00.00.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-30
Value535351544846454944
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.70.70.70.60.60.70.6

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-02
Value1039383756855645864646348455155535157545351697839292124201919181713149.731101014109.689129.476
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.11.11.00.90.80.90.80.90.90.90.70.80.91.01.11.01.21.31.31.31.82.11.10.80.60.70.60.60.60.60.60.50.50.40.40.40.60.50.50.60.5

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value1271166846445486966683829467595041357732304042442938
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.30.90.60.60.71.21.40.91.11.21.41.11.11.00.80.71.70.70.71.01.11.20.81.2

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value67366665965211411131112011128908607237101182118011691055104710401031102210151007986
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.99.09.19.015.616.016.115.012.812.712.412.822.523.424.122.924.524.625.927.027.527.029.5

us-gaap:LongTermDebtNoncurrent us-gaap:LongtermDebtType

us-gaap:ConvertibleDebt


Long
Period End2021-07-042021-04-042021-01-032017-10-012017-07-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value68768067311801169104410371029102210151007986
Percentage of LongTermDebtNoncurrent0.00.0100.0100.0100.099.799.799.9100.0100.0100.0100.0
Percentage of Assets7.97.88.923.424.124.424.525.827.027.527.029.5
Percentage of Assets us-gaap:ConvertibleDebt0.00.00.00.00.00.00.00.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value2382293032452302242022092112122243593523433643602222122122132041981851801731831711671671881911911921922061341117562694238352824
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.72.64.03.33.23.12.82.93.02.90.05.25.25.96.66.84.44.44.65.04.85.04.94.94.65.04.95.05.16.26.36.36.86.87.55.24.63.22.73.22.01.71.71.61.7

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-30
Value704664671678681696695691698
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.17.68.89.29.49.69.59.710.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-01-03
Value85
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets1.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-01-03
Value92
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets1.2

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-01-03
Value91
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets1.2

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2021-01-03
Value86
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets1.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2021-01-03
Value488
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets6.4

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-01-032019-12-292019-09-292019-06-302019-03-312018-12-31
Value722740740742770722
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0
Percentage of Assets9.510.110.410.610.40.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-01-03
Value924
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets12.2

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-01-03
Value202
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets2.7

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-032008-12-282007-12-30
Value518049224694470045634635461344394332398537583503325730082749285527152551219722402055199118481793162314621274108015731533137413881311131812221180116010751035116810641197864798353
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets59.756.261.963.563.063.863.162.662.153.954.051.855.754.352.356.655.955.551.353.051.652.550.148.446.443.838.935.651.550.848.849.247.851.450.150.350.449.048.251.850.165.160.40.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-022010-01-032008-12-282007-12-30
Value8.08.02.012146.05.0-1.0-1.0-1.0370.036-1.081.2342.1232.1171.7652.832.4221.347
Percentage of StockholdersEquity0.20.20.00.30.30.10.1-0.0-0.0-0.00.0-0.10.10.20.20.10.30.30.4
Percentage of Assets0.10.10.00.20.20.10.1-0.0-0.0-0.00.0-0.00.00.10.10.10.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292016-01-032014-12-282013-12-292012-12-302012-01-012011-01-022010-01-032008-12-282007-12-30
Value399339143815373736493631356024972172256224192249189116371469994
Percentage of StockholdersEquity77.179.581.379.580.078.377.2135.1148.5167.1183.5209.3157.9189.5184.0281.1
Percentage of Assets46.044.750.350.550.350.048.767.765.184.994.3102.5102.8114.50.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292016-01-032014-12-282013-12-292012-12-302012-01-012011-01-022010-01-032008-12-282007-12-30
Value2.02.02.02.02.02.02.01.8591.8051.7531.7031.6681.5161.4361.3891.256
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.10.10.10.10.20.10.20.20.4
Percentage of Assets0.00.00.00.00.00.00.00.10.10.10.10.10.10.10.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292016-01-032014-12-282013-12-292012-12-302012-01-012011-01-022010-01-032008-12-282007-12-30
Value5055487047234466428742404067102256120782-68.707-155.335-280.226-352.507-391.923
Percentage of StockholdersEquity97.698.9100.695.094.091.588.255.338.413.66.3-6.4-13.0-32.4-44.1-110.7
Percentage of Assets58.355.662.360.359.158.455.627.716.86.93.2-3.1-8.4-19.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292016-01-032014-12-282013-12-292012-12-302012-01-012011-01-022010-01-032008-12-282007-12-30
Value-3878.0-3872.0-3848.0-3517.0-3389.0-3244.0-3021.0-1673.608-1272.073-1240.345-1187.623-1109.763-541.559-497.543-322.407-251.622
Percentage of StockholdersEquity-74.9-78.7-82.0-74.8-74.3-70.0-65.5-90.5-87.0-80.9-90.1-103.2-45.2-57.6-40.4-71.1
Percentage of Assets-44.7-44.2-50.7-47.5-46.8-44.7-41.3-45.4-38.1-41.1-46.3-50.5-29.4-34.80.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-282013-12-29
Value469447004563463546134439433240703845359433513073274928552715255122702319213920701848193614621533
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets61.963.563.063.863.162.662.155.155.353.257.355.452.356.655.955.553.054.953.754.650.151.943.850.8

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-01-032019-12-292018-12-30
Value1.04.0-2.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.1-0.1
Percentage of Assets0.00.1-0.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032014-12-282013-12-29
Value2.012146.05.05.05.02.0-1.0-2.0-1.0-1.0-1.00.00.0-1.0-1.0371.3142.3181.9820.036-1.081.234
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.30.30.10.10.10.10.0-0.0-0.1-0.0-0.0-0.00.00.0-0.0-0.00.10.10.10.0-0.10.1
Percentage of Assets0.00.20.20.10.10.10.10.0-0.0-0.0-0.0-0.0-0.00.00.0-0.0-0.00.00.10.10.0-0.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032014-12-282013-12-29
Value38153737364936313560351034363385329030932939289728332891283627982733273826642617249721722562
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest81.379.580.078.377.279.179.383.285.686.187.794.3103.1101.3104.5109.7120.4118.0124.5126.4135.1148.5167.1
Percentage of Assets50.350.550.350.048.749.549.345.847.345.850.252.353.957.358.460.963.964.866.969.067.765.184.9
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032014-12-282013-12-29
Value2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.01.8871.8821.8781.8761.8591.8051.753
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.1
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032014-12-282013-12-29
Value472344664287424040673828359432983083287226732464225621882025189714851361123211121022561207
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.695.094.091.588.286.283.081.080.279.979.880.282.176.674.674.465.458.757.653.755.338.413.6
Percentage of Assets62.360.359.158.455.654.051.544.644.342.545.744.542.943.441.741.334.732.230.929.327.716.86.9
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032014-12-282013-12-29
Value-3848.0-3517.0-3389.0-3244.0-3021.0-2906.0-2705.0-2702.0-2616.0-2462.0-2356.0-2354.0-2341.0-2226.0-2148.0-2145.0-2022.429-1862.702-1846.054-1742.782-1673.608-1272.073-1240.345
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-82.0-74.8-74.3-70.0-65.5-65.5-62.4-66.4-68.0-68.5-70.3-76.6-85.2-78.0-79.1-84.1-89.1-80.3-86.3-84.2-90.5-87.0-80.9
Percentage of Assets-50.7-47.5-46.8-44.7-41.3-41.0-38.8-36.6-37.6-36.4-40.3-42.5-44.5-44.1-44.2-46.7-47.2-44.1-46.3-45.9-45.4-38.1-41.1
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value2000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.01887000.01882000.01878000.01876000.01859000.01849000.01829000.01823000.01805000.01794000.01785000.01778000.01753000.01739000.01726000.01711000.01703000.01690000.01685000.01681000.01668000.01661000.01651000.01608000.01516000.01436000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value3993391438153737364936313560351034363385329030932939289728332891283627982733273826642617249724542172
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.044.750.350.550.350.048.749.549.345.847.345.850.252.353.957.358.460.963.964.866.969.067.765.865.1

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value50554870472344664287424040673828359432983065308328722673246422562188202518971485136112321112102291880069756140731426720712795598210-19.108-42.51-68.707-80.432-100.584-131.204-155.335-280.226
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets58.355.662.360.359.158.455.654.051.544.60.044.342.545.744.542.943.441.741.334.732.230.929.327.724.621.619.916.812.410.48.86.94.53.42.23.20.4-0.8-1.8-3.1-3.7-4.5-6.2-8.4-19.6

