GM


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementClassOfStock
us-gaap:PreferredStockParOrStatedValuePerShare

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
gm:BusinessGroup
us-gaap:CostOfGoodsAndServicesSold

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit
gm:BusinessGroup
us-gaap:InterestExpense
us-gaap:LitigationCase, us-gaap:Range, us-gaap:LitigationStatus
us-gaap:LitigationSettlementExpense

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NonoperatingIncomeExpense
gm:BusinessGroup
us-gaap:OperatingCostsAndExpenses

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherIncome
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ProfitLoss
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:StatementEquityComponents

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
gm:BusinessGroup
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:ProductOrService
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ProductOrService
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService

us-gaap:Revenues
gm:BusinessGroup
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
gm:BusinessGroup
us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:Liabilities
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:NoncurrentAssets
gm:BusinessGroup, us-gaap:StatementGeographical

us-gaap:AssetsNoncurrent
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet
gm:BusinessGroup, us-gaap:ConsolidatedEntities, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:IntangibleAssetsNetIncludingGoodwill
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:DeferredTaxAssetsLiabilitiesNet
us-gaap:BalanceSheetLocation
us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:MajorPropertyClass

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent
gm:BusinessGroup
us-gaap:DebtCurrent
gm:BusinessGroup, us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesCurrent
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:BalanceSheetLocation
us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:LiabilitiesNoncurrent
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty
gm:BusinessGroup
us-gaap:LongTermDebt
gm:BusinessGroup, gm:DebtType
gm:BusinessGroup
us-gaap:DebtAndCapitalLeaseObligations
gm:BusinessGroup, gm:DebtType
gm:BusinessGroup
us-gaap:LongTermDebtAndCapitalLeaseObligations
gm:BusinessGroup, us-gaap:ConsolidatedEntities
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanType

us-gaap:MinorityInterest
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent
us-gaap:BalanceSheetLocation

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:StatementClassOfStock
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividends

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
dei:LegalEntity, us-gaap:SubsequentEventType
us-gaap:StatementGeographical
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
gm:DefinedBenefitPlanCurtailmentsSettlementsAndOther

gm:DefinedBenefitPlanNetPeriodicBenefitExpenseIncomeExcludingServiceCost

gm:DepreciationamortizationandimpairmentchargesonProperty

gm:DepreciationandImpairmentofEquipmentonOperatingLeasesNet

gm:Earningslossbeforeautomotiveinterestandtaxesadjusted
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

gm:ForeignCurrencyRemeasurementandTransactionGainsLosses

gm:IncreaseDecreaseToPolicyProductWarrantyAndRecallCampaignsAndCurrencyTranslationAndOtherAdjustments
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:IntercompanyTransactionsLeasedVehicleIncomeEarned
gm:BusinessGroup
gm:InterestIncome
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:InterestIncomeIntercompanyTransactions
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:IntersegmentEliminationsSubventionPaid

gm:PolicyProductWarrantyAndRecallCampaignsPreexistingAdjustmentsIncreaseDecrease

gm:PolicyproductwarrantyandrecallcampaignsPayments

gm:PolicyproductwarrantyandrecallcampaignsandCurrencytranslationandotherincreasedecrease

gm:Policyproductwarrantyandrecallcampaignspreexistingadjustments

gm:ReconcilingAdjustments
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty
gm:RelatedPartyTransactionsCashPayments
dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty
gm:RelatedPartyTransactionsCashReceipts

gm:RestructuringReserveAccrualAdjustmentincludingForeignCurrency

gm:RevenueChangeInJudgementRelatedToSalesIncentives

gm:RevenueChangeInJudgmentRelatedToSalesIncentives

gm:WarrantiesIssuedAndAssumedInPeriodProductWarranty

gm:WarrantiesIssuedAndAssumedInPeriodRecallCampaigns
us-gaap:LossContingenciesByNatureOfContingency
gm:BusinessGroup
us-gaap:AllowanceForLoanAndLeaseLossesForeignCurrencyTranslation

us-gaap:AssetImpairmentCharges
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligationPaymentForSettlement
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost
us-gaap:RetirementPlanType
us-gaap:MajorPropertyClass
us-gaap:Depreciation
dei:LegalEntity, gm:BusinessGroup, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
gm:BusinessGroup
us-gaap:DividendsCommonStock

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:StatementGeographical, us-gaap:StatementScenario, us-gaap:StatementBusinessSegments
us-gaap:EffectOnFutureCashFlowsAmount
us-gaap:StatementScenario, us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments
gm:BusinessGroup
us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease
gm:BusinessGroup
us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
gm:BusinessGroup
us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:IncomeLossFromEquityMethodInvestments
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments
us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance

us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants

us-gaap:InterestAndFeeIncomeLoansConsumer
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LeaseIncome
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:LitigationCase, us-gaap:LitigationStatus
us-gaap:LitigationSettlementAmountAwardedToOtherParty
us-gaap:ConsolidatedEntities, us-gaap:LitigationCase, us-gaap:LitigationStatus
us-gaap:LitigationCase, us-gaap:LitigationStatus
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:LongTermPurchaseCommitmentAmount
us-gaap:LitigationCase
us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease
us-gaap:LitigationCase
us-gaap:LossContingencyNumberOfPlaintiffs
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForRestructuring
us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical, us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

us-gaap:PaymentsToAcquireFinanceReceivables

us-gaap:PaymentsToAcquireLeasesHeldForInvestment

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PensionAndOtherPostretirementBenefitContributions

us-gaap:PensionAndOtherPostretirementBenefitExpense

us-gaap:PreferredStockDividendsAndOtherAdjustments

us-gaap:ProceedsFromCollectionOfFinanceReceivables

us-gaap:ProceedsFromDebtMaturingInMoreThanThreeMonths
us-gaap:StatementGeographical, us-gaap:StatementScenario, us-gaap:StatementBusinessSegments
us-gaap:ProceedsFromDivestitureOfBusinessesNetOfCashDivested

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock
us-gaap:StatementClassOfStock

us-gaap:ProceedsFromLeasesHeldForInvestment

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
gm:BusinessGroup
us-gaap:ProvisionForLoanLeaseAndOtherLosses
gm:BusinessGroup
us-gaap:ProvisionForLoanLossesExpensed
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty

us-gaap:RepaymentsOfDebtMaturingInMoreThanThreeMonths
gm:DebtType, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:RepaymentsOfLongTermLinesOfCredit
gm:DebtType, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
gm:DebtType, us-gaap:LongtermDebtType
gm:DebtType, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:RepaymentsOfSeniorDebt

us-gaap:RestructuringCharges
us-gaap:StatementGeographical, us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments
us-gaap:RestructuringSettlementAndImpairmentProvisions
us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties

us-gaap:RevenueNotFromContractWithCustomer
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:StatementClassOfStock
us-gaap:SaleOfStockConsiderationReceivedOnTransaction
dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:LitigationCase
us-gaap:StandardProductWarrantyAccrualPeriodIncreaseDecrease

us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents

gm:AccruedEmployeeBenefitsNoncurrent

gm:AccruedPayrollAndEmployeeBenefitsCurrent
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
gm:BasisDifferenceRelatedtoFairValueChanges

gm:BasisDifferencesResultingfromIndefinitelyReinvestedEarnings
us-gaap:BalanceSheetLocation
gm:CashAndTimeDeposits
us-gaap:BalanceSheetLocation
gm:CreditCardDeferredRevenue

gm:CreditCardProgramsAvailableRebate

gm:DealerAndCustomerAllowancesAndClaimsAndDiscountsCurrent
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
gm:DealerCashManagement
gm:BusinessGroup
gm:DebtandFinanceLeaseLiabilities
us-gaap:StatementGeographical
gm:DeferredTaxAssetsCapitalizedResearchExpenditures
us-gaap:StatementGeographical
gm:DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards

gm:DeferredTaxAssetsWarrantiesAllowancesClaimsDiscounts
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
gm:DefinedBenefitPlanAssetsandLiabilitiesNotMeasuredatFairValue
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
gm:DefinedBenefitPlanFairValueofPlanAssetsMeasuredUsingNetAssetValue
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
gm:BusinessGroup, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
gm:DerivativeLiabilitiesFairValueAdjustment
gm:BusinessGroup, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
gm:BusinessGroup, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
gm:DerivativeLiabilitiesFairValueAdjustmentOnDiscontinuedHedgingRelationships
gm:BusinessGroup, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
gm:DerivativeLiabilitiesFairValueAdjustmentonDiscontinuedHedgingRelationships
gm:BusinessGroup, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
gm:DerivativeLiabilitiesIncreaseDecreaseInFairValueAdjustment
gm:BusinessGroup, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
gm:DerivativeLiabilityDefinedBenefitPlan
gm:BusinessGroup
gm:FinanceLeaseLiabilitiesFairValueDisclosure
gm:BusinessGroup, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
gm:FinancingReceivableOriginatedFiveYearsbeforeLatestFiscalYear
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
gm:BusinessGroup, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
gm:FinancingReceivableOriginatedMorethanSixYearsbeforeCurrentFiscalYear
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
gm:FinancingReceivableRevolvingPercentofTotal
gm:BusinessGroup, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
gm:FinancingReceivablebeforeAllowanceforCreditLossPercent
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
gm:FundingRequirementNextFiveYears
us-gaap:FinancingReceivablePortfolioSegment
gm:ImpairedFinancingReceivableNonaccrual
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:FinancingReceivablePortfolioSegment
gm:IntercompanyPayable
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:IntercompanyReceivable
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:IntercompanySubventionReceivable

gm:LessorOperatingLeaseLeaseNotYetCommencedAmount
gm:BusinessGroup, us-gaap:MajorPropertyClass
gm:LessorOperatingLeasePaymentToBeReceivedAfterYearFour

gm:LongTermDebtAndFinanceLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearOne
gm:BusinessGroup

gm:LongtermDebtandFinanceLeaseObligationsMaturitiesRepaymentsofPrincipalRemainderofFiscalYear
gm:BusinessGroup

gm:LongtermDebtandFinanceLeaseObligationsMaturitiesRepaymentsofPrincipalafterYearFive
gm:BusinessGroup

gm:LongtermDebtandFinanceLeaseObligationsMaturitiesRepaymentsofPrincipalafterYearSix
gm:BusinessGroup

gm:LongtermDebtandFinanceLeaseObligationsMaturitiesRepaymentsofPrincipalinYearFive
gm:BusinessGroup

gm:LongtermDebtandFinanceLeaseObligationsMaturitiesRepaymentsofPrincipalinYearFour
gm:BusinessGroup

gm:LongtermDebtandFinanceLeaseObligationsMaturitiesRepaymentsofPrincipalinYearThree
gm:BusinessGroup

gm:LongtermDebtandFinanceLeaseObligationsMaturitiesRepaymentsofPrincipalinYearTwo
gm:BusinessGroup

gm:LongtermDebtandFinanceLeaseObligationsRepaymentsofPrincipalinNextTwelveMonths
gm:BusinessGroup
us-gaap:MajorPropertyClass
gm:OperatingLeaseRightofuseAssetAccumulatedDepreciation
us-gaap:MajorPropertyClass
gm:OperatingLeaseRightofuseAssetGross

gm:OperatingLeaseRightofuseAssetNoncurrent
us-gaap:StatementGeographical
gm:OperatingLossandTaxCreditCarryforwardsNotSubjecttoExpiration
us-gaap:StatementGeographical
gm:OperatingLossandTaxCreditCarryforwardsSubjecttoExpiration

gm:PercentageOfBenefitObligationForPensionPlansOfCanadaUkAndGermany

gm:PercentageOfPensionExpenseRecognizedInNextFourYears

gm:PercentageRecognizedAsPensionExpenseInFirstYear

gm:PolicyProductWarrantyRecallCampaignsAndCourtesyTransportationAccrualCurrent

gm:PolicyProductWarrantyRecallCampaignsAndCourtesyTransportationAccrualNonCurrent

gm:PolicyProductWarrantyRecallCampaignsandCourtesyTransportationAccrualCurrent

gm:PolicyProductWarrantyRecallCampaignsandCourtesyTransportationAccrualNoncurrent

gm:PolicyProductwarrantyandRecallcampaignsAccrual

gm:PostemploymentBenefitsIncludingFacilityIdlingReservesNonCurrent

gm:PostemploymentBenefitsIncludingFacilityIdlingReservesNoncurrent

gm:RestrictedCashandMoneyMarketFunds

gm:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionandNonoptionEquityInstrumentsOutstandingNumber

gm:SharebasedCompensationArrangementbySharebasedPaymentAwardOptionandNonoptionEquityInstrumentsWeightedAverageGrantDateFairValue
gm:BusinessGroup
us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
us-gaap:FairValueByAssetClass
us-gaap:CapitalizedComputerSoftwareNet

us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:StatementBusinessSegments
gm:BusinessGroup, us-gaap:CounterpartyName, us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
dei:LegalEntity, us-gaap:SubsequentEventType
us-gaap:ClassOfWarrantOrRightOutstanding
gm:BusinessGroup, us-gaap:CounterpartyName, us-gaap:DerivativeInstrumentRisk

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiabilityNoncurrent
gm:BusinessGroup
us-gaap:DebtInstrumentFairValue
gm:BusinessGroup, gm:DebtType
gm:BusinessGroup, us-gaap:FairValueByFairValueHierarchyLevel
gm:BusinessGroup
us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
gm:BusinessGroup, gm:DebtType, us-gaap:CreditFacility
us-gaap:DebtWeightedAverageInterestRate
gm:BusinessGroup, gm:DebtType, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
gm:BusinessGroup, gm:DebtType, us-gaap:LongtermDebtType
gm:BusinessGroup, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
gm:BusinessGroup, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
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:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
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:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation
gm:BusinessGroup
us-gaap:DerivativeAssets
gm:BusinessGroup, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation
gm:BusinessGroup, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation
dei:LegalEntity, gm:BusinessGroup, us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation
us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet
gm:BusinessGroup
us-gaap:DerivativeCollateralRightToReclaimCash
gm:BusinessGroup
us-gaap:DerivativeCollateralRightToReclaimSecurities
gm:BusinessGroup
us-gaap:DerivativeLiabilities
gm:BusinessGroup, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation
gm:BusinessGroup, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation
gm:BusinessGroup
us-gaap:DerivativeNotionalAmount
gm:BusinessGroup, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation
gm:BusinessGroup, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:HedgingDesignation
gm:BusinessGroup, us-gaap:HedgingDesignation
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DividendsReceivable
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DueFromRelatedParties
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DueToRelatedPartiesCurrentAndNoncurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:PlanName

us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestments
gm:BusinessGroup, us-gaap:ConsolidationItems
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
gm:BusinessGroup
us-gaap:FinanceLeaseLiability
gm:BusinessGroup
us-gaap:FinancingReceivableAllowanceForCreditLosses
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableModificationsRecordedInvestment
gm:BusinessGroup, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
gm:BusinessGroup, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
gm:BusinessGroup, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
gm:BusinessGroup, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
gm:BusinessGroup, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
gm:BusinessGroup, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePercentPastDue1
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivableRecordedInvestmentCurrent
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableRecordedInvestmentPastDue
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableRevolving
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:GuaranteeObligationsMaximumExposure
gm:BusinessGroup, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:HedgedLiabilityFairValueHedge
gm:BusinessGroup, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryWorkInProcessAndRawMaterialsNetOfReserves

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
gm:BusinessGroup, us-gaap:MajorPropertyClass
us-gaap:LessorOperatingLeasePaymentsToBeReceived
gm:BusinessGroup, us-gaap:MajorPropertyClass
us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears
gm:BusinessGroup, us-gaap:MajorPropertyClass
us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears
gm:BusinessGroup, us-gaap:MajorPropertyClass
us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths
gm:BusinessGroup, us-gaap:MajorPropertyClass
us-gaap:LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear
gm:BusinessGroup, us-gaap:MajorPropertyClass
us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears
gm:BusinessGroup, us-gaap:MajorPropertyClass
us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears
gm:BusinessGroup, gm:DebtType, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
gm:BusinessGroup, us-gaap:LongtermDebtType
gm:DebtType, us-gaap:CreditFacility, us-gaap:LongtermDebtType, us-gaap:StatementScenario
gm:DebtType, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
gm:DebtType, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
gm:DebtType, us-gaap:LongtermDebtType
gm:DebtType, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
gm:DebtType, us-gaap:StatementScenario, us-gaap:CreditFacility, us-gaap:LongtermDebtType
gm:DebtType, us-gaap:StatementScenario, us-gaap:LongtermDebtType
gm:BusinessGroup
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LitigationReserve
us-gaap:BalanceSheetLocation

us-gaap:LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
gm:BusinessGroup
gm:BusinessGroup, gm:DebtType
us-gaap:LongTermDebtFairValue
gm:BusinessGroup
us-gaap:LongtermDebtWeightedAverageInterestRate
gm:BusinessGroup, gm:DebtType, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
gm:BusinessGroup, gm:DebtType, us-gaap:LongtermDebtType
us-gaap:LitigationCase
us-gaap:LossContingencyAccrualAtCarryingValue
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:BalanceSheetLocation
us-gaap:LossContingencyAccrualProductLiabilityGross
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyEstimateOfPossibleLoss
us-gaap:LitigationCase
us-gaap:LossContingencyRangeOfPossibleLossPortionNotAccrued
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:MoneyMarketFundsAtCarryingValue
gm:BusinessGroup
us-gaap:NotesAndLoansReceivableNetCurrent
gm:BusinessGroup, us-gaap:ConsolidatedEntities
gm:BusinessGroup
us-gaap:NotesAndLoansReceivableNetNoncurrent
gm:BusinessGroup, us-gaap:ConsolidatedEntities
gm:BusinessGroup
us-gaap:NotesReceivableGross
gm:BusinessGroup, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
gm:BusinessGroup
us-gaap:NotesReceivableNet
gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:FinancingReceivablePortfolioSegment
gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment

us-gaap:OperatingLeaseResidualValueOfLeasedAsset

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherAccruedLiabilitiesNoncurrent
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementScenario
us-gaap:OtherCommitment

