GT


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

Table of contents


us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:CommonStockSharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CostOfGoodsAndServicesSold
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:BusinessAcquisition
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:InterestExpense
us-gaap:ConsolidationItems

us-gaap:NetIncomeLoss
us-gaap:BusinessAcquisition
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense
us-gaap:ConsolidationItems
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical
us-gaap:StatementEquityComponents

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

us-gaap:SellingGeneralAndAdministrativeExpense

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

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:StatementBusinessSegments

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:Land
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:MachineryAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:ConstructionInProgressGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical
us-gaap:StatementGeographical, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:DebtCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:LongTermDebt
us-gaap:LongtermDebtType

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType

us-gaap:MinorityInterest

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:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:BusinessAcquisition
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:PaymentsOfDividendsCommonStock
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateStatedPercentage

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

us-gaap:DeferredTaxAssetsNet
us-gaap:IncomeTaxAuthority

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:IncomeTaxAuthority
us-gaap:StatementGeographical, us-gaap:IncomeTaxAuthority

us-gaap:ProceedsFromSaleOfShortTermInvestments

gt:AdjustmentsRelatedToAccruedFreightCharges

gt:BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsBeforeNetOfTax
us-gaap:AwardType, us-gaap:BusinessAcquisition
gt:BusinessCombinationStockAcquired
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:StatementEquityComponents
us-gaap:BusinessAcquisition
gt:BusinessCombinationStockAcquiredNetOfSettlement

gt:CARESActOf2020RefundableAlternativeMinimumTaxCreditCarryforwards

gt:ChargesRelatedToFinancingFeesAndFinancialInstruments

gt:ContractwithCustomerLiabilityRevenueDeferredDuringPeriod

gt:CorporateIncentiveCompensationPlans
us-gaap:IncomeStatementLocation
gt:DefinedBenefitPlanCreditForCurtailmentsAndSettlements
us-gaap:IncomeStatementLocation, us-gaap:RestructuringPlan

gt:DefinedBenefitPlanCurtailmentsAndSettlements
us-gaap:RetirementPlanSponsorLocation
gt:DefinedBenefitPlanNetPeriodicBenefitCostBeforeCurtailmentsSettlementsandTerminationBenefits

gt:DefinedBenefitPlanNonServiceCost
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
gt:DefinedBenefitPlanPensionSettlementAndTerminationBenefits

gt:EffectiveIncomeTaxRateReconciliationDiscreteAdjustmentsOtherAmount
us-gaap:Ownership, us-gaap:TypeOfArrangement
gt:EntitledToReceiveCashPerShare

gt:ExpenseRelatedToValuationOfInventory
us-gaap:Ownership, us-gaap:TypeOfArrangement
gt:FixedExchangeRatioOfShare
us-gaap:ConsolidationItems
gt:GainLossOnDispositionOfAssetsAndDeconsolidation
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

gt:GeneralAndProductLiabilityDiscontinuedProductsGainsLosses

gt:GoodwillAndOtherAssetImpairments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

gt:InterestIncomeTaxSettlement
us-gaap:BusinessAcquisition, us-gaap:FairValueByAssetClass
gt:InventoryStepUpToEstimatedFairValue

gt:MiscellaneousOtherIncomeExpense

gt:NetForeignCurrencyExchangeGainsLossesIncludeExpenseRelatedToOutOfPeriodAdjustments

gt:NonCashFinancingAdditions
us-gaap:ConsolidationItems
gt:OtherExpense
us-gaap:BusinessAcquisition
gt:PaymentsToAcquireBusinessesCashPaidForStockAcquired

gt:PensionContributionsAndDirectPayments
us-gaap:BusinessAcquisition, us-gaap:FairValueByAssetClass
gt:PropertyPlantAndEquipmentStepUpEstimatedFairValue
us-gaap:BusinessAcquisition
gt:RestrictedCashAcquiredFromAcquisition
us-gaap:RestructuringCostAndReserve
gt:RestructuringAndRelatedCostIncreaseInEstimatedPlanCost
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringPlan

gt:RestructuringChargesExcludingReversalsAndPensionGains
us-gaap:RestructuringCostAndReserve

gt:RestructuringReserveSettledWithCashAndNonCashConsiderations
us-gaap:RestructuringCostAndReserve
us-gaap:ConsolidationItems
gt:RetainedExpensesOfDivestedOperations

gt:SegmentAssetWriteOffsAndAcceleratedDepreciation
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments

gt:WriteOffOfPreviouslyCapitalizedBridgeFacilityFees

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

us-gaap:BusinessAcquisitionsProFormaRevenue
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentInventory

us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed
us-gaap:IncomeStatementLocation
us-gaap:IncomeStatementLocation
us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsExpensesAndLossesRecognized
us-gaap:BusinessAcquisition
us-gaap:CashAcquiredFromAcquisition

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRedemptionPricePercentage
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments
us-gaap:IncomeStatementLocation, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DefinedContributionPlanCostRecognized

us-gaap:DividendsCash
us-gaap:StatementEquityComponents

us-gaap:DividendsShareBasedCompensationCash

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
us-gaap:BusinessAcquisition
us-gaap:EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation
us-gaap:StatementBusinessSegments

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:StatementBusinessSegments

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:GainLossOnDispositionOfAssets1
us-gaap:HedgingDesignation
us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:IncomeLossAttributableToParent
us-gaap:StatementGeographical
us-gaap:IncomeTaxReconciliationChangeInEnactedTaxRate

us-gaap:IncomeTaxReconciliationOtherAdjustments

us-gaap:IncreaseDecreaseInAccountsPayableTrade

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestIncomeOther
us-gaap:IncomeStatementLocation, us-gaap:ShortTermDebtType
us-gaap:LineOfCreditFacilityCommitmentFeeAmount
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyAccrualPayments
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyAccrualProvision

us-gaap:MinorityInterestPeriodIncreaseDecrease

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
us-gaap:StatementEquityComponents
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherPostretirementBenefitExpense

us-gaap:PaymentsForProceedsFromLoansReceivable

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForRestructuring
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireShortTermInvestments
us-gaap:RetirementPlanSponsorLocation
us-gaap:PensionContributions
us-gaap:BusinessAcquisition
us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromShortTermDebt

us-gaap:ProvisionForLoanLossesExpensed
us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:RepaymentsOfShortTermDebt

us-gaap:RestructuringCharges

us-gaap:RestructuringReserveAcceleratedDepreciation
us-gaap:RestructuringCostAndReserve
us-gaap:RestructuringReserveTranslationAdjustment

us-gaap:RoyaltyIncomeNonoperating
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
us-gaap:BusinessAcquisition
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:BusinessAcquisition
us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued
us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:StockIssuedDuringPeriodValueAcquisitions

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued
us-gaap:StatementEquityComponents
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
gt:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanDeferredIncomeTax
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
gt:AccumulatedOtherComprehensiveIncomeLossMinorityShareholdersEquityNetOfTax
us-gaap:BusinessAcquisition
gt:AcquisitionExchangeRatio
us-gaap:LossContingenciesByNatureOfContingency
gt:AggregateLimitsOfExcessInsurancePolicies
us-gaap:LossContingenciesByNatureOfContingency
gt:AsbestosClaimsSettledAndDismissedToDate
us-gaap:BusinessAcquisition
gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesCurrentAndNonCurrentCompensationAndBenefits
us-gaap:BusinessAcquisition
gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesCurrentAndNonCurrentDebtFinanceLeasesAndNotesPayableAndOverdrafts
us-gaap:BusinessAcquisition
gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedMinorityEquity
us-gaap:BusinessAcquisition
gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentAssets
us-gaap:BusinessAcquisition
gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentLiabilities
us-gaap:StatementBusinessSegments
gt:CashAndCashEquivalentsAsPercentOfTotal
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
gt:DebtInstrumentNotesSoldPercentageOfPrincipleAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
gt:DebtInstrumentNotesSoldPercentageofPrincipleAmount

gt:DeferredTaxAssetOperatingLeaseLiability

gt:DeferredTaxAssetPrepaidRoyaltyIncome
us-gaap:IncomeTaxAuthority
gt:DeferredTaxAssetsNetLimitedLives
us-gaap:IncomeTaxAuthority
gt:DeferredTaxAssetsNetUnlimitedLives

gt:DeferredTaxAssetsOperatingLossCapitalLossandTaxCreditCarryforwardsForeign
us-gaap:IncomeTaxAuthority
gt:DeferredTaxAssetsOperatingLossCapitalLossandTaxCreditCarryforwardsSubjecttoExpiration

gt:DeferredTaxAssetsTaxDeferredExpenseCapitalizedExpenditures

gt:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountedCashFlowsUsingWeightedAverageDiscountRate

gt:FinanceLeasePropertyPlantandEquipment

gt:FinanceLeasePropertyPlantandEquipmentAccumulatedDepreciation

gt:FiniteLivedAndIndefiniteLivedIntangibleAssetsAccumulatedAmortization

gt:FiniteLivedAndIndefiniteLivedIntangibleAssetsGross

gt:IntangibleAssetsWithIndefiniteLivesGross

gt:IntangibleAssetsWithIndefiniteLivesNet

gt:LesseeOperatingAndFinanceLeaseNotYetCommencedAssumptionAndJudgmentValueOfUnderlyingAssetAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
gt:LineOfCreditFacilityBorrowingBaseAmountBelowStatedAmount

gt:LineOfCreditFacilityMaximumBorrowingCapacityInputsIncreaseBasedOnValueOfCertainCash
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
gt:LineofCreditFacilityAdditionalBorrowingCapacity
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
gt:LongTermDebtBeforeDeferredFinanceCosts
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:ShortTermDebtType

gt:MaximumCashInvestmentsWithSingleCounterparty
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
gt:MaximumRequiredLeverageRatioToGetFurtherReductionInSpread
us-gaap:BusinessAcquisition
gt:NumberOfSharesSettledInCash
us-gaap:CreditFacility, us-gaap:DebtInstrument
gt:OffBalanceSheetAccountsReceivableSecuritization

gt:OffBalanceSheetFinancialGuaranteesWrittenAndOtherCommitments
us-gaap:RetirementPlanSponsorLocation
gt:OtherPostRetirementPlanNetUnfundedStatus

gt:PropertyPlantAndEquipmentNetBeforeSpareParts
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:AwardDate
gt:ShareBasedCompensationOptionsExercisePrice
us-gaap:LossContingenciesByNatureOfContingency
gt:SumOfAccruedAsbestosRelatedLiabilityAndGrossPaymentsIncludingLegalCostsToDate

gt:UnsettledUnrecognizedTaxBenefitsThatWouldRequireCash

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccruedEnvironmentalLossContingenciesCurrent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
us-gaap:RetirementPlanType

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:BuildingsAndImprovementsGross
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation
us-gaap:BusinessAcquisitionPreacquisitionContingencyAmountOfSettlement
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionSharePrice
us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:BalanceSheetLocation
us-gaap:BusinessCombinationIndemnificationAssetsAmountAsOfAcquisitionDate
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

us-gaap:CommonStockValueOutstanding

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:DebtInstrumentCarryingAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:ShortTermDebtType
us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount

us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:LongtermDebtType
us-gaap:ShortTermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtWeightedAverageInterestRate
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:ShortTermDebtType
us-gaap:LongtermDebtType
us-gaap:VariableRate

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredTaxAssetsGross
us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOtherTaxCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign
us-gaap:IncomeTaxAuthority
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings

us-gaap:DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanType
us-gaap:Range, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear
us-gaap:RetirementPlanSponsorLocation
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
us-gaap:RetirementPlanSponsorLocation
us-gaap:HedgingDesignation
us-gaap:DerivativeNotionalAmount

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:BalanceSheetLocation
us-gaap:EquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:StatementBusinessSegments

us-gaap:FinancingReceivableModificationsRecordedInvestment
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedTrademarksGross
us-gaap:BalanceSheetLocation
us-gaap:ForeignCurrencyCashFlowHedgeLiabilityAtFairValue

us-gaap:ForeignCurrencyContractAssetFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:ForeignCurrencyContractsLiabilityFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:BalanceSheetLocation
us-gaap:ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
us-gaap:BalanceSheetLocation
us-gaap:ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:GuaranteeObligationsMaximumExposure
us-gaap:BusinessAcquisition
us-gaap:IntangibleAssetsGrossExcludingGoodwill
us-gaap:BusinessAcquisition
us-gaap:InventoryAdjustments

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InvestmentsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LesseeFinanceLeaseDiscountRate

us-gaap:LesseeOperatingLeaseDiscountRate

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCredit
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:LongtermDebtType
us-gaap:ShortTermDebtType
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:BalanceSheetLocation
us-gaap:LoansAndLeasesReceivableGrossCarryingAmount
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical, us-gaap:BalanceSheetLocation

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:ShortTermDebtType
us-gaap:DebtInstrument, us-gaap:ShortTermDebtType
us-gaap:LongtermDebtType
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:LongTermDebtFairValue
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:StatementGeographical

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:StatementGeographical

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:StatementGeographical

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:StatementGeographical

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:StatementGeographical

us-gaap:LongTermDebtPercentageBearingVariableInterestRate
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyEstimateOfPossibleLoss

us-gaap:LossContingencyRangeOfPossibleLossPortionNotAccrued
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyReceivable
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyReceivableCurrent

us-gaap:NotesPayable
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
us-gaap:RetirementPlanType
us-gaap:BalanceSheetLocation, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:ProductLiabilityContingencyAccrualPresentValue
us-gaap:LossContingenciesByNatureOfContingency

us-gaap:ProductWarrantyAccrual

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentOtherNet
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:BalanceSheetLocation
us-gaap:RestrictedCash

us-gaap:RestrictedCashAndCashEquivalents
us-gaap:BusinessAcquisition

us-gaap:RestructuringAndRelatedCostCostIncurredToDate1

us-gaap:RestructuringAndRelatedCostExpectedCostRemaining1

us-gaap:RestructuringReserve
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:RestructuringCostAndReserve
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

us-gaap:SeniorNotes
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardDate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:ShortTermBorrowings
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:ShortTermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:ShortTermDebtType
us-gaap:DebtInstrument, us-gaap:ShortTermDebtType
us-gaap:LongtermDebtType
us-gaap:ShortTermDebtType
us-gaap:ShortTermDebtType
us-gaap:ShortTermDebtWeightedAverageInterestRate
us-gaap:IncomeTaxAuthority
us-gaap:TaxCreditCarryforwardValuationAllowance
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:UnamortizedDebtIssuanceExpense
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:WorkersCompensationLiabilityCurrent