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value8.08.02.012146.05.05.05.02.0-1.0-2.0-1.0-1.0-1.0-1.0-1.0371.3142.3181.9820.0361.040.5992.334-1.080.3611.3331.2081.2341.3681.1631.7032.1232.4472.2032.2632.1172.0862.3471.121.7652.83
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.00.20.20.10.10.10.10.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.10.10.00.00.00.1-0.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.2

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-01-03
Value3878387238483517338932443021290627052702261624622356235423412226214821452022186218461742167314391396139012721236129413791240124012401215118711631143111011091109905877541497
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.744.250.747.546.844.741.341.038.836.637.636.440.342.544.544.144.246.747.244.146.345.945.438.637.739.738.137.742.645.241.144.043.944.346.347.748.748.350.551.740.141.329.434.8

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value79687861163950454851484750484134395027343135
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value79687861163950454851484750484134395027343135
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value2532821532402814432671431983002922952552942351781682801502173918017166140145178371268388877851966510890718881547759
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.525.819.337.932.746.529.417.123.434.634.235.532.637.832.926.928.145.224.836.27.032.931.812.427.430.339.88.832.723.325.626.525.517.934.324.043.338.224.831.431.223.136.430.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value3.01376-65.0-320.0-135.0-104.0-218.079988-348.0-940.0-537.012-315.0-97.035163-173.292-341.23143-43.553-38.927-142.47-154.147-332.783-44.231114-144.387-150.81-101.295247-65.02118-17.105-9.648-141.87-42.9667-272.264-152.876-70.057-93.872-96.46-24.664
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3125.9-8.2-50.6-15.7-10.9-24.09.4116.8-40.1-110.2-64.71.5-40.5-13.65.327.3-28.0-56.27.3-7.6-7.1-26.4-28.6-64.9-9.225.6-34.3-38.9-28.471.5-19.66.0-6.0-3.4-52.0-17.228.5-94.7-54.1-26.8-39.6-45.5-12.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value-496.0968-101.0-143.0-191.0-115.0-173.0-549.0-60.0-154.06513067-109.0-5.024-86.0-163.49234-63.345-12.349-180.89727-12.5340.20255-136.521-85.92443-75.0535.784-13.006-6.042-8.065-30.264337.848-187.835122526124334
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-44.088.6-12.7-22.6-22.2-12.1-19.1-65.5-7.1-17.876.33.68.6-14.0-0.73.6-14.4-26.45.7-10.6-2.2-32.95.2-2.30.011.5-30.5-20.411.2-21.01.7-3.9-2.0-2.8-10.812.33.1-79.817.979.810.25.220.417.9

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-01
Value-237.02623-9.0-221.0-51.0227-128.0-327.01126-202.02.0-216.0335
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.0240.0-1.1-34.9-5.923.8-14.1-39.0133.1-23.30.2-26.042.8

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-28
Value20-8.0113.0-16.011-3.04.0-47.03212-1.02.0-2.0123.0-3.05.338-14.9564.5923.057181.85128-16.854
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value223982-91.0-99.0297510.0-56.08136-1.0-11.027132.0-16.01.768.491-26.12124615591220-34.967523.42424-5.825-6.129-2.60423-15.945294.467-18.2079.63911-4.90818-6.950.788
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value17-8.0-19.05124-58.0-3.010.026131211176.01810.0-1.0-12.0711.1712317111814-8.15121139.991-6.615-7.9610.0938.266108.654.969-0.159-12.837-4.791-8.4743.95128.697198.181
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value2532821532402814432671431983002922952552942351781682801502173918017166140145178371268388877851966510890718881547759
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.525.819.337.932.746.529.417.123.434.634.235.532.637.832.926.928.145.224.836.27.032.931.812.427.430.339.88.832.723.325.626.525.517.934.324.043.338.224.831.431.223.136.430.7

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value185147257179471732392342962332101992092086816312836712312812089104118102136153934659803135-22.587712923261120302438352921
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.413.40.022.57.420.125.125.835.327.524.223.325.226.68.722.819.361.420.021.220.115.717.721.519.025.429.919.510.414.320.88.810.4-6.823.210.48.39.64.78.610.78.514.714.914.111.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-29
Value18514725717947173
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.413.40.022.57.420.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-28
Value17947173239234293224198188200197581521203481071161168710211510213615393
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.57.420.125.125.835.026.522.822.024.125.27.521.318.158.217.419.319.415.317.421.019.025.429.919.5

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value8067611639494648514748504841343950273431353232313844353329272424242324232124232219171616
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value3.01376-65.0-320.0-135.0-104.0-218.079988-348.0-940.0-537.012-315.0-97.035163-173.292-341.23143-43.553-38.927-142.47-154.147-332.783-44.231114-144.387-150.81-101.295247-65.02118-17.105-9.648-141.87-42.9667-272.264-152.876-70.057-93.872-96.46-24.664
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3125.9-8.2-50.6-15.7-10.9-24.09.4116.8-40.1-110.2-64.71.5-40.5-13.65.327.3-28.0-56.27.3-7.6-7.1-26.4-28.6-64.9-9.225.6-34.3-38.9-28.471.5-19.66.0-6.0-3.4-52.0-17.228.5-94.7-54.1-26.8-39.6-45.5-12.8

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value4442483940574947566564779076826983815767532941363428231927181121171720132722161212131311
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value-496.0968-101.0-143.0-191.0-115.0-173.0-549.0-60.0-154.06513067-109.0-5.024-86.0-163.49234-63.345-12.349-180.89727-12.5340.20255-136.521-85.92443-75.0535.784-13.006-6.042-8.065-30.264337.848-187.835122526124334
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-44.088.6-12.7-22.6-22.2-12.1-19.1-65.5-7.1-17.876.33.68.6-14.0-0.73.6-14.4-26.45.7-10.6-2.2-32.95.2-2.30.011.5-30.5-20.411.2-21.01.7-3.9-2.0-2.8-10.812.33.1-79.817.979.810.25.220.417.9

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2021-07-042021-04-042019-12-292018-12-302017-12-312017-10-012017-01-012016-10-02
Value0.09880.00.00.00.00.03.0
Percentage of ProceedsFromIssuanceOfLongTermDebt0.0100.00.00.00.00.00.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-02
Value125142188631980.0639875750.010113613370.034340.0721300.00.025253025320.00.02042833828
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-07-042021-04-042020-09-272020-06-282019-09-292019-06-302018-09-302018-07-012017-10-012016-10-022016-07-032015-09-272015-06-282014-09-282014-06-292013-09-292013-06-302012-09-302012-07-012011-10-022011-07-03
Value10.813.116.80.7160.1320.1540.190.1390.1290.2420.2590.1030.2760.1690.2290.1560.2730.3180.3270.2750.375
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber


Share
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-022010-01-032008-12-28
Value0.0090.0090.010.010.010.0410.0580.0640.1070.1580.1920.2210.2590.3050.3220.4410.6980.9381.0451.0651.2661.4311.5991.7962.1452.5933.2113.6184.1854.8455.7246.3257.3378.4458.3518.9979.2479.403101010111618
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-022010-01-032008-12-28
Value63.4560.2159.1159.1158.2164.6356.6557.5858.2655.9554.5252.2250.0147.246.9351.5152.5449.1348.5648.0845.0442.5941.9540.5538.3836.4234.7433.7433.7533.8732.6431.8331.7831.032.131.6931.3430.8829.6929.5729.1722.8318.5916.26
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:PerformanceShares


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-30
Value38000.0390000.0118000.0-255000.055000.013000.0-12000.0125000.039000.0127000.045000.0200000.07000.08000.023000.0142000.018000.02000.010000.04000.05000.03000.0770000.010000.01000.0187000.080000.033000.033000.0438000.010000.046000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-29
Value27000.070000.026000.0126000.082000.0628000.018000.0575000.020000.043000.017000.0738000.042000.054000.045000.01071000.053000.067000.054000.042000.055000.022000.0468000.041000.049000.0222000.0783000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod71.117.922.0-49.4149.14830.8-150.0460.051.333.937.8369.0600.0675.0195.7754.2294.43350.0540.01050.01100.0733.360.8410.04900.0118.7978.8

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2021-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value53165146768132
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value27934528522123027225126113211085
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-022010-01-032008-12-28
Value8079887965565249372822119.402
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value81131525181315191.7561.7994.986
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:BusinessAcquisitionContingentValueRightsConsiderationStockValue us-gaap:BusinessAcquisition

ilmn:BusinessAcquisitionContingentValueRightsConsiderationStockValue

ilmn:GRAILInc


Business
Period End2020-09-20
Value850
Percentage of BusinessAcquisitionContingentValueRightsConsiderationStockValue100.0

ilmn:BusinessAcquisitionContingentValueRightsRevenueThreshold ilmn:ContingentPaymentRights, us-gaap:BusinessAcquisition

ilmn:BusinessAcquisitionContingentValueRightsRevenueThreshold

ilmn:PaymentRightsOfAboveOneBillionEachTwelveYears, ilmn:GRAILInc


Business
Period End2020-09-20
Value1000
Percentage of BusinessAcquisitionContingentValueRightsRevenueThreshold100.0

ilmn:PaymentRightsOfAboveOneBillionEachTwelveYears, ilmn:GRAILInc.