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
us-gaap:RetirementPlanType
gm:BusinessGroup, us-gaap:ConsolidatedEntities
us-gaap:PropertySubjectToOrAvailableForOperatingLeaseNet
gm:BusinessGroup, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:ReceivablesFairValueDisclosure

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent
gm:BusinessGroup, us-gaap:ConsolidatedEntities
us-gaap:RestrictedCashAndInvestmentsCurrent
gm:BusinessGroup, us-gaap:ConsolidatedEntities
us-gaap:RestrictedCashAndInvestmentsNoncurrent

us-gaap:RestructuringReserve
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RetainedEarningsUndistributedEarningsFromEquityMethodInvestees

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
gm:BusinessGroup
us-gaap:ShortTermDebtWeightedAverageInterestRate

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:ConsolidatedEntities
us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Liability Noncurrent
Assets
Inventory Net
Current Assets
Other Assets Current
NonCurrent Assets
Goodwill
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Liabilities Current
Current Liabilities
Contract With Customer Liability Current
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
InventoryNet
Inventory Finished Goods Net Of Reserves

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:CommonStockValue ▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▄▄▄▄█▄▄███████▄▁▁▁▁█████▄15.014.014.014.014.014.014.014.014.014.014.014.014.014.014.014.015.015.015.015.016.015.015.016.016.016.016.016.016.016.015.014.014.014.014.016.016.016.016.016.015.0NA15.0NANANA
 us-gaap:PreferredStockParOrStatedValuePerShare us-gaap:StatementClassOfStock us-gaap:SeriesCPreferredStockNANANA1e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesIssued ▅▅▂▂▂▂▂▂▂▂▂▂▂▂▂▂▅▅▅▅█▅▅███████▅▂▂▂▁▇▇▇▇▇▇1500.01500.01400.01400.01400.01400.01400.01400.01400.01400.01400.01400.01400.01400.01400.01400.01500.01500.01500.01500.01600.01500.01500.01600.01600.01600.01600.01600.01600.01600.01500.01400.01400.01400.01366.3735261565.9798951565.9410481565.8427581564.7272891564.3666731561.450455NA1500.136998NANANA
us-gaap:CommonStockSharesOutstanding ▅▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▅▅▅▅█▅▅███████▅▂▂▂▁▇▇▇▇▇▅1500.01400.01400.01400.01400.01400.01400.01400.01400.01400.01400.01400.01400.01400.01400.01400.01500.01500.01500.01500.01600.01500.01500.01600.01600.01600.01600.01600.01600.01600.01500.01400.01400.01400.01366.3735261565.9798951565.9410481565.8427581564.7272891564.3666731500.844394NA1500.136998NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁1468.01464.0NA1439.01432.01440.0NA1442.01438.01436.0NA1431.01431.01430.0NA1472.01519.01532.0NA1574.01581.01580.0NA1618.01660.01686.0NA1691.01688.01691.0NA1681.01677.01507.0NA1663.01671.0NANA1682.01654.0NANA1630.01567.0NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁1451.01447.0NA1432.01432.01433.0NA1428.01420.01417.0NA1412.01410.01408.0NA1445.01497.01505.0NA1550.01548.01546.0NA1577.01596.01617.0NA1612.01608.01587.0NA1386.01376.01372.0NA1570.01569.0NANA1562.01505.0NANA1500.01500.0NA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▄▄2.02.0NA31.043.032.0NA7.07.08.0NA4.04.04.0NA6.06.00.0NA26.026.026.0NA46.046.046.0NA46.046.046.0NA46.046.046.0NA46.046.0NANANANANANANANANA
us-gaap:EarningsPerShareBasic ▆▆▆▇▄▄▄▆▆▆▆▆▆▅▁▂▅▆▅▆▆▅█▅▅▅▅▅▄▄▅▅▅▅▅▅▅▅▅▅▆▆▅▅▅▅1.922.061.95000000000000022.8-0.560.17-0.169999999999999931.621.681.51.421.771.680.73-3.52-2.061.111.731.211.791.851.264.030.860.70.580.690.860.120.080.640.50.870.630.580.940.950.640.31.11.682.090.341.310.890.58
us-gaap:EarningsPerShareDiluted ▆▆▆▇▄▄▄▆▆▆▆▆▆▅▁▂▅▆▅▆▆▅█▅▅▅▅▅▄▄▅▅▅▅▅▅▅▅▅▅▆▆▅▅▅▅1.92.031.93000000000000022.78-0.560.17-0.169999999999999931.61.661.481.40000000000000041.751.660.72-3.45-2.031.091.71.191.761.811.243.920.840.670.560.660.810.110.060.570.450.750.580.540.890.90.60.281.031.541.770.311.20.850.55
  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
 COGS Ratio gm:BusinessGroup gm:Automotive█▁30744.029067.0NA32067.013363.029150.0NA31817.032425.031261.0NA32276.033275.032691.0NA30466.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName gm:AutomotiveChinaJointVentures▁█8954.09875.0NA11029.09239.04321.0NA9695.09002.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio gm:BusinessGroup gm:Automotive█▁30744.029067.0NA32067.013363.029150.0NA31817.032425.031261.0NA32276.033275.032691.0NA30466.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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
 TTM Greenblatt ROC _ _████▇▇▇██▇▇▇▇▇████▇████▇▇▇▇▇▇▇▇██▇▁▇█▇▇2882.03277.02767.04424.0-1214.0657.0-554.02304.02487.01244.0829.01610.01477.0529.02578.01916.02618.02745.01520.03017.03036.01972.01859.0997.01288.0753.01309.01227.0-471.0-535.0165.02256.01751.0959.0-34783.01603.01821.0996.0450.0NANANANANANANA
  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:ComprehensiveIncomeNetOfTax ▆▆▅▇▄▄▃▆▆▆▅▆▆▅▂▄▅▆▅▆▆▆█▅▅▅▃▅▅▅█▆▅▅▅▅▅▅▁▆▆▇3166.03184.01313.03991.0-859.0-350.0-2353.02124.02497.02347.01326.02384.02300.01074.0-5379.0-1395.01541.02688.0458.02725.03015.01935.06264.0868.0905.01687.0-3156.01674.0283.0188.05908.01776.0985.01616.0-134.01104.01619.01408.0-6548.01948.03069.03616.0NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▄▆▅▅▅▅▆▄▅▅▇▆▅▆▅▆▆▆▃▄▆▅▅▆▇▅▆▅▆█▆▆▅▆▁▇▇▇▇▅██-57.0-15.0-33.0-21.0-18.0-20.011.0-50.0-20.0-17.024.0-4.0-28.0-7.0-29.0-3.04.08.0-88.0-75.0-13.0-42.0-31.0-16.022.0-28.012.0-37.07.064.09.0-15.0-29.02.0-160.031.044.044.021.0-39.049.056.0NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▆▆▅▇▄▄▃▆▆▆▅▆▆▅▂▄▅▆▅▆▆▆█▅▅▅▃▅▅▅█▆▅▅▄▅▅▅▁▆▆▇3109.03169.01280.03970.0-877.0-370.0-2342.02074.02477.02330.01350.02380.02272.01067.0-5408.0-1398.01545.02696.0370.02650.03002.01893.06233.0852.0927.01659.0-3144.01637.0290.0252.05917.01761.0956.01618.0-294.01135.01663.01452.0-6527.01909.03118.03672.0NANANANA
 us-gaap:CostOfGoodsAndServicesSold gm:BusinessGroup gm:Automotive█▁27266.025115.0NA27169.013444.026726.0NA28174.028327.028229.0NA28533.030071.030184.0NA26852.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▇▇▆█▁▃▂▅▆▅▄▅▆▄▆▅▆▆▄▆▇▅▆▄▄▄▅▄▂▂▄▅▅▄3750.04191.03439.04905.0-892.0643.0-355.02582.02927.02282.01458.02630.02885.01576.02993.02430.02967.03317.01985.03488.03721.02490.03058.01506.01717.01437.02288.01869.033.056.01187.02547.02130.01594.0NANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▇▇▇▇▇▇▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▇▆▇▇▇▇▇▇▇▇▇▇▇▁▇▇▇▇▇▇▇▇▇▇971.01177.0642.0887.0-112.0357.0-163.0271.0524.0137.0-611.0100.0519.0466.07896.02316.0534.0700.0216.0776.0871.0559.0-3168.0165.0577.0529.0279.0427.0-254.0-224.0134.0842.0742.0409.0-35645.0357.0241.0216.0-293.0107.0-61.0137.0-173.0-25.0361.0NA
 us-gaap:InterestExpense gm:BusinessGroup gm:Automotive▅▆▆█▇▄▄▄▄▄▄▃▃▃▂▃▂▂▃▃▃▂▂▁▁▁▁▁▁▁243.0250.0275.0327.0303.0193.0200.0206.0195.0181.0185.0161.0159.0150.0145.0151.0132.0144.0150.0148.0147.0127.0113.0112.0108.0110.0104.096.0100.0103.0NANANANANANANANANANANANANANANANA
 us-gaap:LitigationSettlementExpense us-gaap:LitigationCase,us-gaap:Range,us-gaap:LitigationStatus gm:IgnitionSwitchRecallLitigationsEconomicDamage,srt:Maximum,gm:ProposedSettlementNANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▆▆▆▇▄▄▄▆▆▅▅▆▆▅▁▂▅▆▅▆▆▅█▅▅▅▅▅▄▄▅▅▅▅▅▅▅▅▅▅▆▆▅▅▅▅2836.03022.02846.04045.0-758.0294.0-194.02351.02418.02157.02044.02534.02390.01046.0-5151.0-2981.01660.02608.01835.02773.02866.01953.06266.01359.01117.0945.01987.01471.0278.0213.01040.01717.01414.01175.01194.01833.01846.01315.0725.02107.02992.03366.01406.02162.01536.01068.0
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▄▆▄▅▅▆▆▅▅▅▇▆▅▆▅▆▆▆▄▄▅▅▅▅▆▅▆▅▆█▆▅▅▆▁▆▇▇▆▅▇▇███-57.0-8.0-49.0-27.0-22.0-8.02.0-40.0-15.0-12.025.0-4.0-24.0-6.0-29.0-1.03.09.0-60.0-61.0-16.0-22.0-40.0-18.023.0-37.022.0-29.09.067.013.0-12.0-26.010.0-163.021.055.035.022.0-15.045.045.066.061.076.0NA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▆▆▆▇▄▄▄▆▆▅▅▆▆▅▁▂▅▆▅▆▆▅█▅▅▅▅▅▄▄▅▅▅▅▅▅▅▅▄▅▆▆▄▅▅2790.02976.02801.04005.0-806.0247.0-232.02313.02381.02119.02006.02503.02375.01032.0-5165.0-2983.01660.02608.01835.02773.02866.01953.06266.01359.01117.0945.01105.01384.0190.0125.0913.0698.01200.0865.0892.01476.01487.01004.0472.01726.02524.03151.0510.01959.01334.0NA
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▆▆▆▇▄▄▄▆▆▅▅▆▆▅▁▂▅▆▅▆▆▅█▅▅▅▅▅▄▄▅▅▅▅▅▅▅2790.02976.02801.04005.0-806.0247.0-232.02313.02381.02119.02006.02503.02375.01032.0-5165.0-2983.01660.02608.01836.02773.02865.01952.06268.01357.01113.0945.01109.01376.0190.0108.0952.0757.01260.0873.0898.01483.01496.0NANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ▇▇▆▅▅▄▃▃▅▇▅▆█▆▂▃▂▃▃▃▃▃▄▃▂▄▅▄▃▃▇▂▄▃▃▄▃▄▁▃▄▆▇▅▂784.0799.0662.0499.0413.0311.0131.0169.0364.0805.0466.0651.0930.0549.013.0165.0-49.0161.050.0122.0172.085.0248.0119.013.0241.0414.0239.081.089.0723.0-82.0251.0171.0113.0318.0139.0275.0-213.0152.0308.0604.0797.0377.0-91.0NA
 us-gaap:OperatingCostsAndExpenses gm:BusinessGroup gm:GmFinancial▁▃▄▃▇█▇▆▇█▇▇▆▆▆▆1894.02279.02421.02259.03238.03356.03177.02987.03144.03306.03224.03064.02996.03014.02995.02892.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingExpenses █▁31285.029197.0NA31056.017992.032052.0NA33169.033573.033634.037570.034181.035283.035570.035510.032047.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss ████▇▇▇██▇▇▇▇▇████▇████▇▇▇▇▇▇▇▇██▇▁▇█▇▇██▇▇██2882.03277.02767.04424.0-1214.0657.0-554.02304.02487.01244.0829.01610.01477.0529.02578.01916.02618.02745.01520.03017.03036.01972.01859.0997.01288.0753.01309.01227.0-471.0-535.0165.02256.01751.0959.0-34783.01603.01821.0996.0450.01806.02451.0949.0280.01733.01903.0NA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▇▆█▆▆▁▆▄▆▇▅▅▄▆▇█▆▆▄▅▆▆▄▃▅▇▄▅▆▅▄▅▃▇▆▆▅▆▇▄302.0-5.0441.067.0-58.0-973.0134.0-357.068.0149.0-212.0-209.0-328.034.0175.0371.093.0108.0-357.0-92.0-19.084.0-359.0-645.0-143.0192.0-342.0-79.046.0-98.0-336.0-154.0-506.0263.0-58.07.0-115.063.0147.0-446.0NANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▅▄▅▅▅▄▅▅▅▅▅▅▅▅▆▅▅▄▅▅▅▅▅▅▆▂▅▅▅█▅▅▅▄▅▅▅▁▅330.0155.0-1517.0-48.0-97.0-656.0-2150.0-237.074.0185.0-719.0-150.0-94.027.0-228.01584.0-118.079.0-1405.0-62.0152.0-38.07.0-489.0-213.0751.0-5153.0195.03.0-28.04864.056.0-432.0433.0-1325.0-719.0-238.0102.0-7274.0-183.0NANANANANANA
us-gaap:OtherIncome ▄▂▂▁▁▄▆▅▇█83.070.073.060.063.091.0104.0100.0117.0123.0NANA105.097.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▆▆▆▇▄▄▄▆▆▅▅▆▆▅▁▂▅▆▅▆▆▅█▅▅▅▅▅▄▄▅▅▅▅▅▅▅▅▅▅▆▆▅▆▅▅2779.03014.02797.04018.0-780.0286.0-192.02311.02403.02145.02069.02530.02366.01040.0-5180.0-2982.01663.02617.01775.02712.02850.01931.06226.01341.01140.0908.02009.01442.0287.0280.01053.01705.01388.01185.01031.01854.01901.01350.0747.02092.03037.03411.01472.02223.01612.01196.0
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▅▅▆▅▁▅▅▅▅▅▇▆▆▆▇▆▆▇███▆▇▇▇▆▇▇▇▇▇▇▇▆▇▇▇▇▇▆▇▆▆▆▆▅30744.029067.034093.032067.013363.029150.030826.031817.032425.031261.038399.035791.036760.036099.037715.033623.036984.041200.043918.042825.042372.037265.039621.038843.038180.035712.039617.039255.039649.037408.040485.038983.039075.036884.039307.037576.037614.037759.037990.036719.039373.036194.036882.034060.033174.031476.0
us-gaap:Revenues ▅▅▆▆▁▅▅▆▆▆▇▆▆▆▆▅▆▇███▆▇▇▇▆▇▇▇▆▇▇▇▆▇▆▆▆▆▆▇▆▆▅▅▅34167.032474.037518.035480.016778.032709.030826.035473.036060.034878.038399.035791.036760.036099.037715.033623.036984.041200.043918.042825.042372.037265.039621.038843.038180.035712.039617.039255.039649.037408.040485.038983.039075.036884.039307.037576.037614.037759.037990.036719.039373.036194.036882.034060.033174.031476.0
 us-gaap:SellingGeneralAndAdministrativeExpense gm:BusinessGroup gm:Automotive█▁2125.01803.0NA1628.01310.01970.0NA2008.02102.02099.0NA2584.02216.02372.0NA2303.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 █▇▇█▇█▇▇▇▇▇▇▆▆▆▇█▇▆▆▆▅▄▄▄▃▃▃▃▃▂▃▂▂▁▂▂▁▁▁▁241803.0238411.0235194.0239671.0237535.0246624.0228037.0231529.0233737.0233132.0227339.0225711.0218641.0218726.0212482.0229502.0240300.0230793.0221690.0217576.0210449.0203618.0194520.0189000.0185812.0179918.0177677.0176908.0179098.0173606.0166344.0168539.0163110.0153775.0149422.0155456.0151987.0150194.0144603.0148497.0150415.0NA138898.0NANANA
us-gaap:Liabilities ▇▇▇▇▇█▇▇▇▇▇▇▆▇▆▇▇▇▆▆▅▅▅▅▄▄▄▃▃▃▂▃▂▂▂▂▂▂▁▁▁183927.0183968.0185517.0191663.0194042.0202307.0182080.0182758.0186648.0188494.0184562.0184803.0180005.0183268.0176282.0186025.0194575.0184579.0177615.0172561.0166446.0162293.0154197.0153865.0150142.0143095.0141653.0133345.0136513.0130766.0123170.0131178.0124106.0115440.0112422.0112827.0110377.0110054.0105612.0102881.0108383.0NA101739.0NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▇▇█▇█▇▇▇▇▇▇▆▆▆▇█▇▆▆▆▅▄▄▄▃▃▃▃▃▂▃▂▂▁▂▂▁▁▁▁241803.0238411.0235194.0239671.0237535.0246624.0228037.0231529.0233737.0233132.0227339.0225711.0218641.0218726.0212482.0229502.0240300.0230793.0221690.0217576.0210449.0203618.0194520.0189000.0185812.0179918.0177677.0176908.0179098.0173606.0166344.0168539.0163110.0153775.0149422.0155456.0151987.0150194.0144603.0148497.0150415.0NA138898.0NANANA
us-gaap:StockholdersEquity █▇▅▅▃▃▄▅▄▄▃▃▂▁▁▄▆▆▅▅▅▄▃▁▁▂▁▅▄▄▄▂▃▂▂▄▄▃▃▅▄51669.048343.045030.043341.039304.040113.041792.044554.042816.040765.038860.038061.036181.034298.035001.042243.045521.045972.043836.044720.043630.040932.039871.034638.035146.036329.035457.043002.041994.042222.042607.036778.038374.037587.036244.041659.040700.039256.038120.044744.041118.0NA36180.0NANANA
  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 ▅▅▄▆▆█▃▄▄▄▃▃▂▂▂▃▅▄▃▃▃▂▄▅▅▅▅▆▇▆▅▄▄▃▂▃▂▂▁82609.082091.080924.089177.087497.097699.074992.080565.081306.080090.075293.074848.070451.071435.068744.076618.085081.079598.076203.076496.074630.071034.078007.082341.084554.083231.083670.086640.091643.086825.081501.081164.077745.072570.069996.072107.070233.069216.064923.0NANANANANANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▄▃▃▅▅█▃▃▂▂▃▃▂▁▂▁▂▁▁▂▃▂▂▂▂▂▃▂▃▃▃▃▃▃▃▄▄▂▂▃▃▃▃22920.021609.019992.026939.028228.038506.019069.020051.017072.017176.020844.018435.015087.014256.015512.012792.016598.012864.012960.015932.018923.014894.015238.015433.017627.015776.018954.018060.019864.019426.020021.020355.019697.020643.018422.023320.022184.017378.016071.020604.020997.021308.021256.0NANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▄▄▃▅▆█▃▃▂▃▃▃▂▂▂▁▂▁▁▂▃27365.024876.023117.029856.032640.041166.022943.022899.020181.020781.023496.020858.017771.017547.017848.015880.019545.015546.015160.018119.021094.0NA17332.0NANANA21189.0NANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▂▅▁█▁8167.09126.08035.09939.07946.0NA6797.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InventoryNet ▅▄▁▂▂▂▂▃▃▃▁▃▂▃▂▃▃▇▆█▇█▆▆▆▆▅▇▇▇▆▇▇▇▇███▆13102.012066.010235.010934.010280.010799.010398.011797.011447.011108.09816.011334.010833.011461.010663.011789.011289.014686.013788.015427.015026.015817.013764.014368.014218.014051.013642.015210.015200.014837.014039.015357.014777.015200.014714.015672.015433.015844.014324.0NANANANANANANA
us-gaap:OtherAssetsCurrent ▇▆▇▆█▆▇▆▇▆▄▄▅▅▄▄▄▄▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▁▁7765.06936.07407.06841.08938.06918.07953.07051.07451.06439.05021.04881.05249.05893.04465.04909.04324.04704.04015.02034.02073.01658.01482.01485.01520.01618.01584.01851.01910.01747.01662.01774.01699.01543.01536.02110.02087.01985.01696.0NANANANANANANA
  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 NANA77451.0NANANA80872.0NANANA82698.0NANANA80329.0NANANA72242.0NANANA54224.0NANANA38400.0NANANA31648.0NANANA27647.0NANANA26277.0NANANA21850.0NANANA
 us-gaap:NoncurrentAssets gm:BusinessGroup,us-gaap:StatementGeographical gm:Automotive,country:USNANA24932.0NANANA25401.0NANANA25625.0NANANA24473.0NANANA22241.0NANANA21091.0NANANA18813.0NANANA15844.0NANANA13520.0NANANA11736.0NANANANANANANA
 us-gaap:NoncurrentAssets gm:BusinessGroup,us-gaap:StatementGeographical gm:Automotive,us-gaap:NonUsNANA12516.0NANANA13190.0NANANA13263.0NANANA12715.0NANANA15196.0NANANA12742.0NANANA12355.0NANANA12289.0NANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets gm:BusinessGroup,us-gaap:StatementGeographical gm:GmFinancial,country:USNANA36773.0NANANA39509.0NANANA41334.0NANANA40674.0NANANA32506.0NANANA18501.0NANANA5477.0NANANA2472.0NANANA1112.0NANANA532.0NANANANANANANA
 us-gaap:NoncurrentAssets gm:BusinessGroup,us-gaap:StatementGeographical gm:GmFinancial,us-gaap:NonUsNANA3230.0NANANA2772.0NANANA2476.0NANANA2467.0NANANA2299.0NANANA1890.0NANANA1755.0NANANA1043.0NANANANANANANANANANANANANANANA
us-gaap:AssetsNoncurrent ███▇▇▇▇▇▇▇▇▇▇▇▇▇█▇▇▆▆▆▄▃▃▃▂▂▂▂▁▂▂▁▁▁▁▁▁159194.0156320.0154270.0150494.0150038.0148925.0153045.0150964.0152431.0153042.0152046.0150863.0148190.0147291.0143738.0152884.0155219.0151195.0145487.0141080.0135819.0132584.0116513.0106659.0101258.096687.094007.090268.087455.086781.084843.087375.085365.081205.079426.083349.081754.080978.079680.0NANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross NANA65455.0NANANA67449.0NANANA65483.0NANANA60334.0NANANA53269.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