us-gaap:WorkersCompensationLiabilityCurrentAndNoncurrent

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Other Nonoperating Income Expense
Balance Sheet
Goodwill
Assets
Operating Lease Right Of Use Asset
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Goodwill
Liabilities
Operating Lease Liability
Current Liabilities
Contract With Customer Liability Current
Noncurrent Liabilities
Deferred Income Tax Liabilities Net
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Amortization Of Financing Costs And Discounts
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Proceeds From Payments For Other Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
InventoryNet
Inventory Work In Process Net Of Reserves
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:CommonStockSharesIssued us-gaap:RelatedPartyTransactionsByRelatedParty gt:CooperTireStockholdersNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁247.0238.0NA234.0234.0234.0NA234.0234.0232.0NA238.0241.0244.0NA254.0256.0256.0NA266.0268.0271.0NA274.0274.0274.0NA279.0281.0248.0NA278.0282.0248.0NA281.0281.0244.0NA281.0247.0246.0NA242.0244.0242.0
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁244.0235.0NA234.0234.0234.0NA233.0233.0232.0NA236.0239.0240.0NA250.0252.0252.0NA262.0264.0267.0NA269.0270.0270.0NA275.0276.0248.0NA246.0246.0245.0NA245.0245.0244.0NA244.0244.0243.0NA242.0242.0242.0
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities gt:UnderwaterStockOptions▄▄2.02.0NA9.09.09.0NA3.02.02.0NA2.02.01.0NA1.01.01.0NA0.01.0NANANANA2.0NA3.01.02.0NA4.05.07.0NA11.011.011.0NA9.06.09.0NA12.012.0NA
us-gaap:EarningsPerShareBasic ▃▃▃▃▁▁▂▃▃▃▃▄▃▃▃▃▃▃▄▄▃▃▂▄▃▃█▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃0.270.050.27000000000000046-0.01-2.97-2.65-1.68000000000000020.380.23-0.260.469999999999999751.490.660.31-0.37000000000000010.520.580.662.14999999999999951.210.760.69-1.411.010.710.837.9500000000000010.580.77-0.230.92999999999999990.670.740.10.00.450.35-0.050.070000000000000060.660.160.42-0.73-0.080.11-0.19
us-gaap:EarningsPerShareDiluted ▃▃▃▃▁▁▂▃▃▃▃▄▃▃▃▃▃▃▄▄▃▃▂▄▃▄█▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃0.270.050.27000000000000046-0.01-2.97-2.65-1.68000000000000020.380.23-0.260.47000000000000021.480.650.31-0.35999999999999990.50.580.652.121.190.750.68-1.38999999999999970.990.70.827.6299999999999990.580.76-0.230.84999999999999990.620.670.10.0100000000000000090.410.33-0.050.070000000000000060.60.160.42-0.73-0.080.11-0.19
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 EBT Margin us-gaap:BusinessAcquisition gt:CooperTireNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AllocatedShareBasedCompensationExpense ▆▄▆▆▆▅▆▆▆▄▄▅▄▃▄▄▅▅▄▆▄▆▄▄▅▄▅▃▄▆▃▆▅▃▄▄▄▂▆▁▅▅█▆▄7.04.08.09.08.06.09.07.08.03.05.06.03.02.05.05.06.06.05.07.04.07.04.05.06.04.06.02.05.07.02.08.06.02.05.05.04.01.08.0-2.06.06.012.07.04.0NA
us-gaap:ComprehensiveIncomeNetOfTax ▄▃▄▃▁▁▂▃▃▃▃▄▃▄▃▄▄▄▄▄▄▄▃▄▄▄█▃▄▃▅▄▄▄▁▄▃▃▁▃▄▄▃▄▃▃156.015.0210.018.0-685.0-796.0-455.017.066.01.0117.0290.02.0184.0-57.0166.0198.0261.0320.0322.0190.0244.0-85.0204.0223.0193.01905.072.0266.014.0651.0241.0181.0169.0-850.0284.084.0120.0-710.028.0149.0192.0-192.0206.0-73.0-26.0
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▄▄▄▄▄▄▄▄▄▅▄▄▄▄▄▄▅▄▄▄▄▅▄▅▆▂▃▄▅▅▆▆▄▃▁▆▃▆▃▃▅▇▄█▂▄3.0-1.08.03.0-7.0-7.0-6.0-1.05.017.06.0-6.0-11.07.08.04.014.09.0-8.03.01.012.06.015.035.0-50.0-18.0-13.022.029.050.041.02.0-15.0-72.036.0-24.040.0-23.0-19.020.059.03.092.0-55.0-11.0
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▄▃▄▃▂▁▂▃▃▃▄▄▃▄▃▄▄▄▄▄▄▄▃▄▄▄█▃▄▃▅▄▄▄▁▄▃▄▁▃▄▄▃▄▃▃159.014.0218.021.0-692.0-803.0-461.016.071.018.0123.0284.0-9.0191.0-49.0170.0212.0270.0312.0325.0191.0256.0-79.0219.0258.0143.01887.059.0288.043.0701.0282.0183.0154.0-922.0320.060.0160.0-770.09.0169.0251.0-208.0298.0-128.0-37.0
us-gaap:CostOfGoodsAndServicesSold █▅▆▆▁▄▇▇▆▆▇█▇▇██▆3078.02751.02794.02775.02216.02552.02903.02965.02855.02879.03008.03028.02949.02976.03081.03054.02785.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▆▆▆▅▁▄▅▆▆▅▆█▆▆▇▆▆▇▇▇▇▇▃█▇▇▆▇▇▅▇▇▇▆▆▆▆▆▅▇▆▆▅▆▆98.033.0127.0-10.0-889.0-368.012.0121.082.0-38.0202.0513.0183.0113.0287.0162.0190.0239.0329.0310.0301.0267.0-510.0431.0328.0359.0126.0299.0292.0-30.0258.0249.0256.050.032.0186.0166.056.07.0305.0120.0186.0-145.042.082.0NA
us-gaap:IncomeTaxExpenseBenefit ▇▇▇▇▆██▇▇▇▇▇▇▇█▇▇▇▆▇▇▇▆▇▇▇▁▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇27.015.060.0-13.0-186.0249.0411.031.026.06.092.0159.019.033.0377.030.036.070.0-238.0-10.093.078.0-137.0126.0120.0123.0-2002.0100.060.08.02.054.063.019.039.053.063.048.0-19.094.064.062.021.055.043.053.0
us-gaap:InterestExpense ▅▂▂▄▃▁▂▄▄▃▃▃▂▂▁▃▄▃▃▄▆▄▆▆▇▆█▇▆▇▇▆▆▃▃▃▃▆▄▃▂▁▁▄▂▁97.079.078.088.085.073.079.088.088.085.085.082.078.076.075.084.089.087.087.090.0104.091.0101.0102.0106.0103.0113.0108.0102.0105.0105.0100.0102.085.087.086.083.0101.089.086.081.074.075.090.077.074.0
us-gaap:NetIncomeLoss ▃▃▃▃▁▁▂▃▃▃▃▄▃▃▂▃▃▃▄▄▃▃▂▃▃▃█▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃67.012.063.0-2.0-696.0-619.0-392.088.054.0-61.0110.0351.0157.075.0-96.0129.0147.0166.0561.0317.0202.0184.0-380.0271.0192.0224.02129.0161.0213.0-51.0235.0173.0188.033.07.0117.092.0-4.025.0168.047.0103.0-177.0-20.028.0-47.0
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▁█4.06.0NA5.0-7.02.0-7.02.02.017.00.03.07.05.06.03.07.03.06.03.06.05.07.034.016.012.0-1.038.019.013.021.022.05.0-2.0-14.016.011.012.01.043.09.021.011.07.011.023.0
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▆▆▆▆▅▅▅▆▆▆▅▅▆▆▆▆▆▄▆▆▆▇▅▆▅▄▅▆▆█▆▆▆▁▇▅▆▂▅88.0-4.0151.018.011.0-186.0-62.0-74.015.062.013.0-70.0-173.0111.041.038.058.0101.0-255.05.0-17.067.0294.0-86.050.0-93.0-241.0-140.056.081.0445.087.0-10.0123.0-915.0187.0-43.0152.0-796.0-202.0NANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▃▃▃▃▃▃▃▃▄▃▄█▃▃▄▄▄▄▄▄▃▄▄▄▄▆▃▃▄▁▄▄▄▂▄▄▃▂▃▄▃▄▄▃▄▂-30.0-34.0-26.0-32.0-34.0-27.0-24.0-35.0-17.0-22.03.0253.0-45.0-37.01.0-4.0-5.00.013.023.0-20.0-6.02.02.0-17.0128.0-60.0-66.0-8.0-168.015.00.014.0-126.0-11.01.0-37.0-92.0-25.04.0-48.0-4.0-13.0-62.0-7.0-104.0
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems us-gaap:MaterialReconcilingItems▁▁▁▁▁▁▁▁▂▂▂█▁▁▂▂▂▂▂▃▂▂▂▂▂▅-30.0-34.0-26.0-32.0-34.0-27.0-24.0-35.0-17.0-22.03.0253.0-45.0-37.01.0-4.0-5.00.013.023.0-20.0-6.0-9.05.0-13.0132.0NANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,gt:AccumulatedDefinedBenefitPlansAdjustmentImmediateRecognitionofPriorServiceandGainLossAttributabletoParentDuetoDivestitures-19.0NA-46.018.01.0-2.0-6.00.00.00.0-8.0-11.0-6.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustment▆▆▁███▆▆▆▆▆▆█▆▆▆█-34.0-36.0-252.036.036.036.0-35.0-34.0-34.0-34.0-36.0-34.034.0-35.0-29.0-28.030.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▃▃▃▃▁▁▂▃▃▃▃▄▃▃▃▃▃▃▄▄▃▃▂▃▃▃█▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃71.018.067.03.0-703.0-617.0-399.090.056.0-44.0110.0354.0164.080.0-90.0132.0154.0169.0567.0320.0208.0189.0-373.0305.0208.0236.02128.0199.0232.0-38.0256.0195.0193.031.0-7.0133.0103.08.026.0211.056.0124.0-166.0-13.039.0-24.0
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▄▃▄▃▁▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▅▅▄▅▅▅▅▆▆▆▆▆▇▆▇▇█▇▇▆▆▅▅3979.03511.03656.03465.02144.03056.03713.03802.03632.03598.03876.03928.03841.03830.04071.03921.03686.03699.03741.03847.03879.03691.04063.04184.04172.04024.04356.04657.04656.04469.04791.05002.04894.04853.05045.05264.05150.05533.05683.06062.05620.05402.05072.04962.04528.04270.0
 us-gaap:Revenues us-gaap:BusinessAcquisition gt:CooperTireNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:SellingGeneralAndAdministrativeExpense ▆▄▅▃▁▄▅▄▄▃▄▃▄▄▄▃▄▄▄▄▄▅▇▅▆▅▇▆▇▆█▆▇▅▇▆▇▆▇▆█▆▇▅▆▅658.0564.0605.0555.0451.0581.0618.0572.0586.0547.0580.0553.0588.0591.0584.0556.0583.0579.0600.0599.0593.0615.0725.0633.0648.0608.0702.0653.0698.0667.0736.0686.0691.0645.0707.0652.0697.0662.0724.0677.0753.0668.0715.0640.0670.0605.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets █▂▂▂▁▂▃▄▅▄▃▃▃▃▃▄▄▃▂▃▃▂▂▃▃▃▄▂▃▃▃▄▃▃▃▄▃▄▄▄▄▃▁21180.016569.016506.016192.015827.016691.017185.018299.018470.018273.016872.017591.017355.017580.017064.017852.017646.017194.016511.017143.016860.016777.016439.017515.017516.017336.018109.016656.016942.017092.017527.017672.017384.017458.016973.017939.017601.017990.017629.018129.017642.017256.015630.0NANANA
us-gaap:Liabilities █▃▃▃▂▃▂▃▃▃▁▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂▄▄▄▅▆▇▇▇▇▇▇▇▇▇▆▆▄16769.013283.013247.013153.012814.012994.012640.013264.013421.013242.011802.012591.012511.012618.012214.012731.012501.012234.011786.012439.012452.012445.012297.012563.012751.012778.013682.013958.014260.014655.015082.015929.015906.016156.015814.015813.015789.016213.016005.015728.015245.015012.014125.0NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▂▂▂▁▂▃▄▅▄▃▃▃▃▃▄▄▃▂▃▃▂▂▃▃▃▄▂▃▃▃▄▃▃▃▄▃▄▄▄▄▃▁21180.016569.016506.016192.015827.016691.017185.018299.018470.018273.016872.017591.017355.017580.017064.017852.017646.017194.016511.017143.016860.016777.016439.017515.017516.017336.018109.016656.016942.017092.017527.017672.017384.017458.016973.017939.017601.017990.017629.018129.017642.017256.015630.0NANANA
us-gaap:StockholdersEquity ▇▅▅▅▅▆▇███████████▇▇▇▇▆▇▇▆▆▃▃▃▃▂▂▁▁▂▂▂▂▃▃▂▁4212.03106.03078.02860.02833.03510.04351.04835.04847.04808.04864.04800.04637.04737.04603.04882.04909.04733.04507.04477.04182.04104.03920.04143.03970.03792.03610.01862.01825.01593.01606.0952.0715.0536.0370.01230.0947.0863.0749.01499.01475.01327.0644.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▄▂▁▁▁▂▂▃▃▂▂▃▃▂▂▃▃▂▁▃▂▂▂▄▄▄▄▅▅▅▅▆▆▆▅▇▇▇▇█▇▇▅7519.05948.05620.05695.05413.06173.05934.06861.06781.06492.05925.06753.06569.06488.06079.06727.06632.06325.05718.06571.06468.06375.06141.07922.07695.07434.07724.08047.08038.08206.08644.09069.08969.09042.08498.09805.09649.09988.09812.010512.09776.09492.08045.0NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▂▂▃▂▂▂▁▁▁▁▁▁▂▁▂▁▁▂▂▂▂▂▃▄▄▄▅▄▄▄█▆▇▆▆▆▅▅▇▅▄▆▅▄▄▄1030.01223.01539.01057.01006.0971.0908.0868.0917.0860.0801.0896.0975.0837.01043.0822.0903.0961.01132.0975.01138.01079.01476.01690.01638.01613.02161.01744.01637.01853.02996.02500.02564.02386.02281.02257.02156.02083.02772.02126.01804.02215.02005.01665.01683.01774.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▃▅█▃▃▃▂▂▂▁▁▂▃▁▃▁▂▃▄▂▄1134.01272.01624.01129.01038.01036.0974.0926.0980.0910.0873.0962.01050.0888.01110.0868.0969.01051.01189.01000.01153.0NA1502.0NANANA2181.0NANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▄▂▁▃▁▂▂▄▃▃▂▄▃▃▂▄▃▃▁▄▃▃▂▄▃▄▂▅▄▅▃▆▅▅▄▇▅▇▄█▇▇▄2819.02159.01691.02251.01727.02025.01941.02748.02473.02446.02030.02670.02388.02509.02025.02672.02309.02270.01769.02649.02475.02482.02033.02616.02476.02523.02126.03021.02841.02913.02435.03254.02880.03021.02563.03555.03174.03530.02849.04008.03539.03550.02736.0NANANA
us-gaap:InventoryNet ▅▂▁▁▂▄▄▄▄▄▄▄▄▄▃▄▅▄▃▃▃▃▂▂▂▂▃▄▅▄▃▄▅▅▅▆██▇██▅▄3314.02359.02153.02152.02474.02919.02851.02965.03091.02940.02856.02938.02941.02895.02787.02991.03184.02845.02627.02754.02686.02636.02464.02544.02545.02538.02671.02924.03130.03021.02816.02944.03138.03168.03250.03596.03940.03969.03856.04037.04032.03337.02977.0NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▅▂▃▃▂▃▃▄▄▃▃▃▃▃▂▃▃▃▂▂▁▁▁▃▃▂▂▅▇▇▆▆▆█▇▆▆▇▅▅▆356.0207.0237.0235.0206.0258.0234.0280.0300.0246.0238.0249.0265.0247.0224.0242.0236.0249.0190.0193.0169.0178.0168.0255.0239.0192.0196.0358.0430.0419.0397.0371.0387.0467.0404.0397.0379.0406.0335.0341.0401.0NA327.0NANANA
us-gaap:Land NANA437.0NANANA426.0NANANA427.0NANANA433.0NANANA397.0NANANA387.0NANANA413.0NANANA434.0NANANA416.0NANANA412.0NANANA403.0NANANA
 us-gaap:Land us-gaap:PropertyPlantAndEquipmentByType gt:OwnedNANA436.0NANANA425.0NANANA427.0NANANA433.0NANANA397.0NANANA387.0NANANA413.0NANANA433.0NANANA415.0NANANANANANANANANANANA
us-gaap:MachineryAndEquipmentGross NANA13922.0NANANA13654.0NANANA13483.0NANANA13449.0NANANA12278.0NANANA11787.0NANANA12392.0NANANA12517.0NANANA12082.0NANANA11578.0NANANA11602.0NANANA
 us-gaap:MachineryAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType gt:AssetsHeldunderFinanceLeasesNANA29.0NANANA30.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:MachineryAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType gt:OwnedNANA13893.0NANANA13624.0NANANA13440.0NANANA13403.0NANANA12232.0NANANA11719.0NANANA12322.0NANANA12445.0NANANA12036.0NANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NoncurrentAssets NANA7073.0NANANA7208.0NANANA7259.0NANANA7451.0NANANA7040.0NANANA6777.0NANANA7153.0NANANA7320.0NANANA6956.0NANANA6375.0NANANA6165.0NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:CNNANA742.0NANANA722.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:DENANA729.0NANANA653.0NANANANANANANA727.0NANANA717.0NANANA778.0NANANA833.0NANANA891.0NANANA788.0NANANA691.0NANANA676.0NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:USNANA2517.0NANANA2681.0NANANA2734.0NANANA2750.0NANANA2651.0NANANA2468.0NANANA2464.0NANANA2389.0NANANA2424.0NANANA2367.0NANANA2411.0NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical gt:OtherInternationalNANA3085.0NANANA3805.0NANANA3763.0NANANA3208.0NANANA2956.0NANANA2765.0NANANA3047.0NANANA3219.0NANANANANANANANANANANANANANANA
us-gaap:ConstructionInProgressGross NANA737.0NANANA682.0NANANA655.0NANANA721.0NANANA887.0NANANA783.0NANANA733.0NANANA978.0NANANA1188.0NANANA849.0NANANA947.0NANANA
 us-gaap:ConstructionInProgressGross us-gaap:PropertyPlantAndEquipmentByType gt:OwnedNANA737.0NANANA681.0NANANA654.0NANANA721.0NANANA887.0NANANA783.0NANANA733.0NANANA978.0NANANA1173.0NANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇▇▆▆▆▆▆▆▆▅▅▅▆▅▅▄▃▂▃▂▂▁▁▁▁▂▃▃▃▂▂▂▂▂▂▁▂▁▁▂▂▁11192.010935.010991.010576.010293.010324.010488.010457.010492.010285.010161.010199.010110.010350.010078.09945.09662.09361.09125.09206.09042.08934.08637.08700.08733.08763.09029.09189.09373.09275.09158.09151.09060.09004.08991.08881.08692.08835.08629.08727.08974.09068.08807.0NANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:BusinessAcquisition gt:CooperTireNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Goodwill █▁▂▁▁▁▄▄▄▄▄▄▄▄▄▄▄▃▃▄▄▄▄▄▄▄▄▅▅▅▅▅▅▅▅▅▅▅▅▅▆▆▅874.0395.0408.0393.0383.0369.0565.0550.0570.0563.0569.0572.0576.0606.0595.0587.0571.0545.0535.0564.0560.0574.0555.0556.0563.0552.0601.0623.0663.0668.0668.0660.0643.0647.0664.0655.0644.0672.0654.0670.0720.0712.0683.0NANANA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:BusinessAcquisition,us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass gt:CooperTire,us-gaap:TrademarksAndTradeNamesNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill █▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1216.0134.0135.0135.0135.0135.0137.0134.0135.0136.0136.0137.0138.0140.0139.0137.0137.0136.0136.0138.0138.0138.0138.0131.0132.0137.0138.0135.0137.0137.0138.0138.0139.0139.0140.0154.0154.0157.0157.0157.0161.0161.0161.0NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass gt:TrademarksAndPatentsNANA4.0NANANA5.0NANANA4.0NANANA5.0NANANA4.0NANANA4.0NANANA5.0NANANA7.0NANANA8.0NANANA10.0NANANA13.0NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:OtherIntangibleAssetsNANA12.0NANANA14.0NANANA14.0NANANA16.0NANANA10.0NANANA12.0NANANA12.0NANANA9.0NANANA10.0NANANA25.0NANANA26.0NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA1383.0NANANA1437.0NANANA1752.0NANANA1908.0NANANA2329.0NANANA2050.0NANANA2163.0NANANA68.0NANANA112.0NANANA83.0NANANA-12.0NANANA
us-gaap:OperatingLeaseRightOfUseAsset █▇▇▇▇▇▇▇▇▇▁1025.0826.0851.0852.0869.0873.0855.0828.0854.0862.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▇▆▆▄▄▆▆▇▇██▇▄▄▄▃▃▃▃▃▃▃▃▄▄▃▄▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁1079.0938.0952.0805.0794.0941.0959.01055.01071.01160.01136.01089.0804.0805.0792.0714.0700.0682.0668.0702.0706.0676.0687.0748.0744.0705.0731.0654.0648.0600.0600.0550.0527.0534.0529.0522.0517.0497.0486.0472.0489.0510.0518.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent █▅▅▃▁▄▅▄▄▄▅▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▅▄▅▅▅▅▆▆▆▆▆▇▇▆▇▆▅3858.03037.02945.02330.01858.02645.02908.02651.02750.02737.02920.02819.02880.02850.02807.02624.02774.02631.02589.02600.02643.02653.02769.02576.02602.02612.02878.02827.03097.03112.03097.03084.03213.03218.03223.03146.03324.03571.03668.03371.03515.03358.03107.0NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▁▁▁▂▂▁▁▅▆▇█24.023.023.025.026.024.023.032.035.037.039.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DebtCurrent ▆▅▄▆██▆▇▆▆▄▆▄▄▄▄▄▄▄▄▃▃▄▃▃▂▂▁▁▁▁▂▂▂▂▂▂▃▃▄▄994.0776.0558.0940.01293.01312.0910.01096.0971.0961.0653.0916.0621.0659.0653.0654.0673.0676.0681.0582.0491.0390.0636.0409.0357.0261.0178.0136.085.073.087.0176.0204.0274.0198.0273.0275.0445.0412.0524.0518.0NA426.0NANANA
us-gaap:LiabilitiesCurrent █▄▃▂▂▄▄▃▃▃▂▃▂▃▃▃▃▃▂▂▂▂▃▂▂▁▂▂▃▃▃▃▃▄▄▄▄▆▆▅▆▅▄6603.05333.05106.04893.04626.05266.05287.05173.05081.05087.04781.05047.04833.04941.05025.04922.05069.04915.04817.04800.04594.04601.04957.04783.04741.04427.04736.04773.05025.05031.05025.05184.05175.05335.05322.05388.05420.05881.05929.05819.05919.05694.05307.0NANANA
us-gaap:OperatingLeaseLiabilityCurrent █▇▇▇▇▇▇▇██▁215.0189.0198.0196.0192.0191.0199.0197.0200.0203.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent ▄▃▄▄▃▁▂▂▁▂▂▃▃▄▆▆▆▆▅▅▄▅▄▄▄▄▅▆▇▇▇▇▆███▇▇▆▇▇▆▆849.0783.0865.0873.0798.0648.0734.0690.0653.0694.0737.0795.0821.0898.01026.01062.01055.01040.0963.0993.0855.0943.0886.0871.0904.0885.0956.01036.01080.01119.01083.01130.01067.01156.01182.01193.01102.01099.01050.01103.01097.01055.01018.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt █▃▂▄▄▃▁▄▄▄▂▄▄▄▃▄▄▃▂▄▄▄▃▄▄▅▅▇▆▇▅▆▅▅▁▄▃▂▁▃▁7254.05466.05334.05871.06023.05586.05066.05945.06009.05766.05316.06038.05973.05886.05427.06075.05799.05677.05193.05805.06047.05952.05659.05908.06014.06149.06305.06765.06699.07034.06173.06433.06383.06405.04926.05783.05469.05311.04914.05742.05024.0NA4489.0NANANA
us-gaap:DebtAndCapitalLeaseObligations █▃▃▄▅▃▂▄▅▄▂▄▄▄▂▄▃▃▂▃▄▄▃▄▄▄▅▆▆▇▄▅▅▅▁▃7513.05712.05584.06119.06269.05833.05315.06190.06257.06011.05353.06075.06012.05927.05467.06115.05838.05716.05234.05849.06091.05999.05659.05959.06067.06203.06364.06817.06755.07094.06235.06498.06450.06474.04984.05818.0NANA4945.0NANANANANANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations █▄▄▅▅▃▂▄▅▄▃▄▅▄▃▅▄▃▂▄▅▅▃▄▅▅▆▇▇█▆▆▆▆▂▅▄▃▂▄▂▂▁6978.05326.05432.05708.05688.05212.04753.05580.05766.05545.05110.05604.05726.05600.05076.05737.05403.05257.04798.05446.05745.05685.05120.05591.05746.05965.06216.06719.06677.07047.06162.06366.06325.06307.04888.05708.05395.05186.04789.05559.04786.04795.04319.0NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▇▃▂▁▁▃▄▅▆▆▆▆▇██▅▃97.086.084.080.080.086.090.091.094.094.095.095.099.0101.0100.091.086.0NA85.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▂▁▂▁▁▁▁▁▁▁▁▁▁▂▂▁▁▁▁▁▁▁▂▁▁▂▂▁▁▁▄▅▅▆█▆▇▇▇▅▆1677.01388.01470.01319.01273.01254.01334.01244.01277.01299.01345.01350.01369.01478.01515.01459.01408.01392.01460.01388.01393.01437.01468.01426.01452.01509.01676.01307.01369.01376.02673.03111.03133.03239.04340.03454.03732.03885.04002.03226.03384.0NA3415.0NANANA
us-gaap:MinorityInterest ▂▁▁▁▁▂▂▂▂▄▃▂▃▄▅▅▅▄▃▄▄▄▄▄▄▄▅▅▅▅▆▆▅▆▆▇▆█▇▇██▇199.0180.0181.0179.0180.0187.0194.0200.0202.0223.0206.0200.0207.0225.0247.0239.0236.0227.0218.0227.0226.0228.0222.0219.0226.0227.0235.0241.0244.0244.0262.0251.0243.0251.0255.0278.0263.0288.0268.0276.0284.0289.0277.0NANANA
us-gaap:OtherLiabilitiesNoncurrent ▂▁▁▁▁▁▂▂▂▂▁▂▁▂▂▂▂▃▃▄▃▃▄▃▃▄▆▇▇▇▇▇████▇██▆▆▆▆571.0483.0471.0468.0449.0483.0508.0534.0539.0550.0471.0495.0484.0498.0498.0522.0535.0584.0626.0716.0630.0635.0661.0587.0626.0696.0873.0916.0934.0944.0966.0995.01011.01014.01000.01000.0998.01008.01041.0882.0887.0849.0842.0NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent █▇▇▇▇▇▇▆▇▇▁843.0667.0684.0685.0698.0693.0668.0642.0664.0667.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA186.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA146.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA110.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA88.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA376.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▇▅▅▅▅▆▇███████████▇▇▇▇▆▇▇▆▆▃▃▃▃▂▂▁▁▂▂▂▂▃▃▂▁4212.03106.03078.02860.02833.03510.04351.04835.04847.04808.04864.04800.04637.04737.04603.04882.04909.04733.04507.04477.04182.04104.03920.04143.03970.03792.03610.01862.01825.01593.01606.0952.0715.0536.0370.01230.0947.0863.0749.01499.01475.01327.0644.0NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▇▅▅▅▅▆▇███████████▇▇▇▇▆▇▇▆▆▃▃▃▃▂▂▁▁▂▂▂▂▃▃▃▁▂▁4411.03286.03259.03039.03013.03697.04545.05035.05049.05031.05070.05000.04844.04962.04850.05121.05145.04960.04725.04704.04408.04332.04142.04362.04196.04019.03845.02103.02069.01837.01868.01203.0958.0787.0625.01508.01210.01151.01017.01775.01759.01616.0921.01127.0896.0NA
us-gaap:AdditionalPaidInCapitalCommonStock █▁▁▁▁▁▁3086.02182.02171.02163.02154.02146.02141.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA2795.02805.0NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▆▆▆▆▆▇▇██████▇▇▇▇▇▇▆▆▆▆▆▆▆▅▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁4888.04821.04809.04746.04748.05444.06113.06543.06492.06476.06597.06525.06208.06084.06044.06175.06071.05949.05808.05247.04918.04735.04570.04981.04727.04551.04343.02231.02087.01888.01958.01730.01576.01396.01370.01370.01260.01176.01187.01169.01009.0969.0866.0NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▃▃▂▂▂▃▃▄▄▃▃▄▄▄▄▃▃▃▄▄▄▄▃▃▃▃▄▄▄▄▂▂▂▁▅▄▄▄▇██▇-4043.0-4132.0-4135.0-4282.0-4302.0-4313.0-4136.0-4073.0-4002.0-4014.0-4076.0-4083.0-4022.0-3867.0-3976.0-4015.0-4052.0-4103.0-4198.0-3957.0-3962.0-3950.0-4010.0-4210.0-4143.0-4174.0-4143.0-3919.0-3830.0-3883.0-3947.0-4363.0-4431.0-4424.0-4560.0-3702.0-3870.0-3867.0-3991.0-3219.0-3079.0-3181.0-3270.0NANANA
us-gaap:MinorityInterest ▂▁▁▁▁▂▂▂▂▄▃▂▃▄▅▅▅▄▃▄▄▄▄▄▄▄▅▅▅▅▆▆▅▆▆▇▆█▇▇██▇199.0180.0181.0179.0180.0187.0194.0200.0202.0223.0206.0200.0207.0225.0247.0239.0236.0227.0218.0227.0226.0228.0222.0219.0226.0227.0235.0241.0244.0244.0262.0251.0243.0251.0255.0278.0263.0288.0268.0276.0284.0289.0277.0NANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues 938.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA0.00.0NA0.00.0484.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▄▇▆▄▃▇▅▄▄▆▄▅▃▇▄▄▄▇▅▅▃▇▅▅▄▇▅▅▁▇▅▅▂▇▅▅▃█▄▄▃▆▄▄▅211.0-282.01354.0581.0-259.0-561.01346.0152.073.0-364.0940.060.0305.0-389.01312.031.0101.0-286.01267.0357.0261.0-381.01052.0361.0536.0-262.01279.0195.0409.0-1543.01236.0164.0475.0-937.01367.0122.0303.0-754.01745.0-303.0-236.0-433.0841.0-100.060.0123.0
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁████████████████▇▇███▆█▇█████▇██▇▇▇█▇███▇▇███-2053.0-180.0-152.0-125.0-133.0-257.0-216.0-165.0-175.0-244.0-203.0-194.0-222.0-248.0-204.0-177.0-228.0-270.0-266.0-242.0-208.0-257.0-588.0-205.0-289.0-180.0-246.0-184.0-210.0-211.0-411.0-223.0-219.0-283.0-323.0-288.0-217.0-295.0-187.0-232.0-133.0-350.0-285.0-221.0-192.0-161.0
us-gaap:NetCashProvidedByUsedInFinancingActivities █▄▂▃▅▆▁▄▄▅▂▄▄▅▂▄▄▅▂▃▄▄▂▄▃▄▂▄▃▆▃▄▄▇▁▄▄▅▂▆▄▆▃▄▄▄1676.0144.0-752.0-369.0385.0939.0-1096.0-22.0166.0645.0-820.058.0120.0399.0-872.031.028.0398.0-804.0-281.012.0213.0-679.0-39.0-233.0-34.0-574.0187.0-419.0795.0-318.0-20.0-42.01462.0-1024.0255.017.0326.0-881.0948.0-47.0974.0-217.0231.079.086.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▁█▅▄▄▄▃▄▄▃▃▅▂▆▃▃▃▅▃-138.0-352.0495.091.02.062.048.0-54.070.037.0-89.0-88.0162.0-222.0242.0-101.0-82.0-138.0189.0-153.0NANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▇▇▇▇▆██▇▇▇▇▇▇▇█▇▇▇▆▇▇▇▆▇▇▇▁▇▇▇▇-48.0-18.013.0-48.0-177.0235.0356.0-2.0-8.0-23.072.0114.0-38.0-17.0352.0-12.05.040.0-260.0-56.041.046.0-186.094.080.091.0-2031.062.020.0-21.0-37.0NANANANANANANANANANANANANANANA
us-gaap:DepreciationDepletionAndAmortization ▄▃▃▃█▃▄▃▃▃▃▃▃▃▃▃▄▃▃▂▂▂▂▂▂▂▂▂▃▂▂▂▂▂▂▂▁▂▂▂▃▂▁▁▁▁208.0197.0194.0193.0276.0196.0211.0195.0196.0193.0189.0197.0193.0199.0195.0199.0202.0185.0191.0181.0181.0174.0176.0173.0177.0172.0179.0182.0188.0183.0183.0182.0180.0177.0174.0176.0167.0170.0168.0173.0192.0182.0165.0166.0162.0159.0
us-gaap:IncreaseDecreaseInAccountsReceivable ▅▇▃▇▄▆▂▆▅▇▃▆▅▇▃▆▅▇▂▆▅▇▃▆▅▇▂▆▅▇▂▆▅▇▁▆▄█▁█▅█▃▇▅▆19.0526.0-634.0538.0-242.0206.0-856.0340.020.0425.0-635.0332.08.0467.0-660.0337.0-8.0478.0-781.0153.018.0399.0-613.0205.0-56.0495.0-750.0299.0-80.0456.0-807.0337.0-109.0500.0-1020.0352.0-258.0635.0-1082.0718.0-53.0754.0-677.0430.088.0340.0
us-gaap:IncreaseDecreaseInInventories ▆▅▄▂▁▅▃▃▅▄▃▄▅▄▃▃▆▅▄▄▄▅▄▄▄▄▃▃▅▅▃▃▄▄▂▂▄▄▃▅█▆▄▄▆▆284.0258.0-58.0-351.0-474.0170.0-172.0-67.0140.093.0-83.032.0141.081.0-210.0-228.0291.0191.0-64.060.060.0116.0-8.084.021.0-8.0-191.0-92.0104.0214.0-117.0-227.09.0-31.0-362.0-373.068.048.0-145.0194.0668.0292.0-11.0-45.0292.0300.0
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet █▁▃▃▂▁▄▂▅▄▅▃▂▅▄▃▆▅▄▄▅▆▃▅▄▂▄▁▃▆▆▆▃▅▆▆▃▇█▁▅▄▆▇▂▂133.0-105.0-23.0-27.0-56.0-89.0-8.0-76.021.0-10.019.0-49.0-73.037.0-6.0-48.068.029.01.011.022.071.0-44.030.012.0-87.012.0-88.0-52.052.065.054.0-46.026.080.057.0-38.088.0134.0-94.025.014.059.099.0-82.0-57.0
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▄▇▆▄▃▇▅▄▄▆▄▅▃▇▄▄▄▇▅▅▃▇▅▅▄▇▅▅▁▇▅▅▂▇▅▅▃█▄▄▃▆▄▄▅211.0-282.01354.0581.0-259.0-561.01346.0152.073.0-364.0940.060.0305.0-389.01312.031.0101.0-286.01267.0357.0261.0-381.01052.0361.0536.0-262.01279.0195.0409.0-1543.01236.0164.0475.0-937.01367.0122.0303.0-754.01745.0-303.0-236.0-433.0841.0-100.060.0123.0
us-gaap:NetIncomeLoss ▃▃▃▃▁▁▂▃▃▃▃▄▃▃▂▃▃▃▄▄▃▃▂▃▃▃█▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃67.012.063.0-2.0-696.0-619.0-392.088.054.0-61.0110.0351.0157.075.0-96.0129.0147.0166.0561.0317.0202.0184.0-380.0271.0192.0224.02129.0161.0213.0-51.0235.0173.0188.033.07.0117.092.0-4.025.0168.047.0103.0-177.0-20.028.0-47.0
us-gaap:ProfitLoss ▃▃▃▃▁▁▂▃▃▃▃▄▃▃▃▃▃▃▄▄▃▃▂▃▃▃█▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃71.018.067.03.0-703.0-617.0-399.090.056.0-44.0110.0354.0164.080.0-90.0132.0154.0169.0567.0320.0208.0189.0-373.0305.0208.0236.02128.0199.0232.0-38.0256.0195.0193.031.0-7.0133.0103.08.026.0211.056.0124.0-166.0-13.039.0-24.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁████████████████▇▇███▆█▇█████▇██▇▇▇█▇███▇▇███-2053.0-180.0-152.0-125.0-133.0-257.0-216.0-165.0-175.0-244.0-203.0-194.0-222.0-248.0-204.0-177.0-228.0-270.0-266.0-242.0-208.0-257.0-588.0-205.0-289.0-180.0-246.0-184.0-210.0-211.0-411.0-223.0-219.0-283.0-323.0-288.0-217.0-295.0-187.0-232.0-133.0-350.0-285.0-221.0-192.0-161.0
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▃▂▂▁▂▃▃▂▂▃▃▂▃▄▃▂▃▄▅▄▃▄▆▃▄▃▅▃▃▃█▄▃▄▆▅▃▄▄▄▄▅▆▄▃▁200.0185.0160.0124.0152.0211.0209.0160.0180.0221.0196.0173.0194.0248.0198.0186.0226.0271.0285.0245.0213.0253.0327.0208.0244.0204.0289.0193.0212.0229.0434.0241.0222.0271.0339.0298.0214.0276.0237.0274.0248.0284.0326.0260.0217.0141.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities █▄▂▃▅▆▁▄▄▅▂▄▄▅▂▄▄▅▂▃▄▄▂▄▃▄▂▄▃▆▃▄▄▇▁▄▄▅▂▆▄▆▃▄▄▄1676.0144.0-752.0-369.0385.0939.0-1096.0-22.0166.0645.0-820.058.0120.0399.0-872.031.028.0398.0-804.0-281.012.0213.0-679.0-39.0-233.0-34.0-574.0187.0-419.0795.0-318.0-20.0-42.01462.0-1024.0255.017.0326.0-881.0948.0-47.0974.0-217.0231.079.086.0
us-gaap:ProceedsFromIssuanceOfLongTermDebt █▂▂▃▆▅▃▃▄▄▄▃▄▄▄▄▄▄▃▃▅▃▄▂▂▂▂▂▂▃▁▁▂▄▂▃▃▃▂▃▃▃▂▄▁▂4161.0694.0309.01056.02698.02188.01145.01318.01629.01850.01751.01160.01892.01652.01491.01516.01618.01838.0859.0846.02198.01085.01554.0149.0500.0616.0103.0425.0210.01104.0-239.037.0557.01558.0489.0776.01159.01107.0168.01113.0973.0917.0125.01374.050.0201.0
us-gaap:RepaymentsOfLongTermDebt █▂▄▅▇▅▇▅▅▄█▄▆▄▇▅▅▅▅▄▇▃▆▁▃▃▂▂▃▂▁▁▃▁▅▂▄▃▄▂▄▂▂▄▁▁2528.0514.0910.01270.02279.01600.02067.01313.01405.01223.02477.01059.01707.01226.02149.01288.01536.01369.01408.01094.02109.0822.01846.0157.0684.0628.0501.0231.0551.0272.021.021.0561.078.01395.0512.01027.0783.0976.0242.01009.0423.0326.01165.0-17.081.0
us-gaap:PaymentsOfDividendsCommonStock NANA0.00.00.037.037.037.037.037.038.033.033.034.035.025.025.025.026.018.019.019.019.017.016.016.017.017.014.012.012.00.00.00.0NANANANANANANANANANANANA
 us-gaap:PaymentsOfDividendsCommonStock us-gaap:StatementEquityComponents us-gaap:CommonStockNANA0.00.00.037.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType gt:FivePercentNotesDueInTwoThousandTwentySix,us-gaap:SeniorNotes5e-06NA5e-06NANANANANANANANANANANANANANANA5.0000000000000004e-085.0000000000000004e-085.0000000000000004e-08NA5.0000000000000004e-08NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType gt:NinePointFivePercentNotesDueInTwoThousandTwentyFive,us-gaap:SeniorNotes9.5e-06NA9.5e-06NA9.5e-08NA9.5e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType gt:SevenPercentNotesDueInTwoThousandTwentyEight,us-gaap:SeniorNotes7e-06NA7e-06NA7e-087e-087e-087e-087e-087e-087e-087e-087e-087e-087e-087e-087e-087e-087e-087e-087e-087e-087e-08NANANA7e-08NANANANANANANANANANANANANANANANANANANA