Business
Period End2020-09-20
Value1000
Percentage of BusinessAcquisitionContingentValueRightsRevenueThreshold100.0

ilmn:PaymentRightsOfOneBillionEachTwelveYears, ilmn:GRAILInc


Business
Period End2020-09-20
Value1000
Percentage of BusinessAcquisitionContingentValueRightsRevenueThreshold100.0

ilmn:PaymentRightsOfOneBillionEachTwelveYears, ilmn:GRAILInc.


Business
Period End2020-09-20
Value1000
Percentage of BusinessAcquisitionContingentValueRightsRevenueThreshold100.0

ilmn:BusinessAcquisitionTerminationFee us-gaap:BusinessAcquisition

ilmn:BusinessAcquisitionTerminationFee

ilmn:GRAILInc


Business
Period End2020-09-20
Value300
Percentage of BusinessAcquisitionTerminationFee100.0

ilmn:GRAILInc.


Business
Period End2020-09-20
Value300
Percentage of BusinessAcquisitionTerminationFee100.0

ilmn:BusinessCombinationContinuationPayments us-gaap:BusinessAcquisition

ilmn:BusinessCombinationContinuationPayments

ilmn:GRAILInc


Business
Period End2020-09-20
Value35
Percentage of BusinessCombinationContinuationPayments100.0

ilmn:GRAILInc.


Business
Period End2020-09-20
Value35
Percentage of BusinessCombinationContinuationPayments100.0

ilmn:BusinessCombinationMonthlyAdditionalPayments us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

ilmn:BusinessCombinationMonthlyAdditionalPayments

ilmn:GRAILInc., us-gaap:SubsequentEvent


Business
Period End2021-01-31
Value35
Percentage of BusinessCombinationMonthlyAdditionalPayments100.0

ilmn:BusinessCombinationThresholdOfContinuationPayments us-gaap:BusinessAcquisition

ilmn:BusinessCombinationThresholdOfContinuationPayments

ilmn:GRAILInc


Business
Period End2020-09-20
Value315
Percentage of BusinessCombinationThresholdOfContinuationPayments100.0

ilmn:GRAILInc.


Business
Period End2020-09-20
Value315
Percentage of BusinessCombinationThresholdOfContinuationPayments100.0

ilmn:ContingentValueUnrealizedGainLoss dei:LegalEntity

ilmn:ContingentValueUnrealizedGainLoss

ilmn:HelixHoldingsILLC


Contingent
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-30
Value8.010.00.08.0-3.00.02.03.0
Percentage of ContingentValueUnrealizedGainLoss100.0100.00.0100.0100.00.0100.0100.0

ilmn:CostOfGoodsAndServicesSoldAmortizationOfAcquiredIntangibleAssets

ilmn:CostOfGoodsAndServicesSoldAmortizationOfAcquiredIntangibleAssets


Cost
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-03
Value7.07.07.09.010.09.09.010.09.08.09.09.010.01110101010121111109.6779.5459.5359.2069.2638.5846.554.4793.5883.0433.0433.0363.0353.0352.985
Percentage of CostOfGoodsAndServicesSoldAmortizationOfAcquiredIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:IncreaseDecreaseOfOperatingLeasesNet

ilmn:IncreaseDecreaseOfOperatingLeasesNet


Increase
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-31
Value2.03.02.06.01.02.00.02.01.0
Percentage of IncreaseDecreaseOfOperatingLeasesNet100.0100.0100.0100.0100.0100.00.0100.0100.0

ilmn:LossContingencyRoyaltyOnInvolvedProductsPercentage

ilmn:LossContingencyRoyaltyOnInvolvedProductsPercentage


Loss
Period End2021-05-122021-04-12
Value5.53.6
Percentage of LossContingencyRoyaltyOnInvolvedProductsPercentage100.0100.0

ilmn:PaymentsForProceedsFromStrategicInvestments

ilmn:PaymentsForProceedsFromStrategicInvestments


Payments
Period End2020-09-272019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-28
Value5.05.02.010.03.03.03.06.03.04.00.0187.04.8422.6293.5292.8425.02612-13.0675.0
Percentage of PaymentsForProceedsFromStrategicInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:PaymentsForStrategicInvestments

ilmn:PaymentsForStrategicInvestments


Payments
Period End2021-07-042021-04-04
Value9.03.0
Percentage of PaymentsForStrategicInvestments100.0100.0

ilmn:ProceedsFromStrategicInvestments

ilmn:ProceedsFromStrategicInvestments


Proceeds
Period End2021-07-042021-04-04
Value13684
Percentage of ProceedsFromStrategicInvestments100.0100.0

ilmn:StockIssuedDuringPeriodNetOfRepurchasesValue

ilmn:StockIssuedDuringPeriodNetOfRepurchasesValue


Stock
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-29
Value-6.07.0-331.0-101.0-143.0-191.0
Percentage of StockIssuedDuringPeriodNetOfRepurchasesValue100.0100.0100.0100.0100.0100.0

ilmn:StockIssuedDuringPeriodNetOfRepurchasesValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-04-042020-09-272020-06-282020-03-29
Value31272.032
Percentage of StockIssuedDuringPeriodNetOfRepurchasesValue442.9-26.7-1.4-16.8

us-gaap:TreasuryStock


Stock
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-29
Value-6.0-24.0-331.0-128.0-145.0-223.0
Percentage of StockIssuedDuringPeriodNetOfRepurchasesValue100.0-342.9100.0126.7101.4116.8

ilmn:StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue

ilmn:StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue


Stock
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value-101.0-143.0-191.0-115.0-172.00.0-59.0-153.0-83.0-1.08.0-107.0-46.05.0-100.0-159.2383.879-99.68-46.501
Percentage of StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value272.032293.0271.0231.0218.0328.0230.484203.5923
Percentage of StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue-26.7-1.4-16.8-16.90.0-45.8-0.7-27.7-100.0262.5-7.5-69.6160.0-23.0-0.3529.1-3.6-49.5

us-gaap:TreasuryStock


Stock
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value-128.0-145.0-223.0-115.0-201.0-3.0-86.0-154.0-106.0-2.0-13.0-115.0-78.0-3.0-123.0-159.727-16.648-103.272-69.52
Percentage of StockIssuedNewIssuesTreasuryStockAcquiredInPeriodValue126.7101.4116.8100.0116.90.0145.8100.7127.7200.0-162.5107.5169.6-60.0123.0100.3-429.2103.6149.5

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax


Allocated
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-04
Value65544911303935374137403938272327399.33326242722232231292422201916161715151514161514121111
Percentage of AllocatedShareBasedCompensationExpenseNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfDebtDiscountPremium


Amortization
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value10.09.010.010.09.013141510.08.08.07.08.08.07.07.397.3337.2787.7319.4521010109.9929.0058.9929.1429.0639.0239.0098.9048.8018.6998.5998.58.4928.6716.5145.5035.45.3015.203
Percentage of AmortizationOfDebtDiscountPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

ilmn:GRAILInc


Business
Period End2020-09-20
Value8000
Percentage of BusinessCombinationConsiderationTransferred1100.0

ilmn:GRAILInc.


Business
Period End2020-09-20
Value8000
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable

ilmn:GRAILInc


Business
Period End2020-09-20
Value4500
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable100.0

ilmn:GRAILInc.


Business
Period End2020-09-20
Value4500
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable100.0

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

ilmn:GRAILInc.