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us-gaap:PropertyPlantAndEquipmentNet ██▇▇▇████████▇▇▆▆▇▇▆▆▅▅▄▃▃▃▃▃▂▂▂▂▂▂▃▂▂▁38822.037797.037632.036989.037066.037969.038750.037969.038188.038336.038758.038655.038003.037321.036253.035178.034301.037202.035820.034713.033510.032652.031229.029381.028431.027755.027743.027375.027023.026367.025867.026247.025351.024893.024196.026578.025026.024275.023005.0NANANANANANANA
us-gaap:Goodwill NANA1900.01900.01900.01800.01900.0NANANA1900.0NANANA1900.0NANANA1900.0NANANANANANANA1427.01559.01573.01563.01560.01953.01993.01968.01973.028408.028405.028433.029019.0NANANA31778.0NANANA
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us-gaap:IntangibleAssetsNetIncludingGoodwill ▁▁▁▁▂▁▂▂▃▃▃▄▄▄▅▅▆▇▇██▅▅▆▇▇█5169.05185.05230.05245.05282.05225.05337.05408.05457.05518.05579.05651.05720.05790.05849.05854.05989.06193.06259.06354.06433.05891.05947.06083.06181.06297.06410.0NANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet ▁▄██21700.022400.023482.023400.0NANA23916.0NANANA23302.0NANANA22856.0NANANA34588.0NANANA36257.0NANANA34231.0NANANA32081.0NANANA36586.0NANANA78.0NANANA-140.0NANANA
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 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:MajorPropertyClass us-gaap:Vehicles▃▃▂▁▁▄▅▆▇▇█40596.040343.039819.039358.039607.041306.042092.042659.043113.043240.043806.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent █▇▇▆▆▆▇▇▇█▅▅▅▅▄▄▃▄▃▃▃▃▁▁▁▁▁▁▁▁▁▂▂▁▁▂▂▃▂7810.07237.07264.06695.06712.06525.07346.07038.07257.08119.05770.05946.05344.05169.04929.05005.03994.04279.04070.03688.03697.03705.02438.02345.02441.02353.02089.02377.02425.02324.02352.02896.02598.02377.02358.02778.03151.03411.02928.0NANANANANANANA
  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 ▄▄▃▄▁▄▄▄▅▆▅▆▆▇▆▅▅█▇█▇▇▆▆▆▆▅▆▇▇▅▇▇▇▆▇▇▇▆21431.020446.019928.020914.015154.020031.021018.021406.022717.024560.022297.025147.024660.026039.023929.023265.023404.028725.026961.028628.026959.026766.024062.025188.024247.025187.022529.024773.026992.027715.023621.027242.026820.027117.025166.026313.026425.027576.024551.0NANANANANANANA
us-gaap:AccruedLiabilitiesCurrent ▁▂▃▄▃▅▅▆▇▆▆▆▆▆▅▅▅▇▇▇▆▅▆██▆▆▇▇▅▄▄▃▃▃▄▅▄▃19190.020809.023069.023916.022727.026200.026487.028072.028428.027471.028049.028104.027368.027330.025996.026603.026601.028478.029192.028533.027854.026633.027842.030549.030878.027804.028184.029170.029552.026658.024633.023882.023240.022450.023308.025032.025134.023651.022875.0NANANANANANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▁██▇█2660.03104.03132.03054.03106.0NA3234.0NANANA3504.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtCurrent gm:BusinessGroup gm:Automotive▂▂▃▄▅▃▄▅▅▄▂▅▅█▅▂▂▃▂▂▂▂▂▁▁▁▁▁▁▁▁▃896.01146.01276.02271.02710.01730.01897.02890.02490.01999.0935.02915.02807.04341.02515.01127.01066.01350.01167.01012.01031.0832.0817.0641.0462.0411.0500.0578.0610.0522.0564.01786.0NANA1748.0NANANANANANANANANANANA
 us-gaap:DebtCurrent gm:BusinessGroup gm:GmFinancial▆▆▆▆▇█▆▆▅▅▅▅▄▄▄▄▅▆▅▄▃▃▃▂▂▂▂▂▂▂▂▁33294.033922.035637.033502.037313.043331.035503.031884.030659.031273.030956.027950.025457.025006.024450.024480.028942.032351.027861.024362.020199.020756.018745.016361.013941.013940.014488.012808.015193.014327.013594.09653.0NANA3770.0NANANANANANANANANANANA
 us-gaap:DebtCurrent gm:BusinessGroup,us-gaap:ConsolidatedEntities gm:GmFinancial,us-gaap:VariableInterestEntityPrimaryBeneficiary▁▁▄▂█18090.018228.020450.018729.024245.0NA23952.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▅▅▆▆▅▇▆▆▆▆▆▆▆▆▅▆█▇▆▆▅▅▄▄▄▃▃▃▄▄▃▃▂▂▁▂▂▂▁74811.076323.079910.080603.077904.091292.084905.084252.084294.085303.082237.084116.080292.082716.076890.081849.094306.090904.085181.082535.076043.074987.071466.072739.069528.067342.065701.067329.072347.069222.062412.062563.060021.056539.053992.057623.056651.056577.053226.0NANANANANANANA
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us-gaap:OtherAccruedLiabilitiesCurrent ▁▃▄▇█7100.07506.07725.08273.08465.0NA7895.0NANANA7508.0NANANA6372.0NANANA6909.0NANANA6623.0NANANA6712.0NANANA5881.0NANANA4947.0NANANA4981.0NANANANANANANA
  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:LiabilitiesNoncurrent ▇▇▇▇█▇▆▆▆▇▆▆▆▆▆▇▆▆▅▅▅▅▄▄▄▄▄▂▂▂▂▃▂▂▂▁▁▁▁109116.0107645.0105607.0111060.0116138.0111015.097175.098506.0102354.0103191.0102325.0100687.099713.0100552.099392.0104176.0100269.093675.092434.090026.090403.087306.082731.081126.080614.075753.075952.066016.064166.061544.060758.068615.064085.058901.058430.055204.053726.053477.052386.0NANANANANANANA
 us-gaap:LongTermDebt gm:BusinessGroup gm:GmFinancial▇█▁93570.093695.092425.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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 us-gaap:LongTermDebt gm:BusinessGroup,gm:DebtType gm:Automotive,us-gaap:UnsecuredDebt▂▂▂▆█▆▁16743.016968.016929.028194.034308.029884.013909.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt gm:BusinessGroup,gm:DebtType gm:GmFinancial,us-gaap:SecuredDebt▁██38999.039965.039982.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt gm:BusinessGroup,gm:DebtType gm:GmFinancial,us-gaap:UnsecuredDebt█▅▁54571.053730.052443.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations gm:BusinessGroup gm:GmFinancialNANA92425.088822.092252.096189.088938.089128.091114.092131.090988.086377.084440.083520.080717.079038.078479.079949.073876.068348.064500.060371.054346.048259.044330.039125.037431.033774.032602.030558.029046.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations gm:BusinessGroup,gm:DebtType gm:Automotive,us-gaap:SecuredDebtNANA303.0NANANA167.0NANANA143.0NANANA204.0NANANA136.0NANANA220.0NANANA237.0NANANA320.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations gm:BusinessGroup,gm:DebtType gm:Automotive,us-gaap:UnsecuredDebtNANA16929.0NANANA13909.0NANANA13292.0NANANA12579.0NANANA9795.0NANANA7619.0NANANA8205.0NANANA5852.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations gm:BusinessGroup,gm:DebtType gm:GmFinancial,us-gaap:SecuredDebtNANA39982.035671.040308.046170.039959.039029.041047.041625.042835.039722.039083.039441.039887.040775.038828.042579.039270.035237.034338.032733.030689.028284.026617.024693.025214.022932.025006.023386.022073.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations gm:BusinessGroup,gm:DebtType gm:GmFinancial,us-gaap:UnsecuredDebtNANA52443.053151.051944.050019.048979.050099.050067.050506.048153.046655.045357.044079.040830.038263.039651.037370.034606.033111.030162.027638.023657.019975.017713.014432.012217.010842.07596.07172.06973.0NANANANANANANANANANANANANANANA
 us-gaap:LongTermDebtAndCapitalLeaseObligations gm:BusinessGroup gm:Automotive▄▄▄▆█▇▃▃▃▃▃▃▂▂▂▃▂▂▂▂▂▂▁▂▂▂▂▁▁▁▁▁16422.016406.016193.026473.032211.028581.012489.012448.012957.012954.013028.013048.011012.010957.010987.012508.09544.09602.09585.09740.09789.09946.07948.08503.08725.08722.08910.06753.06864.06687.06573.06662.0NANA3424.0NANANANANANANANANANANA
 us-gaap:LongTermDebtAndCapitalLeaseObligations gm:BusinessGroup gm:GmFinancial██▇▇▇▇▇▇██████▇▇▆▆▆▅▆▅▄▄▃▃▂▂▂▁▁▁60276.059773.056788.055320.054939.052858.053435.057244.060455.060858.060032.058427.058983.058514.056267.054558.049537.047598.046015.043986.044301.039615.035601.031898.030389.025185.022943.020966.017409.016231.015452.014022.0NANA7108.0NANANANANANANANANANANA
 us-gaap:LongTermDebtAndCapitalLeaseObligations gm:BusinessGroup,us-gaap:ConsolidatedEntities gm:GmFinancial,us-gaap:VariableInterestEntityPrimaryBeneficiary▇█▅▂▁20511.021381.018974.016746.015961.0NA15819.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation,us-gaap:RetirementPlanType country:US,us-gaap:PensionPlansDefinedBenefitNANA5325.0NANANA5377.0NANANA5015.0NANANA5740.0NANANA7132.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation,us-gaap:RetirementPlanType us-gaap:ForeignPlan,us-gaap:PensionPlansDefinedBenefitNANA7577.0NANANA6793.0NANANA6523.0NANANA8006.0NANANA8132.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType us-gaap:OtherPostretirementBenefitPlansDefinedBenefitNANA6277.0NANANA5935.0NANANA5370.0NANANA5998.0NANANA5803.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ██▆▆▆▆▆▆▆▅▅▄▄▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂6207.06100.04647.04667.04189.04204.04165.04217.04273.03873.03917.02847.02455.01160.01199.01234.0204.0242.0239.0295.0373.0393.0452.0497.0524.0494.0567.0561.0591.0618.0567.0583.0630.0748.0756.0970.0910.0884.0871.0872.0914.0NA979.0NANANA
us-gaap:OtherLiabilitiesNoncurrent ▇▄▅▂▁▂▄▄▃▃▂▂▁▁▂▃▂▄▄▄▃▃▃▄▄▅▆▇█▅▄▆▅▄▄▃▃▃▂14652.013166.013447.012424.011903.012305.013146.013290.012794.012917.012357.012261.011876.011945.012394.012743.012438.013068.013080.013084.012699.012780.012586.013148.013248.013551.014082.014371.014999.013641.013353.014046.013472.013428.013169.012757.012735.012754.012442.0NANANANANANANA
us-gaap:OperatingLeaseLiabilityNoncurrent █▁▆▂▄979.0945.0969.0951.0960.0NA1010.0NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA205.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA196.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA151.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA122.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA437.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 █▇▅▅▃▃▄▅▄▄▃▃▂▁▁▄▆▆▅▅▅▄▃▁▁▂▁▅▄▄▄▂▃▂▂▄▄▃▃▅▄51669.048343.045030.043341.039304.040113.041792.044554.042816.040765.038860.038061.036181.034298.035001.042243.045521.045972.043836.044720.043630.040932.039871.034638.035146.036329.035457.043002.041994.042222.042607.036778.038374.037587.036244.041659.040700.039256.038120.044744.041118.0NA36180.0NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █▇▆▆▅▅▆▆▆▅▅▅▄▃▄▅▆▆▅▅▅▅▄▃▃▄▄▅▅▅▅▄▄▄▄▅▅▄▄▅▅▄▄▁▁57876.054443.049677.048008.043493.044317.045957.048771.047089.044638.042777.040908.038636.035458.036200.043477.045725.046214.044075.045015.044003.041325.040323.035135.035670.036823.036024.043563.042585.042840.043174.037361.039004.038335.037000.042629.041610.040140.038991.045616.042032.039086.037159.023718.023901.0NA
us-gaap:CommonStockValue ▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▄▄▄▄█▄▄███████▄▁▁▁▁█████▄15.014.014.014.014.014.014.014.014.014.014.014.014.014.014.014.015.015.015.015.016.015.015.016.016.016.016.016.016.016.015.014.014.014.014.016.016.016.016.016.015.0NA15.0NANANA
us-gaap:AdditionalPaidInCapital ▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▄▄▅▅▆▆▆▆▆▇██████▁▁▁▁▅▅▄▅▄▂26844.026667.026542.026148.026087.026014.026074.025928.025765.025661.025563.025503.025465.025337.025371.025782.026328.027012.026983.027241.027734.027463.027607.027744.028161.028819.028937.028832.028840.028778.028780.023878.023818.023776.023834.026443.026399.026334.026391.026330.024412.0NA24257.0NANANA
us-gaap:RetainedEarningsAccumulatedDeficit █▇▇▆▅▅▆▆▅▅▅▄▄▄▄▅▆▆▆▅▅▅▄▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁37806.034988.031962.029134.025104.025885.026860.027609.025807.023939.022322.020865.018873.017028.017627.024230.028547.028195.026168.025417.023785.021508.020285.014912.014512.014825.014577.013975.013162.013457.013816.012903.012191.011017.010057.011533.09889.08283.07183.06595.04729.0NA266.0NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁▁▂▂▂▂▃▃▃▃▃▃▄▄▄▃▃▃▄▄▄▄▄▄▄▄▆▆▆▆▄▄▄▄▄▄▅▅██-12996.0-13326.0-13488.0-11955.0-11901.0-11800.0-11156.0-8997.0-8770.0-8849.0-9039.0-8321.0-8171.0-8081.0-8011.0-7783.0-9369.0-9250.0-9330.0-7953.0-7905.0-8054.0-8036.0-8034.0-7543.0-7331.0-8073.0-2930.0-3133.0-3138.0-3113.0-7981.0-8040.0-7611.0-8052.0-6724.0-5995.0-5768.0-5861.01412.01571.0NA1251.0NANANA
us-gaap:MinorityInterest ██▆▆▆▆▆▆▆▅▅▄▄▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂6207.06100.04647.04667.04189.04204.04165.04217.04273.03873.03917.02847.02455.01160.01199.01234.0204.0242.0239.0295.0373.0393.0452.0497.0524.0494.0567.0561.0591.0618.0567.0583.0630.0748.0756.0970.0910.0884.0871.0872.0914.0NA979.0NANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock us-gaap:PreferredStock▁█199.01537.0NA492.026.026.0NA49.0408.0NA1109.0492.01261.0NA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock,us-gaap:StatementEquityComponents us-gaap:PreferredStock,us-gaap:NoncontrollingInterest▁█199.01537.0NA492.026.026.0NA49.0408.0NA1109.0492.01261.0NA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁173.0132.0NA61.073.0-10.0NA84.069.089.0NANANANA166.0183.069.016.0201.0121.0-37.05.0155.073.0104.06.079.070.054.0-14.048.059.027.0-59.041.043.065.0-60.059.053.058.049.0NANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders █▁64.061.0NANA39.04.0NA62.023.018.063.069.07.030.00.010.0NANA6.08.09.08.03.016.09.047.00.07.036.030.00.030.037.015.042.01.09.028.022.01.013.018.024.02.0NANA
  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 ▆▃▆█▁▃▄▆▅▂▅▄▅▃▆▄▅▃▄▆7162.01266.06693.011231.0-2815.01561.03473.06553.05076.0-81.06030.03673.05105.0448.06888.02881.05518.02041.04018.06570.0NANANANANANANANANANANANA4893.0819.0781.03383.03942.02499.01442.02037.05064.0-377.0-1539.02624.0NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▇▅▆▅▄██▆▆▅▆▅▆▆▃▄▄▁▁-4026.0-2984.0-5007.0-4483.0-5766.0-6570.0-1208.0-1551.0-4429.0-3711.0-6188.0-4535.0-5478.0-4562.0-4811.0-8838.0-7118.0-6805.0-11644.0-11660.0NANANANANANANANANANANANA-5291.0-510.0776.0-3456.0467.0-1292.0-6236.0-1317.0-5226.039.0-2913.0-2264.0NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▄▁▁▃█▃▃▃▃▄▄▃▄▃▃▄▄▄▃-780.03617.0-8607.0-9557.036.023680.0-2332.0-2133.0-1289.01077.02842.03957.0886.03769.0-95.02139.05493.05047.04932.02118.0NANANANANANANANANANANANA-314.02167.0-6464.01157.0594.0-28.0298.0-576.0-287.0207.0-1821.0-158.0NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▄▁▃▁█▃▄▃▃▄▄▃▃▄▂▄▃▂▂2489.01759.0-6739.0-2784.0-8526.018223.044.02718.0-600.0-2715.02638.03087.0224.0-301.01968.0-3665.03999.0386.0-2959.0-2975.0NANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ▄▄▃▄▃▃▃▃▃▃▃▃▃▃█▅▃▄▃▄▄▄▁▃728.01085.0225.0724.0-212.0188.0-367.0155.0332.0-253.0-792.094.0221.0365.07363.02214.0389.0914.0-35.0616.0574.0731.0-3251.0-99.0NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DepreciationDepletionAndAmortization ▅▅▅▅▆▆▆▆▆█▇▆▅▅▅▅▅▅▃▄▄▃▁▂▁▁3014.03015.03062.03158.03258.03198.03247.03308.03396.04109.03641.03305.03099.03097.03154.03130.02961.02825.02322.02651.02491.02222.01635.01878.01702.01538.0NANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▃▆█▁▃▄▆▅▂▅▄▅▃▆▄▅▃▄▆7162.01266.06693.011231.0-2815.01561.03473.06553.05076.0-81.06030.03673.05105.0448.06888.02881.05518.02041.04018.06570.0NANANANANANANANANANANANA4893.0819.0781.03383.03942.02499.01442.02037.05064.0-377.0-1539.02624.0NANA
us-gaap:NetIncomeLoss ▆▆▆▇▄▄▄▆▆▅▅▆▆▅▁▂▅▆▅▆▆▅█▅▅▅▅▅▄▄▅▅▅▅▅▅▅▅▅▅▆▆▅▅▅▅2836.03022.02846.04045.0-758.0294.0-194.02351.02418.02157.02044.02534.02390.01046.0-5151.0-2981.01660.02608.01835.02773.02866.01953.06266.01359.01117.0945.01987.01471.0278.0213.01040.01717.01414.01175.01194.01833.01846.01315.0725.02107.02992.03366.01406.02162.01536.01068.0
us-gaap:ProfitLoss ▆▆▆▇▄▄▄▆▆▅▅▆▆▅▁▂▅▆▅▆▆▅█▅▅▅▅▅▄▄▅▅▅▅▅▅▅▅▅▅▆▆▅▆▅▅2779.03014.02797.04018.0-780.0286.0-192.02311.02403.02145.02069.02530.02366.01040.0-5180.0-2982.01663.02617.01775.02712.02850.01931.06226.01341.01140.0908.02009.01442.0287.0280.01053.01705.01388.01185.01031.01854.01901.01350.0747.02092.03037.03411.01472.02223.01612.01196.0
  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 ▆▇▅▆▅▄██▆▆▅▆▅▆▆▃▄▄▁▁-4026.0-2984.0-5007.0-4483.0-5766.0-6570.0-1208.0-1551.0-4429.0-3711.0-6188.0-4535.0-5478.0-4562.0-4811.0-8838.0-7118.0-6805.0-11644.0-11660.0NANANANANANANANANANANANA-5291.0-510.0776.0-3456.0467.0-1292.0-6236.0-1317.0-5226.039.0-2913.0-2264.0NANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▄▁▅▁▂▂█▃▃▅▆▆▆▆▆▆▆▅█▆▆▆▇▅▄▄▅▄▄▄▄▅▅▅▅▅▅▅▆▄▂▃1573.0878.01972.0992.01112.01224.02740.01376.01462.02014.02199.02211.02079.02272.02100.02167.02181.02005.02636.02296.02325.02285.02550.01835.01805.01684.02002.01664.01666.01759.01785.01947.01893.01940.02064.01945.02065.01994.02178.01573.01176.01322.0NANANANA
  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:NetCashProvidedByUsedInFinancingActivities ▃▄▁▁▃█▃▃▃▃▄▄▃▄▃▃▄▄▄▃-780.03617.0-8607.0-9557.036.023680.0-2332.0-2133.0-1289.01077.02842.03957.0886.03769.0-95.02139.05493.05047.04932.02118.0NANANANANANANANANANANANA-314.02167.0-6464.01157.0594.0-28.0298.0-576.0-287.0207.0-1821.0-158.0NANA
us-gaap:PaymentsOfDividends ▁▁▁▁▁▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃█▄▄▄▂▆▂▂▂▂▂▂▂18.076.016.061.02.0590.0558.0608.0558.0626.0552.0586.0538.0566.0532.0556.0572.0573.0586.0594.0600.0588.0564.0592.0598.0488.01384.0588.0622.0571.0168.01045.0256.0218.0260.0220.0242.0217.0267.0NANANANANANANA
  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