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:CommonStockSharesIssued

gt:CooperTireStockholders


Common
Period End2021-06-07
Value46
Percentage of CommonStockSharesIssued100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value247238234234234234234232238241244254256256266268271274274274279281248278282248281281244281247246242244242
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 End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value244235234234234233233232236239240250252252262264267269270270275276248246246245245245244244244243242242242
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

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

gt:UnderwaterStockOptions


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value2.02.09.09.09.03.02.02.02.02.01.01.01.01.00.01.02.03.01.02.04.05.07.01111119.06.09.01212
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.270.050.27-0.01-2.97-2.65-1.680.380.23-0.260.471.490.660.31-0.370.520.580.662.151.210.760.69-1.411.010.710.837.950.580.77-0.230.930.670.740.100.450.35-0.050.070.660.160.42-0.73-0.080.11-0.19
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.270.050.27-0.01-2.97-2.65-1.680.380.23-0.260.471.480.650.31-0.360.50.580.652.121.190.750.68-1.390.990.70.827.630.580.76-0.230.850.620.670.10.010.410.33-0.050.070.60.160.42-0.73-0.080.11-0.19
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value7.04.08.09.08.06.09.07.08.03.05.06.03.02.05.05.06.06.05.07.04.07.04.05.06.04.06.02.05.07.02.08.06.02.05.05.04.01.08.0-2.06.06.0127.04.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.20.30.40.20.20.20.20.10.10.20.10.10.10.10.20.20.10.20.10.20.10.10.10.10.10.00.10.20.00.20.10.00.10.10.10.00.1-0.00.10.10.20.10.1

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1561521018-685.0-796.0-455.017661.01172902.0184-57.0166198261320322190244-85.020422319319057226614651241181169-850.028484120-710.028149192-192.0206-73.0-26.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.90.45.70.5-31.9-26.0-12.30.41.80.03.07.40.14.8-1.44.25.47.18.68.44.96.6-2.14.95.34.843.71.55.70.313.64.83.73.5-16.85.41.62.2-12.50.52.73.6-3.84.2-1.6-0.6

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.0-1.08.03.0-7.0-7.0-6.0-1.05.0176.0-6.0-11.07.08.04.0149.0-8.03.01.0126.01535-50.0-18.0-13.0222950412.0-15.0-72.036-24.040-23.0-19.020593.092-55.0-11.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.00.20.1-0.3-0.2-0.2-0.00.10.50.2-0.2-0.30.20.20.10.40.2-0.20.10.00.30.10.40.8-1.2-0.4-0.30.50.61.00.80.0-0.3-1.40.7-0.50.7-0.4-0.30.41.10.11.9-1.2-0.3

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1591421821-692.0-803.0-461.0167118123284-9.0191-49.0170212270312325191256-79.021925814318875928843701282183154-922.032060160-770.09.0169251-208.0298-128.0-37.0
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.00.46.00.6-32.3-26.3-12.40.42.00.53.27.2-0.25.0-1.24.35.87.38.38.44.96.9-1.95.26.23.643.31.36.21.014.65.63.73.2-18.36.11.22.9-13.50.13.04.6-4.16.0-2.8-0.9

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

gt:NonControllingInterestNonRedeemable


Comprehensive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value3.0-1.03.0-7.0-7.0-1.05.017-6.0-11.07.0-8.03.01.0124.0-6.05.0-7.0-5.0-5.09.06.01310.0-3.04.012160.021-6.0
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest1.9-7.114.31.00.9-6.27.094.4-2.1122.23.7-2.60.90.54.7-5.1-2.71.9-4.9-0.3-8.53.114.01.93.5-1.62.6-1.35.00.013.10.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.00.1-0.3-0.2-0.00.10.5-0.2-0.30.2-0.20.10.00.30.1-0.10.1-0.2-0.1-0.10.20.10.30.2-0.10.10.20.30.00.4-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:NonControllingInterestNonRedeemable0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Comprehensive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value1561518-685.0-796.017661.01172902.0184-57.0166198261320322190244-85.020422319319057226614651241181169-850.028484120-747.0
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest98.1107.185.799.099.1106.293.05.695.1102.1-22.296.3116.397.693.496.7102.699.199.595.3107.693.286.4135.0101.0122.092.432.692.985.598.9109.792.288.8140.075.097.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.90.40.5-31.9-26.00.41.80.03.07.40.14.8-1.44.25.47.18.68.44.96.6-2.14.95.34.843.71.55.70.313.64.83.73.5-16.85.41.62.2-13.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value30782751279427752216255229032965285528793008302829492976308130542785
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax77.478.476.480.1103.483.578.278.078.680.077.677.176.877.775.777.975.6

us-gaap:CostOfGoodsAndServicesSold us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-4.02.02.03.04.04.0-5.0-3.03.03.0-1.01.0
Percentage of CostOfGoodsAndServicesSold-0.10.10.10.10.20.2-0.2-0.10.10.1-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.10.10.10.10.20.1-0.1-0.10.10.1-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value9833127-10.0-889.0-368.01212182-38.0202513183113287162190239329310301267-510.0431328359126299292-30.02582492565032186166567.0305120186-145.04282
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.50.93.5-0.3-41.5-12.00.33.22.3-1.15.213.14.83.07.04.15.26.58.88.17.87.2-12.610.37.98.92.96.46.3-0.75.45.05.21.00.63.53.21.00.15.02.13.4-2.90.81.8

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:BusinessAcquisition

gt:CooperTire


Income
Period End2021-06-07
Value-20.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:CooperTire0.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value299226302162-431.0-47.0242294219190307362324281419357361385479556531419
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest305.1684.8237.8-1620.048.512.82016.7243.0267.1-500.0152.070.6177.0248.7146.0220.4190.0161.1145.6179.4176.4156.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.56.48.34.7-20.1-1.56.57.76.05.37.99.28.47.310.39.19.810.412.814.513.711.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gt:AmericasSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value233114190106-287.00.015217513489179194154127209189213214295305291260
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest237.8345.5149.6-1060.032.3-0.01266.7144.6163.4-234.288.637.884.2112.472.8116.7112.189.589.798.496.797.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.93.25.23.1-13.40.04.14.63.72.54.64.94.03.35.14.85.85.87.97.97.57.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gt:AmericasSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, gt:AsiaPacificSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value23384334-34.06.05253414754577076117817173103999279
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest23.5115.233.9-340.03.8-1.6433.343.850.0-123.726.711.138.367.340.850.037.430.531.331.930.629.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.61.11.21.0-1.60.21.41.41.11.31.41.51.82.02.92.11.92.02.82.62.42.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gt:AsiaPacificSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, gt:EuropeMiddleEastandAfricaSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value43746922-110.0-53.0386644547411110078938777988115214880
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest43.9224.254.3-220.012.414.4316.754.553.7-142.136.621.654.669.032.453.740.541.024.649.049.230.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.12.11.90.6-5.1-1.71.01.71.21.51.92.82.62.02.32.22.12.62.24.03.82.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gt:EuropeMiddleEastandAfricaSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value271560-13.0-186.024941131266.0921591933377303670-238.0-10.09378-137.0126120123-2002.0100608.02.054631939536348-19.094646221554353
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.41.6-0.4-8.78.111.10.80.70.22.44.00.50.99.30.81.01.9-6.4-0.32.42.1-3.43.02.93.1-46.02.11.30.20.01.11.30.40.81.01.20.9-0.31.61.11.10.41.10.91.2

us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value129.013138.08.0-11.0-8.0-8.0-8.0-11.0-10.0-10.0-8.0-14.0-19.0-11.0-10.0-74.0-9.0-9.0-9.0-44.0-2.0-1.0-2.0-3.0-1.0-3.0
Percentage of IncomeTaxExpenseBenefit44.460.021.7-100.0-4.33.2-2.7-25.8-30.8-133.3-12.0-6.3-52.6-24.2-3.7-63.3-30.6-14.354.0-7.1-7.5-7.32.2-2.0-1.7-25.0-150.0-1.9-4.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.40.40.40.3-0.3-0.2-0.2-0.2-0.3-0.3-0.3-0.2-0.3-0.5-0.3-0.3-1.8-0.2-0.2-0.2-1.0-0.0-0.0-0.0-0.1-0.0-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value977978888573798888858582787675848987879010491101102106103113108102105105100102858786831018986817475907774
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.32.12.54.02.42.12.32.42.42.22.12.02.01.82.12.42.42.32.32.72.52.52.42.52.62.62.32.22.32.22.02.11.81.71.61.61.81.61.41.41.41.51.81.71.7

us-gaap:InterestExpense us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value97797888857379888885858278767584898787901049190105110107
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.089.1102.9103.8103.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.32.12.54.02.42.12.32.42.42.22.12.02.01.82.12.42.42.32.32.72.52.22.52.62.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value671263-2.0-696.0-619.0-392.08854-61.011035115775-96.0129147166561317202184-380.02711922242129161213-51.0235173188337.011792-4.02516847103-177.0-20.028-47.0
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 RevenueFromContractWithCustomerExcludingAssessedTax1.70.31.7-0.1-32.5-20.3-10.62.31.5-1.72.88.94.12.0-2.43.34.04.515.08.25.25.0-9.46.54.65.648.93.54.6-1.14.93.53.80.70.12.21.8-0.10.42.80.81.9-3.5-0.40.6-1.1

us-gaap:NetIncomeLoss us-gaap:BusinessAcquisition

gt:CooperTire


Net
Period End2021-06-07
Value-6.0
Percentage of NetIncomeLoss0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:CooperTire0.0

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value4125333825222423-24.0-23.0230-36.0-32.0-30.0175-34.0-17.0191617-26.0-13.0-496.0-13.0-13.0-14.013-30.0-21.0-70.0-56.0-54.0-59.0-60.0
Percentage of NetIncomeLoss61.2208.352.4-1900.0-3.6-3.6-6.126.1-44.437.7209.1-10.3-20.4-40.0-182.3-26.4-11.611.42.95.4-12.9-7.1130.5-4.8-6.8-6.20.6-18.6-9.9137.3-23.8-31.2-31.4-181.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.70.91.11.20.70.60.6-0.7-0.65.9-0.9-0.8-0.84.3-0.9-0.50.50.40.4-0.7-0.4-12.2-0.3-0.3-0.30.3-0.6-0.5-1.6-1.2-1.1-1.2-1.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value412735412926-30.0-26.0-26.0-26.0-33.0-35.0-30.0-27.0176-33.0-19.0201617-31.016-332.0-18.0-19.0-18.013-25.0-24.0-69.0-56.0-53.0-58.0
Percentage of NetIncomeLoss61.2225.055.6-2050.0-4.2-4.27.7-29.5-48.142.6-30.0-10.0-19.1-36.0-183.3-25.6-12.912.02.95.4-15.38.787.4-6.6-9.9-8.00.6-15.5-11.3135.3-23.8-30.6-30.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.81.01.21.40.9-0.8-0.7-0.7-0.7-0.9-0.9-0.8-0.74.3-0.8-0.50.50.40.4-0.80.4-8.2-0.4-0.5-0.40.3-0.5-0.5-1.5-1.2-1.1-1.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.0-2.0-2.0-3.0-4.0-4.0-6.0-3.0-2.0-3.01.01.0
Percentage of NetIncomeLoss6.0-16.7-3.2150.00.60.61.5-3.4-3.74.90.90.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.1-0.1-0.1-0.2-0.1-0.2-0.1-0.1-0.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.06.05.0-7.02.0-7.02.02.0170.03.07.05.06.03.07.03.06.03.06.05.07.0341612-1.038191321225.0-2.0-14.01611121.0439.021117.01123
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.20.1-0.30.1-0.20.10.10.50.00.10.20.10.10.10.20.10.20.10.20.10.20.80.40.3-0.00.80.40.30.40.40.1-0.0-0.30.30.20.20.00.70.20.40.20.10.20.5

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value88-4.01511811-186.0-62.0-74.0156213-70.0-173.0111413858101-255.05.0-17.067294-86.050-93.0-241.0-140.0568144587-10.0123-915.0187-43.0152-796.0-202.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.2-0.14.10.50.5-6.1-1.7-1.90.41.70.3-1.8-4.52.91.01.01.62.7-6.80.1-0.41.87.2-2.11.2-2.3-5.5-3.01.21.89.31.7-0.22.5-18.13.6-0.82.7-14.0-3.3