Business
Period End2020-09-20
Value1000
Percentage of BusinessCombinationConsiderationTransferredLiabilitiesIncurred100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-07-042021-04-042020-09-272020-06-282019-09-292019-06-302018-09-302018-07-01
Value4583303827422634
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostOfGoodsAndServicesSoldAmortization

us-gaap:CostOfGoodsAndServicesSoldAmortization


Cost
Period End2021-07-042021-04-042020-06-282020-03-29
Value7.06.07.07.0
Percentage of CostOfGoodsAndServicesSoldAmortization100.0100.0100.0100.0

us-gaap:DebtConversionConvertedInstrumentAmount1 us-gaap:DebtInstrument

us-gaap:DebtConversionConvertedInstrumentAmount1

ilmn:ConvertibleSeniorNotesDue2021


Debt
Period End2021-07-042021-04-04
Value29617
Percentage of DebtConversionConvertedInstrumentAmount1100.0100.0

us-gaap:DebtConversionConvertedInstrumentSharesIssued1 us-gaap:DebtInstrument

us-gaap:DebtConversionConvertedInstrumentSharesIssued1

ilmn:ConvertibleSeniorNotesDue2021


Debt
Period End2021-07-042021-04-04
Value660000.040000.0
Percentage of DebtConversionConvertedInstrumentSharesIssued1100.0100.0

us-gaap:DebtConversionOriginalDebtAmount1 us-gaap:DebtInstrument

us-gaap:DebtConversionOriginalDebtAmount1

ilmn:ConvertibleSeniorNotesDue2021


Debt
Period End2021-07-042021-04-04
Value49027
Percentage of DebtConversionOriginalDebtAmount1100.0100.0

us-gaap:DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal

ilmn:ConvertibleSeniorNotesDue2021, us-gaap:ConvertibleDebt


Debt
Period End2021-04-042019-03-31
Value275105
Percentage of DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal100.0100.0

us-gaap:DebtInstrumentConvertibleStockPriceTrigger us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleStockPriceTrigger

ilmn:ConvertibleSeniorNotesDue2021, us-gaap:ConvertibleDebt


Debt
Period End2021-04-042020-09-27
Value330.640
Percentage of DebtInstrumentConvertibleStockPriceTrigger100.00.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value414139383738373937403535302929262624232120181716171415141313111112121111151413129.5938.8078.4137.391
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2021-07-042021-04-042020-09-272020-06-282020-03-29
Value0.026-9.0-12.0-95.0
Percentage of DerivativeGainLossOnDerivativeNet0.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet dei:LegalEntity, us-gaap:BusinessAcquisition

ilmn:PacificBiosciencesofCaliforniaIncPacBio, ilmn:SBNorthstarLP


Derivative
Period End2021-04-04
Value26
Percentage of DerivativeGainLossOnDerivativeNet100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:BusinessAcquisition

ilmn:SBNorthstarLP


Derivative
Period End2021-04-04
Value26
Percentage of DerivativeGainLossOnDerivativeNet100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

ilmn:PacificBiosciencesofCaliforniaIncPacBio, us-gaap:OtherOperatingIncomeExpense


Derivative
Period End2020-09-272020-06-282020-03-29
Value-10.0-11.0-4.0
Percentage of DerivativeGainLossOnDerivativeNet111.191.74.2

ilmn:PacificBiosciencesofCaliforniaIncPacBio, us-gaap:SellingGeneralAndAdministrativeExpenses


Derivative
Period End2021-07-042021-04-042020-09-272020-06-282020-03-29
Value0.0-92.00.00.0-92.0
Percentage of DerivativeGainLossOnDerivativeNet0.0-353.8-0.0-0.096.8

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-04-042020-06-282020-03-292019-12-292018-12-30
Value-3000000.02000000.0-6000000.03000000.00
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.00.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense


Employee
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-04
Value1513126.09.010.010.01110.010.08.01110.014111211177.6047.6677.8119.8769.3159.1137.0911411109.6968.0597.4997.5656.9797.8218.1357.8237.7448.4648.1997.7617.5926.1075.586
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinitelivedIntangibleAssetsAcquired1 us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FinitelivedIntangibleAssetsAcquired1

us-gaap:DevelopedTechnologyRights


Finitelived
Period End2021-07-042020-06-28
Value3526
Percentage of FinitelivedIntangibleAssetsAcquired1100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilities


Increase
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value57105-27.062-103.0376.0-17.0-70.0582835-18.02515-11.05233-26.052-1.482-29.7913326-51.044433132-23.1472631-4.107-15.267-2.9431.03612141.5791012170.748.89175.061
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes


Increase
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-29
Value7779-3.0-76.029-24.019-17.011-14.010.01111-28.01320-86.0-36.023-29.71-34.0296.2-3.098-27.129-53.452
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


Increase
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-28
Value3.04.02.012111.0183.08.00.04.04.01.02.00.02.01.00.8220.2383.4182.404-2.9180.8162.5330
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities


Increase
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-28
Value0.0-4.06.06.024-19.0-2.05.0-17.00.011-20.05.01374.0154.05.7882.3633.5734.013-6.7650.0241.521-1.947
Percentage of IncreaseDecreaseInOtherNoncurrentLiabilities0.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value1.0-7.018-17.0140.03.017-6.02.0-6.0-3.02.06.0-9.0-3.0-2.04.7761.673-7.8162.5713.60.2251.157-26.771181.587-0.125-3.1730.742.186-1.5361.663.253-0.62-1.231-13.4588.9351.0945.4450.017-0.479-0.545-1.547
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities

us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities


Incremental
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-022010-10-032010-07-04
Value1000000.01000000.01000000.000001000000.01000000.01000000.01000000.0-20000.0-40000.0-119000.0239000.01670000.02194000.02177000.0-478000.01972000.04410000.05518000.0288000.01028000.01064000.0026000.0906000.0925000.0991000.0-1102000.01292000.02408000.0677000.09292000.08404000.0
Percentage of IncrementalCommonSharesAttributableToConversionOfDebtSecurities100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-04
Value1000000.01000000.01000000.001000000.01000000.01000000.001000000.01000000.01000000.002000000.01000000.01000000.06000.01196000.01111000.01252000.02653000.02555000.02735000.0-27000.04124000.04160000.04816000.0114000.04596000.04382000.0094000.03719000.03527000.04060000.0-612000.04549000.05607000.05790000.0267000.04734000.04295000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


Investment
Period End2021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value1.05.07.014161620231314115.06.04.05.04.03.1162.0563.4031.2242.7671.3441.6930.9470.5341.4640.9560.9651.2670.7221.9338.8383.4591.3852.5262.1431.3881.9811.541.6322.7911.7512.204
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingencyDamagesSoughtValue

us-gaap:LossContingencyDamagesSoughtValue


Loss
Period End2021-05-122021-04-12
Value22554
Percentage of LossContingencyDamagesSoughtValue100.0100.0

us-gaap:MarketableSecuritiesGainLoss

us-gaap:MarketableSecuritiesGainLoss


Marketable
Period End2021-07-042021-04-042020-06-282020-03-29
Value28-72.0663.0
Percentage of MarketableSecuritiesGainLoss100.0100.0100.0100.0

us-gaap:MarketableSecuritiesRealizedGainLoss

us-gaap:MarketableSecuritiesRealizedGainLoss


Marketable
Period End2021-07-042021-04-04
Value7000000.0-14000000.0
Percentage of MarketableSecuritiesRealizedGainLoss100.0100.0

us-gaap:MarketableSecuritiesUnrealizedGainLoss

us-gaap:MarketableSecuritiesUnrealizedGainLoss


Marketable
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-30
Value-3.0-58.059663.0-4.0471022.021
Percentage of MarketableSecuritiesUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest


Net
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value179471732392342952312061962072076816312836011612311989
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value179471732392342962332101992092086816312836712312812089
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.3100.9101.9101.5101.0100.5100.0100.0100.0101.9106.2104.4100.6100.4

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent


Other
Period End2021-07-042021-04-04
Value07000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent0.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-04-04
Value7000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-312017-10-012017-07-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-04
Value0-1000000.0-10000000.0-2000000.08000000.01000000.0003000000.03000000.01000000.0-1000000.0-1000000.01000000.01000000.0-2351000.0-1004000.0336000.01946000.0441000.0-1735000.03414000.0-1441000.0-972000.0125000.0-26000.0-134000.0205000.0-540000.0-420000.0-324000.0244000.0-59000.0145000.031000.0-261000.01227000.0-645000.0-800000.0-48000.0-39000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax0.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-04-042021-01-032020-09-272020-06-282020-03-292019-06-302019-03-312018-12-302018-09-302017-10-012017-01-012016-10-022016-07-032016-04-03
Value-1000000.0-10000000.0-2000000.08000000.01000000.03000000.03000000.01000000.0-1000000.00-2351000.0-1004000.0336000.01946000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-03
Value-2.0192.010.02.0-9.05.00.05.017-6.00.06.0-3.0-3.03.02.0-9.569-1.759-4.4861.055-4.296-0.636-0.556-5.53-4.121-0.3310.636-2.002-0.3891.965-4.107-0.602-1.586-3.108-2.484-0.802-3.233-2.412-2.4250.242-3.131
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromDerivativeInstrumentInvestingActivities

us-gaap:PaymentsForProceedsFromDerivativeInstrumentInvestingActivities


Payments
Period End2021-07-042021-04-042020-06-282020-03-29
Value0.0-52.00.0132
Percentage of PaymentsForProceedsFromDerivativeInstrumentInvestingActivities0.0100.00.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-03-31
Value6.0243.03.035524.03.023563.02.013404.02.022233.5733.272695.1756.143830.370.2590.5838.8262.468
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-01
Value0.0772102912562503672761175071215539598
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesGross

ilmn:GRAILInc


Payments
Period End2020-09-20
Value3500
Percentage of PaymentsToAcquireBusinessesGross100.0

ilmn:GRAILInc.