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
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
Value151414141414141414141414141414141515151516151516161616161616151414141416161616161515
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Preferred Stock Par Or Stated Value Per Share

us-gaap:PreferredStockParOrStatedValuePerShare us-gaap:StatementClassOfStock

us-gaap:PreferredStockParOrStatedValuePerShare

us-gaap:SeriesCPreferredStock


Preferred
Period End2020-09-30
Value0.01
Percentage of PreferredStockParOrStatedValuePerShare100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
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
Value150015001400140014001400140014001400140014001400140014001400140015001500150015001600150015001600160016001600160016001600150014001400140013661565156515651564156415611500
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
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
Value150014001400140014001400140014001400140014001400140014001400140015001500150015001600150015001600160016001600160016001600150014001400140013661565156515651564156415001500
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302011-09-302011-06-302010-09-302010-06-30
Value14681464143914321440144214381436143114311430147215191532157415811580161816601686169116881691168116771507166316711682165416301567
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302011-09-302011-06-302010-09-302010-06-30
Value14511447143214321433142814201417141214101408144514971505155015481546157715961617161216081587138613761372157015691562150515001500
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value2.02.03143327.07.08.04.04.04.06.06.00.02626264646464646464646464646
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value1.922.061.952.8-0.560.17-0.171.621.681.51.421.771.680.73-3.52-2.061.111.731.211.791.851.264.030.860.70.580.690.860.120.080.640.50.870.630.580.940.950.640.31.11.682.090.341.310.890.58
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value1.92.031.932.78-0.560.17-0.171.61.661.481.41.751.660.72-3.45-2.031.091.71.191.761.811.243.920.840.670.560.660.810.110.060.570.450.750.580.540.890.90.60.281.031.541.770.311.20.850.55
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

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3166318413133991-859.0-350.0-2353.02124249723471326238423001074-5379.0-1395.01541268845827253015193562648689051687-3156.01674283188590817769851616-134.0110416191408-6548.0194830693616
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.311.00.012.4-6.4-1.2-7.66.77.77.53.56.76.33.0-14.3-4.14.26.51.06.47.15.215.82.22.44.7-8.04.30.70.514.64.62.54.4-0.32.94.33.7-17.25.37.810.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-57.0-15.0-33.0-21.0-18.0-20.011-50.0-20.0-17.024-4.0-28.0-7.0-29.0-3.04.08.0-88.0-75.0-13.0-42.0-31.0-16.022-28.012-37.07.0649.0-15.0-29.02.0-160.031444421-39.04956
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.10.0-0.1-0.1-0.10.0-0.2-0.1-0.10.1-0.0-0.1-0.0-0.1-0.00.00.0-0.2-0.2-0.0-0.1-0.1-0.00.1-0.10.0-0.10.00.20.0-0.0-0.10.0-0.40.10.10.10.1-0.10.10.2

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3109316912803970-877.0-370.0-2342.02074247723301350238022721067-5408.0-1398.01545269637026503002189362338529271659-3144.01637290252591717619561618-294.0113516631452-6527.0190931183672
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.110.90.012.4-6.6-1.3-7.66.57.67.53.56.66.23.0-14.3-4.24.26.50.86.27.15.115.72.22.44.6-7.94.20.70.714.64.52.44.4-0.73.04.43.8-17.25.27.910.1

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold gm:BusinessGroup

us-gaap:CostOfGoodsAndServicesSold

gm:Automotive


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value272662511527169134442672628174283272822928533300713018426852
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax88.786.484.7100.691.788.687.490.379.781.883.679.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive88.786.484.7100.691.788.687.490.388.490.492.388.1

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3750419134394905-892.0643-355.025822927228214582630288515762993243029673317198534883721249030581506171714372288186933561187254721301594
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.214.40.015.3-6.72.2-1.28.19.07.33.87.37.84.47.97.28.08.14.58.18.86.77.73.94.54.05.84.80.10.12.96.55.54.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value9711177642887-112.0357-163.0271524137-611.010051946678962316534700216776871559-3168.0165577529279427-254.0-224.0134842742409-35645.0357241216-293.0107-61.0137-173.0-25.0361
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.24.00.02.8-0.81.2-0.50.91.60.4-1.60.31.41.320.96.91.41.70.51.82.11.5-8.00.41.51.50.71.1-0.6-0.60.32.21.91.1-90.71.00.60.6-0.80.3-0.20.4-0.5-0.11.1

Interest Expense

us-gaap:InterestExpense gm:BusinessGroup

us-gaap:InterestExpense

gm:Automotive


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value24325027532730319320020619518118516115915014515113214415014814712711311210811010496100103
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.90.01.02.30.70.60.60.60.60.50.40.40.40.40.40.40.30.30.30.30.30.30.30.30.30.30.20.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive0.80.90.01.02.30.70.00.60.60.60.00.50.50.50.00.50.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Litigation Settlement Expense

us-gaap:LitigationSettlementExpense us-gaap:LitigationCase, us-gaap:Range, us-gaap:LitigationStatus

us-gaap:LitigationSettlementExpense

gm:IgnitionSwitchRecallLitigationsEconomicDamage, srt:Maximum, gm:ProposedSettlement


Litigation
Period End2020-12-31
Value0.0
Percentage of LitigationSettlementExpense0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:IgnitionSwitchRecallLitigationsEconomicDamage srt:Maximum gm:ProposedSettlement0.0

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
Value2836302228464045-758.0294-194.02351241821572044253423901046-5151.0-2981.016602608183527732866195362661359111794519871471278213104017171414117511941833184613157252107299233661406216215361068
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 RevenueFromContractWithCustomerExcludingAssessedTax9.210.40.012.6-5.71.0-0.67.47.56.95.37.16.52.9-13.7-8.94.56.34.26.56.85.215.83.52.92.65.03.70.70.62.64.43.63.23.04.94.93.51.95.77.69.33.86.34.63.4

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-57.0-8.0-49.0-27.0-22.0-8.02.0-40.0-15.0-12.025-4.0-24.0-6.0-29.0-1.03.09.0-60.0-61.0-16.0-22.0-40.0-18.023-37.022-29.09.06713-12.0-26.010.0-163.021553522-15.04545666176
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.00.0-0.1-0.2-0.00.0-0.1-0.0-0.00.1-0.0-0.1-0.0-0.1-0.00.00.0-0.1-0.1-0.0-0.1-0.1-0.00.1-0.10.1-0.10.00.20.0-0.0-0.10.0-0.40.10.10.10.1-0.00.10.10.20.20.2