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

gt:NonControllingInterestNonRedeemable


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value-1.0-7.0-2.00.0-9.0-3.03.00.0-9.0-18.02.0-14.00.0-5.07.01.0-13.0-4.0-10.0-8.0-12.03.0-1.0-6.00.0-13.0-2.03.08.0-10.013-7.0
Percentage of OtherComprehensiveIncomeLossNetOfTax-1.1175.0-11.10.04.84.120.00.012.910.41.85.50.029.410.40.315.1-8.010.83.38.65.4-1.2-1.30.0130.0-1.6-0.34.323.38.60.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.2-0.10.0-0.3-0.10.10.0-0.2-0.50.1-0.40.0-0.10.20.0-0.3-0.1-0.2-0.2-0.30.1-0.0-0.10.0-0.3-0.00.10.2-0.20.2-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:NonControllingInterestNonRedeemable0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value893.011-177.0
Percentage of OtherComprehensiveIncomeLossNetOfTax101.1-75.0100.095.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.20.10.5-5.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value893.02011-177.0-71.012627.0-61.0-155.010939375195-241.05.0-12.060295-67.031-31.0-224.0-89.0536541668-7.0136-857.0167-8.0124-772.0
Percentage of OtherComprehensiveIncomeLossNetOfTax101.1-75.0111.1100.095.295.980.0100.053.887.189.698.295.197.487.994.194.5100.070.689.6100.377.962.033.392.963.694.680.293.578.270.0110.693.789.318.681.697.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.20.10.60.5-5.8-1.90.31.70.2-1.6-4.02.81.00.91.42.6-6.40.1-0.31.67.3-1.60.7-0.8-5.1-1.91.11.58.71.4-0.12.8-17.03.2-0.22.2-13.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-30.0-34.0-26.0-32.0-34.0-27.0-24.0-35.0-17.0-22.03.0253-45.0-37.01.0-4.0-5.00.01323-20.0-6.02.02.0-17.0128-60.0-66.0-8.0-168.0150.014-126.0-11.01.0-37.0-92.0-25.04.0-48.0-4.0-13.0-62.0-7.0-104.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.8-1.0-0.7-0.9-1.6-0.9-0.6-0.9-0.5-0.60.16.4-1.2-1.00.0-0.1-0.10.00.30.6-0.5-0.20.00.0-0.43.2-1.4-1.4-0.2-3.80.30.00.3-2.6-0.20.0-0.7-1.7-0.40.1-0.9-0.1-0.3-1.2-0.2-2.4

us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-30.0-34.0-26.0-32.0-34.0-27.0-24.0-35.0-17.0-22.03.0253-45.0-37.01.0-4.0-5.00.01323-20.0-6.0-9.05.0-13.0132
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0-450.0250.076.5103.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.8-1.0-0.7-0.9-1.6-0.9-0.6-0.9-0.5-0.60.16.4-1.2-1.00.0-0.1-0.10.00.30.6-0.5-0.2-0.20.1-0.33.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherNonoperatingIncomeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, gt:AccumulatedDefinedBenefitPlansAdjustmentImmediateRecognitionofPriorServiceandGainLossAttributabletoParentDuetoDivestitures


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-19.0-46.0181.0-2.0-6.00.00.00.0-8.0-11.0-6.0
Percentage of OtherNonoperatingIncomeExpense63.3176.9-56.2-2.97.425.0-0.0-0.0-0.0-266.7-4.313.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-1.30.50.0-0.1-0.20.00.00.0-0.2-0.3-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome gt:AccumulatedDefinedBenefitPlansAdjustmentImmediateRecognitionofPriorServiceandGainLossAttributabletoParentDuetoDivestitures0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-34.0-36.0-252.0363636-35.0-34.0-34.0-34.0-36.0-34.034-35.0-29.0-28.030
Percentage of OtherNonoperatingIncomeExpense113.3105.9969.2-112.5-105.9-133.3145.897.1200.0154.5-1200.0-13.4-75.694.6-2900.0700.0-600.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.9-1.0-6.91.01.71.2-0.9-0.9-0.9-0.9-0.9-0.90.9-0.9-0.7-0.70.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7118673.0-703.0-617.0-399.09056-44.011035416480-90.0132154169567320208189-373.03052082362128199232-38.025619519331-7.01331038.02621156124-166.0-13.039-24.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.80.51.80.1-32.8-20.2-10.72.41.5-1.22.89.04.32.1-2.23.44.24.615.28.35.45.1-9.27.35.05.948.94.35.0-0.95.33.93.90.6-0.12.52.00.10.53.51.02.3-3.3-0.30.9-0.6

us-gaap:ProfitLoss us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical

gt:TireHubLimitedLiabilityCompany, country:US


Profit
Period End2020-09-302020-06-302019-09-302019-06-30
Value-4.0-14.0-4.0-15.0
Percentage of ProfitLoss-133.32.0-4.4-26.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.7-0.1-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:TireHubLimitedLiabilityCompany country:US0.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

gt:NonControllingInterestNonRedeemable


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value4.06.05.0-7.02.02.02.0173.07.05.06.03.06.05.03.07.09.03.03.07.06.07.01910.010.06.09.08.010.08.01.0
Percentage of ProfitLoss5.633.3166.71.0-0.32.23.6-38.60.84.36.21.10.92.92.6-0.82.34.31.30.13.52.6-18.47.45.15.219.4-128.66.09.7100.03.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.20.1-0.30.10.10.10.50.10.20.10.20.10.20.10.10.20.20.10.10.20.10.20.40.20.20.10.20.20.20.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:NonControllingInterestNonRedeemable0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value6712-2.0-696.0-619.08854-61.011035115775-96.0129147166561317202184-380.02711922242129161213-51.0235173188337.011792-4.025
Percentage of ProfitLoss94.466.7-66.799.0100.397.896.4138.6100.099.295.793.8106.797.795.598.298.999.197.197.4101.988.992.394.9100.080.991.8134.291.888.797.4106.5-100.088.089.3-50.096.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.70.3-0.1-32.5-20.32.31.5-1.72.88.94.12.0-2.43.34.04.515.08.25.25.0-9.46.54.65.648.93.54.6-1.14.93.53.80.70.12.21.8-0.10.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value6712-2.0-696.0-619.08854-61.035115775
Percentage of ProfitLoss94.466.7-66.799.0100.397.896.4138.699.295.793.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.70.3-0.1-32.5-20.32.31.5-1.78.94.12.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3979351136563465214430563713380236323598387639283841383040713921368636993741384738793691406341844172402443564657465644694791500248944853504552645150553356836062562054025072496245284270
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

gt:ChemicalProductsandServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value149113978049918199114109117146143148
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.73.22.72.32.33.02.22.63.13.03.03.73.73.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.73.22.72.32.33.02.22.63.13.03.03.73.73.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:ChemicalProductsandServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:OtherProductsandServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value8.07.06.07.05.03.0157.05.08.08.05.06.05.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.20.20.20.10.40.20.10.20.20.10.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.20.20.20.10.40.20.10.20.20.10.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:OtherProductsandServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:OtherTireandRelatedSales


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value306241261254195246284292269241168298289270
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.76.97.17.39.18.07.67.77.46.74.37.67.57.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.76.97.17.39.18.07.67.77.46.74.37.67.57.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:OtherTireandRelatedSales100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:RetailServicesandServiceRelatedRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value199180184180161163156171158151160169172174
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.05.15.05.27.55.34.24.54.44.24.14.34.54.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.05.15.05.27.55.34.24.54.44.24.14.34.54.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:RetailServicesandServiceRelatedRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:TireUnitSales


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value33172970310829441734255331773233308630893423331032313233
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.484.685.085.080.983.585.685.085.085.988.384.384.184.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.484.685.085.080.983.585.685.085.085.988.384.384.184.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:TireUnitSales100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

gt:ChemicalProductsandServices, gt:AmericasSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value149113978049918199114109117146143148
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.73.22.72.32.33.02.22.63.13.03.03.73.73.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.73.22.72.32.33.02.22.63.13.03.03.73.73.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:ChemicalProductsandServices gt:AmericasSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:OtherProductsandServices, gt:AmericasSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.04.04.05.04.01.0115.04.05.03.03.04.03.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.20.00.30.10.10.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.20.00.30.10.10.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:OtherProductsandServices gt:AmericasSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:OtherProductsandServices, gt:AsiaPacificSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.01.00.01.00.01.02.00.01.01.01.01.01.01.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.10.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.10.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:OtherProductsandServices gt:AsiaPacificSegment100.0100.00.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0

gt:OtherProductsandServices, gt:EuropeMiddleEastandAfricaSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.02.02.01.01.01.02.02.00.02.04.01.01.01.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.00.00.00.10.10.00.10.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.00.00.00.10.10.00.10.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:OtherProductsandServices gt:EuropeMiddleEastandAfricaSegment100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

gt:OtherTireandRelatedSales, gt:AmericasSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value170140140149118142163185159137160166159135
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.34.03.84.35.54.64.44.94.43.84.14.24.13.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.34.03.84.35.54.64.44.94.43.84.14.24.13.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:OtherTireandRelatedSales gt:AmericasSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:OtherTireandRelatedSales, gt:AsiaPacificSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2222232914323025303233323230
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.60.60.80.71.00.80.70.80.90.90.80.80.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.60.60.80.71.00.80.70.80.90.90.80.80.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:OtherTireandRelatedSales gt:AsiaPacificSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:OtherTireandRelatedSales, gt:EuropeMiddleEastandAfricaSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value114799876637291828072-25.010098105
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.92.32.72.22.92.42.52.22.22.0-0.62.52.62.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.92.32.72.22.92.42.52.22.22.0-0.62.52.62.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:OtherTireandRelatedSales gt:EuropeMiddleEastandAfricaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:RetailServicesandServiceRelatedRevenue, gt:AmericasSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value155136131146128133129136138132138145144137
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.93.93.64.26.04.43.53.63.83.73.63.73.73.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.93.93.64.26.04.43.53.63.83.73.63.73.73.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:RetailServicesandServiceRelatedRevenue gt:AmericasSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:RetailServicesandServiceRelatedRevenue, gt:AsiaPacificSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1516216.016121523171517191922
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.50.60.20.70.40.40.60.50.40.40.50.50.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.50.60.20.70.40.40.60.50.40.40.50.50.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:RetailServicesandServiceRelatedRevenue gt:AsiaPacificSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:RetailServicesandServiceRelatedRevenue, gt:EuropeMiddleEastandAfricaSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value29283228171812123.04.05.05.09.015
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.80.90.80.80.60.30.30.10.10.10.10.20.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.80.90.80.80.60.30.30.10.10.10.10.20.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:RetailServicesandServiceRelatedRevenue gt:EuropeMiddleEastandAfricaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:TireUnitSales, gt:AmericasSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1777139415541443835130616421624155614931696164715681506
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.739.742.541.638.942.744.242.742.841.543.841.940.839.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.739.742.541.638.942.744.242.742.841.543.841.940.839.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:TireUnitSales gt:AmericasSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:TireUnitSales, gt:AsiaPacificSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value455454493450304343499500472453501479511518
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.412.913.513.014.211.213.413.213.012.612.912.213.313.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.412.913.513.014.211.213.413.213.012.612.912.213.313.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:TireUnitSales gt:AsiaPacificSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:TireUnitSales, gt:EuropeMiddleEastandAfricaSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value108511221061105159590410361109105811431226118411521209
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.332.029.030.327.829.627.929.229.131.831.630.130.031.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.332.029.030.327.829.627.929.229.131.831.630.130.031.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:TireUnitSales gt:EuropeMiddleEastandAfricaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

gt:AmericasSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2256178719261823113416732026204919711876211421072018192921842041202919582061207020901951
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.750.952.752.652.954.754.653.954.352.154.553.652.550.453.652.155.052.955.153.853.952.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.750.952.752.652.954.754.653.954.352.154.553.652.550.453.652.155.052.955.153.853.952.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:AmericasSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:AsiaPacificSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value493493537486334388546548520501552531563571623569543502548541528489
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.414.014.714.015.612.714.714.414.313.914.213.514.714.915.314.514.713.614.614.113.613.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.414.014.714.015.612.714.714.414.313.914.213.514.714.915.314.514.713.614.614.113.613.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:AsiaPacificSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:EuropeMiddleEastandAfricaSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value12301231119311566769951141120511411221121012901260133012641311111412391132123612611251
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.935.132.633.431.532.630.731.731.433.931.232.832.834.731.033.430.233.530.332.132.533.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.935.132.633.431.532.630.731.731.433.931.232.832.834.731.033.430.233.530.332.132.533.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:EuropeMiddleEastandAfricaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues us-gaap:BusinessAcquisition

us-gaap:Revenues

gt:CooperTire


Revenuesus-gaap:
Period End2021-06-07
Value256
Percentage of Revenues100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:CooperTire0.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value658564605555451581618572586547580553588591584556583579600599593615725633648608702653698667736686691645707652697662724677753668715640670605
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.516.116.516.021.019.016.615.016.115.215.014.115.315.414.314.215.815.716.015.615.316.717.815.115.515.116.114.015.014.915.413.714.113.314.012.413.512.012.711.213.412.414.112.914.814.2

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2118016569165061619215827166911718518299184701827316872175911735517580170641785217646171941651117143168601677716439175151751617336181091665616942170921752717672173841745816973179391760117990176291812917642172561563014410
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:CorporateNonSegment


Assetsus-gaap:
Period End2021-06-302020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value276922902144230124652910322034741931
Percentage of Assets13.113.912.513.614.417.619.619.211.0
Percentage of Assets13.113.912.513.614.417.619.619.211.0
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments


Assetsus-gaap:
Period End2021-06-302020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value184111421615041145711459913601132191457015506
Percentage of Assets86.986.187.586.485.682.480.480.588.5
Percentage of Assets86.986.187.586.485.682.480.480.588.5
Percentage of Assets us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, gt:AmericasSegment


Assetsus-gaap:
Period End2021-06-302020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value99026666760671606923670162757019
Percentage of Assets46.840.444.342.440.640.638.238.8
Percentage of Assets46.840.444.342.440.640.638.238.8
Percentage of Assets us-gaap:OperatingSegments gt:AmericasSegment100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, gt:AsiaPacificSegment


Assetsus-gaap:
Period End2021-06-302020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value314327252711260226812515255925942613
Percentage of Assets14.816.515.815.415.715.215.614.314.9
Percentage of Assets14.816.515.815.415.715.215.614.314.9
Percentage of Assets us-gaap:OperatingSegments gt:AsiaPacificSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, gt:EuropeMiddleEastandAfricaSegment


Assetsus-gaap:
Period End2021-06-302020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value536648254724480949954385438349575532
Percentage of Assets25.329.227.528.529.326.626.727.431.6
Percentage of Assets25.329.227.528.529.326.626.727.431.6
Percentage of Assets us-gaap:OperatingSegments gt:EuropeMiddleEastandAfricaSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1676913283132471315312814129941264013264134211324211802125911251112618122141273112501122341178612439124521244512297125631275112778136821395814260146551508215929159061615615814158131578916213160051572815245150121412512831
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets79.280.280.381.281.077.973.672.572.772.570.071.672.171.871.671.370.871.271.472.673.974.274.871.772.873.775.683.884.285.786.190.191.592.593.288.189.790.190.886.886.487.090.489.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2118016569165061619215827166911718518299184701827316872175911735517580170641785217646171941651117143168601677716439175151751617336181091665616942170921752717672173841745816973179391760117990176291812917642172561563014410
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value42123106307828602833351043514835484748084864480046374737460348824909473345074477418241043920414339703792361018621825159316069527155363701230947863749149914751327644735
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.918.718.617.717.921.025.326.426.226.328.827.326.726.927.027.327.827.527.326.124.824.523.823.722.721.919.911.210.89.39.25.44.13.12.26.95.44.84.28.38.47.74.15.1

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value751959485620569554136173593468616781649259256753656964886079672766326325571865716468637561417922769574347724804780388206864490698969904284989805964999889812105129776949280457225
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 Assets35.535.934.035.234.237.034.537.536.735.535.138.437.936.935.637.737.636.834.638.338.438.037.445.243.942.942.748.347.448.049.351.351.651.850.154.754.855.555.758.055.455.051.550.1

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value103012231539105710069719088689178608018969758371043822903961113297511381079147616901638161321611744163718532996250025642386228122572156208327722126180422152005166516831774192218943463
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.97.49.36.56.45.85.34.75.04.74.75.15.64.86.14.65.15.66.95.76.76.49.09.69.49.311.910.59.710.817.114.114.713.713.412.612.211.615.711.710.212.812.80.00.00.013.30.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:StatementBusinessSegments

gt:AmericasSegment


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value384190134169203179
Percentage of CashAndCashEquivalentsAtCarryingValue25.020.916.716.217.912.1
Percentage of Assets2.31.10.81.01.21.1
Percentage of Assets gt:AmericasSegment0.00.00.00.00.00.0

gt:AsiaPacificSegment


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value387337278344427415
Percentage of CashAndCashEquivalentsAtCarryingValue25.137.134.733.037.728.1
Percentage of Assets2.32.01.62.02.62.5
Percentage of Assets gt:AsiaPacificSegment0.00.00.00.00.00.0

gt:EuropeMiddleEastandAfricaSegment


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value387214261355310513
Percentage of CashAndCashEquivalentsAtCarryingValue25.123.632.634.027.434.8
Percentage of Assets2.31.21.52.11.93.1
Percentage of Assets gt:EuropeMiddleEastandAfricaSegment0.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-31
Value11341272162411291038103697492698091087396210508881110868969105111891000115315022181
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.47.79.87.06.66.25.75.15.35.05.25.56.15.16.54.95.56.17.25.86.89.112.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value28192159169122511727202519412748247324462030267023882509202526722309227017692649247524822033261624762523212630212841291324353254288030212563355531743530284940083539355027362540
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 Assets13.313.010.213.910.912.111.315.013.413.412.015.213.814.311.915.013.113.210.715.514.714.812.414.914.114.611.718.116.817.013.918.416.617.315.119.818.019.616.222.120.120.617.517.6

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value33142359215321522474291928512965309129402856293829412895278729913184284526272754268626362464254425452538267129243130302128162944313831683250359639403969385640374032333729772443
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 Assets15.614.213.013.315.617.516.616.216.716.116.916.716.916.516.316.818.016.515.916.115.915.715.014.514.514.614.717.618.517.716.116.718.118.119.120.022.422.121.922.322.919.319.017.0

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value356207237235206258234280300246238249265247224242236249190193169178168255239192196358430419397371387467404397379406335341401327
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.21.41.51.31.51.41.51.61.31.41.41.51.41.31.41.31.41.21.11.01.11.01.51.41.11.12.12.52.52.32.12.22.72.42.22.22.31.91.92.32.1

Land

us-gaap:Land

us-gaap:Land


Land
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value437426427433397387413434416412403
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.52.52.52.42.42.32.52.52.32.6

us-gaap:Land us-gaap:PropertyPlantAndEquipmentByType

gt:Owned


Landus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value436425427433397387413433415
Percentage of Land99.899.8100.0100.0100.0100.0100.099.899.8
Percentage of Assets2.62.52.52.52.42.42.32.52.4
Percentage of Assets gt:Owned0.00.00.00.00.00.00.00.00.0

Machinery And Equipment Gross

us-gaap:MachineryAndEquipmentGross

us-gaap:MachineryAndEquipmentGross


Machinery
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1392213654134831344912278117871239212517120821157811602
Percentage of MachineryAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets84.379.579.978.874.471.768.471.471.265.774.2

us-gaap:MachineryAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

gt:AssetsHeldunderFinanceLeases


Machinery
Period End2020-12-312019-12-31
Value2930
Percentage of MachineryAndEquipmentGross0.20.2
Percentage of Assets0.20.2
Percentage of Assets gt:AssetsHeldunderFinanceLeases0.00.0

gt:Owned


Machinery
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value138931362413440134031223211719123221244512036
Percentage of MachineryAndEquipmentGross99.899.899.799.799.699.499.499.499.6
Percentage of Assets84.279.379.778.574.171.368.071.070.9
Percentage of Assets gt:Owned0.00.00.00.00.00.00.00.00.0

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value707372087259745170406777715373206956637561655843
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets42.941.943.043.742.641.239.541.841.036.239.440.5

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

country:CN


Noncurrent
Period End2020-12-312019-12-31
Value742722
Percentage of NoncurrentAssets10.510.0
Percentage of Assets4.54.2
Percentage of Assets country:CN0.00.0

country:DE


Noncurrent
Period End2020-12-312019-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value729653727717778833891788691676771
Percentage of NoncurrentAssets10.39.19.810.211.511.612.211.310.811.013.2
Percentage of Assets4.43.84.34.34.74.65.14.63.94.35.4
Percentage of Assets country:DE0.00.00.00.00.00.00.00.00.00.00.0

country:US


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value251726812734275026512468246423892424236724112305
Percentage of NoncurrentAssets35.637.237.736.937.736.434.432.634.837.139.139.4
Percentage of Assets15.215.616.216.116.115.013.613.614.313.415.416.0
Percentage of Assets country:US0.00.00.00.00.00.00.00.00.00.00.00.0

gt:OtherInternational


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value30853805376332082956276530473219
Percentage of NoncurrentAssets43.652.851.843.142.040.842.644.0
Percentage of Assets18.722.122.318.817.916.816.818.4
Percentage of Assets gt:OtherInternational0.00.00.00.00.00.00.00.0

Construction In Progress Gross

us-gaap:ConstructionInProgressGross

us-gaap:ConstructionInProgressGross


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7376826557218877837339781188849947
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.54.03.94.25.44.84.05.67.04.86.1

us-gaap:ConstructionInProgressGross us-gaap:PropertyPlantAndEquipmentByType

gt:Owned


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value7376816547218877837339781173
Percentage of ConstructionInProgressGross100.099.999.8100.0100.0100.0100.0100.098.7
Percentage of Assets4.54.03.94.25.44.84.05.66.9
Percentage of Assets gt:Owned0.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1119210935109911057610293103241048810457104921028510161101991011010350100789945966293619125920690428934863787008733876390299189937392759158915190609004899188818692883586298727897490688807
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.866.066.665.365.061.961.057.156.856.360.258.058.358.959.155.754.854.455.353.753.653.352.549.749.950.549.955.255.354.352.351.852.151.653.049.549.449.148.948.150.952.556.3