Payments
Period End2020-09-20
Value3500
Percentage of PaymentsToAcquireBusinessesGross100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2020-09-272019-12-292019-09-292018-12-302017-01-012014-12-282013-12-292013-03-312012-12-302012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value3.00.00.00.00.00.0863450.00.00.00.00.0580.001236510.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.00.00.00.00.00.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromDebtNetOfIssuanceCosts us-gaap:LongtermDebtType

us-gaap:ProceedsFromDebtNetOfIssuanceCosts

ilmn:TermNotes


Proceeds
Period End2021-03-23
Value992
Percentage of ProceedsFromDebtNetOfIssuanceCosts100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-022010-10-032010-07-042010-04-04
Value0.031272.0320.0293.0271.0231.0218.0329.0220.505203.50823231229113022321439301015103.898241.88118261520213326
Percentage of ProceedsFromIssuanceOfCommonStock0.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


Proceeds
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-03
Value0.0331109111107125581731031150154141415140854848-8.648353676945342322548441651144663728782135412161
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-01
Value0.01031921011861011422681187718844288
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrualPayments

us-gaap:ProductWarrantyAccrualPayments


Product
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-31
Value6.06.06.04.05.08.05.06.06.05.06.07.07.06.556.5226.3515.374.1123.1072.6553.144.8574.751
Percentage of ProductWarrantyAccrualPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrualWarrantiesIssued

us-gaap:ProductWarrantyAccrualWarrantiesIssued


Product
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-31
Value7.08.06.02.03.08.03.06.03.07.08.06.06.06.9246.8977.5346.8035.624.1921.7453.6314.8775.421
Percentage of ProductWarrantyAccrualWarrantiesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfConvertibleDebt

us-gaap:RepaymentsOfConvertibleDebt


Repayments
Period End2021-07-042021-04-042014-12-282014-09-282012-04-012012-01-012011-10-022011-07-032011-04-03
Value490270.00.00.00.08.96587253
Percentage of RepaymentsOfConvertibleDebt100.0100.00.00.00.00.0100.0100.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

us-gaap:Investee


Revenue
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-28
Value22131610.013221518153932363631383523131216131614178.414
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod

us-gaap:PerformanceShares


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-31
Value14000.06000.0041000.030000.03000.013000.010000.039000.0010000.05000.015000.04000.024000.03000.033000.0-3000.02000.066000.031000.016000.04000.0103000.001000.048000.010000.00050000.020000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-29
Value71000.088000.032000.065000.070000.033000.028000.040000.043000.014000.023000.062000.070000.042000.061000.057000.066000.033000.044000.072000.081000.042000.048000.0132000.026000.061000.042000.055000.025000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod507.11466.70.0158.5233.31100.0215.4400.0110.30.0230.01240.0466.71050.0254.21900.0200.0-1100.02200.0109.1261.3262.51200.0128.20.06100.087.5550.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-31
Value-3.59486.2806.38254.812.9411.423.9163.530-1.241.94161.84-2.32-7.13-2.15185.43-0.460.45-1.65164.7112.463.6681.12003.8349.0400-0.1250.54
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-29
Value3.15311.13.03.63260.734.935.1410.77204.640.952.131.07168.15-0.191.520.87146.833.341.040.16135.25.00.8491.131.983.326.053.790.89
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue-87.764.00.056.9102.3167.745.0276.2125.10.0-171.855.2103.98.2-21.3-40.579.2-726.1231.1-9.782.140.123.0112.30.00.0156.7109.70.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:EmployeeStock


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-03
Value14.8199.67-1.62077.1903.99071.4803.52.2655.83-0.040.18046.670.410.11047.77
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.00.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0

us-gaap:PerformanceShares


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-30
Value-2.92477.7885.62-90.7348.46-5.721.3254.157.855.72164.3636.66.498.61139.83-43.19-7.91-13.63178.2914.28-4.18194.34-44.261.340.14147.36.621.870.3450.33-0.01-0.65
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue-19.7479.4-5285.20.0451.40.033.10.0224.3253.1294.4-91500.03605.60.0299.6-10534.1-7190.90.0373.20.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-29
Value-13.62445.138.91-7.37300.297.950.0713.89291.7949.2115.8328.21228.7934.36.812.64153.64-23.851.36-9.76164.722.595.25194.6124.764.042.24141.4917.33
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue-92.0446.6-550.00.0389.00.01.80.0408.20.0452.31248.2409.8-85750.03777.80.0329.2-5817.11236.40.0344.80.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-07-042021-04-042017-12-312017-10-012015-09-272014-12-282014-09-282014-06-292014-03-30
Value56000.017000.0604000.053000.085000.0740000.0117000.0117000.0409000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-07-042021-04-042017-12-312017-10-012015-09-272014-12-282014-09-282014-06-292014-03-30
Value38.38230.5821.066.321.532.31.241.0850.82
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum

us-gaap:EmployeeStock


Share
Period End2021-07-042021-04-04
Value-1.048.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum

us-gaap:EmployeeStock


Share
Period End2021-07-042021-04-04
Value2.030.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:Range, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

srt:Maximum, us-gaap:EmployeeStock


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-30
Value-0.11.562.014400.0256000.02560
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate100.0100.0100.00.0100.00.00.0100.00.0

srt:Minimum, us-gaap:EmployeeStock


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-09-292019-06-302019-03-312018-12-30
Value00.08-1.351.44540.0146-0.000100.01890
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate-0.05.1-67.00.057.00.00.073.80.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost

ilmn:PerformanceSharesGrantedIn2019


Share
Period End2021-02-28
Value41
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost100.0

ilmn:PerformanceSharesGrantedIn2020


Share
Period End2021-02-28
Value65
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost158.5

us-gaap:PerformanceShares


Share
Period End2020-09-27
Value17
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod

us-gaap:EmployeeStock, ilmn:A2000EmployeeStockPurchasePlan


Share
Period End2021-07-042021-04-04
Value0100000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod0.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice


Share
Period End2021-07-042021-04-04
Value-23.7848.36
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised


Stock
Period End2021-07-042021-04-04
Value01000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised0.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-07-302021-04-232021-02-122020-10-23
Value146146145146
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0

ilmn:BusinessAcquisitionContingentValueRightsProRataOnePercentage ilmn:ContingentPaymentRights, us-gaap:BusinessAcquisition

ilmn:BusinessAcquisitionContingentValueRightsProRataOnePercentage

ilmn:PaymentRightsOfOneBillionEachTwelveYears, ilmn:GRAILInc


Business
Period End2020-09-20
Value2.5
Percentage of BusinessAcquisitionContingentValueRightsProRataOnePercentage100.0

ilmn:PaymentRightsOfOneBillionEachTwelveYears, ilmn:GRAILInc.


Business
Period End2020-09-20
Value2.5
Percentage of BusinessAcquisitionContingentValueRightsProRataOnePercentage100.0

ilmn:BusinessAcquisitionContingentValueRightsProRataTwoPercentage ilmn:ContingentPaymentRights, us-gaap:BusinessAcquisition

ilmn:BusinessAcquisitionContingentValueRightsProRataTwoPercentage

ilmn:PaymentRightsOfAboveOneBillionEachTwelveYears, ilmn:GRAILInc


Business
Period End2020-09-20
Value9.0
Percentage of BusinessAcquisitionContingentValueRightsProRataTwoPercentage100.0

ilmn:PaymentRightsOfAboveOneBillionEachTwelveYears, ilmn:GRAILInc.