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2790297628014005-806.0247-232.02313238121192006250323751032-5165.0-2983.016602608183527732866195362661359111794511051384190125913698120086589214761487100447217262524315151019591334
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.110.20.012.5-6.00.8-0.87.37.36.85.27.06.52.9-13.7-8.94.56.34.26.56.85.215.83.52.92.62.83.50.50.32.31.83.12.32.33.94.02.71.24.76.48.71.45.84.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value2790297628014005-806.0247-232.02313238121192006250323751032-5165.0-2983.016602608183627732865195262681357111394511091376190108952757126087389814831496
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.110.20.012.5-6.00.8-0.87.37.36.85.27.06.52.9-13.7-8.94.56.34.26.56.85.215.83.52.92.62.83.50.50.32.41.93.22.42.33.94.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
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
Value78479966249941331113116936480546665193054913165-49.01615012217285248119132414142398189723-82.0251171113318139275-213.0152308604797377-91.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.70.01.63.11.10.40.51.12.61.21.82.51.50.00.5-0.10.40.10.30.40.20.60.30.00.71.00.60.20.21.8-0.20.60.50.30.80.40.7-0.60.40.81.72.21.1-0.3

Operating Costs And Expenses

us-gaap:OperatingCostsAndExpenses gm:BusinessGroup

us-gaap:OperatingCostsAndExpenses

gm:GmFinancial


Operating
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
Value1894227924212259323833563177298731443306322430642996301429952892
Percentage of OperatingCostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.27.80.07.024.211.510.39.49.710.68.48.68.28.37.98.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:GmFinancial0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3128529197310561799232052331693357333634375703418135283355703551032047
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax101.8100.496.8134.6110.0104.2103.5107.697.895.596.098.594.295.3

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
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
Value2882327727674424-1214.0657-554.023042487124482916101477529257819162618274515203017303619721859997128875313091227-471.0-535.016522561751959-34783.0160318219964501806245194928017331903
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.411.30.013.8-9.12.3-1.87.27.74.02.24.54.01.56.85.77.16.73.57.07.25.34.72.63.42.13.33.1-1.2-1.40.45.84.52.6-88.54.34.82.61.24.96.22.60.85.15.7

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


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
Value302-5.044167-58.0-973.0134-357.068149-212.0-209.0-328.03417537193108-357.0-92.0-19.084-359.0-645.0-143.0192-342.0-79.046-98.0-336.0-154.0-506.0263-58.07.0-115.063147-446.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.0-0.00.00.2-0.4-3.30.4-1.10.20.5-0.6-0.6-0.90.10.51.10.30.3-0.8-0.2-0.00.2-0.9-1.7-0.40.5-0.9-0.20.1-0.3-0.8-0.4-1.30.7-0.10.0-0.30.20.4-1.2

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
Value330155-1517.0-48.0-97.0-656.0-2150.0-237.074185-719.0-150.0-94.027-228.01584-118.079-1405.0-62.0152-38.07.0-489.0-213.0751-5153.01953.0-28.0486456-432.0433-1325.0-719.0-238.0102-7274.0-183.0
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 RevenueFromContractWithCustomerExcludingAssessedTax1.10.50.0-0.1-0.7-2.3-7.0-0.70.20.6-1.9-0.4-0.30.1-0.64.7-0.30.2-3.2-0.10.4-0.10.0-1.3-0.62.1-13.00.50.0-0.112.00.1-1.11.2-3.4-1.9-0.60.3-19.1-0.5

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

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
Value28160-1958.0-115.0-39.0317-2284.01206.036-506.059234-126.0-403.01213-211.0-29.0-1048.030171-122.0368154-65.0554-4809.0280-43.06754229.079183
Percentage of OtherComprehensiveIncomeLossNetOfTax8.5103.2129.1239.640.2-48.3106.2-50.68.119.570.4-39.3-248.9-466.7176.876.6178.8-36.774.6-48.4112.5321.15257.1-31.530.573.893.3143.6-1433.3-239.3111.516.1-18.342.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.60.0-0.4-0.31.1-7.40.40.00.1-1.30.20.6-0.3-1.13.6-0.6-0.1-2.40.10.4-0.30.90.4-0.21.6-12.10.7-0.10.213.40.00.20.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value330162-54.0-101.0-644.0-227.079190-718.0-150.0-90.028-228.01586-119.080-1377.0-48.0149-18.0-2.0-491.0-212.0742-5143.02035.0-25.0486859-429.0441-1328.0-7273.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0104.5112.5104.198.295.8106.8102.799.9100.095.7103.7100.0100.1100.8101.398.077.498.047.4-28.6100.499.598.899.8104.1166.789.3100.1105.499.3101.8100.2100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.10.6-0.2-0.8-2.2-0.70.20.6-1.9-0.4-0.20.1-0.64.7-0.30.2-3.1-0.10.4-0.0-0.0-1.3-0.62.1-13.00.50.0-0.112.00.2-1.11.2-3.4-19.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value314-24.040949-101.0-814.0141-341.04712566-359.0-645.0-143.0192-342.0-79.046-98.0-336.0-154.0-506.0263
Percentage of OtherComprehensiveIncomeLossNetOfTax95.2-15.5-27.0-102.1104.1124.1-6.6143.963.567.6-173.7-5128.6131.967.125.66.6-40.51533.3350.0-6.9-275.0117.160.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.0-0.10.00.2-0.8-2.80.5-1.10.10.40.2-0.9-1.7-0.40.5-0.9-0.20.1-0.3-0.8-0.4-1.30.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax 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:NoncontrollingInterest


Other
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value-7.06.04.0-12.0-10.0-5.0-5.0-1.00.0-4.0-1.00.0-2.01.0-1.0-28.0-14.03.0-20.09.02.0-1.09.0-10.0-8.0-2.0-3.0-4.0-3.0-3.0-8.03.0-1.0
Percentage of OtherComprehensiveIncomeLossNetOfTax-4.5-12.5-4.11.84.2-6.8-2.70.1-0.04.3-3.7-0.0-0.1-0.8-1.32.022.62.052.6128.6-0.40.51.20.2-4.1-66.710.7-0.1-5.40.7-1.8-0.20.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.00.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.00.0-0.00.0-0.0-0.1-0.00.0-0.10.00.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Income

us-gaap:OtherIncome

us-gaap:OtherIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value83707360639110410011712310597
Percentage of OtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.20.00.20.50.30.30.30.40.40.30.3

us-gaap:OtherIncome us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-3.0-1.0-8.0-8.0-1.0-3.0-1.0-2.0-1.00.0-1.0-2.0-1.0
Percentage of OtherIncome-3.6-1.4-13.3-12.7-1.1-2.9-1.0-1.7-0.80.00.0-1.9-1.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.0-0.0-0.1-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination11.50.032.030.84.20.04.08.04.00.08.35.94.2

us-gaap:OtherIncome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gm:GMFinancialSegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value86707468719210710111912411910010798
Percentage of OtherIncome103.6100.0101.4113.3112.7101.1102.9101.0101.7100.80.00.0101.9101.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.20.00.20.50.30.30.30.40.40.30.30.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gm:GMFinancialSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value2779301427974018-780.0286-192.02311240321452069253023661040-5180.0-2982.016632617177527122850193162261341114090820091442287280105317051388118510311854190113507472092303734111472222316121196
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 RevenueFromContractWithCustomerExcludingAssessedTax9.010.40.012.5-5.81.0-0.67.37.46.95.47.16.42.9-13.7-8.94.56.44.06.36.75.215.73.53.02.55.13.70.70.72.64.43.63.22.64.95.13.62.05.77.79.44.06.54.93.8

us-gaap:ProfitLoss us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

gm:AutomotiveChinaJointVentures


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value527586535562-348.0455499
Percentage of ProfitLoss19.019.413.3-72.1-121.719.720.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.72.01.74.2-1.21.41.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:AutomotiveChinaJointVentures0.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-57.0-8.0-27.0-22.0-8.0-40.0-15.0-12.025-4.0-24.0-6.0-29.0-1.03.09.0-60.0-61.0-16.0-22.0-40.0-18.023-37.022-29.09.06713-12.0-26.010.0-163.021553522-15.045456661
Percentage of ProfitLoss-2.1-0.3-0.72.8-2.8-1.7-0.6-0.61.2-0.2-1.0-0.60.60.00.20.3-3.4-2.2-0.6-1.1-0.6-1.32.0-4.11.1-2.03.123.91.2-0.7-1.90.8-15.81.12.92.62.9-0.71.51.34.52.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.0-0.1-0.2-0.0-0.1-0.0-0.00.1-0.0-0.1-0.0-0.1-0.00.00.0-0.1-0.1-0.0-0.1-0.1-0.00.1-0.10.1-0.10.00.20.0-0.0-0.10.0-0.40.10.10.10.1-0.00.10.10.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value283630224045-758.02942351241821572044253423901046-5151.0-2981.0166026081835277328661953626613591117945198714712782131040171714141175119418331846131572521072992336614062162
Percentage of ProfitLoss102.1100.3100.797.2102.8101.7100.6100.698.8100.2101.0100.699.4100.099.899.7103.4102.2100.6101.1100.6101.398.0104.198.9102.096.976.198.8100.7101.999.2115.898.997.197.497.1100.798.598.795.597.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.210.412.6-5.71.07.47.56.95.37.16.52.9-13.7-8.94.56.34.26.56.85.215.83.52.92.65.03.70.70.62.64.43.63.23.04.94.93.51.95.77.69.33.86.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value30744290673409332067133632915030826318173242531261383993579136760360993771533623369844120043918428254237237265396213884338180357123961739255396493740840485389833907536884393073757637614377593799036719393733619436882340603317431476
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 gm:BusinessGroup

gm:Automotive


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value30744290673409332067133632915027194318173242531261348033227633275326913446630466
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.088.2100.0100.0100.090.690.290.590.691.490.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.088.2100.0100.0100.090.690.290.590.691.490.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax gm:BusinessGroup, us-gaap:ConsolidationItems

gm:Automotive, us-gaap:CorporateNonSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value211929203803868525446485650493680
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.60.60.10.20.20.20.10.10.20.10.10.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.60.60.10.20.20.20.10.10.20.10.10.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value30745290623409332066133612914927194318173242531261348313228833309327153448130475
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.088.2100.0100.0100.090.790.290.690.691.490.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.088.2100.0100.0100.090.790.290.690.691.490.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:ProductOrService

gm:Automotive, us-gaap:CorporateNonSegment, gm:ServicesandOther


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
Value19192419772366852544640544940
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.60.50.10.20.20.20.10.10.20.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.60.50.10.20.20.20.10.10.20.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:CorporateNonSegment gm:ServicesandOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:CorporateNonSegment, gm:UsedVehicles


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.06.08.02.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:CorporateNonSegment gm:UsedVehicles100.0100.0100.0100.00.00.00.00.00.00.00.00.0

gm:Automotive, us-gaap:CorporateNonSegment, gm:VehiclesandParts


Revenue
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.00.00.00.00.00.00.08.02.01.09.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:CorporateNonSegment gm:VehiclesandParts100.00.00.00.00.00.00.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments, gm:ServicesandOther


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
Value1125110010231196925117211351097109910701229118211081017
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.73.83.03.76.94.03.73.43.43.43.23.33.02.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.73.83.03.76.94.03.73.43.43.43.23.33.02.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments gm:ServicesandOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments, gm:UsedVehicles


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
Value1502412462141474033753766066627466058371202
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.80.70.71.11.41.21.21.92.11.91.72.33.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.80.70.71.11.41.21.21.92.11.91.72.33.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments gm:UsedVehicles100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments, gm:VehiclesandParts


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
Value2947027721328243065612289275742568430344307202952932856305013136430496
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax95.995.496.395.692.094.683.395.494.794.585.685.285.384.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax95.995.496.395.692.094.683.395.494.794.585.685.285.384.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments gm:VehiclesandParts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

gm:Automotive, us-gaap:OperatingSegments, gm:ServicesandOther, gm:GMI


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
Value304272201199221257291244274248263333201196
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.90.60.61.70.90.90.80.80.80.70.90.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.90.60.61.70.90.90.80.80.80.70.90.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments gm:ServicesandOther gm:GMI100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments, gm:ServicesandOther, gm:Gmna


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
Value802809798800632879776801771776926795858781
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.82.32.54.73.02.52.52.42.52.42.22.32.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.82.32.54.73.02.52.52.42.52.42.22.32.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments gm:ServicesandOther gm:Gmna100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments, gm:UsedVehicles, gm:GMI


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
Value1313502317252831293537236847
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.10.10.10.10.10.10.10.10.10.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.10.10.10.10.10.10.10.10.10.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments gm:UsedVehicles gm:GMI100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments, gm:UsedVehicles, gm:Gmna


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
Value1372281921851223763473455776277095827691155
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.80.60.60.91.31.11.11.82.01.81.62.13.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.80.60.60.91.31.11.11.82.01.81.62.13.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments gm:UsedVehicles gm:Gmna100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments, gm:VehiclesandParts, gm:GMI


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
Value24752801364325131439299841013519374435674660422644894605
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.19.610.77.810.810.313.311.111.511.412.111.812.212.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.19.610.77.810.810.313.311.111.511.412.111.812.212.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments gm:VehiclesandParts gm:GMI100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments, gm:VehiclesandParts, gm:Gmna


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
Value2699324920291802814310850245762158326825269762596228188262732687425882
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.885.785.687.881.284.370.084.383.283.073.473.473.171.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.885.785.687.881.284.370.084.383.283.073.473.473.171.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments gm:VehiclesandParts gm:Gmna100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

gm:Automotive, us-gaap:OperatingSegments, gm:GMI


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2792308638942735167732804420379440473850496045824758484856945576
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.110.611.48.512.511.314.311.912.512.312.912.812.913.415.116.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.110.611.48.512.511.314.311.912.512.312.912.812.913.415.116.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments gm:GMI100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments, gm:Gmna


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value27932259573017029128116042583122706279712832427365298232765028501278182875124819
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax90.989.388.590.886.888.673.787.987.487.577.777.377.577.176.273.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax90.989.388.590.886.888.673.787.987.487.577.777.377.577.176.273.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments gm:Gmna100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-26.0-25.0-24.0-25.0-26.0-24.0-25.0-25.0-25.0-25.0-28.0-12.0-34.0-24.0-18.0-13.0-7.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.1-0.1-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.1-0.1-0.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.1-0.1-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.1-0.1-0.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:IntersegmentElimination, gm:ServicesandOther


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
Value-26.0-25.0-24.0-25.0-26.0-24.0-25.0-25.0-25.0-25.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.1-0.1-0.2-0.1-0.1-0.1-0.1-0.10.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.1-0.1-0.2-0.1-0.1-0.1-0.1-0.10.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination gm:ServicesandOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

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

us-gaap:OperatingSegments, gm:ServicesandOther, gm:Cruise


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value25302426282525252525
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.20.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.20.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gm:ServicesandOther gm:Cruise100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, gm:Cruise


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value253024262825252525250.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.20.10.10.10.10.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.20.10.10.10.10.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gm:Cruise100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

gm:ServicesandOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value112411051023119792711731135109710991070
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.73.83.03.76.94.03.73.43.43.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.73.83.03.76.94.03.73.43.43.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:ServicesandOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:UsedVehicles


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value150241246214147403375376606662
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.80.70.71.11.41.21.21.92.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.80.70.71.11.41.21.21.92.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:UsedVehicles100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:VehiclesandParts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value29470277213282430656122892757425684303443072029529
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax95.995.496.395.692.094.683.395.494.794.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax95.995.496.395.692.094.683.395.494.794.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:VehiclesandParts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
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
Value34167324743751835480167783270930826354733606034878383993579136760360993771533623369844120043918428254237237265396213884338180357123961739255396493740840485389833907536884393073757637614377593799036719393733619436882340603317431476
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax111.1111.7110.0110.6125.6112.2100.0111.5111.2111.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues gm:BusinessGroup

gm:GmFinancial


Revenuesgm:
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
Value3423340734253413341535593632365636353617359635153485340832493157
Percentage of Revenues10.010.59.19.620.410.911.810.310.110.49.49.89.59.48.69.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.111.710.010.625.612.211.811.511.211.69.49.89.59.48.69.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:GmFinancial0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues gm:BusinessGroup, us-gaap:ConsolidationItems

gm:Automotive, us-gaap:CorporateNonSegment


Revenuesgm:
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
Value211929203803868525446485650493680
Percentage of Revenues0.10.10.10.60.50.10.20.10.10.10.10.20.10.10.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.60.60.10.20.20.20.10.10.20.10.10.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments


Revenuesgm:
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
Value30745290623409332066133612914927194318173242531261348313228833309327153448130475
Percentage of Revenues90.089.590.990.479.689.188.289.789.989.690.790.290.690.691.490.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.088.2100.0100.0100.090.790.290.690.691.490.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

gm:Automotive, us-gaap:OperatingSegments, gm:GMI


Revenuesgm:
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
Value2792308638942735167732804420379440473850496045824758484856945576
Percentage of Revenues8.29.510.47.710.010.014.310.711.211.012.912.812.913.415.116.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.110.611.48.512.511.314.311.912.512.312.912.812.913.415.116.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments gm:GMI100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments, gm:Gmna


Revenuesgm:
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
Value27932259573017029128116042583122706279712832427365298232765028501278182875124819
Percentage of Revenues81.879.980.482.169.279.073.778.978.578.577.777.377.577.176.273.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax90.989.388.590.886.888.673.787.987.487.577.777.377.577.176.273.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive us-gaap:OperatingSegments gm:Gmna100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Revenuesus-gaap:
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-29.0-25.0-25.0-33.0-34.0-26.0-29.0-28.0-29.0-28.0-31.0-15.0-37.0-27.0-18.0-13.0-7.0
Percentage of Revenues-0.1-0.1-0.1-0.1-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.1-0.1-0.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.1-0.1-0.3-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.1-0.1-0.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination111.5100.0104.2132.0130.8108.3116.0112.0116.0112.0110.7125.0108.8112.5100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gm:Cruise