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet us-gaap:BusinessAcquisition

us-gaap:PropertyPlantAndEquipmentNet

gt:CooperTire


Property
Period End2021-06-07
Value1197
Percentage of PropertyPlantAndEquipmentNet100.0
Percentage of Assets0.0
Percentage of Assets gt:CooperTire0.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value874395408393383369565550570563569572576606595587571545535564560574555556563552601623663668668660643647664655644672654670720712683706
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 Assets4.12.42.52.42.42.23.33.03.13.13.43.33.33.43.53.33.23.23.23.33.33.43.43.23.23.23.33.73.93.93.83.73.73.73.93.73.73.73.73.74.14.14.44.9

us-gaap:Goodwill us-gaap:BusinessAcquisition

gt:CooperTire


Goodwillus-gaap:
Period End2021-06-07
Value475
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets gt:CooperTire0.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

gt:AmericasSegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value91919191919193
Percentage of Goodwill22.316.116.015.317.016.415.5
Percentage of Assets0.60.50.50.50.60.60.5
Percentage of Assets gt:AmericasSegment0.00.00.00.00.00.00.0

gt:AsiaPacificSegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value67636367616360
Percentage of Goodwill16.411.211.111.311.411.410.0
Percentage of Assets0.40.40.40.40.40.40.3
Percentage of Assets gt:AsiaPacificSegment0.00.00.00.00.00.00.0

gt:EuropeMiddleEastandAfricaSegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value250411415437383401448
Percentage of Goodwill61.372.772.973.471.672.374.5
Percentage of Assets1.52.42.52.62.32.42.5
Percentage of Assets gt:EuropeMiddleEastandAfricaSegment0.00.00.00.00.00.00.0

us-gaap:Goodwill us-gaap:StatementGeographical

srt:AsiaPacific


Goodwillus-gaap:
Period End2020-09-302020-06-302020-03-31
Value656360
Percentage of Goodwill16.516.416.3
Percentage of Assets0.40.40.4
Percentage of Assets srt:AsiaPacific0.00.00.0

us-gaap:EMEA


Goodwillus-gaap:
Period End2020-09-302020-06-302020-03-31
Value237229218
Percentage of Goodwill60.359.859.1
Percentage of Assets1.51.41.3
Percentage of Assets us-gaap:EMEA0.00.00.0

us-gaap:Goodwill us-gaap:StatementGeographical, us-gaap:BusinessAcquisition

srt:Americas, gt:CooperTire


Goodwillus-gaap:
Period End2021-06-07
Value475
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets srt:Americas gt:CooperTire0.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:BusinessAcquisition, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

gt:CooperTire, us-gaap:TrademarksAndTradeNames


Indefinite
Period End2021-06-07
Value310
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0
Percentage of Assets0.0
Percentage of Assets gt:CooperTire us-gaap:TrademarksAndTradeNames0.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1216134135135135135137134135136136137138140139137137136136138138138138131132137138135137137138138139139140154154157157157161161161164
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 Assets5.70.80.80.80.90.80.80.70.70.70.80.80.80.80.80.80.80.80.80.80.80.80.80.70.80.80.80.80.80.80.80.80.80.80.80.90.90.90.90.90.90.91.01.1

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

gt:TrademarksAndPatents


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4.05.04.05.04.04.05.07.08.010.013
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.10.1
Percentage of Assets gt:TrademarksAndPatents0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1214141610.012129.010.02526
Percentage of FiniteLivedIntangibleAssetsNet300.0280.0350.0320.0250.0300.0240.0128.6125.0250.0200.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.2
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value13831437175219082329205021636811283-12.0
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.48.410.411.214.112.511.90.40.70.5-0.1

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value10258268518528698738558288548620.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets4.85.05.25.35.55.25.04.54.64.70.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value107993895280579494195910551071116011361089804805792714700682668702706676687748744705731654648600600550527534529522517497486472489510518429
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 Assets5.15.75.85.05.05.65.65.85.86.36.76.24.64.64.64.04.04.04.04.14.24.04.24.34.24.14.03.93.83.53.43.13.03.13.12.92.92.82.82.62.83.03.33.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value38583037294523301858264529082651275027372920281928802850280726242774263125892600264326532769257626022612287828273097311230973084321332183223314633243571366833713515335831072278
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 Assets18.218.317.814.411.715.816.914.514.915.017.316.016.616.216.414.715.715.315.715.215.715.816.814.714.915.115.917.018.318.217.717.518.518.419.017.518.919.820.818.619.919.519.915.8

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2423232526242332353739
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.20.20.10.10.20.20.20.2

Debt Current

us-gaap:DebtCurrent

us-gaap:DebtCurrent


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value994776558940129313129101096971961653916621659653654673676681582491390636409357261178136857387176204274198273275445412524518426
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.74.73.45.88.27.95.36.05.35.33.95.23.63.73.83.73.83.94.13.42.92.33.92.32.01.51.00.80.50.40.51.01.21.61.21.51.62.52.32.92.92.7

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value66035333510648934626526652875173508150874781504748334941502549225069491548174800459446014957478347414427473647735025503150255184517553355322538854205881592958195919569453074095
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 Assets31.232.230.930.229.231.530.828.327.527.828.328.727.828.129.427.628.728.629.228.027.227.430.227.327.125.526.228.729.729.428.729.329.830.631.430.030.832.733.632.133.633.034.028.4

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2151891981961921911991972002030.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.01.11.21.21.21.11.21.11.11.10.0

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value84978386587379864873469065369473779582189810261062105510409639938559438868719048859561036108011191083113010671156118211931102109910501103109710551018844
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.04.75.25.45.03.94.33.83.53.84.44.54.75.16.05.96.06.05.85.85.15.65.45.05.25.15.36.26.46.56.26.46.16.67.06.76.36.16.06.16.26.16.55.9

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value725454665334587160235586506659456009576653166038597358865427607557995677519358056047595256595908601461496305676566997034617364336383640549265783546953114914574250244489
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.233.032.336.338.133.529.532.532.531.631.534.334.433.531.834.032.933.031.533.935.935.534.433.734.335.534.840.639.541.235.236.436.736.729.032.231.129.527.931.728.528.7

us-gaap:LongTermDebt us-gaap:LongtermDebtType

gt:FixedRateDebtExcludingCapitalLeases


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value563240504094405942993436343434243409340236093601360436253616358035864209351435403541355038903623407940754132415740684090409040873128
Percentage of LongTermDebt77.674.176.869.171.461.567.857.656.759.067.959.660.361.666.658.961.874.167.761.058.659.668.761.367.866.365.561.460.758.166.363.563.5
Percentage of Assets26.624.424.825.127.220.620.018.718.518.621.420.520.820.621.220.120.324.521.320.621.021.223.720.723.323.522.825.024.023.923.323.118.4
Percentage of Assets gt:FixedRateDebtExcludingCapitalLeases0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

gt:VariableRateDebtExcludingCapitalLeases


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value162214161240181217242150163225212600236417072437236922611811249522131468167922652506240217692285193520742173260826312944208323461798
Percentage of LongTermDebt22.425.923.230.928.638.532.242.443.341.032.140.439.738.433.441.138.225.932.339.041.440.431.338.732.233.734.538.639.341.933.736.536.5
Percentage of Assets7.78.57.511.210.912.99.513.814.112.910.113.913.712.910.614.012.58.510.213.214.914.310.813.011.012.012.015.715.517.211.913.310.6
Percentage of Assets gt:VariableRateDebtExcludingCapitalLeases0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtAndCapitalLeaseObligations


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value7513571255846119626958335315619062576011535360756012592754676115583857165234584960915999565959596067620363646817675570946235649864506474498458184945
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.534.533.837.839.634.930.933.833.932.931.734.534.633.732.034.333.133.231.734.136.135.834.434.034.635.835.140.939.941.535.636.837.137.129.432.428.1

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value69785326543257085688521247535580576655455110560457265600507657375403525747985446574556855120559157465965621667196677704761626366632563074888570853955186478955594786479543194182
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.932.132.935.335.931.227.730.531.230.330.331.933.031.929.732.130.630.629.131.834.133.931.131.932.834.434.340.339.441.235.236.036.436.128.831.830.728.827.230.727.127.827.629.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value97868480808690919494959599101100918685
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.50.50.50.50.50.50.50.50.60.50.60.60.60.50.50.5

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value167713881470131912731254133412441277129913451350136914781515145914081392146013881393143714681426145215091676130713691376267331113133323943403454373238854002322633843415
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.98.48.98.18.07.57.86.86.97.18.07.77.98.48.98.28.08.18.88.18.38.68.98.18.38.79.37.88.18.115.317.618.018.625.619.321.221.622.717.819.221.8

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

country:US, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value254213269337301
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent17.316.020.022.220.6
Percentage of Assets1.51.21.62.01.8
Percentage of Assets country:US us-gaap:PensionPlansDefinedBenefit0.00.00.00.00.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value727672615631568
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent49.550.445.741.738.9
Percentage of Assets4.43.93.63.73.4
Percentage of Assets us-gaap:ForeignPlan us-gaap:PensionPlansDefinedBenefit0.00.00.00.00.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value220225214262269
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent15.016.915.917.318.4
Percentage of Assets1.31.31.31.51.6
Percentage of Assets us-gaap:OtherPostretirementBenefitPlansDefinedBenefit0.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value199180181179180187194200202223206200207225247239236227218227226228222219226227235241244244262251243251255278263288268276284289277251
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.11.11.11.11.11.11.11.11.21.21.11.21.31.41.31.31.31.31.31.31.41.41.31.31.31.31.41.41.41.51.41.41.41.51.51.51.61.51.51.61.71.81.7

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value571483471468449483508534539550471495484498498522535584626716630635661587626696873916934944966995101110141000100099810081041882887849842793
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.72.92.92.92.82.93.02.92.93.02.82.82.82.82.92.93.03.43.84.23.73.84.03.43.64.04.85.55.55.55.55.65.85.85.95.65.75.65.94.95.04.95.45.5

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8436676846856986936686426646670.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets4.04.04.14.24.44.23.93.53.63.70.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value186
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets1.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value146
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.9

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value110
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.7

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value88
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.5

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value376
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets2.3

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-30
Value882867839864
Percentage of OperatingLeaseLiability100.0100.0100.0100.0
Percentage of Assets5.35.04.64.7

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value1151
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets7.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value269
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets1.6

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value42123106307828602833351043514835484748084864480046374737460348824909473345074477418241043920414339703792361018621825159316069527155363701230947863749149914751327644735
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.918.718.617.717.921.025.326.426.226.328.827.326.726.927.027.327.827.527.326.124.824.523.823.722.721.919.911.210.89.39.25.44.13.12.26.95.44.84.28.38.47.74.15.1

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-312007-12-31
Value441132863259303930133697454550355049503150705000484449624850512151454960472547044408433241424362419640193845210320691837186812039587876251508121011511017177517591616921112789698612533150
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.819.819.718.819.022.126.427.527.327.530.028.427.928.228.428.729.228.828.627.426.125.825.224.924.023.221.212.612.210.710.76.85.54.53.78.46.96.45.89.810.09.45.90.00.06.80.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

gt:NonControllingInterestNonRedeemable


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-31
Value199180181179180187194200202223206200207225247218227226228222219226227235241244244262251243251255278263288268276277251
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest4.55.55.65.96.05.14.34.04.04.44.14.04.34.55.14.64.85.15.35.45.05.45.66.111.511.813.314.020.925.431.940.818.421.725.026.415.530.125.5
Percentage of Assets0.91.11.11.11.11.11.11.11.11.21.21.11.21.31.41.31.31.31.41.41.31.31.31.31.41.41.41.51.41.41.41.51.51.51.61.51.51.81.7
Percentage of Assets gt:NonControllingInterestNonRedeemable0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-2772.0-2820.0-2856.0-2899.0-2937.0-2958.0-2983.0-2844.0-2859.0-2893.0-2923.0-2961.0-2976.0-3022.0-3052.0-3004.0-3011.0-3029.0-3053.0-3005.0-3023.0-3055.0-3071.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-62.8-85.8-87.6-95.4-97.5-80.0-65.6-56.5-56.6-57.5-57.7-59.2-61.4-60.9-62.9-58.7-58.5-61.1-64.6-63.9-68.6-70.5-74.1
Percentage of Assets-13.1-17.0-17.3-17.9-18.6-17.7-17.4-15.5-15.5-15.8-17.3-16.8-17.1-17.2-17.9-16.8-17.1-17.6-18.5-17.5-17.9-18.2-18.7
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3.04.05.010.014173.0136.09.07.03.0-9.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.20.30.50.50.10.30.10.20.10.1-0.2
Percentage of Assets0.00.00.00.10.10.10.00.10.00.00.00.0-0.1
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-30
Value8.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.2
Percentage of Assets0.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-4043.0-4132.0-4135.0-4282.0-4302.0-4313.0-4136.0-4073.0-4002.0-4014.0-4076.0-4083.0-4022.0-3867.0-3976.0-4015.0-4052.0-4103.0-4198.0-3957.0-3962.0-3950.0-4010.0-4143.0-3947.0-4560.0-3991.0-3270.0-3372.0-3446.0-1652.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-91.7-125.7-126.9-140.9-142.8-116.7-91.0-80.9-79.3-79.8-80.4-81.7-83.0-77.9-82.0-78.4-78.8-82.7-88.8-84.1-89.9-91.2-96.8-107.8-211.3-729.6-392.4-355.0-342.0-275.0-52.4
Percentage of Assets-19.1-24.9-25.1-26.4-27.2-25.8-24.1-22.3-21.7-22.0-24.2-23.2-23.2-22.0-23.3-22.5-23.0-23.9-25.4-23.1-23.5-23.5-24.4-22.9-22.5-26.9-22.6-20.9-23.40.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-1282.0-1316.0-1284.0-1393.0-1379.0-1372.0-1156.0-1242.0-1149.0-1130.0-1160.0-1125.0-1048.0-835.0-915.0-1000.0-1034.0-1077.0-1155.0-953.0-941.0-893.0-946.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-29.1-40.0-39.4-45.8-45.8-37.1-25.4-24.7-22.8-22.5-22.9-22.5-21.6-16.8-18.9-19.5-20.1-21.7-24.4-20.3-21.3-20.6-22.8
Percentage of Assets-6.1-7.9-7.8-8.6-8.7-8.2-6.7-6.8-6.2-6.2-6.9-6.4-6.0-4.7-5.4-5.6-5.9-6.3-7.0-5.6-5.6-5.3-5.8
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value3086218221712163215421462141213221242114211121252214228022952645309331412847281528082805278327642722
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest70.066.466.671.271.558.047.142.342.142.041.642.545.745.947.356.074.781.7152.4450.4276.1304.6282.3220.686.4
Percentage of Assets14.613.213.213.413.612.912.511.711.511.612.512.112.813.013.416.018.817.316.216.615.917.919.30.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value281235233233233233233233233232232233237240240252267269248245245243242241240
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest6.47.27.17.77.76.35.14.64.64.64.64.74.94.84.95.36.47.013.339.224.126.424.519.27.6
Percentage of Assets1.31.41.41.41.51.41.41.31.31.31.41.31.41.41.41.51.61.51.41.41.41.61.70.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-312007-12-31
Value4212310630782860283335104351483548474808486448004637473746034882490947334507447741824104392041433970379236101862182515931606952715536370123094786374914991475132764485964773510222850
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest95.594.594.494.194.094.995.796.096.095.695.996.095.795.594.995.395.495.495.495.294.994.794.695.094.694.493.988.588.286.786.079.174.668.159.281.678.375.073.684.583.982.169.976.272.274.581.690.5
Percentage of Assets19.918.718.617.717.921.025.326.426.226.328.827.326.726.927.027.327.827.527.326.124.824.523.823.722.721.919.911.210.89.39.25.44.13.12.26.95.44.84.28.38.47.74.10.00.05.10.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value488848214809474647485444611365436492647665976525620860846044580845704343195813701187866108214631540
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest110.8146.7147.6156.2157.6147.3134.5130.0128.6128.7130.1130.5128.2122.6124.6122.9110.3113.0104.8219.2116.794.0109.7116.848.9
Percentage of Assets23.129.129.129.330.032.635.635.835.135.439.137.135.834.635.435.227.824.011.28.16.75.57.50.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312011-03-312010-12-312009-12-31
Value3086218221712163215421462141279528052783
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.613.213.213.413.612.912.516.217.919.3

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value488848214809474647485444611365436492647665976525620860846044617560715949580852474918473545704981472745514343223120871888195817301576139613701370126011761187116910099698661082
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.129.129.129.330.032.635.635.835.135.439.137.135.834.635.434.634.434.635.230.629.228.227.828.427.026.324.013.412.311.011.29.89.18.08.17.67.26.56.76.45.75.65.57.5

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-4043.0-4132.0-4135.0-4282.0-4302.0-4313.0-4136.0-4073.0-4002.0-4014.0-4076.0-4083.0-4022.0-3867.0-3976.0-4015.0-4052.0-4103.0-4198.0-3957.0-3962.0-3950.0-4010.0-4210.0-4143.0-4174.0-4143.0-3919.0-3830.0-3883.0-3947.0-4363.0-4431.0-4424.0-4560.0-3702.0-3870.0-3867.0-3991.0-3219.0-3079.0-3181.0-3270.0-3372.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-19.1-24.9-25.1-26.4-27.2-25.8-24.1-22.3-21.7-22.0-24.2-23.2-23.2-22.0-23.3-22.5-23.0-23.9-25.4-23.1-23.5-23.5-24.4-24.0-23.7-24.1-22.9-23.5-22.6-22.7-22.5-24.7-25.5-25.3-26.9-20.6-22.0-21.5-22.6-17.8-17.5-18.4-20.9-23.4

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value199180181179180187194200202223206200207225247239236227218227226228222219226227235241244244262251243251255278263288268276284289277251
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.11.11.11.11.11.11.11.11.21.21.11.21.31.41.31.31.31.31.31.31.41.41.31.31.31.31.41.41.41.51.41.41.41.51.51.51.61.51.51.61.71.81.7

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value9380.00.00.00.0484
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.00.00.00.0100.0
Percentage of Assets0.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-30
Value892
Percentage of StockIssuedDuringPeriodValueNewIssues95.1
Percentage of Assets0.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.0

us-gaap:CommonStock


Stock
Period End2021-06-30
Value46
Percentage of StockIssuedDuringPeriodValueNewIssues4.9
Percentage of Assets0.0
Percentage of Assets us-gaap:CommonStock0.0

us-gaap:Parent


Stock
Period End2021-06-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value9380.00.00.00.00.00.0484
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.00.00.00.00.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value211-282.01354581-259.0-561.0134615273-364.094060305-389.0131231101-286.01267357261-381.01052361536-262.01279195409-1543.01236164475-937.01367122303-754.01745-303.0-236.0-433.0841-100.060123
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.3-8.037.016.8-12.1-18.436.34.02.0-10.124.31.57.9-10.232.20.82.7-7.733.99.36.7-10.325.98.612.8-6.529.44.28.8-34.525.83.39.7-19.327.12.35.9-13.630.7-5.0-4.2-8.016.6-2.01.32.9

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2053.0-180.0-152.0-125.0-133.0-257.0-216.0-165.0-175.0-244.0-203.0-194.0-222.0-248.0-204.0-177.0-228.0-270.0-266.0-242.0-208.0-257.0-588.0-205.0-289.0-180.0-246.0-184.0-210.0-211.0-411.0-223.0-219.0-283.0-323.0-288.0-217.0-295.0-187.0-232.0-133.0-350.0-285.0-221.0-192.0-161.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-51.6-5.1-4.2-3.6-6.2-8.4-5.8-4.3-4.8-6.8-5.2-4.9-5.8-6.5-5.0-4.5-6.2-7.3-7.1-6.3-5.4-7.0-14.5-4.9-6.9-4.5-5.6-4.0-4.5-4.7-8.6-4.5-4.5-5.8-6.4-5.5-4.2-5.3-3.3-3.8-2.4-6.5-5.6-4.5-4.2-3.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1676144-752.0-369.0385939-1096.0-22.0166645-820.058120399-872.03128398-804.0-281.012213-679.0-39.0-233.0-34.0-574.0187-419.0795-318.0-20.0-42.01462-1024.025517326-881.0948-47.0974-217.02317986
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax42.14.1-20.6-10.618.030.7-29.5-0.64.617.9-21.21.53.110.4-21.40.80.810.8-21.5-7.30.35.8-16.7-0.9-5.6-0.8-13.24.0-9.017.8-6.6-0.4-0.930.1-20.34.80.35.9-15.515.6-0.818.0-4.34.71.72.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-138.0-352.0495912.06248-54.07037-89.0-88.0162-222.0242-101.0-82.0-138.0189-153.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.5-10.013.52.60.12.01.3-1.41.91.0-2.3-2.24.2-5.85.9-2.6-2.2-3.75.1-4.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-48.0-18.013-48.0-177.0235356-2.0-8.0-23.072114-38.0-17.0352-12.05.040-260.0-56.04146-186.0948091-2031.06220-21.0-37.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value208197194193276196211195196193189197193199195199202185191181181174176173177172179182188183183182180177174176167170168173192182165166162159
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19526-634.0538-242.0206-856.034020425-635.03328.0467-660.0337-8.0478-781.015318399-613.0205-56.0495-750.0299-80.0456-807.0337-109.0500-1020.0352-258.0635-1082.0718-53.0754-677.043088340
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value284258-58.0-351.0-474.0170-172.0-67.014093-83.03214181-210.0-228.0291191-64.06060116-8.08421-8.0-191.0-92.0104214-117.0-227.09.0-31.0-362.0-373.06848-145.0194668292-11.0-45.0292300
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value133-105.0-23.0-27.0-56.0-89.0-8.0-76.021-10.019-49.0-73.037-6.0-48.068291.0112271-44.03012-87.012-88.0-52.0526554-46.0268057-38.088134-94.025145999-82.0-57.0
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value211-282.01354581-259.0-561.0134615273-364.094060305-389.0131231101-286.01267357261-381.01052361536-262.01279195409-1543.01236164475-937.01367122303-754.01745-303.0-236.0-433.0841-100.060123
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.3-8.037.016.8-12.1-18.436.34.02.0-10.124.31.57.9-10.232.20.82.7-7.733.99.36.7-10.325.98.612.8-6.529.44.28.8-34.525.83.39.7-19.327.12.35.9-13.630.7-5.0-4.2-8.016.6-2.01.32.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value671263-2.0-696.0-619.0-392.08854-61.011035115775-96.0129147166561317202184-380.02711922242129161213-51.0235173188337.011792-4.02516847103-177.0-20.028-47.0
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 RevenueFromContractWithCustomerExcludingAssessedTax1.70.31.7-0.1-32.5-20.3-10.62.31.5-1.72.88.94.12.0-2.43.34.04.515.08.25.25.0-9.46.54.65.648.93.54.6-1.14.93.53.80.70.12.21.8-0.10.42.80.81.9-3.5-0.40.6-1.1

us-gaap:NetIncomeLoss us-gaap:BusinessAcquisition

gt:CooperTire


Net
Period End2021-06-07
Value-6.0
Percentage of NetIncomeLoss0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:CooperTire0.0