Business
Period End2020-09-20
Value9.0
Percentage of BusinessAcquisitionContingentValueRightsProRataTwoPercentage100.0

ilmn:BusinessCombinationRequiredInvestmentToBeMadeIfMergerIsTerminated us-gaap:BusinessAcquisition

ilmn:BusinessCombinationRequiredInvestmentToBeMadeIfMergerIsTerminated

ilmn:GRAILInc


Business
Period End2020-09-20
Value300
Percentage of BusinessCombinationRequiredInvestmentToBeMadeIfMergerIsTerminated100.0

ilmn:GRAILInc.


Business
Period End2020-09-20
Value300
Percentage of BusinessCombinationRequiredInvestmentToBeMadeIfMergerIsTerminated100.0

ilmn:ContingentValueRightFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

ilmn:ContingentValueRightFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Contingent
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302018-12-30
Value5345353333262928270.0
Percentage of ContingentValueRightFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

ilmn:ContingentValueRightFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Contingent
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302018-12-30
Value5345353333262928270.0
Percentage of ContingentValueRightFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

ilmn:DebtInstrumentFaceAmountOptionalIncreaseInAdditionalBorrowings us-gaap:DebtInstrument, us-gaap:LongtermDebtType

ilmn:DebtInstrumentFaceAmountOptionalIncreaseInAdditionalBorrowings

ilmn:TheCreditAgreement, us-gaap:UnsecuredDebt


Debt
Period End2021-03-08
Value250
Percentage of DebtInstrumentFaceAmountOptionalIncreaseInAdditionalBorrowings100.0

ilmn:DeferredTaxAssetsOperatingLeaseLiabilities

ilmn:DeferredTaxAssetsOperatingLeaseLiabilities


Deferred
Period End2021-01-032019-12-29
Value156158
Percentage of DeferredTaxAssetsOperatingLeaseLiabilities100.0100.0

ilmn:DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets

ilmn:DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets


Deferred
Period End2021-01-032019-12-29
Value108111
Percentage of DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets100.0100.0

ilmn:LesseeOperatingLeaseArea

ilmn:LesseeOperatingLeaseArea


Lessee
Period End2021-01-03
Value2600000.0
Percentage of LesseeOperatingLeaseArea100.0

ilmn:LesseeOperatingLeaseLeaseNotYetCommencedLiability

ilmn:LesseeOperatingLeaseLeaseNotYetCommencedLiability


Lessee
Period End2021-01-03
Value18
Percentage of LesseeOperatingLeaseLeaseNotYetCommencedLiability100.0

ilmn:RemainingCapitalCommitment us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

ilmn:RemainingCapitalCommitment

ilmn:SecondVentureCapitalInvestmentFund


Remaining
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-29
Value130140140143143160160160
Percentage of RemainingCapitalCommitment100.0100.0100.0100.0100.0100.0100.0100.0

ilmn:VentureCapitalInvestmentFundtheFund


Remaining
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-29
Value2332354044515155
Percentage of RemainingCapitalCommitment17.722.925.028.030.831.931.934.4

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value542520491468389473575516414385393294242219177167
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292018-12-302017-12-312017-01-012016-01-032014-12-28
Value2000000.03000000.04000000.04000000.04000000.01000000.02000000.02000000.03000000.04234000.08213000.05459000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-01-02
Value38884238271923322309244324562225227824122121201515161684138913221191992699752812600572432473508582639487409508529624345380263359271226167201
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-01-02
Value585551073170567169671262778111131120704446523450438526540522373419461666728667574400398529441323331575801771852921838855592
Percentage of AssetsFairValueDisclosure1.51.318.831.330.527.528.332.027.532.452.555.646.426.537.734.036.853.077.369.546.069.980.6153.9154.0131.198.862.781.6129.286.961.053.1166.6210.5292.4237.3339.0370.8512.0293.7

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302018-12-302015-09-272014-12-282012-04-012012-01-012011-01-02
Value5345615969733928270.00.00.00.00.00.0
Percentage of AssetsFairValueDisclosure1.41.12.22.53.03.01.61.31.20.00.00.00.00.00.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-01-02
Value3999433832903122308331873191296529323193323431352220213019121772162915181240127511861020103410991201117611561039885939950852956920118110351211119210641022794
Percentage of AssetsFairValueDisclosure102.9102.4121.0133.9133.5130.5129.9133.3128.7132.4152.5155.6146.4126.5137.7134.0136.8153.0177.3169.5146.0169.9180.6253.9254.0231.1198.8162.7181.6229.2186.9161.0153.1266.6310.5392.4337.3439.0470.8612.0393.7

us-gaap:AssetsNet us-gaap:BusinessAcquisition

us-gaap:AssetsNet

ilmn:GRAILInc


Assets
Period End2020-09-272019-12-29
Value250190
Percentage of AssetsNet100.0100.0

us-gaap:AssetsNet us-gaap:ConsolidatedEntities, us-gaap:Ownership

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, ilmn:GRAILInc.


Assets
Period End2021-01-032019-12-29
Value250190
Percentage of AssetsNet0.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-30
Value1.01518125.05.06.02.01.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-30
Value8.09.02.03.04.04.02.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax53.350.016.760.080.066.7100.00.0

us-gaap:USTreasurySecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302018-12-30
Value1.07.09.010.02.01.02.01.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.046.750.083.340.020.033.3100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-04-02
Value12851314130412251261123610671303233120481172816923923
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value44561059861362763255371610601063423
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis34.646.445.950.049.751.151.855.045.551.945.8

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value10.062502118312621212167
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.84.73.81.71.42.52.41.60.91.07.3

us-gaap:USTreasurySecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value8306426565916165734885661250964433
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis64.648.950.348.248.946.445.743.453.647.146.9

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue


Available
Period End2021-01-032020-09-27
Value1286627
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue


Available
Period End2020-09-27
Value702
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-04-022015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-02
Value128613291322123212661241107313042329204311688139209209198327024414275734533363456249168899851006886902972645
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:USTreasurySecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value8316496656016185744905661250962432
Percentage of AvailableForSaleSecuritiesDebtSecurities64.648.850.348.848.846.345.743.453.747.147.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value44561860761063063655771710581060421
Percentage of AvailableForSaleSecuritiesDebtSecurities34.646.545.949.549.851.251.955.045.451.945.8

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value10.062502118312621212167
Percentage of AvailableForSaleSecuritiesDebtSecurities0.84.73.81.71.42.52.41.60.91.07.3

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value44561860761063063655771710581060421
Percentage of AvailableForSaleSecuritiesDebtSecurities34.646.545.949.549.851.251.955.045.451.945.8

us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value10.062502118312621212167
Percentage of AvailableForSaleSecuritiesDebtSecurities0.84.73.81.71.42.52.41.60.91.07.3

us-gaap:FairValueMeasurementsRecurring, us-gaap:USTreasurySecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value8316496656016185744905661250962432
Percentage of AvailableForSaleSecuritiesDebtSecurities64.648.850.348.848.846.345.743.453.747.147.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value44561860761063063655771710581060421
Percentage of AvailableForSaleSecuritiesDebtSecurities34.646.545.949.549.851.251.955.045.451.945.8

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value10.062502118312621212167
Percentage of AvailableForSaleSecuritiesDebtSecurities0.84.73.81.71.42.52.41.60.91.07.3

us-gaap:USTreasurySecurities


Available
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302017-12-31
Value8316496656016185744905661250962432
Percentage of AvailableForSaleSecuritiesDebtSecurities64.648.850.348.848.846.345.743.453.747.147.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh dei:LegalEntity, us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh

ilmn:PacificBiosciencesofCaliforniaIncPacBio, ilmn:SBNorthstarLP


Business
Period End2021-02-28
Value52
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh us-gaap:BusinessAcquisition

ilmn:SBNorthstarLP


Business
Period End2021-02-28
Value52
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

ilmn:SBNorthstarLP, us-gaap:SubsequentEvent


Business
Period End2021-02-10
Value52
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh0.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-07-042017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value143.04.1395.35.35.3353644
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-07-042017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value143.04.1395.35.35.3353644
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent


Business
Period End2021-07-042017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282013-12-29
Value142.7687.226.5295.8353536363444466.719
Percentage of BusinessCombinationContingentConsiderationLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:MoneyMarketFunds


Cash
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282019-12-292018-12-30
Value379840411512144914681732832
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:MoneyMarketFunds