Revenuesus-gaap:
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
Value253024262825252525250.00.0
Percentage of Revenues0.10.10.10.10.20.10.10.10.10.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.20.10.10.10.10.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gm:Cruise100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:OperatingSegments, gm:GMFinancialSegment


Revenuesus-gaap:
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
Value34263407342634213423356136363659363936203599351834883411325231612990
Percentage of Revenues10.010.59.19.620.410.911.810.310.110.49.49.89.59.48.69.48.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.111.710.010.725.612.211.811.511.211.69.49.89.59.48.69.48.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments gm:GMFinancialSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

gm:AutomotiveChinaJointVentures


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value89549875110299239432196959002
Percentage of Revenues26.230.431.155.113.227.325.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.134.034.469.114.830.527.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:AutomotiveChinaJointVentures0.00.00.00.00.00.00.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense gm:BusinessGroup

us-gaap:SellingGeneralAndAdministrativeExpense

gm:Automotive


Selling
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value212518031628131019702008210220992584221623722303
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.96.25.19.86.86.36.56.77.26.06.66.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:Automotive6.96.25.19.86.86.36.56.78.06.77.37.6

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value241803238411235194239671237535246624228037231529233737233132227339225711218641218726212482229502240300230793221690217576210449203618194520189000185812179918177677176908179098173606166344168539163110153775149422155456151987150194144603148497150415138898
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets gm:BusinessGroup, us-gaap:ConsolidationItems

gm:Automotive, us-gaap:CorporateNonSegment


Assetsgm:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value3742436271399334505943258459653236534309295972793731694281942479526204305732579738465
Percentage of Assets15.515.217.018.818.218.614.214.812.712.013.912.511.312.014.411.217.4
Percentage of Assets15.515.217.018.818.218.614.214.812.712.013.912.511.312.014.411.217.4
Percentage of Assets gm:Automotive us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:IntersegmentElimination


Assetsgm:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312014-12-312013-12-312013-09-302012-12-312011-12-31
Value-52138.0-53147.0-57464.0-50609.0-41700.0-49766.0-50244.0-56381.0-50446.0-47899.0-50690.0-45323.0-45289.0-38354.0-42750.0-39731.0-36752.0-24083.0-29041.0-29642.0-27761.0-17006.0-31333.0
Percentage of Assets-21.6-22.3-24.4-21.1-17.6-20.2-22.0-24.4-21.6-20.5-22.3-20.1-20.7-17.5-20.1-17.3-16.6-12.4-16.3-17.8-16.5-11.4-21.7
Percentage of Assets-21.6-22.3-24.4-21.1-17.6-20.2-22.0-24.4-21.6-20.5-22.3-20.1-20.7-17.5-20.1-17.3-16.6-12.4-16.3-17.8-16.5-11.4-21.7
Percentage of Assets gm:Automotive us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments


Assetsgm:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value122709119848119625128241124573128571116380119485120347120073115678118896114613118096115409123832134507
Percentage of Assets50.750.350.953.552.452.151.051.651.551.550.952.752.454.054.354.060.7
Percentage of Assets50.750.350.953.552.452.151.051.651.551.550.952.752.454.054.354.060.7
Percentage of Assets gm:Automotive us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

gm:Automotive, us-gaap:OperatingSegments, gm:GMI


Assetsgm:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value2220322798230192236521494232132496925562266812758024911257802690528981277122783227273
Percentage of Assets9.29.69.89.39.09.410.911.011.411.811.011.412.313.213.012.112.3
Percentage of Assets9.29.69.89.39.09.410.911.011.411.811.011.412.313.213.012.112.3
Percentage of Assets gm:Automotive us-gaap:OperatingSegments gm:GMI100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Automotive, us-gaap:OperatingSegments, gm:Gmna


Assetsgm:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value11522011392611413711142610152110915910929011599511451511245510976311024510820210126599874109934103908
Percentage of Assets47.747.848.546.542.744.347.950.149.048.248.348.849.546.347.047.946.9
Percentage of Assets47.747.848.546.542.744.347.950.149.048.248.348.849.546.347.047.946.9
Percentage of Assets gm:Automotive us-gaap:OperatingSegments gm:Gmna100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Assetsus-gaap:
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
Value-1456.0-1358.0-1466.0-1311.0-2155.0-1397.0-1454.0-1461.0-1533.0-1389.0-1487.0-1410.0-1313.0-1260.0-844.0-1036.0-1482.0-1312.0
Percentage of Assets-0.6-0.6-0.6-0.5-0.9-0.6-0.6-0.6-0.7-0.6-0.7-0.6-0.6-0.6-0.4-0.5-0.6-0.6
Percentage of Assets-0.6-0.6-0.6-0.5-0.9-0.6-0.6-0.6-0.7-0.6-0.7-0.6-0.6-0.6-0.4-0.5-0.6-0.6
Percentage of Assets us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, gm:Cruise


Assetsus-gaap:
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
Value520453243625381539634069423044064212322831952567666
Percentage of Assets2.22.21.51.61.71.61.91.91.81.41.41.10.3
Percentage of Assets2.22.21.51.61.71.61.91.91.81.41.41.10.3
Percentage of Assets us-gaap:OperatingSegments gm:Cruise100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, gm:GMFinancialSegment


Assetsus-gaap:
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
Value1153461145971134101089261111541153811088811090991107111112201099531056581026571012109725110614210358887947
Percentage of Assets47.748.148.245.446.846.847.747.147.447.748.446.847.046.345.846.243.139.7
Percentage of Assets47.748.148.245.446.846.847.747.147.447.748.446.847.046.345.846.243.139.7
Percentage of Assets us-gaap:OperatingSegments gm:GMFinancialSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:EquityMethodInvestee


Assetsus-gaap:
Period End2020-12-312019-12-31
Value5795748518
Percentage of Assets24.621.3
Percentage of Assets24.621.3
Percentage of Assets us-gaap:EquityMethodInvestee100.0100.0

us-gaap:Assets us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

gm:AutomotiveChinaJointVentures, us-gaap:EquityMethodInvestee


Assetsus-gaap:
Period End2020-12-312019-12-31
Value3247928519
Percentage of Assets13.812.5
Percentage of Assets13.812.5
Percentage of Assets gm:AutomotiveChinaJointVentures us-gaap:EquityMethodInvestee100.0100.0

gm:Otherjointventures, us-gaap:EquityMethodInvestee


Assetsus-gaap:
Period End2020-12-312019-12-31
Value2547819999
Percentage of Assets10.88.8
Percentage of Assets10.88.8
Percentage of Assets gm:Otherjointventures us-gaap:EquityMethodInvestee100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value183927183968185517191663194042202307182080182758186648188494184562184803180005183268176282186025194575184579177615172561166446162293154197153865150142143095141653133345136513130766123170131178124106115440112422112827110377110054105612102881108383101739
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets76.177.278.980.081.782.079.878.979.980.981.281.982.383.883.081.181.080.080.179.379.179.779.381.480.879.579.775.476.275.374.077.876.175.175.272.672.673.373.069.372.173.2

us-gaap:Liabilities us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:EquityMethodInvestee


Liabilitiesus-gaap:
Period End2020-12-312019-12-31
Value4825838829
Percentage of Liabilities26.021.3
Percentage of Assets20.517.0
Percentage of Assets us-gaap:EquityMethodInvestee83.380.0

us-gaap:Liabilities us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

gm:AutomotiveChinaJointVentures, us-gaap:EquityMethodInvestee


Liabilitiesus-gaap:
Period End2020-12-312019-12-31
Value2679622224
Percentage of Liabilities14.412.2
Percentage of Assets11.49.7
Percentage of Assets gm:AutomotiveChinaJointVentures us-gaap:EquityMethodInvestee82.577.9

gm:Otherjointventures, us-gaap:EquityMethodInvestee


Liabilitiesus-gaap:
Period End2020-12-312019-12-31
Value2146216605
Percentage of Liabilities11.69.1
Percentage of Assets9.17.3
Percentage of Assets gm:Otherjointventures us-gaap:EquityMethodInvestee84.283.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value241803238411235194239671237535246624228037231529233737233132227339225711218641218726212482229502240300230793221690217576210449203618194520189000185812179918177677176908179098173606166344168539163110153775149422155456151987150194144603148497150415138898
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value516694834345030433413930440113417924455442816407653886038061361813429835001422434552145972438364472043630409323987134638351463632935457430024199442222426073677838374375873624441659407003925638120447444111836180
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.420.319.118.116.516.318.319.218.317.517.116.916.515.716.518.418.919.919.820.620.720.120.518.318.920.220.024.323.424.325.621.823.524.424.326.826.826.126.430.127.326.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value826098209180924891778749797699749928056581306800907529374848704517143568744766188508179598762037649674630710347800782341845548323183670866409164386825815018116477745725706999672107702336921664923
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.234.434.437.236.839.632.934.834.834.433.133.232.232.732.433.435.434.534.435.235.534.940.143.645.546.347.149.051.250.049.048.247.747.246.846.446.246.144.9

us-gaap:AssetsCurrent us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:EquityMethodInvestee


Assets
Period End2020-12-312019-12-31
Value3444827354
Percentage of AssetsCurrent42.636.5
Percentage of Assets14.612.0
Percentage of Assets us-gaap:EquityMethodInvestee59.456.4

us-gaap:AssetsCurrent us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

gm:AutomotiveChinaJointVentures, us-gaap:EquityMethodInvestee


Assets
Period End2020-12-312019-12-31
Value1760414035
Percentage of AssetsCurrent21.818.7
Percentage of Assets7.56.2
Percentage of Assets gm:AutomotiveChinaJointVentures us-gaap:EquityMethodInvestee54.249.2

gm:Otherjointventures, us-gaap:EquityMethodInvestee


Assets
Period End2020-12-312019-12-31
Value1684413319
Percentage of AssetsCurrent20.817.8
Percentage of Assets7.25.8
Percentage of Assets gm:Otherjointventures us-gaap:EquityMethodInvestee66.166.6

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2292021609199922693928228385061906920051170721717620844184351508714256155121279216598128641296015932189231489415238154331762715776189541806019864194262002120355196972064318422233202218417378160712060420997213082125622679
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.59.18.511.211.915.68.48.77.37.49.28.26.96.57.35.66.95.65.87.39.07.37.88.29.58.810.710.211.111.212.012.112.113.412.315.014.611.611.113.914.00.015.30.0

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
Value2736524876231172985632640411662294322899201812078123496208581777117547178481588019545155461516018119210941733221189
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 Assets11.310.49.812.513.716.710.19.98.68.910.39.28.18.08.46.98.16.76.88.310.08.911.9

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value816791268035993979466797
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets3.43.83.44.13.33.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value13102120661023510934102801079910398117971144711108981611334108331146110663117891128914686137881542715026158171376414368142181405113642152101520014837140391535714777152001471415672154331584414324
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.45.14.44.64.34.44.65.14.94.84.35.05.05.25.05.14.76.46.27.17.17.87.17.67.77.87.78.68.58.58.49.19.19.99.810.110.210.59.9

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value776569367407684189386918795370517451643950214881524958934465490943244704401520342073165814821485152016181584185119101747166217741699154315362110208719851696
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.22.93.12.93.82.83.53.03.22.82.22.22.42.72.12.11.82.01.80.91.00.80.80.80.80.90.91.01.11.01.01.11.01.01.01.41.41.31.2

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312009-07-09
Value77451808728269880329722425422438400316482764726277218502141739993
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.935.536.437.832.627.921.619.018.518.215.70.00.0

us-gaap:NoncurrentAssets gm:BusinessGroup, us-gaap:StatementGeographical

gm:Automotive, country:US


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value24932254012562524473222412109118813158441352011736
Percentage of NoncurrentAssets32.231.431.030.530.838.949.050.148.944.7
Percentage of Assets10.611.111.311.510.010.810.69.59.08.1
Percentage of Assets gm:Automotive country:US0.00.00.00.00.00.00.00.00.00.0

gm:Automotive, us-gaap:NonUs


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1251613190132631271515196127421235512289
Percentage of NoncurrentAssets16.216.316.015.821.023.532.238.8
Percentage of Assets5.35.85.86.06.96.67.07.4
Percentage of Assets gm:Automotive us-gaap:NonUs0.00.00.00.00.00.00.00.0

gm:GmFinancial, country:US


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value367733950941334406743250618501547724721112532
Percentage of NoncurrentAssets47.548.950.050.645.034.114.37.84.02.0
Percentage of Assets15.617.318.219.114.79.53.11.50.70.4
Percentage of Assets gm:GmFinancial country:US0.00.00.00.00.00.00.00.00.00.0

gm:GmFinancial, us-gaap:NonUs


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value32302772247624672299189017551043
Percentage of NoncurrentAssets4.23.43.03.13.23.54.63.3
Percentage of Assets1.41.21.11.21.01.01.00.6
Percentage of Assets gm:GmFinancial us-gaap:NonUs0.00.00.00.00.00.00.00.0

Assets Noncurrent

us-gaap:AssetsNoncurrent

us-gaap:AssetsNoncurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value1591941563201542701504941500381489251530451509641524311530421520461508631481901472911437381528841552191511951454871410801358191325841165131066591012589668794007902688745586781848438737585365812057942683349817548097879680
Percentage of AssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets65.865.665.662.863.260.467.165.265.265.666.966.867.867.367.666.664.665.565.664.864.565.159.956.454.553.752.951.048.850.051.051.852.352.853.253.653.853.955.1

us-gaap:AssetsNoncurrent us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:EquityMethodInvestee


Assets
Period End2020-12-312019-12-31
Value2350921164
Percentage of AssetsNoncurrent15.213.8
Percentage of Assets10.09.3
Percentage of Assets us-gaap:EquityMethodInvestee40.643.6

us-gaap:AssetsNoncurrent us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

gm:AutomotiveChinaJointVentures, us-gaap:EquityMethodInvestee


Assets
Period End2020-12-312019-12-31
Value1487514484
Percentage of AssetsNoncurrent9.69.5
Percentage of Assets6.36.4
Percentage of Assets gm:AutomotiveChinaJointVentures us-gaap:EquityMethodInvestee45.850.8

gm:Otherjointventures, us-gaap:EquityMethodInvestee


Assets
Period End2020-12-312019-12-31
Value86346680
Percentage of AssetsNoncurrent5.64.4
Percentage of Assets3.72.9
Percentage of Assets gm:Otherjointventures us-gaap:EquityMethodInvestee33.933.4

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6545567449654836033453269
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0
Percentage of Assets27.829.628.828.424.0

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value9671970591737471665555625236497146014701
Percentage of PropertyPlantAndEquipmentGross14.814.414.012.412.50.00.00.00.00.0
Percentage of Assets4.14.34.03.53.02.92.93.03.13.3
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3581304246806188534746334114264430183070
Percentage of PropertyPlantAndEquipmentGross5.54.57.110.310.00.00.00.00.00.0
Percentage of Assets1.51.32.12.92.42.42.31.62.02.1
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1339130213491647164516361695186821072502
Percentage of PropertyPlantAndEquipmentGross2.01.92.12.73.10.00.00.00.00.0
Percentage of Assets0.60.60.60.80.70.81.01.11.41.7
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.0

us-gaap:MachineryAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value30013298142645323915228551933816788152221272010670
Percentage of PropertyPlantAndEquipmentGross45.944.240.439.642.90.00.00.00.00.0
Percentage of Assets12.813.111.611.310.39.99.49.28.57.4
Percentage of Assets us-gaap:MachineryAndEquipment0.00.00.00.00.00.00.00.00.00.0

us-gaap:ToolsDiesAndMolds


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2085123586238282111319359
Percentage of PropertyPlantAndEquipmentGross31.935.036.435.036.3
Percentage of Assets8.910.310.59.98.7
Percentage of Assets us-gaap:ToolsDiesAndMolds0.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2782328699267252408120666
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0
Percentage of Assets11.812.611.811.39.3

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value388223779737632369893706637969387503796938188383363875838655380033732136253351783430137202358203471333510326523122929381284312775527743273752702326367258672624725351248932419626578250262427523005
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.115.916.015.415.615.417.016.416.316.417.017.117.417.117.115.314.316.116.216.015.916.016.115.515.315.415.615.515.115.215.615.615.516.216.217.116.516.215.9

us-gaap:PropertyPlantAndEquipmentNet gm:BusinessGroup, us-gaap:ConsolidatedEntities, us-gaap:PropertyPlantAndEquipmentByType

gm:GmFinancial, us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:EquipmentLeasedToOtherParty


Property
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value1746116322165941917214464
Percentage of PropertyPlantAndEquipmentNet46.243.444.951.737.3
Percentage of Assets7.36.96.98.16.3
Percentage of Assets gm:GmFinancial us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:EquipmentLeasedToOtherParty0.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value190019001900180019001900190019001427155915731563156019531993196819732840828405284332901931778
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.80.70.80.80.90.90.80.90.90.90.91.21.21.31.318.318.718.920.122.9

us-gaap:Goodwill us-gaap:StatementBusinessSegments

gm:Cruise


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value567504504
Percentage of Goodwill29.826.526.5
Percentage of Assets0.20.20.2
Percentage of Assets gm:Cruise0.00.00.0

gm:GMFinancialSegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value1300140014001400
Percentage of Goodwill68.473.773.773.7
Percentage of Assets0.60.60.60.7
Percentage of Assets gm:GMFinancialSegment0.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312014-12-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value33203478371839924293488755726502690166348729901795129839
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.51.61.91.92.83.34.04.54.45.65.96.36.8