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value4125333825222423-24.0-23.0230-36.0-32.0-30.0175-34.0-17.0191617-26.0-13.0-496.0-13.0-13.0-14.013-30.0-21.0-70.0-56.0-54.0-59.0-60.0
Percentage of NetIncomeLoss61.2208.352.4-1900.0-3.6-3.6-6.126.1-44.437.7209.1-10.3-20.4-40.0-182.3-26.4-11.611.42.95.4-12.9-7.1130.5-4.8-6.8-6.20.6-18.6-9.9137.3-23.8-31.2-31.4-181.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.70.91.11.20.70.60.6-0.7-0.65.9-0.9-0.8-0.84.3-0.9-0.50.50.40.4-0.7-0.4-12.2-0.3-0.3-0.30.3-0.6-0.5-1.6-1.2-1.1-1.2-1.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value412735412926-30.0-26.0-26.0-26.0-33.0-35.0-30.0-27.0176-33.0-19.0201617-31.016-332.0-18.0-19.0-18.013-25.0-24.0-69.0-56.0-53.0-58.0
Percentage of NetIncomeLoss61.2225.055.6-2050.0-4.2-4.27.7-29.5-48.142.6-30.0-10.0-19.1-36.0-183.3-25.6-12.912.02.95.4-15.38.787.4-6.6-9.9-8.00.6-15.5-11.3135.3-23.8-30.6-30.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.81.01.21.40.9-0.8-0.7-0.7-0.7-0.9-0.9-0.8-0.74.3-0.8-0.50.50.40.4-0.80.4-8.2-0.4-0.5-0.40.3-0.5-0.5-1.5-1.2-1.1-1.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.0-2.0-2.0-3.0-4.0-4.0-6.0-3.0-2.0-3.01.01.0
Percentage of NetIncomeLoss6.0-16.7-3.2150.00.60.61.5-3.4-3.74.90.90.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.1-0.1-0.1-0.2-0.1-0.2-0.1-0.1-0.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7118673.0-703.0-617.0-399.09056-44.011035416480-90.0132154169567320208189-373.03052082362128199232-38.025619519331-7.01331038.02621156124-166.0-13.039-24.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.80.51.80.1-32.8-20.2-10.72.41.5-1.22.89.04.32.1-2.23.44.24.615.28.35.45.1-9.27.35.05.948.94.35.0-0.95.33.93.90.6-0.12.52.00.10.53.51.02.3-3.3-0.30.9-0.6

us-gaap:ProfitLoss us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementGeographical

gt:TireHubLimitedLiabilityCompany, country:US


Profit
Period End2020-09-302020-06-302019-09-302019-06-30
Value-4.0-14.0-4.0-15.0
Percentage of ProfitLoss-133.32.0-4.4-26.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.7-0.1-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:TireHubLimitedLiabilityCompany country:US0.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

gt:NonControllingInterestNonRedeemable


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value4.06.05.0-7.02.02.02.0173.07.05.06.03.06.05.03.07.09.03.03.07.06.07.01910.010.06.09.08.010.08.01.0
Percentage of ProfitLoss5.633.3166.71.0-0.32.23.6-38.60.84.36.21.10.92.92.6-0.82.34.31.30.13.52.6-18.47.45.15.219.4-128.66.09.7100.03.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.20.1-0.30.10.10.10.50.10.20.10.20.10.20.10.10.20.20.10.10.20.10.20.40.20.20.10.20.20.20.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gt:NonControllingInterestNonRedeemable0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value6712-2.0-696.0-619.08854-61.011035115775-96.0129147166561317202184-380.02711922242129161213-51.0235173188337.011792-4.025
Percentage of ProfitLoss94.466.7-66.799.0100.397.896.4138.6100.099.295.793.8106.797.795.598.298.999.197.197.4101.988.992.394.9100.080.991.8134.291.888.797.4106.5-100.088.089.3-50.096.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.70.3-0.1-32.5-20.32.31.5-1.72.88.94.12.0-2.43.34.04.515.08.25.25.0-9.46.54.65.648.93.54.6-1.14.93.53.80.70.12.21.8-0.10.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value6712-2.0-696.0-619.08854-61.035115775
Percentage of ProfitLoss94.466.7-66.799.0100.397.896.4138.699.295.793.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.70.3-0.1-32.5-20.32.31.5-1.78.94.12.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2053.0-180.0-152.0-125.0-133.0-257.0-216.0-165.0-175.0-244.0-203.0-194.0-222.0-248.0-204.0-177.0-228.0-270.0-266.0-242.0-208.0-257.0-588.0-205.0-289.0-180.0-246.0-184.0-210.0-211.0-411.0-223.0-219.0-283.0-323.0-288.0-217.0-295.0-187.0-232.0-133.0-350.0-285.0-221.0-192.0-161.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-51.6-5.1-4.2-3.6-6.2-8.4-5.8-4.3-4.8-6.8-5.2-4.9-5.8-6.5-5.0-4.5-6.2-7.3-7.1-6.3-5.4-7.0-14.5-4.9-6.9-4.5-5.6-4.0-4.5-4.7-8.6-4.5-4.5-5.8-6.4-5.5-4.2-5.3-3.3-3.8-2.4-6.5-5.6-4.5-4.2-3.8

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value200185160124152211209160180221196173194248198186226271285245213253327208244204289193212229434241222271339298214276237274248284326260217141
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1676144-752.0-369.0385939-1096.0-22.0166645-820.058120399-872.03128398-804.0-281.012213-679.0-39.0-233.0-34.0-574.0187-419.0795-318.0-20.0-42.01462-1024.025517326-881.0948-47.0974-217.02317986
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax42.14.1-20.6-10.618.030.7-29.5-0.64.617.9-21.21.53.110.4-21.40.80.810.8-21.5-7.30.35.8-16.7-0.9-5.6-0.8-13.24.0-9.017.8-6.6-0.4-0.930.1-20.34.80.35.9-15.515.6-0.818.0-4.34.71.72.0

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value41616943091056269821881145131816291850175111601892165214911516161818388598462198108515541495006161034252101104-239.0375571558489776115911071681113973917125137450201
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value252851491012702279160020671313140512232477105917071226214912881536136914081094210982218461576846285012315512722121561781395512102778397624210094233261165-17.081
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

gt:EightPointSevenFivePercentNotesDueInTwoThousandTwenty, us-gaap:SeniorNotes


Repayments
Period End2020-08-17
Value282
Percentage of RepaymentsOfLongTermDebt0.0

gt:FivePointOneTwoFivePercentNotesDueInTwoThousandTwentyThree, us-gaap:SeniorNotes


Repayments
Period End2021-05-06
Value1000
Percentage of RepaymentsOfLongTermDebt0.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.00.00.037373737373833333435252525261819191917161617171412120.00.00.0
Percentage of PaymentsOfDividendsCommonStock0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsOfDividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:CommonStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.037
Percentage of PaymentsOfDividendsCommonStock0.00.00.0100.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateStatedPercentage

gt:FivePercentNotesDueInTwoThousandTwentySix, us-gaap:SeniorNotes


Debt
Period End2021-06-302020-12-312016-12-312016-09-302016-06-302016-05-312015-12-31
Value5.05.00.050.050.050.050.05
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations gt:FivePercentNotesDueInTwoThousandTwentySix us-gaap:SeniorNotes0.00.00.00.00.00.00.0

gt:NinePointFivePercentNotesDueInTwoThousandTwentyFive, us-gaap:SeniorNotes


Debt
Period End2021-06-302020-12-312020-06-302020-05-182019-12-31
Value9.59.50.0950.0950.095
Percentage of DebtInstrumentInterestRateStatedPercentage190.0190.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations gt:NinePointFivePercentNotesDueInTwoThousandTwentyFive us-gaap:SeniorNotes0.00.00.00.00.0

gt:SevenPercentNotesDueInTwoThousandTwentyEight, us-gaap:SeniorNotes


Debt
Period End2021-06-302020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value7.07.00.070.070.070.070.070.070.070.070.070.070.070.070.070.070.070.070.070.070.070.07
Percentage of DebtInstrumentInterestRateStatedPercentage140.0140.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0140.0140.0140.00.0140.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations gt:SevenPercentNotesDueInTwoThousandTwentyEight us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value15.9720.6120.1419.9118.2117.1516.7515.4514.7514.8415.11
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardDate

gt:AllOtherGrantDates


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value21.4520.2719.3119.519.4318.65
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice134.398.495.997.9106.7108.7

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 End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0100000.000200000.0-46205.00100000.0400000.0-4417.000200000.0-35004.000200000.0-5892.000200000.025392.000200000.043199.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0100.00.00.0100.0100.00.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value100000.0500000.0200000.0100000.0300000.0100000.0100000.01500000.000800000.000100000.0100000.00200000.000200000.0100000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0500.00.00.0150.00.0100.0375.00.00.0400.00.00.050.00.00.0100.00.00.0100.00.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1879190422282344294926532781498496448388
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsNet us-gaap:IncomeTaxAuthority

gt:DomesticAndStateAndLocalAuthority


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value8001200120012001200
Percentage of DeferredTaxAssetsNet0.00.063.90.063.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value8582715263548188829087112143
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 End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value14699823173183266216322968339331323113
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:IncomeTaxAuthority

gt:DomesticAndStateAndLocalAuthority


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value36836836830830830813
Percentage of DeferredTaxAssetsValuationAllowance0.00.025.10.00.00.01.3

us-gaap:DomesticCountry


Deferred
Period End2020-12-312019-09-302019-06-302019-03-312018-12-312016-12-312015-12-312014-12-312013-12-31
Value1511411311311313998142400
Percentage of DeferredTaxAssetsValuationAllowance1.00.00.00.035.642.615.82.280.9

us-gaap:ForeignCountry


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1100100011001000993939969226233222204230187523618568
Percentage of DeferredTaxAssetsValuationAllowance0.00.074.90.00.00.098.70.00.00.064.472.357.484.297.819.1

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:StatementGeographical, us-gaap:IncomeTaxAuthority

country:LU, us-gaap:ForeignCountry


Deferred
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value923978924893850
Percentage of DeferredTaxAssetsValuationAllowance0.066.60.00.00.0

Proceeds From Sale Of Short Term Investments

us-gaap:ProceedsFromSaleOfShortTermInvestments

us-gaap:ProceedsFromSaleOfShortTermInvestments


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value17412525424.0390.036317.023308.0328.032112611230.0444.00.021133611358.0332622186.0
Percentage of ProceedsFromSaleOfShortTermInvestments100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:AdjustmentsRelatedToAccruedFreightCharges

gt:AdjustmentsRelatedToAccruedFreightCharges


Adjustments
Period End2021-06-30
Value8000000.0
Percentage of AdjustmentsRelatedToAccruedFreightCharges100.0

gt:BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsBeforeNetOfTax

gt:BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsBeforeNetOfTax


Business
Period End2021-06-302020-06-30
Value232-957.0
Percentage of BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsBeforeNetOfTax100.0100.0

gt:BusinessCombinationStockAcquired us-gaap:AwardType, us-gaap:BusinessAcquisition

gt:BusinessCombinationStockAcquired

us-gaap:StockCompensationPlan, gt:CooperTire


Business
Period End2021-06-07
Value0.269238
Percentage of BusinessCombinationStockAcquired100.0

gt:BusinessCombinationStockAcquired us-gaap:BusinessAcquisition

gt:CooperTire


Business
Period End2021-06-07
Value50
Percentage of BusinessCombinationStockAcquired18865.5

gt:BusinessCombinationStockAcquired us-gaap:BusinessAcquisition, us-gaap:StatementEquityComponents

gt:CooperTire, us-gaap:CommonStock


Business
Period End2021-06-07
Value50
Percentage of BusinessCombinationStockAcquired18765.5

gt:BusinessCombinationStockAcquiredNetOfSettlement us-gaap:BusinessAcquisition

gt:BusinessCombinationStockAcquiredNetOfSettlement

gt:CooperTire


Business
Period End2021-06-07
Value50
Percentage of BusinessCombinationStockAcquiredNetOfSettlement100.0

gt:CARESActOf2020RefundableAlternativeMinimumTaxCreditCarryforwards

gt:CARESActOf2020RefundableAlternativeMinimumTaxCreditCarryforwards


C
Period End2020-09-30
Value5000000.0
Percentage of CARESActOf2020RefundableAlternativeMinimumTaxCreditCarryforwards100.0

gt:ChargesRelatedToFinancingFeesAndFinancialInstruments

gt:ChargesRelatedToFinancingFeesAndFinancialInstruments


Charges
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value177.08.06.05.07.08.08.010.08.09.09.09.09.07.08.0328.08.07.05216661415163117151415141413131434958.09.0639.012637.0
Percentage of ChargesRelatedToFinancingFeesAndFinancialInstruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:ContractwithCustomerLiabilityRevenueDeferredDuringPeriod

gt:ContractwithCustomerLiabilityRevenueDeferredDuringPeriod


Contractwith
Period End2021-06-302021-03-312020-12-31
Value363552
Percentage of ContractwithCustomerLiabilityRevenueDeferredDuringPeriod100.0100.0100.0

gt:CorporateIncentiveCompensationPlans

gt:CorporateIncentiveCompensationPlans


Corporate
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value249.020147.03.02213142622132823192729343510.02225157.0-27.0-8.0-21.014-26.0-18.0-20.0
Percentage of CorporateIncentiveCompensationPlans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:DefinedBenefitPlanCreditForCurtailmentsAndSettlements us-gaap:IncomeStatementLocation

gt:DefinedBenefitPlanCreditForCurtailmentsAndSettlements

gt:Rationalizations


Defined
Period End2020-12-312020-09-302020-06-302020-03-31
Value2.02.0-3.04.0
Percentage of DefinedBenefitPlanCreditForCurtailmentsAndSettlements100.0100.0100.0100.0

gt:DefinedBenefitPlanCreditForCurtailmentsAndSettlements us-gaap:IncomeStatementLocation, us-gaap:RestructuringPlan

gt:Rationalizations, gt:PlansInitiatedInPriorYears


Defined
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.04.04.0
Percentage of DefinedBenefitPlanCreditForCurtailmentsAndSettlements0.00.0-133.3100.0

gt:DefinedBenefitPlanCurtailmentsAndSettlements

gt:DefinedBenefitPlanCurtailmentsAndSettlements


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-1.0161.02.05.01.00.00.09.010.06.0124.0-1.01370.02.00.00.00.00.039
Percentage of DefinedBenefitPlanCurtailmentsAndSettlements100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.00.0100.0

gt:DefinedBenefitPlanNetPeriodicBenefitCostBeforeCurtailmentsSettlementsandTerminationBenefits us-gaap:RetirementPlanSponsorLocation

gt:DefinedBenefitPlanNetPeriodicBenefitCostBeforeCurtailmentsSettlementsandTerminationBenefits

country:US


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value4.07.01213121616171314147.09.09.06.05.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCostBeforeCurtailmentsSettlementsandTerminationBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value17161817181717171414141414131312
Percentage of DefinedBenefitPlanNetPeriodicBenefitCostBeforeCurtailmentsSettlementsandTerminationBenefits425.0228.6150.0130.8150.0106.2106.2100.0107.7100.0100.0200.0155.6144.4216.7240.0

gt:DefinedBenefitPlanNonServiceCost

gt:DefinedBenefitPlanNonServiceCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value32172039252633282730293325341726118.0
Percentage of DefinedBenefitPlanNonServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:DefinedBenefitPlanPensionSettlementAndTerminationBenefits us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

gt:DefinedBenefitPlanPensionSettlementAndTerminationBenefits

us-gaap:ForeignPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-09-30
Value2000000.0
Percentage of DefinedBenefitPlanPensionSettlementAndTerminationBenefits100.0

gt:EffectiveIncomeTaxRateReconciliationDiscreteAdjustmentsOtherAmount

gt:EffectiveIncomeTaxRateReconciliationDiscreteAdjustmentsOtherAmount


Effective
Period End2020-12-31
Value8.0
Percentage of EffectiveIncomeTaxRateReconciliationDiscreteAdjustmentsOtherAmount100.0

gt:EntitledToReceiveCashPerShare us-gaap:Ownership, us-gaap:TypeOfArrangement

gt:EntitledToReceiveCashPerShare

gt:GoodyearCooperTireRubberCompany, gt:AgreementAndPlanOfMerger


Entitled
Period End2021-02-22
Value41.75
Percentage of EntitledToReceiveCashPerShare100.0

gt:ExpenseRelatedToValuationOfInventory

gt:ExpenseRelatedToValuationOfInventory


Expense
Period End2021-03-31
Value20
Percentage of ExpenseRelatedToValuationOfInventory100.0

gt:FixedExchangeRatioOfShare us-gaap:Ownership, us-gaap:TypeOfArrangement

gt:FixedExchangeRatioOfShare

gt:GoodyearCooperTireRubberCompany, gt:AgreementAndPlanOfMerger


Fixed
Period End2021-02-22
Value0.907
Percentage of FixedExchangeRatioOfShare100.0

gt:GainLossOnDispositionOfAssetsAndDeconsolidation us-gaap:ConsolidationItems

gt:GainLossOnDispositionOfAssetsAndDeconsolidation

us-gaap:OperatingSegments


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.0-3.01.011-1.01.05.0
Percentage of GainLossOnDispositionOfAssetsAndDeconsolidation0.00.0100.0100.0100.0100.0100.0100.0

gt:GainLossOnDispositionOfAssetsAndDeconsolidation us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gt:EuropeMiddleEastandAfricaSegment


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.0-3.01.011-1.01.05.0
Percentage of GainLossOnDispositionOfAssetsAndDeconsolidation0.00.0100.0100.0100.0100.0100.0100.0

gt:GeneralAndProductLiabilityDiscontinuedProductsGainsLosses

gt:GeneralAndProductLiabilityDiscontinuedProductsGainsLosses


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2.01.05.01.02.02.01.02.02.06.06.05.0-3.01.00.0-3.01.02.0-13.02.0-14.0
Percentage of GeneralAndProductLiabilityDiscontinuedProductsGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

gt:GoodwillAndOtherAssetImpairments

gt:GoodwillAndOtherAssetImpairments


Goodwill
Period End2020-12-312020-09-302020-06-302019-06-30
Value0.00.01480.0
Percentage of GoodwillAndOtherAssetImpairments0.00.0100.00.0

gt:GoodwillAndOtherAssetImpairments us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gt:AmericasSegment


Goodwill
Period End2020-09-302020-06-302019-06-30
Value0.01480.0
Percentage of GoodwillAndOtherAssetImpairments0.0100.00.0

gt:InterestIncomeTaxSettlement

gt:InterestIncomeTaxSettlement


Interest
Period End2021-06-30
Value48
Percentage of InterestIncomeTaxSettlement100.0

gt:InventoryStepUpToEstimatedFairValue us-gaap:BusinessAcquisition, us-gaap:FairValueByAssetClass

gt:InventoryStepUpToEstimatedFairValue

gt:CooperTire, gt:Inventory


Inventory
Period End2021-06-07
Value109
Percentage of InventoryStepUpToEstimatedFairValue100.0

gt:MiscellaneousOtherIncomeExpense

gt:MiscellaneousOtherIncomeExpense


Miscellaneous
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-5.07.02.02.02.0173.0-1.0-2.08.01.0217.04.0140.01.0124.0-3.03.0-1.03.00.04.0-12.020118.02.03.03.00.06.0-2.0241.010.03.01.01.0293.0
Percentage of MiscellaneousOtherIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:NetForeignCurrencyExchangeGainsLossesIncludeExpenseRelatedToOutOfPeriodAdjustments

gt:NetForeignCurrencyExchangeGainsLossesIncludeExpenseRelatedToOutOfPeriodAdjustments


Net
Period End2021-03-31
Value7000000.0
Percentage of NetForeignCurrencyExchangeGainsLossesIncludeExpenseRelatedToOutOfPeriodAdjustments100.0

gt:NonCashFinancingAdditions

gt:NonCashFinancingAdditions


Non
Period End2020-12-31
Value1000000.0
Percentage of NonCashFinancingAdditions100.0

gt:OtherExpense us-gaap:ConsolidationItems

gt:OtherExpense

gt:CorporateAndEliminations


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2818117.0-2.024121412182.01215132214167.03117179.0
Percentage of OtherExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:PaymentsToAcquireBusinessesCashPaidForStockAcquired us-gaap:BusinessAcquisition

gt:PaymentsToAcquireBusinessesCashPaidForStockAcquired

gt:CooperTire


Payments
Period End2021-06-07
Value2121
Percentage of PaymentsToAcquireBusinessesCashPaidForStockAcquired100.0

gt:PensionContributionsAndDirectPayments

gt:PensionContributionsAndDirectPayments


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value139.0167.01419281914181814212123222025182323252626252646353412239079859081942631131147311589171571218839
Percentage of PensionContributionsAndDirectPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:PropertyPlantAndEquipmentStepUpEstimatedFairValue us-gaap:BusinessAcquisition, us-gaap:FairValueByAssetClass

gt:PropertyPlantAndEquipmentStepUpEstimatedFairValue

gt:CooperTire, us-gaap:PropertyPlantAndEquipment


Property
Period End2021-06-07
Value175
Percentage of PropertyPlantAndEquipmentStepUpEstimatedFairValue100.0

gt:RestrictedCashAcquiredFromAcquisition us-gaap:BusinessAcquisition

gt:RestrictedCashAcquiredFromAcquisition

gt:CooperTire


Restricted
Period End2021-06-07
Value68
Percentage of RestrictedCashAcquiredFromAcquisition100.0

gt:RestructuringAndRelatedCostIncreaseInEstimatedPlanCost us-gaap:RestructuringCostAndReserve

gt:RestructuringAndRelatedCostIncreaseInEstimatedPlanCost

gt:ModernizingTireManufacturingFacilitiesInGermany


Restructuring
Period End2021-06-302021-03-31
Value8.021
Percentage of RestructuringAndRelatedCostIncreaseInEstimatedPlanCost100.0100.0

gt:RestructuringAndRelatedCostIncreaseInEstimatedPlanCost us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

us-gaap:FacilityClosing, gt:PlanToPermanentlyCloseGadsdenAlabamaManufacturingFacility