Cash
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282019-12-292018-12-30
Value379840411512144914681732832
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-31
Value227232230196196203209193201201206181196184181
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConvertibleDebtCurrent

us-gaap:ConvertibleDebtCurrent


Convertible
Period End2021-04-042021-01-032015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-29
Value48851130230730430129884829
Percentage of ConvertibleDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConvertibleDebtNoncurrent

us-gaap:ConvertibleDebtNoncurrent


Convertible
Period End2021-07-042021-04-042021-01-032015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-04-032011-01-02
Value68768067310009939869799720.08398308228138057977897808077657576520.0
Percentage of ConvertibleDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent

us-gaap:ConvertibleDebt


Debt
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value126213213213213213213213213287287287161161161161161161161161161161213213215
Percentage of DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount dei:LegalEntity, us-gaap:BusinessAcquisition, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFaceAmount

ilmn:PacificBiosciencesofCaliforniaIncPacBio, ilmn:SBNorthstarLP, us-gaap:ConvertibleDebt


Debt
Period End2021-02-28
Value900
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:DebtInstrumentFaceAmount dei:LegalEntity, us-gaap:BusinessAcquisition, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

ilmn:PacificBiosciencesofCaliforniaIncPacBio, ilmn:SBNorthstarLP, us-gaap:ConvertibleDebt, us-gaap:SubsequentEvent


Debt
Period End2021-02-10
Value900
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DebtInstrumentFaceAmount us-gaap:BusinessAcquisition

ilmn:GRAILInc.


Debt
Period End2020-09-20
Value1000
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

ilmn:ConvertibleSeniorNotesDue2021, us-gaap:ConvertibleDebt


Debt
Period End2021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-06-29
Value491517517517517517517517517517517517517517517517517517517517517517517517
Percentage of DebtInstrumentFaceAmount0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFairValue

us-gaap:FairValueInputsLevel2, ilmn:TermNotes


Debt
Period End2021-07-04
Value1010
Percentage of DebtInstrumentFairValue100.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:ConvertibleDebt


Debt
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value63738394105116126136147160175190606875839098105112120127134144178
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtLongtermAndShorttermCombinedAmount us-gaap:LongtermDebtType

us-gaap:DebtLongtermAndShorttermCombinedAmount

us-gaap:ConvertibleDebt


Debt
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272014-12-28
Value687116811841173116211511141113111201739172517101090108210751067106010521044103710291022109011101291
Percentage of DebtLongtermAndShorttermCombinedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation

us-gaap:DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent

us-gaap:DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefits


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-28
Value51463333292420
Percentage of DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292018-12-30
Value5553514646384633
Percentage of DeferredCompensationLiabilityCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292018-12-30
Value5553514646384633
Percentage of DeferredCompensationLiabilityCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationPlanAssets us-gaap:DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensation

us-gaap:DeferredCompensationPlanAssets

us-gaap:DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefits


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-28
Value55483435302623
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationPlanAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292018-12-302015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-01-02
Value58555551484048342626232322211717151513131212106.449
Percentage of DeferredCompensationPlanAssets0.00.0100.00.00.00.0100.0100.00.00.099.90.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DeferredCompensationPlanAssets us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292018-12-302015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-01-02
Value58555551484048342626232322211717151513131212106.449
Percentage of DeferredCompensationPlanAssets0.00.0100.00.00.00.0100.0100.00.00.099.90.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-312018-12-302018-09-302018-07-012018-04-012017-12-31
Value201913916488698776708610810088
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-28
Value332282215133108142165
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value36035830024624828626628013411290
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value26212618203547662.5644.98111
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value5345282637272414138.8613.588
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-28
Value70636357434032
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value1720201937525436393323
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value171613121632289.5715.1954.5214.893
Percentage of DeferredTaxAssetsTaxDeferredExpenseOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value21122825234241103472217
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesFinancingArrangements

us-gaap:DeferredTaxLiabilitiesFinancingArrangements


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value203041183747612738493.191
Percentage of DeferredTaxLiabilitiesFinancingArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value2727322653788598201922
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesInvestments

us-gaap:DeferredTaxLiabilitiesInvestments


Deferred
Period End2021-01-032019-12-292018-12-302017-12-31
Value137624540
Percentage of DeferredTaxLiabilitiesInvestments100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value6.05.03.05.00.4820.8251.676.3496.682127.137
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-01
Value3447944417151613104.369
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings


Deferred
Period End2021-01-03
Value5000000.0
Percentage of DeferredTaxLiabilitiesUndistributedForeignEarnings100.0

us-gaap:DerivativeAssets us-gaap:BusinessAcquisition

us-gaap:DerivativeAssets

ilmn:PacificBiosciencesofCaliforniaIncPacBio


Derivative
Period End2021-04-042021-01-032020-09-272020-06-282020-03-292019-12-29
Value404040404010.0
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292018-12-30
Value2626364710.00.0
Percentage of DerivativeAssets65.065.090.0117.5100.00.0

us-gaap:DerivativeAssets us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-01-032020-09-272020-06-282020-03-292019-12-292018-12-30
Value2626364710.00.0
Percentage of DerivativeAssets65.065.090.0117.5100.00.0

us-gaap:DerivativeNotionalAmount us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:DerivativeNotionalAmount

us-gaap:ForeignExchangeForward, us-gaap:CashFlowHedging


Derivative
Period End2021-01-03
Value305
Percentage of DerivativeNotionalAmount100.0

us-gaap:DerivativeNotionalAmount us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:ForeignExchangeForward, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-07-042021-04-042021-01-03
Value396327305
Percentage of DerivativeNotionalAmount0.00.0100.0

us-gaap:ForeignExchangeForward, us-gaap:Nondesignated


Derivative
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292018-12-30
Value533462405315321294252122
Percentage of DerivativeNotionalAmount0.00.0132.80.00.00.00.00.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-02
Value1951521531231641121541121321051931541421251771381389911189112831201079578112958466826856485955494152464349
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2021-07-042021-04-042021-01-032020-09-27
Value554636496367
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


Equity
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292018-12-302017-10-012017-07-022017-04-022017-01-01
Value14413910490795553291415119.7
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount


Equity
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292018-12-30
Value338314314305305220220231
Percentage of EquitySecuritiesWithoutReadilyDeterminableFairValueAmount100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value35432429627323719013696594229
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

ilmn:LicensedTechnology


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value9189837463533931252015
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization25.727.528.027.126.828.028.833.142.346.954.6

us-gaap:CustomerRelationships


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value272727252217127.3762.2141.2530.9
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization7.68.39.19.29.39.29.17.73.72.93.1

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-01
Value22119517216114110977452718
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization62.460.258.159.059.857.656.647.245.943.5

us-gaap:LicensingAgreements


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value1110.09.08.06.2716.2894.5924.9474.1332.6051.677
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization3.13.13.02.92.63.33.45.16.96.15.8

us-gaap:TradeNames


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-01
Value4.03.05.05.03.3983.5212.8296.5910.6720.245
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization1.10.91.71.81.41.92.16.81.10.6

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2021-01-03
Value25
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-01-03
Value28
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2021-01-03
Value21
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2021-01-03
Value21
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-01-03
Value23
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-01-03
Value24
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value496469481448474463451427189149120
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

ilmn:LicensedTechnology


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value9595959595838348463636
Percentage of FiniteLivedIntangibleAssetsGross19.220.319.821.220.018.118.611.324.724.129.9

us-gaap:CustomerRelationships


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value3131323233342626181.980.9
Percentage of FiniteLivedIntangibleAssetsGross6.26.66.77.17.07.45.96.39.91.30.7

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-01
Value3523253313003283243213219974
Percentage of FiniteLivedIntangibleAssetsGross71.069.368.867.069.170.071.275.252.650.2

us-gaap:LicensingAgreements


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value1414141413151518141210
Percentage of FiniteLivedIntangibleAssetsGross2.83.02.93.12.93.33.34.47.88.38.8

us-gaap:TradeNames


Finite
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-01
Value4.04.09.07.04.7795.3794.7119.62.5
Percentage of FiniteLivedIntangibleAssetsGross0.80.91.91.61.01.21.02.85.11.7

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryFinishedGoodsNetOfReserves


Inventory
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282013-12-29
Value23232227272726242563515249465245463637444036343423282626
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves


Inventory
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282013-12-29
Value7989106142147114108123124115117981019593909510110110110296978484727057
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves