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value244264307377444523660744989101410481757174518151816
Percentage of FiniteLivedIntangibleAssetsNet7.37.68.39.410.30.013.513.415.214.715.820.119.419.118.5
Percentage of Assets0.10.10.10.20.20.30.40.40.60.70.71.11.11.21.3
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IntellectualProperty


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2202012773574594254499021455
Percentage of FiniteLivedIntangibleAssetsNet6.65.87.58.910.70.09.216.221.9
Percentage of Assets0.10.10.10.20.20.20.30.51.0
Percentage of Assets us-gaap:IntellectualProperty0.00.00.00.00.00.00.00.00.0

us-gaap:TradeNames


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value285630133134325834883619376439073961399440334926494650265036
Percentage of FiniteLivedIntangibleAssetsNet86.086.684.381.681.20.077.070.160.957.960.856.454.952.851.2
Percentage of Assets1.21.31.41.51.61.92.12.32.42.62.73.23.33.33.5
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value516951855230524552825225533754085457551855795651572057905849585459896193625963546433589159476083618162976410
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.22.22.22.22.12.32.32.32.42.52.52.62.62.82.62.52.72.82.93.12.93.13.23.33.53.6

us-gaap:IntangibleAssetsNetIncludingGoodwill gm:BusinessGroup, us-gaap:ConsolidationItems

gm:Automotive, us-gaap:CorporateNonSegment


Intangible
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value1.01.01.01.01.01.01.01.02.09.010.0111214
Percentage of IntangibleAssetsNetIncludingGoodwill0.00.00.00.00.00.00.00.00.00.20.20.20.20.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets gm:Automotive us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

gm:Automotive, us-gaap:OperatingSegments


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value30813116315231843219325333483385342934913552361536833742380338634163
Percentage of IntangibleAssetsNetIncludingGoodwill59.660.160.360.760.962.362.762.662.863.363.764.064.464.665.066.066.5
Percentage of Assets1.31.31.31.31.41.31.51.51.51.51.61.61.71.71.81.71.9
Percentage of Assets gm:Automotive us-gaap:OperatingSegments2.52.62.62.52.62.52.92.82.82.93.13.03.23.23.33.13.1

us-gaap:IntangibleAssetsNetIncludingGoodwill gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

gm:Automotive, us-gaap:OperatingSegments, gm:GMI


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value7897968068118198208888969089189289399499649739801021
Percentage of IntangibleAssetsNetIncludingGoodwill15.315.415.415.515.515.716.616.616.616.616.616.616.616.616.616.716.3
Percentage of Assets0.30.30.30.30.30.30.40.40.40.40.40.40.40.40.50.40.5
Percentage of Assets gm:Automotive us-gaap:OperatingSegments gm:GMI3.63.53.53.63.83.53.63.53.43.33.73.63.53.33.53.53.7

gm:Automotive, us-gaap:OperatingSegments, gm:Gmna


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value22922320234623722399243224592488252025722623267427252768281928713128
Percentage of IntangibleAssetsNetIncludingGoodwill44.344.744.945.245.446.546.146.046.246.647.047.347.647.848.249.050.0
Percentage of Assets0.91.01.01.01.01.01.11.11.11.11.21.21.21.31.31.31.4
Percentage of Assets gm:Automotive us-gaap:OperatingSegments gm:Gmna2.02.02.12.12.42.22.22.12.22.32.42.42.52.72.82.63.0

us-gaap:IntangibleAssetsNetIncludingGoodwill us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gm:Cruise


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value743730735724726634634670670670671679679
Percentage of IntangibleAssetsNetIncludingGoodwill14.414.114.113.813.712.111.912.412.312.112.012.011.6
Percentage of Assets0.30.30.30.30.30.30.30.30.30.30.30.30.3
Percentage of Assets us-gaap:OperatingSegments gm:Cruise14.313.720.319.018.315.615.015.215.920.821.026.5102.0

us-gaap:OperatingSegments, gm:GMFinancialSegment


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value134513391343133713371338135513531358135713561357135813691367137113681366
Percentage of IntangibleAssetsNetIncludingGoodwill26.025.825.725.525.325.625.425.024.924.624.324.023.723.623.423.422.821.8
Percentage of Assets0.60.60.60.60.60.50.60.60.60.60.60.60.60.60.60.60.60.6
Percentage of Assets us-gaap:OperatingSegments gm:GMFinancialSegment1.21.21.21.21.21.21.21.21.21.21.21.31.31.41.41.31.31.6

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value21700224002348223400239162330222856345883625734231320813658678-140.0
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.09.410.09.810.510.210.815.618.619.319.324.50.1-0.1

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BalanceSheetLocation

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssets


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value100011001200956988
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0
Percentage of Assets0.40.50.50.40.4
Percentage of Assets us-gaap:OtherAssets0.00.00.00.00.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:MajorPropertyClass

us-gaap:Vehicles


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
Value4059640343398193935839607413064209242659431134324043806
Percentage of OperatingLeaseRightOfUseAsset0.00.03981.90.00.00.03826.53554.94509.74376.50.0
Percentage of Assets16.816.916.916.416.716.718.518.418.418.519.3
Percentage of Assets us-gaap:Vehicles0.00.00.00.00.00.00.00.00.00.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value781072377264669567126525734670387257811957705946534451694929500539944279407036883697370524382345244123532089237724252324235228962598237723582778315134112928
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.23.03.12.82.82.63.23.03.13.52.52.62.42.42.32.21.71.91.81.71.81.81.31.21.31.31.21.31.41.31.41.71.61.51.61.82.12.32.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value214312044619928209141515420031210182140622717245602229725147246602603923929232652340428725269612862826959267662406225188242472518722529247732699227715236212724226820271172516626313264252757624551
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.98.68.58.76.48.19.29.29.710.59.811.111.311.911.310.19.712.412.213.212.813.112.413.313.014.012.714.015.116.014.216.216.417.616.816.917.418.417.0

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value191902080923069239162272726200264872807228428274712804928104273682733025996266032660128478291922853327854266332784230549308782780428184291702955226658246332388223240224502330825032251342365122875
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.98.79.810.09.610.611.612.112.211.812.312.512.512.512.211.611.112.313.213.113.213.114.316.216.615.515.916.516.515.414.814.214.214.615.616.116.515.715.8

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-31
Value2660310431323054310632343504
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.31.31.31.31.41.5

Debt Current

us-gaap:DebtCurrent gm:BusinessGroup

us-gaap:DebtCurrent

gm:Automotive


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value896114612762271271017301897289024901999935291528074341251511271066135011671012103183281764146241150057861052256417861748
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.50.50.91.10.70.81.21.10.90.41.31.32.01.20.50.40.60.50.50.50.40.40.30.20.20.30.30.30.30.31.11.2
Percentage of Assets gm:Automotive0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

gm:GmFinancial


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3329433922356373350237313433313550331884306593127330956279502545725006244502448028942323512786124362201992075618745163611394113940144881280815193143271359496533770
Percentage of DebtCurrent3715.82960.02792.91475.21376.92504.71871.51103.31231.31564.43310.8958.8906.9576.0972.22172.12715.02396.42387.42407.31959.22494.72294.42552.43017.53391.72897.62215.92490.72744.62410.3540.5215.7
Percentage of Assets13.814.215.214.015.717.615.613.813.113.413.612.411.611.411.510.712.014.012.611.29.610.29.68.77.57.78.27.28.58.38.25.72.5
Percentage of Assets gm:GmFinancial0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtCurrent gm:BusinessGroup, us-gaap:ConsolidatedEntities

gm:GmFinancial, us-gaap:VariableInterestEntityPrimaryBeneficiary


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value180901822820450187292424523952
Percentage of DebtCurrent2019.01590.61602.7824.7894.61262.6
Percentage of Assets7.57.68.77.810.210.5
Percentage of Assets gm:GmFinancial us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.0

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value748117632379910806037790491292849058425284294853038223784116802928271676890818499430690904851818253576043749877146672739695286734265701673297234769222624126256360021565395399257623566515657753226
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.932.034.033.632.837.037.236.436.136.636.237.336.737.836.235.739.239.438.437.936.136.836.738.537.437.437.038.140.439.937.537.136.836.836.137.137.337.736.8

us-gaap:LiabilitiesCurrent us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:EquityMethodInvestee


Liabilities
Period End2020-12-312019-12-31
Value4044132844
Percentage of LiabilitiesCurrent50.638.7
Percentage of Assets17.214.4
Percentage of Assets us-gaap:EquityMethodInvestee69.867.7

us-gaap:LiabilitiesCurrent us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

gm:AutomotiveChinaJointVentures, us-gaap:EquityMethodInvestee


Liabilities
Period End2020-12-312019-12-31
Value2563321256
Percentage of LiabilitiesCurrent32.125.0
Percentage of Assets10.99.3
Percentage of Assets gm:AutomotiveChinaJointVentures us-gaap:EquityMethodInvestee78.974.5

gm:Otherjointventures, us-gaap:EquityMethodInvestee


Liabilities
Period End2020-12-312019-12-31
Value1480811588
Percentage of LiabilitiesCurrent18.513.6
Percentage of Assets6.35.1
Percentage of Assets gm:Otherjointventures us-gaap:EquityMethodInvestee58.157.9

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:AccruedLiabilities


Operating
Period End2020-12-312019-12-31
Value209239
Percentage of OperatingLeaseLiabilityCurrent100.0100.0
Percentage of Assets0.10.1
Percentage of Assets us-gaap:AccruedLiabilities0.00.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value71007506772582738465789575086372690966236712588149474981
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.93.13.33.53.63.53.33.03.13.43.83.53.33.4

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:LiabilitiesNoncurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value1091161076451056071110601161381110159717598506102354103191102325100687997131005529939210417610026993675924349002690403873068273181126806147575375952660166416661544607586861564085589015843055204537265347752386
Percentage of LiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.145.244.946.348.945.042.642.543.844.345.044.645.646.046.845.441.740.641.741.443.042.942.542.943.442.142.737.335.835.536.540.739.338.339.135.535.335.636.2

us-gaap:LiabilitiesNoncurrent us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:EquityMethodInvestee


Liabilities
Period End2020-12-312019-12-31
Value78175985
Percentage of LiabilitiesNoncurrent7.46.2
Percentage of Assets3.32.6
Percentage of Assets us-gaap:EquityMethodInvestee13.512.3

us-gaap:LiabilitiesNoncurrent us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

gm:AutomotiveChinaJointVentures, us-gaap:EquityMethodInvestee


Liabilities
Period End2020-12-312019-12-31
Value1163968
Percentage of LiabilitiesNoncurrent1.11.0
Percentage of Assets0.50.4
Percentage of Assets gm:AutomotiveChinaJointVentures us-gaap:EquityMethodInvestee3.63.4

gm:Otherjointventures, us-gaap:EquityMethodInvestee


Liabilities
Period End2020-12-312019-12-31
Value66545017
Percentage of LiabilitiesNoncurrent6.35.2
Percentage of Assets2.82.2
Percentage of Assets gm:Otherjointventures us-gaap:EquityMethodInvestee26.125.1

Long Term Debt

us-gaap:LongTermDebt gm:BusinessGroup

us-gaap:LongTermDebt

gm:GmFinancial


Long
Period End2021-06-302021-03-312020-12-31
Value935709369592425
Percentage of LongTermDebt100.0100.0100.0
Percentage of Assets38.739.339.3
Percentage of Assets gm:GmFinancial0.00.00.0

us-gaap:LongTermDebt gm:BusinessGroup, gm:DebtType

gm:Automotive, us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value258302303191274123167
Percentage of LongTermDebt0.30.30.30.00.00.00.0
Percentage of Assets0.10.10.10.10.10.00.1
Percentage of Assets gm:Automotive us-gaap:SecuredDebt0.00.00.00.00.00.00.0

gm:Automotive, us-gaap:UnsecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value16743169681692928194343082988413909
Percentage of LongTermDebt17.918.118.30.00.00.00.0
Percentage of Assets6.97.17.211.814.412.16.1
Percentage of Assets gm:Automotive us-gaap:UnsecuredDebt0.00.00.00.00.00.00.0

gm:GmFinancial, us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-31
Value389993996539982
Percentage of LongTermDebt41.742.743.3
Percentage of Assets16.116.817.0
Percentage of Assets gm:GmFinancial us-gaap:SecuredDebt0.00.00.0

gm:GmFinancial, us-gaap:UnsecuredDebt


Long
Period End2021-06-302021-03-312020-12-31
Value545715373052443
Percentage of LongTermDebt58.357.356.7
Percentage of Assets22.622.522.3
Percentage of Assets gm:GmFinancial us-gaap:UnsecuredDebt0.00.00.0

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations gm:BusinessGroup

us-gaap:DebtAndCapitalLeaseObligations

gm:GmFinancial


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value9242588822922529618988938891289111492131909888637784440835208071779038784797994973876683486450060371543464825944330391253743133774326023055829046
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.337.138.839.039.038.539.039.540.038.338.638.238.034.432.734.633.331.430.629.627.925.523.921.721.119.118.217.617.5
Percentage of Assets gm:GmFinancial0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtAndCapitalLeaseObligations gm:BusinessGroup, gm:DebtType

gm:Automotive, us-gaap:SecuredDebt


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value303167143204136220237320
Percentage of DebtAndCapitalLeaseObligations0.30.20.20.30.20.40.61.1
Percentage of Assets0.10.10.10.10.10.10.10.2
Percentage of Assets gm:Automotive us-gaap:SecuredDebt0.00.00.00.00.00.00.00.0

gm:Automotive, us-gaap:UnsecuredDebt


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value169291390913292125799795761982055852
Percentage of DebtAndCapitalLeaseObligations18.315.614.615.613.314.021.920.1
Percentage of Assets7.26.15.85.94.43.94.63.5
Percentage of Assets gm:Automotive us-gaap:UnsecuredDebt0.00.00.00.00.00.00.00.0

gm:GmFinancial, us-gaap:SecuredDebt


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3998235671403084617039959390294104741625428353972239083394413988740775388284257939270352373433832733306892828426617246932521422932250062338622073
Percentage of DebtAndCapitalLeaseObligations43.340.243.748.044.943.845.145.247.146.046.347.249.451.649.553.353.251.653.254.256.558.660.063.167.467.976.776.576.0
Percentage of Assets17.014.917.018.717.516.917.617.918.817.617.918.018.817.816.218.417.716.216.316.115.815.014.313.714.213.014.013.513.3
Percentage of Assets gm:GmFinancial us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

gm:GmFinancial, us-gaap:UnsecuredDebt


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value5244353151519445001948979500995006750506481534665545357440794083038263396513737034606331113016227638236571997517713144321221710842759671726973
Percentage of DebtAndCapitalLeaseObligations56.759.856.352.055.156.254.954.852.954.053.752.850.648.450.546.746.848.446.845.843.541.440.036.932.632.123.323.524.0
Percentage of Assets22.322.221.920.321.521.621.421.721.220.720.720.219.216.716.516.215.615.214.313.612.210.69.58.06.96.14.24.14.2
Percentage of Assets gm:GmFinancial us-gaap:UnsecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations gm:BusinessGroup

us-gaap:LongTermDebtAndCapitalLeaseObligations

gm:Automotive


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
Value1642216406161932647332211285811248912448129571295413028130481101210957109871250895449602958597409789994679488503872587228910675368646687657366623424
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.86.96.911.013.611.65.55.45.55.65.75.85.05.05.25.54.04.24.34.54.74.94.14.54.74.85.03.83.83.94.04.02.3
Percentage of Assets gm:Automotive0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

gm:GmFinancial


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
Value60276597735678855320549395285853435572446045560858600325842758983585145626754558495374759846015439864430139615356013189830389251852294320966174091623115452140227108
Percentage of LongTermDebtAndCapitalLeaseObligations367.0364.3350.7209.0170.6184.9427.9459.9466.6469.8460.8447.8535.6534.0512.1436.2519.0495.7480.1451.6452.6398.3447.9375.1348.3288.8257.5310.5253.6242.7235.1210.5207.6
Percentage of Assets24.925.124.123.123.121.423.424.725.926.126.425.927.026.826.523.820.620.620.820.221.119.518.316.916.414.012.911.99.79.39.38.34.8
Percentage of Assets gm:GmFinancial0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebtAndCapitalLeaseObligations gm:BusinessGroup, us-gaap:ConsolidatedEntities

gm:GmFinancial, us-gaap:VariableInterestEntityPrimaryBeneficiary


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value205112138118974167461596115819
Percentage of LongTermDebtAndCapitalLeaseObligations124.9130.3117.263.349.6126.7
Percentage of Assets8.59.08.17.06.76.9
Percentage of Assets gm:GmFinancial us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.0