Restructuring
Period End2021-03-31
Value32
Percentage of RestructuringAndRelatedCostIncreaseInEstimatedPlanCost152.4

gt:RestructuringAndRelatedCostIncreaseInEstimatedPlanCost us-gaap:RestructuringPlan

gt:PlanToPermanentlyCloseGadsdenAlabamaManufacturingFacility


Restructuring
Period End2021-03-31
Value32
Percentage of RestructuringAndRelatedCostIncreaseInEstimatedPlanCost152.4

gt:RestructuringChargesExcludingReversalsAndPensionGains

gt:RestructuringChargesExcludingReversalsAndPensionGains


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value18502623941373225.0104116.05.0424037
Percentage of RestructuringChargesExcludingReversalsAndPensionGains100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:RestructuringChargesExcludingReversalsAndPensionGains us-gaap:RestructuringCostAndReserve

gt:AssociateRelatedCosts


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8.0401416918.068170.01008.03.02.0343325
Percentage of RestructuringChargesExcludingReversalsAndPensionGains44.480.053.869.696.861.593.277.30.096.272.750.040.081.082.567.6

gt:OtherExitCosts


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value10.010.0127.03.05.05.05.05.04.0
Percentage of RestructuringChargesExcludingReversalsAndPensionGains55.620.046.230.43.238.56.822.7100.03.8

gt:RestructuringReserveSettledWithCashAndNonCashConsiderations

gt:RestructuringReserveSettledWithCashAndNonCashConsiderations


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value3989-35.0-37.0-25.0-77.09.01912212421311015533228-171.03539456774491310.0193137120-22.0-28.0230-109.0
Percentage of RestructuringReserveSettledWithCashAndNonCashConsiderations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:RestructuringReserveSettledWithCashAndNonCashConsiderations us-gaap:RestructuringCostAndReserve

gt:AssociateRelatedCosts


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value2979-23.0-30.0-22.0-72.03.0156.017211727934720184-139.02833345754415.05.08.0242982-15.0-19.0154-60.0
Percentage of RestructuringReserveSettledWithCashAndNonCashConsiderations74.488.865.781.188.093.533.378.950.081.087.581.087.192.185.560.680.781.380.084.675.685.173.083.738.550.042.177.478.468.368.267.967.055.0

gt:OtherExitCosts


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value10.010.0-12.0-7.0-3.0-5.06.04.06.04.0
Percentage of RestructuringReserveSettledWithCashAndNonCashConsiderations25.611.234.318.912.06.566.721.150.019.0

gt:RetainedExpensesOfDivestedOperations us-gaap:ConsolidationItems

gt:RetainedExpensesOfDivestedOperations

us-gaap:MaterialReconcilingItems


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4.03.03.02.01.02.03.01.03.03.02.02.02.03.04.03.03.03.06.02.05.05.08.02.02.02.0
Percentage of RetainedExpensesOfDivestedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:SegmentAssetWriteOffsAndAcceleratedDepreciation

gt:SegmentAssetWriteOffsAndAcceleratedDepreciation


Segment
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value114.0864.0131.01.00.02.00.01.01.01.010.0218.010.03.05.02.03.03.00.03.04.00.02.01.08.05.05.05.01.0134.02.04.012259.02.04.06.0
Percentage of SegmentAssetWriteOffsAndAcceleratedDepreciation100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:SegmentAssetWriteOffsAndAcceleratedDepreciation us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Segment
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value114.0864.0131.01.00.02.00.01.01.01.010.0218.010.03.05.02.03.03.00.03.0
Percentage of SegmentAssetWriteOffsAndAcceleratedDepreciation100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

gt:SegmentAssetWriteOffsAndAcceleratedDepreciation us-gaap:StatementBusinessSegments

gt:AmericasSegment


Segment
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312017-12-312017-09-302016-12-312016-09-302015-12-312015-09-30
Value10.04.0864.00.00.00.00.00.01.00.00.0
Percentage of SegmentAssetWriteOffsAndAcceleratedDepreciation90.9100.0100.0100.00.00.00.00.00.033.30.00.0

gt:EuropeMiddleEastandAfricaSegment


Segment
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1.00.00.00.01.01.00.02.00.01.01.01.010.0218.010.02.05.02.03.03.0
Percentage of SegmentAssetWriteOffsAndAcceleratedDepreciation9.10.00.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.066.7100.0100.0100.0100.0

gt:WriteOffOfPreviouslyCapitalizedBridgeFacilityFees

gt:WriteOffOfPreviouslyCapitalizedBridgeFacilityFees


Write
Period End2021-06-30
Value10000000.0
Percentage of WriteOffOfPreviouslyCapitalizedBridgeFacilityFees100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.03.02.03.04.02.03.03.05.04.04.03.05.03.04.03.0113.05.04.0137.0171.03.02.02.02.04.06.05.05.03.05.03.04.027335.05.0195.05.0126.04.0
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss


Business
Period End2021-06-302020-06-30
Value167-748.0
Percentage of BusinessAcquisitionsProFormaNetIncomeLoss100.0100.0

us-gaap:BusinessAcquisitionsProFormaRevenue

us-gaap:BusinessAcquisitionsProFormaRevenue


Business
Period End2021-06-302020-06-30
Value45632655
Percentage of BusinessAcquisitionsProFormaRevenue100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

gt:CooperTire


Business
Period End2021-06-07
Value3100
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentInventory us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentInventory

gt:CooperTire


Business
Period End2021-06-07
Value230
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentInventory100.0

us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed

us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed


Business
Period End2021-06-302021-03-31
Value328.0
Percentage of BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed100.0100.0

us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed us-gaap:IncomeStatementLocation

us-gaap:OtherNonoperatingIncomeExpense


Business
Period End2021-06-30
Value48
Percentage of BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed150.0

us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsExpensesAndLossesRecognized us-gaap:IncomeStatementLocation

us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsExpensesAndLossesRecognized

us-gaap:OtherNonoperatingIncomeExpense


Business
Period End2021-06-30
Value42
Percentage of BusinessCombinationSeparatelyRecognizedTransactionsExpensesAndLossesRecognized100.0

us-gaap:CashAcquiredFromAcquisition us-gaap:BusinessAcquisition

us-gaap:CashAcquiredFromAcquisition

gt:CooperTire


Cash
Period End2021-06-07
Value231
Percentage of CashAcquiredFromAcquisition100.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths


Cash
Period End2021-06-302021-03-312020-12-31
Value-1000000.02000000.0-6000000.0
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-31
Value-39.0-37.0-56.0
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

gt:FirstLienRevolvingCreditFacilityDue2026, us-gaap:LineOfCredit, gt:AlternativeBaseRate


Debt
Period End2021-06-07
Value125.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

gt:FirstLienRevolvingCreditFacilityDue2026, us-gaap:LineOfCredit, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-06-07
Value50.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate140.0

us-gaap:DebtInstrumentRedemptionPricePercentage us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentRedemptionPricePercentage

gt:FivePercentNotesDueInTwoThousandTwentyNine, gt:DebtInstrumentRedemptionAfterToAprilTwoThousandTwentyNine, us-gaap:SeniorNotes


Debt
Period End2021-05-18
Value100.0
Percentage of DebtInstrumentRedemptionPricePercentage100.0

gt:FivePointSixTwoFivePercentNotesDueInTwoThousandThirtyThree, gt:DebtInstrumentRedemptionAfterToJanuaryTwoThousandThirtyThree, us-gaap:SeniorNotes


Debt
Period End2021-04-06
Value100.0
Percentage of DebtInstrumentRedemptionPricePercentage0.0

gt:FivePointTwoFivePercentNotesDueInAprilTwoThousandThirtyOne, gt:DebtInstrumentRedemptionAfterToJanuaryTwoThousandThirtyOne, us-gaap:SeniorNotes


Debt
Period End2021-04-06
Value100.0
Percentage of DebtInstrumentRedemptionPricePercentage0.0

gt:FivePointTwoFivePercentNotesDueInJulyTwoThousandThirtyOne, gt:DebtInstrumentRedemptionAfterToAprilTwoThousandThirtyOne, us-gaap:SeniorNotes


Debt
Period End2021-05-18
Value100.0
Percentage of DebtInstrumentRedemptionPricePercentage100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

country:US


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-26000000.0-28000000.0-27000000.0-28000000.0-27000000.0-28000000.0-28000000.0-28000000.0-28000000.0-28000000.0-28000000.0-27000000.0-28000000.0-28000000.0-28000000.0-27000000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-9000000.0-8000000.0-9000000.0-9000000.0-10000000.0-8000000.0-7000000.0-7000000.0-7000000.0-8000000.0-7000000.0-8000000.0-8000000.0-8000000.0-7000000.0-7000000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses34.628.633.332.137.028.625.025.025.028.625.029.628.628.625.025.9

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:ForeignPlan


Defined
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value1.00.00.01.00.01.00.00.00.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.00.00.0100.00.0100.00.00.00.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

country:US


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value46424848495655565554556061606463
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value1210.01313141415151718182020192124
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets26.123.827.127.128.625.027.326.830.933.332.733.332.831.732.838.1

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanInterestCost

country:US


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value22203232334442443939403941404140
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value11111414141717181717181818172021
Percentage of DefinedBenefitPlanInterestCost50.055.043.843.842.438.640.540.943.643.645.046.243.942.548.852.5

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

country:US


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302017-09-302017-06-302016-09-302016-06-30
Value237.030191317161713173110.06.05.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302016-09-302016-06-30
Value171618171917161824141416141325
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost73.9228.660.089.5146.2100.0100.0105.9184.682.40.051.6140.0216.7500.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-09-302020-06-302020-03-31
Value0.08.0-4.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments0.0100.0100.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 us-gaap:IncomeStatementLocation, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1

us-gaap:OtherNonoperatingIncomeExpense, us-gaap:ForeignPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-09-302020-06-30
Value161.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1100.0100.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

country:US, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-09-30
Value18
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1112.5

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1 us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1

country:US


Defined
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302017-09-302017-06-302016-09-302016-06-30
Value-19.0-18.0-6.0-1.0-1.00.00.00.0-3.0-24.0-1.00.00.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1100.0100.0100.0100.0100.00.00.00.0100.0100.0100.00.00.0

us-gaap:ForeignPlan


Defined
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302016-09-302016-06-30
Value0.00.0-1.00.01.0-1.0-10.00.00.0-2.00.00.0-13.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1-0.0-0.0100.0-0.00.00.00.0-0.00.08.3-0.00.00.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanServiceCost

country:US


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value2.01.01.01.01.00.01.01.01.01.01.01.01.01.01.01.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value8.07.08.07.07.06.07.07.07.07.07.08.08.07.07.08.0
Percentage of DefinedBenefitPlanServiceCost400.0700.0800.0700.0700.00.0700.0700.0700.0700.0700.0800.0800.0700.0700.0800.0

us-gaap:DefinedContributionPlanCostRecognized

us-gaap:DefinedContributionPlanCostRecognized


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value272825252030272728282727282925282830293029343130313327302827233423262522232723242526242321
Percentage of DefinedContributionPlanCostRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCash

us-gaap:DividendsCash


Dividends
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value5.04.00.03838423738354034352525250.0441919
Percentage of DividendsCash100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:DividendsCash us-gaap:StatementEquityComponents

gt:NonControllingInterestNonRedeemable


Dividends
Period End2021-06-302020-09-302019-09-302019-06-302018-09-302018-06-302016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value5.04.01.04.01.07.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of DividendsCash100.0100.02.69.52.917.50.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DividendsShareBasedCompensationCash

us-gaap:DividendsShareBasedCompensationCash


Dividends
Period End2020-12-312020-09-302020-06-302020-03-31
Value0001000000.0
Percentage of DividendsShareBasedCompensationCash0.00.00.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value28-34.0454.09.0-59.014-19.06.00.0-6.0-12.0-41.0166.0141720-40.03.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate


Effective
Period End2021-06-302020-06-302020-03-312019-06-302019-03-31
Value21.00.210.210.210.21
Percentage of EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards us-gaap:BusinessAcquisition

us-gaap:EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards

gt:CooperTire


Employee
Period End2021-06-07
Value34
Percentage of EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards100.0

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation


Financing
Period End2020-09-302020-06-302020-03-31
Value3000000.03000000.0-7000000.0
Percentage of FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation us-gaap:StatementBusinessSegments

gt:EuropeMiddleEastandAfricaSegment


Financing
Period End2020-09-302020-06-302020-03-31
Value3000000.03000000.0-4000000.0
Percentage of FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation100.0100.057.1

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


Financing
Period End2020-09-302020-06-302020-03-31
Value4.02.02.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:StatementBusinessSegments

gt:EuropeMiddleEastandAfricaSegment


Financing
Period End2020-09-302020-06-302020-03-31
Value3.01.01.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs75.050.050.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1.0-11.04.08.0-4.01.07.0-3.0117.09.02.0-2.07.03.01.02.01.09.01.01.02.0-15.0-33.0-13.0-16.0-57.0-31.02.0-153.0-2.02.05.0-123.0-6.0-3.0-6.0-11.0-14.0-4.0-6.0-3.0-33.0-5.0-12.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.0-3.01.011-1.01.05.00.01.02.0-2.00.01.0121.03.0270.01.080-10.01.0-1.0
Percentage of GainLossOnDispositionOfAssets10.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments us-gaap:HedgingDesignation

us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments

us-gaap:Nondesignated


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value-14.055-36.0-49.0-41.039-18.031-6.015-132.07.0432.0-2.0-10.0-41.0-4.037-15.05.0-23.03316-28.058383.0-8.0-28.0-13.020
Percentage of GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossAttributableToParent us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:IncomeLossAttributableToParent

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value533648543734-41.0-34.0-34.00.0-44.0-45.040-46.0-52.030
Percentage of IncomeLossAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationChangeInEnactedTaxRate us-gaap:StatementGeographical

us-gaap:IncomeTaxReconciliationChangeInEnactedTaxRate

gt:England


Income
Period End2020-09-30
Value-14.0
Percentage of IncomeTaxReconciliationChangeInEnactedTaxRate100.0

us-gaap:IncomeTaxReconciliationOtherAdjustments

us-gaap:IncomeTaxReconciliationOtherAdjustments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-06-302016-03-312015-03-312014-12-312014-09-30
Value2.03.0-279.0-15.02.0290-2.0-6.06.07.03.0-5.0-28.07.017-12.03.0-5.04.0-2027.047
Percentage of IncomeTaxReconciliationOtherAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableTrade

us-gaap:IncreaseDecreaseInAccountsPayableTrade


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value326221451435-754.0-106.0115-55.016-71.0-12.0-18.01549980-185.011773-12.0-51.03.0-96.0455857-82.028-155.06.080-4.0-174.014134-21.0-157.0-191.0-84.02613012927617097153349
Percentage of IncreaseDecreaseInAccountsPayableTrade100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value71190.010646-57.055683031-33.037-14.0-16.0-38.040-6.0-61.01836-4.0-100.0377536-82.01206879-44.02816969-23.09115434-19.085133110569512012291
Percentage of IncreaseDecreaseInEmployeeRelatedLiabilities100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-38.0-4.0-49.04659-30.0-66.053-26.0-11.0-62.0-19.0-36.0-64.0-25.0-78.09.018-67.079-92.0241.0-11.0-9.0-9.0-35.021-32.06.0-16.026-34.0-4.0-94.06525-20.0-1.0118
Percentage of IncreaseDecreaseInOtherCurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value3000000.03000000.000-1000000.01000000.01000000.00-1000000.02000000.02000000.04000000.004000000.04000000.04000000.0-1000000.04000000.04000000.04000000.005000000.04000000.04000000.0-1000000.04000000.05000000.0005000000.03000000.03000000.002000000.02000000.00-1000000.03000000.03000000.03000000.0002000000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.00.00.0100.0

us-gaap:InterestIncomeOther

us-gaap:InterestIncomeOther


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value5.05.05.03.03.03.05.05.04.03.04.06.02.04.03.03.03.04.03.04.04.04.06.07.04.05.05.04.0136.0236.07.0
Percentage of InterestIncomeOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityCommitmentFeeAmount us-gaap:IncomeStatementLocation, us-gaap:ShortTermDebtType

us-gaap:LineOfCreditFacilityCommitmentFeeAmount

us-gaap:OtherNonoperatingIncomeExpense, us-gaap:BridgeLoan


Line
Period End2021-06-30
Value10000000.0
Percentage of LineOfCreditFacilityCommitmentFeeAmount100.0

us-gaap:LossContingencyAccrualPayments us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LossContingencyAccrualPayments

gt:AsbestosRelatedProductLiability


Loss
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3.04.04.04.03.02.05.06.09.02.05.01.04.03.010.02.02.02.04.04.05.07.0
Percentage of LossContingencyAccrualPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingencyAccrualProvision us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LossContingencyAccrualProvision

gt:AmiensLaborClaims


Loss
Period End2020-12-312020-09-30
Value1.04.0
Percentage of LossContingencyAccrualProvision100.0100.0

us-gaap:MinorityInterestPeriodIncreaseDecrease

us-gaap:MinorityInterestPeriodIncreaseDecrease


Minority
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-7.0-3.00.0-1.0-25.00.0-4.0-1.0-4.0-22.0-1.0-1.0-5.00.0-2.0-2.0-1.0-6.0-4.0-4.0-2.01.0-13.0-2.0-57.023
Percentage of MinorityInterestPeriodIncreaseDecrease100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination


Noncontrolling
Period End2021-06-30
Value21
Percentage of NoncontrollingInterestIncreaseFromBusinessCombination100.0

us-gaap:NoncontrollingInterestIncreaseFromBusinessCombination us-gaap:StatementEquityComponents

gt:NonControllingInterestNonRedeemable


Noncontrolling
Period End2021-06-30
Value21
Percentage of NoncontrollingInterestIncreaseFromBusinessCombination100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value73706975736971737474
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value66677563646666676371
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value7.09.09.0-3.0-8.0-1.0-171.0-11.09.04.017-20.0163.0-77.0-26.0-1.04.0-64.01.01.00.0-92.00.0240.0-112.06.05.0193950.02797-992.0-12.027-2.0-770.0-4.01.03.0-167.02.0-12.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-3.0-8.0-1.0-11.09.04.0-20.0163.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value-3.0-8.0-1.0-11.09.04.017-20.0163.0-76.0-26.0-1.04.0-64.01.01.00.0-90.00.0220.0-130.06.04.08.03760.02696-913.0-10.026-1.0-769.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.098.7100.0100.0100.0100.0100.0100.00.097.80.091.70.0116.1100.080.042.195.20.096.399.092.083.396.350.099.9

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2.03.0-7.0-1.0-2.00.0-43.0-3.03.01.0-1.0-4.05.01.0-22.0-16.00.01.0-53.00.01.0-1.0-30.00.0110.0-138.00.03.00.0320.02.00.0-61.00.0-7.00.0-25.00.0-1.00.0-22.0-1.00.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax

us-gaap:OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value4.00.04.04.00.0-1.02.00.00.00.01.02.02.05.09.00.00.00.00.0670.00.00.0130.00.00.01.00.00.00.01.00.00.02.00.0-1.04.00.00.0
Percentage of OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax100.00.0100.0100.00.0100.0100.00.00.00.0100.0100.0100.0100.0100.00.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0100.00.0100.0100.00.00.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value1000000.0-7000000.00-9000000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.00.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value33-39.0114-16.0-7.0-225.087-96.0-16.030-29.0-86.0-231.08288355084-216.0-12.0-53.060-110.0-100.023-128.0-128.0-185.021-6.0-35.039-98.0-57.03173-124.0103-65.0-268.0539432279-197.0-54.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax us-gaap:StatementEquityComponents

gt:NonControllingInterestNonRedeemable


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value-2.00.0-9.0-3.03.0-9.0-18.02.0-14.00.0-5.07.01.0-13.0-4.0-10.0-8.0-12.03.0-1.0-6.00.0-13.0-2.03.08.0-10.013-7.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax12.5-0.04.03.1-18.810.57.82.46.5-0.09.411.7-0.913.0-17.47.86.26.514.316.717.10.013.33.59.711.08.112.610.8

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-14.0-7.0-216.0-93.0-19.030-77.0-213.080
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax87.5100.096.096.9118.8100.089.592.297.6

us-gaap:Parent


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value-14.0-7.0-216.0-93.0-19.030-35.0-77.0-213.08085344378-202.0-12.0-48.053-111.0-81.04.0-63.0-89.0-132.021-6.0-42.021-92.0-40.01152-85.073-37.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax87.5100.096.096.9118.8100.0120.789.592.297.696.697.186.092.993.5100.090.688.3100.981.017.449.269.571.4100.0100.0120.053.893.970.235.571.268.570.956.9

us-gaap:OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.0-1.06.02.04.0-8.01.0-1.02.02.0-2.00.0-6.0-2.0-5.025163.0-19.03.0-3.017-10.0-18.010.0-34.0-46.00.00.00.00.00.00.00.00.00.00.00.00.00.0-1.01.00.00.01.01.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.00.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax


Other
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value-1000000.0001000000.000-3000000.000
Percentage of OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax100.00.00.0100.00.00.0100.00.00.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value7.09.08.0-3.0-8.0-1.0-169.0-11.08.04.05.0-20.0163.0-80.0-26.0-1.04.0-64.01.01.00.0-90.00.0220.0-129.05.04.08.04060.02696
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.0-3.0-1.01.018-4.010.0-1.05.03.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax11.1-37.533.3-12.5-1800.02.4-90.9-12.5125.060.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value48-22.0114-18.0-14.0-199.0-87.0-94.0-12.039-27.0-97.0-187.0794.03.03476-257.0-15.0-38.047
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax685.7-244.41425.0600.0175.019900.051.5854.5-150.0975.0-540.0485.0-1168.82633.3-5.0-11.5-3400.01900.0401.6-1500.0-3800.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value30-32.0109-14.0-7.0-216.086-93.0-19.030-35.0-77.0-213.08085344378-202.0-12.0-48.053-111.0-81.04.0-63.0-89.0-132.021-6.0-42.021-92.0-40.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax428.6-355.61362.5466.787.521600.0-50.9845.5-237.5750.0-700.0385.0-1331.22666.7-106.2-130.8-4300.01950.0315.6-1200.0-4800.00.0123.30.018.20.069.0-2640.0525.0-75.0-10.30.0-353.8-41.7

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-1.01.0-3.0-1.01.018-4.010.0-1.05.03.00.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value-1.01.01810.0-1.05.00.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.00.0

us-gaap:Parent


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value-1.01.01810.0-1.05.00.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax


Other
Period End2021-06-302020-06-30
Value-1.0-3.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax us-gaap:DerivativeInstrumentRisk

us-gaap:ForeignExchangeContract


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.0-4.0-1.0-3.023-8.014-1.05.03.01.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax0.00.00.0100.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value00-1000000.00-4000000.05000000.0-4000000.04000000.00001000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax0.00.0100.00.0100.0100.0100.0100.00.00.00.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.02.02.03.04.04.06.03.02.03.0-1.0-1.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value3.04.04.03.02.03.0-1.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value3.04.04.03.02.03.0-1.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:ForeignExchangeContract, us-gaap:CostOfSales