Inventory
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282013-12-29
Value2782522442462612432252702712342182242122091881921681621611661681551381141151049470
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-01-03
Value82
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-07-042021-01-032017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-01-02
Value55513331313029282727242424242019191814141313121111118.975.272
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-07-042017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-01-02
Value140.03.04.1395.35.35.335363634444646474957607012125.8618.3756.6383.738
Percentage of LiabilitiesFairValueDisclosure25.50.010.014.218.619.119.5140.4150.2146.8138.3217.3233.5238.3261.7330.8384.1434.5519.3103.7103.752.173.774.070.9

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-07-042021-01-032017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-01-02
Value6951333131333333333259606158646665656472738424241719159.01
Percentage of LiabilitiesFairValueDisclosure125.5100.0100.0100.0100.0110.0114.2118.6119.1119.5240.4250.2246.8238.3317.3333.5338.3361.7430.8484.1534.5619.3203.7203.7152.1173.7174.0170.9

us-gaap:LongTermDebtFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType

us-gaap:LongTermDebtFairValue

us-gaap:FairValueInputsLevel2, us-gaap:ConvertibleDebt


Long
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032014-12-28
Value95116291595144715631361154915171658229822222533142713331305126212001178110712241135122414562021
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-01-03
Value4.5
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:StateAndLocalJurisdiction


Operating
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-01-01
Value120115156136284351295228162
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

us-gaap:DomesticCountry, us-gaap:InternalRevenueServiceIRS


Operating
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-03
Value19293910.014102
Percentage of OperatingLossCarryforwards15.825.225.07.45.129.2

us-gaap:OtherCommitment us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OtherCommitment

ilmn:SecondVentureCapitalInvestmentFund


Other
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-29
Value150160160160160160160160
Percentage of OtherCommitment100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrual

us-gaap:ProductWarrantyAccrual


Product
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-01-012016-01-032015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-302012-09-302012-07-012012-04-012012-01-012011-10-022011-07-032011-01-022010-01-032008-12-28
Value16151310.010.0121414161619171516171316161515141311101110101011111111151616108.203
Percentage of ProductWarrantyAccrual100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligation


Revenue
Period End2021-07-042021-04-042021-01-032020-09-27
Value11391129816735
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligationPercentage

us-gaap:RevenueRemainingPerformanceObligationPercentage


Revenue
Period End2021-07-042021-04-042021-01-032020-09-272020-03-292019-12-292019-09-292019-06-30
Value90.091.090.084.00.730.660.630.67
Percentage of RevenueRemainingPerformanceObligationPercentage100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:PerformanceShares


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-30
Value408000.0384000.0118000.00296000.0271000.0544000.0569000.0621000.0660000.0723000.0694000.0572000.0542000.0438000.0455000.0450000.0460000.0514000.0498000.0562000.0583000.01146000.01158000.01157000.01257000.01240000.01231000.01278000.01101000.01021000.0988000.01005000.0587000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292012-12-302012-01-012011-01-02
Value1586000.01686000.01721000.01684000.01715000.01686000.01700000.01703000.01744000.01793000.01840000.01871000.01910000.01971000.02085000.01993000.02065000.02145000.02293000.01800000.01853000.01937000.02206000.02250000.02335000.02423000.02841000.03139000.03276000.03386000.03628000.03995000.04125000.03476000.03109000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber388.7439.10.01427.10.0569.6627.3313.1306.5288.7278.8258.8275.2344.6384.7455.0453.8476.7498.5350.2372.1344.7378.4196.3201.6209.4226.0253.1266.1264.9329.5391.3702.70.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-07-042021-04-042020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292013-06-302013-03-312012-12-30
Value474.48477.65400.740275.65258.66192.83194.97199.48196.99169.73167.19166.12166.15155.95156.0155.72158.66169.81170.54170.72169.4197.2497.997.7796.2169.7268.9168.2454.6451.0250.0849.9249.64
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-272015-06-282015-03-292014-12-282014-09-282014-06-292014-03-302013-12-292013-09-292012-12-302012-01-012011-01-02
Value322.49319.77313.35278.68276.43274.46271.49232.31231.06229.18227.0178.07176.56174.23172.92147.41146.35144.69141.8143.46141.46139.58131.8101.9899.696.1892.3569.667.8566.2159.6648.846.4341.8740.39
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue68.066.90.069.50.099.6105.0120.5118.5114.9115.2104.9105.6104.9104.194.593.892.989.484.582.981.877.8104.9101.798.496.099.898.597.0109.295.693.50.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

us-gaap:EmployeeStock, ilmn:A2000EmployeeStockPurchasePlan


Share
Period End2021-01-03
Value15
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:EmployeeStock, ilmn:A2000EmployeeStockPurchasePlan


Share
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-01-032014-12-28
Value13131313131313131313131313131414141414141414
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:PlanName

ilmn:A2015StockAndIncentiveCompensationPlanAnd2005SolexaEquityPlan


Share
Period End2021-07-042021-04-042021-01-032020-09-272020-06-282020-03-292019-12-292019-09-292019-06-302019-03-312018-12-302018-09-302018-07-012018-04-012017-12-312017-10-012017-07-022017-04-022017-01-012016-10-022016-07-032016-04-032016-01-032015-09-27
Value3.53.53.54.14.14.14.34.94.94.84.75.55.55.55.36.36.26.26.27.57.67.57.48.3
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant26.726.726.330.830.630.631.936.336.035.334.340.139.639.637.945.044.044.043.452.40.00.051.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber


Share
Period End2021-07-042021-04-042021-01-032020-09-27
Value9000.09000.010000.010000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2021-07-042021-04-042021-01-032020-09-27
Value63.4560.2159.1159.11
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2021-01-03
Value3000000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding

us-gaap:RestrictedStockUnitsRSU


Sharebased
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-01
Value637565549456293423534400200105
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1


Sharebased
Period End2021-01-03
Value3000000.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 us-gaap:StatementClassOfStock

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:CommonStock


Stock
Period End2021-07-042021-01-032020-09-27
Value1515295
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0100.0100.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:IncomeTaxAuthority

us-gaap:TaxCreditCarryforwardAmount

us-gaap:StateAndLocalJurisdiction


Tax
Period End2021-01-032019-12-292018-12-302017-01-012016-01-032014-12-282013-12-292012-01-01
Value1151061039078635134
Percentage of TaxCreditCarryforwardAmount100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

us-gaap:DomesticCountry, us-gaap:InternalRevenueServiceIRS


Tax
Period End2021-01-032019-12-292018-12-302017-01-012016-01-03
Value1.01.01.04449
Percentage of TaxCreditCarryforwardAmount0.90.91.049.063.5

us-gaap:TaxCreditCarryforwardValuationAllowance

us-gaap:TaxCreditCarryforwardValuationAllowance


Tax
Period End2021-01-03
Value62
Percentage of TaxCreditCarryforwardValuationAllowance100.0

us-gaap:TreasuryStockShares

us-gaap:TreasuryStockShares


Treasury
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-022010-01-03
Value494745444240374746442424
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UndistributedEarningsOfForeignSubsidiaries


Undistributed
Period End2021-01-032019-12-292018-12-302017-12-31
Value11598899731100
Percentage of UndistributedEarningsOfForeignSubsidiaries100.0100.0100.0100.0

us-gaap:UndistributedEarningsOfForeignSubsidiaries us-gaap:TaxPeriod

us-gaap:TaxYear2017


Undistributed
Period End2021-01-032019-12-292018-12-302017-12-31
Value16433163869
Percentage of UndistributedEarningsOfForeignSubsidiaries14.237.26.579.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-01
Value6.07.0118.05.74.54.43.52.11.2
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2021-01-032019-12-292018-12-302017-12-312017-01-012016-01-032014-12-282013-12-292012-12-302012-01-012011-01-02
Value6868787054474240292318
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:SharesIssued
us-gaap:StatementEquityComponents
(None,)
Shares Issuedus-gaap: Statement Equity Components
COGS Ratio
us-gaap:ProductOrService
(None,)
C O G S  Ratious-gaap: Product Or Service
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)
Allocated Share Based Compensation Expenseus-gaap: Income Statement Location
us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService
(None,)
Cost Of Goods And Services Soldus-gaap: Product Or Service
us-gaap:InterestExpenseDebt
us-gaap:LongtermDebtType
(None,)
Interest Expense Debtus-gaap: Longterm Debt Type
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementGeographical
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Statement Geographical
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementBusinessSegments
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Statement Business Segments
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:PropertyPlantAndEquipmentNet
us-gaap:StatementGeographical
(None,)
Property Plant And Equipment Netus-gaap: Statement Geographical
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components