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-2.0-2.0-3.0-4.0-4.05.03.0-3.0-3.01.0-1.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value000000-1000000.00-1000000.002000000.00
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax0.00.00.00.00.00.0100.00.0100.00.0100.00.0

us-gaap:OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax

us-gaap:OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-30
Value158.0141.0-1.04.00.00.00.07.09.04.012150.02.00.0152570.02.00.0-8.01.00.0420.01.01.00.02.09.00.01.04.0
Percentage of OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.00.0100.00.0100.0100.00.0100.00.0100.0100.00.0100.00.0100.0100.00.0100.0100.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312018-09-302018-06-30
Value141.0-1.09.04.0
Percentage of OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax100.0100.0100.0100.0100.0

us-gaap:Parent


Other
Period End2020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value141.0-1.07.09.04.012152.00.02570.02.00.0-8.01.00.0380.01.01.00.02.07.01.0
Percentage of OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.00.090.50.0100.0100.00.0100.077.8100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-26.0-27.0-27.0-27.0-28.0-27.0-26.0-26.0-26.0-26.0-26.0-26.0-26.0-27.0-20.0-18.0-19.0-20.0-14.0-17.0-16.0-16.0-13.0-19.0-18.0-19.03.0-25.0-25.0-32.0-58.0-54.0-59.0-61.0-51.0-52.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-27.0-28.0-27.0-26.0-26.0-26.0-26.0-26.0-27.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-27.0-28.0-27.0-26.0-26.0-26.0-26.0-26.0-26.0-27.0-20.0-18.0-19.0-20.0-14.0-17.0-16.0-16.0-13.0-18.0-17.0-18.05.0-24.0-24.0-31.0-56.0-52.0-57.0-59.0-49.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.094.794.494.7166.796.096.096.996.696.396.696.796.1

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-8.0-9.0-9.0-9.0-8.0-9.0-9.0-8.0-8.0-8.0-10.0-8.0-8.0-8.0-9.0-10.0-11.0-10.0-57.08.08.0-8.0-7.0-9.0-9.0-9.0-31.0-2.0-1.0-2.0-2.0-1.0-3.0-4.0-3.0-2.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value8.00.00.00.00.0-1.0-4.0-6.07.02.0-1.06.0-5.0-4.0-3.0-2.017
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


Other
Period End2021-06-302020-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value000000-3000000.00-3000000.04000000.01000000.00000000
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax0.00.00.00.00.00.0100.00.0100.0100.0100.00.00.00.00.00.00.00.0

us-gaap:OtherPostretirementBenefitExpense

us-gaap:OtherPostretirementBenefitExpense


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value1.02.01.02.0-3.02.01.02.02.03.03.0-2.0-1.02.0-4.0-7.0-6.05.06.04.0-4.0-4.0-3.0-3.0-2.0-2.00.00.03.02.02.03.02.09.0
Percentage of OtherPostretirementBenefitExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromLoansReceivable

us-gaap:PaymentsForProceedsFromLoansReceivable


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-3.010.0-22.00.00.0350.00.00.07.05.0500.00.0
Percentage of PaymentsForProceedsFromLoansReceivable100.0100.0100.00.00.0100.00.00.00.0100.0100.0100.00.00.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-11.0-3.0-1.00.0-1.09.016-1.0-3.0162.0-37.0380.09.0-2.08.0-2.0120.0-5.00.0-19.00.0-6.0-1.00.00.02.0-2.0-15.0-2.015-2.05.00.00.00.0
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsForRestructuring


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value40834243287313131518232025106584236181816282439196026575083361217192440181731625413138.0181516
Percentage of PaymentsForRestructuring100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesGross

gt:CooperTire


Payments
Period End2021-06-07
Value2155
Percentage of PaymentsToAcquireBusinessesGross100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

gt:CooperTire


Payments
Period End2021-06-07
Value1856
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0

us-gaap:PaymentsToAcquireShortTermInvestments

us-gaap:PaymentsToAcquireShortTermInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value28294026246.0406.036317.031228.0328.0321126122212271.0490.00.031162516294020324.0
Percentage of PaymentsToAcquireShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionContributions us-gaap:RetirementPlanSponsorLocation

us-gaap:PensionContributions

us-gaap:ForeignPlan


Pension
Period End2021-06-302021-03-312020-09-302020-06-302019-09-302019-06-302018-09-302018-06-302017-09-302017-06-30
Value5.02.00.04.0117.07.08.01413
Percentage of PensionContributions100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt us-gaap:BusinessAcquisition

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

gt:CooperTire


Proceeds
Period End2021-05-18
Value1450
Percentage of ProceedsFromIssuanceOfSeniorLongTermDebt100.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions


Proceeds
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.09.00.00.01.00.00.01.02.01.02.01.02.09.04.06.01.02.02015162.0-2.010.07.0246.0113.02.0
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions0.0100.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-33.0-40.039-51.0-2.010.0-8.014-31.010.0-9.019-13.028-31.0-39.01.00.0-1.0-22.0-1.0-21.0-2.0-10.00.0-1.00.00.00.00.00.0-1.0-15.0-1.00.0-49.0-14.0-1.0-1.0-19.00.08.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ProceedsFromShortTermDebt

us-gaap:ProceedsFromShortTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value242280966272996294294684125714864464285845102542395119895982631233316-6.0345.0131.01.0-1.0303.040-23.057-11.01264816-9.0667.021
Percentage of ProceedsFromShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed

us-gaap:ProvisionForLoanLossesExpensed


Provision
Period End2020-09-302020-06-302020-03-31
Value7.01114
Percentage of ProvisionForLoanLossesExpensed100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed us-gaap:StatementBusinessSegments

gt:AmericasSegment


Provision
Period End2020-09-302020-06-302020-03-31
Value1.08.00.0
Percentage of ProvisionForLoanLossesExpensed14.372.70.0

gt:AsiaPacificSegment


Provision
Period End2020-09-302020-06-302020-03-31
Value1.01.00.0
Percentage of ProvisionForLoanLossesExpensed14.39.10.0

gt:EuropeMiddleEastandAfricaSegment


Provision
Period End2020-09-302020-06-302020-03-31
Value5.02.014
Percentage of ProvisionForLoanLossesExpensed71.418.2100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-41.0-27.0-35.0-41.0-29.0-26.0-30.0-26.0-26.0-26.0-33.0-35.0-30.0-27.0-32.0-33.0-19.0-20.0-144.0-17.0-31.016-270.0-18.0-19.0-18.013-25.0-24.0-69.0-56.0-53.0-58.0-59.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.02.02.03.04.04.06.03.02.03.0-1.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax-0.0-7.4-5.7-7.3-13.8-15.4-20.0-11.5-7.7-11.53.0

us-gaap:AccumulatedOtherComprehensiveIncome


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-41.0-25.0-33.0-38.0-25.0-22.0-24.0-23.0-24.0-23.0-34.0-36.0-32.0-30.0-35.0-34.0-17.0-19.0-16.0-20.0-26.0-13.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.092.694.392.786.284.680.088.592.388.5103.0102.9106.7111.1109.4103.089.595.011.1117.683.9-81.2

us-gaap:RepaymentsOfShortTermDebt

us-gaap:RepaymentsOfShortTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1612852548182822395764494234855283474025185232202218212963342.0251621220.00.0240.03138272467471131453933214.015-7.056
Percentage of RepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value18502625999.077214.01034.05.0-2.0373346272916135481132204616151524411721137.01082626152325469.02248.06.02.0
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserveAcceleratedDepreciation

us-gaap:RestructuringReserveAcceleratedDepreciation


Restructuring
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value114.0864.0131.01.00.02.00.01.01.01.010.0218.010.03.05.02.03.03.00.03.04.00.02.01.08.05.05.05.01.0134.02.04.012
Percentage of RestructuringReserveAcceleratedDepreciation100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserveTranslationAdjustment us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringReserveTranslationAdjustment

gt:AssociateRelatedCosts


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-09-302012-03-312011-09-302011-06-302011-03-31
Value1.0-6.07.06.03.0-4.0-8.06.03.0-3.0-5.01.06.0-5.02.08.0123.0-16.02.02.0-1.0-3.00.03.0-12.0-4.01.09.01.03.0-10.03.07.0
Percentage of RestructuringReserveTranslationAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RoyaltyIncomeNonoperating

us-gaap:RoyaltyIncomeNonoperating


Royalty
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value5.05.05.05.04.05.021005.05.05.05.05.05.05.06.010.0115.05.04.010.04.05.01210.01658.09.09.09.01210.01910.09.010.010.09.0198.0119.08.07.09.0
Percentage of RoyaltyIncomeNonoperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-19.20998079190.0-2.0999999999999997e-070.07.8e-060.00.01.0000000000001564e-081.8e-050.00.00.02.904e-050.00.00.03.6780000000000004e-050.00.00.03.095e-050.00.00.02.8440000000000002e-050.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.00.0100.00.0100.00.00.0100.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value-16.2999836616-1.799999999999997e-07-6.399999999999987e-071.012e-05-5.300000000000012e-071.0000000000001564e-082.0079999999999997e-05-2.8999999999999913e-07-9.999999999999786e-082.9559999999999998e-05-2.0000000000000285e-07-9.99999999999801e-093.526e-05-1.9999999999999574e-08-9.999999999999786e-082.99e-052.999999999999972e-071.0000000000000142e-072.632e-05-7.000000000000028e-08
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue84.984.985.70.0129.70.0100.0111.60.00.0101.80.00.095.90.00.096.60.00.092.50.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue


Share
Period End2020-12-31
Value8.15
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice0.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:BusinessAcquisition

us-gaap:StockIssuedDuringPeriodSharesNewIssues

gt:CooperTire


Stock
Period End2021-06-07
Value45
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued us-gaap:BusinessAcquisition

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued

gt:CooperTire


Stock
Period End2021-06-07
Value235870.0
Percentage of StockIssuedDuringPeriodSharesTreasuryStockReissued100.0

us-gaap:StockIssuedDuringPeriodValueAcquisitions us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:StockIssuedDuringPeriodValueAcquisitions

gt:CooperTire, gt:CooperTireStockholders


Stock
Period End2021-06-07
Value942
Percentage of StockIssuedDuringPeriodValueAcquisitions100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6.04.09.08.07.08.09.04.05.06.04.04.07.05.06.06.06.05.06.07.07.02.03.04.03.03.0-1.0-2.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value6.04.09.08.07.08.09.04.06.04.04.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6.04.09.08.07.08.09.04.05.06.04.04.07.05.06.06.06.05.06.07.04.05.06.04.05.04.05.06.03.05.03.04.03.05.07.02.03.04.03.03.0-1.0-2.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6.09.00.0-2.01.0-1.00.01.02.01.01.02.02.09.04.06.01.02.00.00.01.00.03.04.07.0-1.0
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312018-09-302018-06-30
Value6.07.00.0-2.00.0-1.01.02.0
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued100.077.80.0100.00.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-03-312019-06-302018-06-302018-03-31
Value2.01.00.01.0
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued22.2100.00.0100.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6.09.00.0-2.01.0-1.00.01.02.01.01.02.02.09.04.06.01.02.02211162.0-8.010.07.0247.010.03.02.02.01.00.00.01.00.03.04.07.0-1.0
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.0100.0100.0100.0100.0

gt:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanDeferredIncomeTax us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

gt:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanDeferredIncomeTax

country:US, us-gaap:PensionPlansDefinedBenefit


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value435077103118
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanDeferredIncomeTax100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value104135105109115
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanDeferredIncomeTax241.9270.0136.4105.897.5

gt:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanDeferredIncomeTax us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2922192620
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanDeferredIncomeTax67.444.024.725.216.9

gt:AccumulatedOtherComprehensiveIncomeLossMinorityShareholdersEquityNetOfTax us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

gt:AccumulatedOtherComprehensiveIncomeLossMinorityShareholdersEquityNetOfTax

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2000000.01000000.01000000.01000000.00
Percentage of AccumulatedOtherComprehensiveIncomeLossMinorityShareholdersEquityNetOfTax100.0100.0100.0100.00.0

gt:AcquisitionExchangeRatio us-gaap:BusinessAcquisition

gt:AcquisitionExchangeRatio

gt:CooperTire


Acquisition
Period End2021-06-07
Value0.907
Percentage of AcquisitionExchangeRatio100.0

gt:AggregateLimitsOfExcessInsurancePolicies us-gaap:LossContingenciesByNatureOfContingency

gt:AggregateLimitsOfExcessInsurancePolicies

gt:AsbestosRelatedProductLiability


Aggregate
Period End2020-12-312019-12-312011-09-302011-06-30
Value550555170170
Percentage of AggregateLimitsOfExcessInsurancePolicies100.0100.0100.0100.0

gt:AsbestosClaimsSettledAndDismissedToDate us-gaap:LossContingenciesByNatureOfContingency

gt:AsbestosClaimsSettledAndDismissedToDate

gt:AsbestosRelatedProductLiability


Asbestos
Period End2021-06-302020-12-312020-09-30
Value0.1549154200153900
Percentage of AsbestosClaimsSettledAndDismissedToDate100.0100.0100.0

gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesCurrentAndNonCurrentCompensationAndBenefits us-gaap:BusinessAcquisition

gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesCurrentAndNonCurrentCompensationAndBenefits

gt:CooperTire


Business
Period End2021-06-07
Value386
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesCurrentAndNonCurrentCompensationAndBenefits100.0

gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesCurrentAndNonCurrentDebtFinanceLeasesAndNotesPayableAndOverdrafts us-gaap:BusinessAcquisition

gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesCurrentAndNonCurrentDebtFinanceLeasesAndNotesPayableAndOverdrafts

gt:CooperTire


Business
Period End2021-06-07
Value151
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesCurrentAndNonCurrentDebtFinanceLeasesAndNotesPayableAndOverdrafts100.0

gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedMinorityEquity us-gaap:BusinessAcquisition

gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedMinorityEquity

gt:CooperTire


Business
Period End2021-06-07
Value21
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedMinorityEquity100.0

gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentAssets us-gaap:BusinessAcquisition

gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentAssets

gt:CooperTire


Business
Period End2021-06-07
Value362
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentAssets100.0

gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentLiabilities us-gaap:BusinessAcquisition

gt:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentLiabilities

gt:CooperTire


Business
Period End2021-06-07
Value374
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentLiabilities100.0

gt:CashAndCashEquivalentsAsPercentOfTotal us-gaap:StatementBusinessSegments

gt:CashAndCashEquivalentsAsPercentOfTotal

gt:AmericasSegment


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value25.00.210.170.160.180.12
Percentage of CashAndCashEquivalentsAsPercentOfTotal100.0100.0100.0100.0100.0100.0

gt:AsiaPacificSegment


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value25.00.370.350.330.380.28
Percentage of CashAndCashEquivalentsAsPercentOfTotal100.0176.2205.9206.2211.1233.3

gt:EuropeMiddleEastandAfricaSegment


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value25.00.240.330.340.270.35
Percentage of CashAndCashEquivalentsAsPercentOfTotal100.0114.3194.1212.5150.0291.7

gt:DebtInstrumentNotesSoldPercentageOfPrincipleAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

gt:DebtInstrumentNotesSoldPercentageOfPrincipleAmount

gt:FivePercentNotesDueInTwoThousandTwentyNine, us-gaap:SeniorNotes


Debt
Period End2021-05-18
Value100.0
Percentage of DebtInstrumentNotesSoldPercentageOfPrincipleAmount100.0

gt:FivePointSixTwoFivePercentNotesDueInTwoThousandThirtyThree, us-gaap:SeniorNotes


Debt
Period End2021-04-06
Value100.0
Percentage of DebtInstrumentNotesSoldPercentageOfPrincipleAmount0.0

gt:FivePointTwoFivePercentNotesDueInAprilTwoThousandThirtyOne, us-gaap:SeniorNotes


Debt
Period End2021-04-06
Value100.0
Percentage of DebtInstrumentNotesSoldPercentageOfPrincipleAmount0.0

gt:FivePointTwoFivePercentNotesDueInJulyTwoThousandThirtyOne, us-gaap:SeniorNotes


Debt
Period End2021-05-18
Value100.0
Percentage of DebtInstrumentNotesSoldPercentageOfPrincipleAmount100.0

gt:DebtInstrumentNotesSoldPercentageofPrincipleAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

gt:DebtInstrumentNotesSoldPercentageofPrincipleAmount

gt:FivePointOneTwoFivePercentNotesDueInTwoThousandTwentyThree, us-gaap:SeniorNotes


Debt
Period End2020-12-31
Value100.0
Percentage of DebtInstrumentNotesSoldPercentageofPrincipleAmount100.0

gt:ThreePointSevenFivePercentEuroNotesDueInTwoThousandTwentyThree, us-gaap:SeniorNotes


Debt
Period End2020-12-31
Value100.0
Percentage of DebtInstrumentNotesSoldPercentageofPrincipleAmount100.0

gt:DeferredTaxAssetOperatingLeaseLiability

gt:DeferredTaxAssetOperatingLeaseLiability


Deferred
Period End2020-12-312019-12-31
Value7675
Percentage of DeferredTaxAssetOperatingLeaseLiability100.0100.0

gt:DeferredTaxAssetPrepaidRoyaltyIncome

gt:DeferredTaxAssetPrepaidRoyaltyIncome


Deferred
Period End2020-12-312019-12-312018-12-31
Value6295760.0
Percentage of DeferredTaxAssetPrepaidRoyaltyIncome100.0100.00.0

gt:DeferredTaxAssetsNetLimitedLives us-gaap:IncomeTaxAuthority

gt:DeferredTaxAssetsNetLimitedLives

gt:DomesticAndStateAndLocalAuthority


Deferred
Period End2021-06-302021-03-312020-12-312020-09-30
Value300300300250
Percentage of DeferredTaxAssetsNetLimitedLives100.0100.0100.0100.0

gt:DeferredTaxAssetsNetUnlimitedLives us-gaap:IncomeTaxAuthority

gt:DeferredTaxAssetsNetUnlimitedLives

gt:DomesticAndStateAndLocalAuthority


Deferred
Period End2021-06-302021-03-312020-12-312020-09-30
Value5009009001000
Percentage of DeferredTaxAssetsNetUnlimitedLives100.0100.0100.0100.0

gt:DeferredTaxAssetsOperatingLossCapitalLossandTaxCreditCarryforwardsForeign

gt:DeferredTaxAssetsOperatingLossCapitalLossandTaxCreditCarryforwardsForeign


Deferred
Period End2020-12-31
Value704
Percentage of DeferredTaxAssetsOperatingLossCapitalLossandTaxCreditCarryforwardsForeign100.0

gt:DeferredTaxAssetsOperatingLossCapitalLossandTaxCreditCarryforwardsSubjecttoExpiration us-gaap:IncomeTaxAuthority

gt:DeferredTaxAssetsOperatingLossCapitalLossandTaxCreditCarryforwardsSubjecttoExpiration

us-gaap:ForeignCountry


Deferred
Period End2020-12-31
Value69
Percentage of DeferredTaxAssetsOperatingLossCapitalLossandTaxCreditCarryforwardsSubjecttoExpiration100.0

gt:DeferredTaxAssetsTaxDeferredExpenseCapitalizedExpenditures

gt:DeferredTaxAssetsTaxDeferredExpenseCapitalizedExpenditures


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value421416404402666655622606456544501
Percentage of DeferredTaxAssetsTaxDeferredExpenseCapitalizedExpenditures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountedCashFlowsUsingWeightedAverageDiscountRate

gt:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountedCashFlowsUsingWeightedAverageDiscountRate


Defined
Period End2020-12-312019-12-31
Value1.72.3
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountedCashFlowsUsingWeightedAverageDiscountRate100.0100.0

gt:FinanceLeasePropertyPlantandEquipment

gt:FinanceLeasePropertyPlantandEquipment


Finance
Period End2020-12-312019-12-31
Value262259
Percentage of FinanceLeasePropertyPlantandEquipment100.0100.0

gt:FinanceLeasePropertyPlantandEquipmentAccumulatedDepreciation

gt:FinanceLeasePropertyPlantandEquipmentAccumulatedDepreciation


Finance
Period End2020-12-312019-12-31
Value6050
Percentage of FinanceLeasePropertyPlantandEquipmentAccumulatedDepreciation100.0100.0

gt:FiniteLivedAndIndefiniteLivedIntangibleAssetsAccumulatedAmortization

gt:FiniteLivedAndIndefiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3836343524232529292624
Percentage of FiniteLivedAndIndefiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:FiniteLivedAndIndefiniteLivedIntangibleAssetsGross

gt:FiniteLivedAndIndefiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value173173170174160161163167169183185
Percentage of FiniteLivedAndIndefiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:IntangibleAssetsWithIndefiniteLivesGross

gt:IntangibleAssetsWithIndefiniteLivesGross


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value125124124124128128127128128128128
Percentage of IntangibleAssetsWithIndefiniteLivesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:IntangibleAssetsWithIndefiniteLivesNet

gt:IntangibleAssetsWithIndefiniteLivesNet


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value119118118118122122121122122122122
Percentage of IntangibleAssetsWithIndefiniteLivesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gt:LesseeOperatingAndFinanceLeaseNotYetCommencedAssumptionAndJudgmentValueOfUnderlyingAssetAmount

gt:LesseeOperatingAndFinanceLeaseNotYetCommencedAssumptionAndJudgmentValueOfUnderlyingAssetAmount


Lessee
Period End2020-12-31
Value23
Percentage of LesseeOperatingAndFinanceLeaseNotYetCommencedAssumptionAndJudgmentValueOfUnderlyingAssetAmount100.0

gt:LineOfCreditFacilityBorrowingBaseAmountBelowStatedAmount us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

gt:LineOfCreditFacilityBorrowingBaseAmountBelowStatedAmount

us-gaap:RevolvingCreditFacility, gt:FirstLienRevolvingCreditFacilityDue2025, us-gaap:LineOfCredit


Line
Period End2021-03-312020-12-312020-09-30
Value570454393
Percentage of LineOfCreditFacilityBorrowingBaseAmountBelowStatedAmount100.0100.0100.0

us-gaap:RevolvingCreditFacility, gt:FirstLienRevolvingCreditFacilityDue2026, us-gaap:LineOfCredit


Line
Period End2021-06-30
Value423
Percentage of LineOfCreditFacilityBorrowingBaseAmountBelowStatedAmount0.0

gt:LineOfCreditFacilityMaximumBorrowingCapacityInputsIncreaseBasedOnValueOfCertainCash

gt:LineOfCreditFacilityMaximumBorrowingCapacityInputsIncreaseBasedOnValueOfCertainCash


Line
Period End2021-06-30
Value275
Percentage of LineOfCreditFacilityMaximumBorrowingCapacityInputsIncreaseBasedOnValueOfCertainCash100.0

gt:LineofCreditFacilityAdditionalBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

gt:LineofCreditFacilityAdditionalBorrowingCapacity

us-gaap:RevolvingCreditFacility, gt:FirstLienRevolvingCreditFacilityDue2026, us-gaap:LineOfCredit


Lineof
Period End2021-06-302021-06-07
Value2502750
Percentage of LineofCreditFacilityAdditionalBorrowingCapacity100.0100.0

gt:LongTermDebtBeforeDeferredFinanceCosts us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

gt:LongTermDebtBeforeDeferredFinanceCosts

us-