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

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

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

country:US, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value53255377501557407132
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0
Percentage of Assets2.32.42.22.73.2
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
Value75776793652380068132
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent142.3126.3130.1139.5114.0
Percentage of Assets3.23.02.93.83.7
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
Value62775935537059985803
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent117.9110.4107.1104.581.4
Percentage of Assets2.72.62.42.82.6
Percentage of Assets us-gaap:OtherPostretirementBenefitPlansDefinedBenefit0.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value6207610046474667418942044165421742733873391728472455116011991234204242239295373393452497524494567561591618567583630748756970910884871872914979
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.62.01.91.81.71.81.81.81.71.71.31.10.50.60.50.10.10.10.10.20.20.20.30.30.30.30.30.30.40.30.30.40.50.50.60.60.60.60.60.60.7

us-gaap:MinorityInterest us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:EquityMethodInvestee


Minority
Period End2020-12-312019-12-31
Value825848
Percentage of MinorityInterest17.820.4
Percentage of Assets0.40.4
Percentage of Assets us-gaap:EquityMethodInvestee1.41.7

us-gaap:MinorityInterest us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

gm:AutomotiveChinaJointVentures, us-gaap:EquityMethodInvestee


Minority
Period End2020-12-312019-12-31
Value824847
Percentage of MinorityInterest17.720.3
Percentage of Assets0.40.4
Percentage of Assets gm:AutomotiveChinaJointVentures us-gaap:EquityMethodInvestee2.53.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value146521316613447124241190312305131461329012794129171235712261118761194512394127431243813068130801308412699127801258613148132481355114082143711499913641133531404613472134281316912757127351275412442
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.15.55.75.25.05.05.85.75.55.55.45.45.45.55.85.65.25.75.96.06.06.36.57.07.17.57.98.18.47.98.08.38.38.78.88.28.48.58.6

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-31
Value97994596995196010100.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.40.40.40.40.40.40.0

us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:BalanceSheetLocation

us-gaap:OtherLiabilities


Operating
Period End2020-12-312019-12-31
Value9691000
Percentage of OperatingLeaseLiabilityNoncurrent100.099.0
Percentage of Assets0.40.4
Percentage of Assets us-gaap:OtherLiabilities0.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value205
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value196
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value151
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value122
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value437
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value184
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value516694834345030433413930440113417924455442816407653886038061361813429835001422434552145972438364472043630409323987134638351463632935457430024199442222426073677838374375873624441659407003925638120447444111836180
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.420.319.118.116.516.318.319.218.317.517.116.916.515.716.518.418.919.919.820.620.720.120.518.318.920.220.024.323.424.325.621.823.524.424.326.826.826.126.430.127.326.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value57876544434967748008434934431745957487714708944638427774090838636354583620043477457254621444075450154400341325403233513535670368233602443563425854284043174373613900438335370004262941610401403899145616420323908637159237182390121957
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.922.821.120.018.318.020.221.120.119.118.818.117.716.217.018.919.020.019.920.720.920.320.718.619.220.520.324.623.824.726.022.223.924.924.827.427.426.727.030.727.90.026.80.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

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-10466.0-10494.0-10654.0-8694.0-8579.0-8540.0-8859.0-6575.0-6695.0-6701.0-6737.0-6231.0-6290.0-6524.0-6398.0-5995.0-7208.0-6997.0-6968.0-5920.0-5950.0-6121.0-5999.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-18.1-19.3-21.4-18.1-19.7-19.3-19.3-13.5-14.2-15.0-15.7-15.2-16.3-18.4-17.7-13.8-15.8-15.1-15.8-13.2-13.5-14.8-14.9
Percentage of Assets-4.3-4.4-4.5-3.6-3.6-3.5-3.9-2.8-2.9-2.9-3.0-2.8-2.9-3.0-3.0-2.6-3.0-3.0-3.1-2.7-2.8-3.0-3.1
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:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value-12996.0-13326.0-13488.0-11955.0-11901.0-11800.0-11156.0-8997.0-8770.0-8849.0-9039.0-8321.0-8171.0-8081.0-8011.0-7783.0-9369.0-9250.0-9330.0-7953.0-7905.0-8054.0-8036.0-8034.0-7543.0-7331.0-8073.0-2930.0-3133.0-3138.0-3113.0-7981.0-8040.0-7611.0-8052.0-6724.0-5995.0-5768.0-5861.01412157114941251-1073.011531588
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-22.5-24.5-27.2-24.9-27.4-26.6-24.3-18.4-18.6-19.8-21.1-20.3-21.1-22.8-22.1-17.9-20.5-20.0-21.2-17.7-18.0-19.5-19.9-22.9-21.1-19.9-22.4-6.7-7.4-7.3-7.2-21.4-20.6-19.9-21.8-15.8-14.4-14.4-15.03.13.73.83.4-4.54.87.2
Percentage of Assets-5.4-5.6-5.7-5.0-5.0-4.8-4.9-3.9-3.8-3.8-4.0-3.7-3.7-3.7-3.8-3.4-3.9-4.0-4.2-3.7-3.8-4.0-4.1-4.3-4.1-4.1-4.5-1.7-1.7-1.8-1.9-4.7-4.9-4.9-5.4-4.3-3.9-3.8-4.11.01.00.00.90.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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-2445.0-2759.0-2735.0-3143.0-3192.0-3091.0-2278.0-2419.0-2078.0-2125.0-2250.0-2041.0-1826.0-1498.0-1606.0-1792.0-2162.0-2264.0-2355.0-2029.0-1959.0-1949.0-2034.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-4.2-5.1-5.5-6.5-7.3-7.0-5.0-5.0-4.4-4.8-5.3-5.0-4.7-4.2-4.4-4.1-4.7-4.9-5.3-4.5-4.5-4.7-5.0
Percentage of Assets-1.0-1.2-1.2-1.3-1.3-1.3-1.0-1.0-0.9-0.9-1.0-0.9-0.8-0.7-0.8-0.8-0.9-1.0-1.1-0.9-0.9-1.0-1.0
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value26844266672654226148260872601426074259282576525661255632550325465253372537125782263282701226983272412773427463276072774428161288192893728832288402877828780238782381823776238342644326399263342639126330244122434724257240412404224040
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest46.449.053.454.560.058.756.753.254.757.559.862.365.971.570.159.357.658.461.260.563.066.568.579.078.978.380.366.267.767.266.763.961.162.064.462.063.465.667.757.758.162.365.3101.4100.6109.5
Percentage of Assets11.111.211.310.911.010.511.411.211.011.011.211.311.611.611.911.211.011.712.212.513.213.514.214.715.216.016.316.316.116.617.314.214.615.516.017.017.417.518.317.716.20.017.50.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value15141414141414141414141414141414151515151615151616161616161615141414141616161616151515151515
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value6207610046474667418942044165421742733873391728472455116011991234204242239295373393452497524494567561591618567583630748756970910884871872914888979971886708
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest10.711.29.49.79.69.59.18.69.18.79.27.06.43.33.32.80.40.50.50.70.81.01.11.41.51.31.61.31.41.41.31.61.62.02.02.32.22.22.21.92.22.32.64.13.73.2
Percentage of Assets2.62.62.01.91.81.71.81.81.81.71.71.31.10.50.60.50.10.10.10.10.20.20.20.30.30.30.30.30.30.40.30.30.40.50.50.60.60.60.60.60.60.00.70.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value378063498831962291342510425885268602760925807239392232220865188731702817627242302854728195261682541723785215082028514912145121482514577139751316213457138161290312191110171005711533988982837183659547291951266-236.0-2195.0-4394.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest65.364.364.360.757.758.458.456.654.853.652.251.048.848.048.755.762.461.059.456.554.152.050.342.440.740.340.532.130.931.432.034.531.328.727.227.123.820.618.414.511.35.00.7-1.0-9.2-20.0
Percentage of Assets15.614.713.612.210.610.511.811.911.010.39.89.28.67.88.310.611.912.211.811.711.310.610.47.97.88.28.27.97.37.88.37.77.57.26.77.46.55.55.04.43.10.00.20.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value151414141414141414141414141414141515151516151516161616161616151414141416161616161515
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
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
Value268442666726542261482608726014260742592825765256612556325503254652533725371257822632827012269832724127734274632760727744281612881928937288322884028778287802387823818237762383426443263992633426391263302441224257
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.111.211.310.911.010.511.411.211.011.011.211.311.611.611.911.211.011.712.212.513.213.514.214.715.216.016.316.316.116.617.314.214.615.516.017.017.417.518.317.716.217.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value37806349883196229134251042588526860276092580723939223222086518873170281762724230285472819526168254172378521508202851491214512148251457713975131621345713816129031219111017100571153398898283718365954729266
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.614.713.612.210.610.511.811.911.010.39.89.28.67.88.310.611.912.211.811.711.310.610.47.97.88.28.27.97.37.88.37.77.57.26.77.46.55.55.04.43.10.2

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value-12996.0-13326.0-13488.0-11955.0-11901.0-11800.0-11156.0-8997.0-8770.0-8849.0-9039.0-8321.0-8171.0-8081.0-8011.0-7783.0-9369.0-9250.0-9330.0-7953.0-7905.0-8054.0-8036.0-8034.0-7543.0-7331.0-8073.0-2930.0-3133.0-3138.0-3113.0-7981.0-8040.0-7611.0-8052.0-6724.0-5995.0-5768.0-5861.01412157112511588
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-5.4-5.6-5.7-5.0-5.0-4.8-4.9-3.9-3.8-3.8-4.0-3.7-3.7-3.7-3.8-3.4-3.9-4.0-4.2-3.7-3.8-4.0-4.1-4.3-4.1-4.1-4.5-1.7-1.7-1.8-1.9-4.7-4.9-4.9-5.4-4.3-3.9-3.8-4.11.01.00.90.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value6207610046474667418942044165421742733873391728472455116011991234204242239295373393452497524494567561591618567583630748756970910884871872914979
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.62.01.91.81.71.81.81.81.71.71.31.10.50.60.50.10.10.10.10.20.20.20.30.30.30.30.30.30.40.30.30.40.50.50.60.60.60.60.60.60.7

us-gaap:MinorityInterest us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:EquityMethodInvestee


Minority
Period End2020-12-312019-12-31
Value825848
Percentage of MinorityInterest17.820.4
Percentage of Assets0.40.4
Percentage of Assets us-gaap:EquityMethodInvestee1.41.7

us-gaap:MinorityInterest us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

gm:AutomotiveChinaJointVentures, us-gaap:EquityMethodInvestee


Minority
Period End2020-12-312019-12-31
Value824847
Percentage of MinorityInterest17.720.3
Percentage of Assets0.40.4
Percentage of Assets gm:AutomotiveChinaJointVentures us-gaap:EquityMethodInvestee2.53.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:PreferredStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-31
Value1991537492262649408110949212610.0
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:PreferredStock, us-gaap:NoncontrollingInterest


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-31
Value1991537492262649408110949212610.0
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:PreferredStock us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1731326173-10.08469891661836916201121-37.05.0155731046.0797054-14.0485927-59.0414365-60.059535849
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1771326173-3.09078951751927724212129-39.0151658011311847558-11.0485927-59.0414365-60.059535849
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue102.3100.0100.0100.030.0107.1113.0106.7105.4104.9111.6150.0105.5106.6105.4300.0106.5109.6108.7183.3106.3107.1107.478.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Adjustments
Period End2021-06-302020-06-302020-03-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-4.00.0-7.0-6.0-9.0-6.0-9.0-9.0-8.0-8.0-11.0-8.02.0-10.0-10.0-7.0-9.0-5.0-5.0-5.0-4.0-3.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue-2.30.070.0-7.1-13.0-6.7-5.4-4.9-11.6-50.0-5.5-6.6-5.4-200.0-6.5-9.6-8.7-83.3-6.3-7.1-7.421.4
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6461394.062231863697.0300.010.06.08.09.08.03.0169.0470.07.036300.0303715421.09.028221.01318242.0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6461394.062231863697.0300.010.06.08.09.08.03.0169.0470.07.036300.0303715421.09.028221.01318242.0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value71621266669311231-2815.01561347365535076-81.06030367351054486888288155182041401865704893819781338339422499144220375064-377.0-1539.02624
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.34.419.635.0-21.15.411.320.615.7-0.315.710.313.91.218.38.614.95.09.115.312.52.22.09.010.56.63.85.512.9-1.0-4.27.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-4026.0-2984.0-5007.0-4483.0-5766.0-6570.0-1208.0-1551.0-4429.0-3711.0-6188.0-4535.0-5478.0-4562.0-4811.0-8838.0-7118.0-6805.0-11644.0-11660.0-5291.0-510.0776-3456.0467-1292.0-6236.0-1317.0-5226.039-2913.0-2264.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-13.1-10.3-14.7-14.0-43.1-22.5-3.9-4.9-13.7-11.9-16.1-12.7-14.9-12.6-12.8-26.3-19.2-16.5-26.5-27.2-13.5-1.42.0-9.21.2-3.4-16.4-3.6-13.30.1-7.9-6.6

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-780.03617-8607.0-9557.03623680-2332.0-2133.0-1289.01077284239578863769-95.021395493504749322118-314.02167-6464.01157594-28.0298-576.0-287.0207-1821.0-158.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.512.4-25.2-29.80.381.2-7.6-6.7-4.03.47.411.12.410.4-0.36.414.912.211.24.9-0.85.9-16.43.11.6-0.10.8-1.6-0.70.6-4.9-0.5

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
Value24891759-6739.0-2784.0-8526.018223442718-600.0-2715.026383087224-301.01968-3665.03999386-2959.0-2975.0
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 RevenueFromContractWithCustomerExcludingAssessedTax8.16.1-19.8-8.7-63.862.50.18.5-1.9-8.76.98.60.6-0.85.2-10.910.80.9-6.7-6.9

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value7281085225724-212.0188-367.0155332-253.0-792.09422136573632214389914-35.0616574731-3251.0-99.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value30143015306231583258319832473308339641093641330530993097315431302961282523222651249122221635187817021538
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization gm:BusinessGroup, us-gaap:ConsolidationItems

gm:Automotive, us-gaap:CorporateNonSegment


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.06.05.05.06.09.010.01113121412131110.011
Percentage of DepreciationDepletionAndAmortization0.10.20.20.20.20.30.30.30.40.30.40.40.40.40.30.4

gm:Automotive, us-gaap:OperatingSegments


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1422133613711333128214021471146915412208166813991264127313381387
Percentage of DepreciationDepletionAndAmortization47.244.344.842.239.343.845.344.445.453.745.842.340.841.142.444.3

us-gaap:DepreciationDepletionAndAmortization gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

gm:Automotive, us-gaap:OperatingSegments, gm:GMI


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value137132163146149166154133119127136136137153173166
Percentage of DepreciationDepletionAndAmortization4.54.45.34.64.65.24.74.03.53.13.74.14.44.95.55.3

gm:Automotive, us-gaap:OperatingSegments, gm:Gmna


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1281119812031182112712271309132514092069152112511114110911551210
Percentage of DepreciationDepletionAndAmortization42.539.739.337.434.638.440.340.141.550.441.837.935.935.836.638.7

us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gm:Cruise


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value13111311118.05.07.07.02.02.02.0
Percentage of DepreciationDepletionAndAmortization0.40.40.40.30.30.30.20.20.20.00.10.1

us-gaap:OperatingSegments, gm:GMFinancialSegment


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value15791668167818141965178817711832184818991971190418331823181617431586
Percentage of DepreciationDepletionAndAmortization52.455.354.857.460.355.954.555.454.446.254.157.659.158.957.655.753.6

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value71621266669311231-2815.01561347365535076-81.06030367351054486888288155182041401865704893819781338339422499144220375064-377.0-1539.02624
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.34.419.635.0-21.15.411.320.615.7-0.315.710.313.91.218.38.614.95.09.115.312.52.22.09.010.56.63.85.512.9-1.0-4.27.7

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
Value2836302228464045-758.0294-194.02351241821572044253423901046-5151.0-2981.016602608183527732866195362661359111794519871471278213104017171414117511941833184613157252107299233661406216215361068
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 RevenueFromContractWithCustomerExcludingAssessedTax9.210.48.312.6-5.71.0-0.67.47.56.95.37.16.52.9-13.7-8.94.56.34.26.56.85.215.83.52.92.65.03.70.70.62.64.43.63.23.04.94.93.51.95.77.69.33.86.34.63.4

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
Value2779301427974018-780.0286-192.02311240321452069253023661040-5180.0-2982.016632617177527122850193162261341114090820091442287280105317051388118510311854190113507472092303734111472222316121196
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 RevenueFromContractWithCustomerExcludingAssessedTax9.010.48.212.5-5.81.0-0.67.37.46.95.47.16.42.9-13.7-8.94.56.44.06.36.75.215.73.53.02.55.13.70.70.72.64.43.63.22.64.95.13.62.05.77.79.44.06.54.93.8

us-gaap:ProfitLoss us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

gm:AutomotiveChinaJointVentures


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value527586535562-348.0455499
Percentage of ProfitLoss19.019.413.3-72.1-121.719.720.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.72.01.74.2-1.21.41.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax gm:AutomotiveChinaJointVentures0.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-57.0-8.0-27.0-22.0-8.0-40.0-15.0-12.025-4.0-24.0-6.0-29.0-1.03.09.0-60.0-61.0-16.0-22.0-40.0-18.023-37.022-29.09.06713-12.0-26.010.0-163.021553522-15.045456661
Percentage of ProfitLoss-2.1-0.3-0.72.8-2.8-1.7-0.6-0.61.2-0.2-1.0-0.60.60.00.20.3-3.4-2.2-0.6-1.1-0.6-1.32.0-4.11.1-2.03.123.91.2-0.7-1.90.8-15.81.12.92.62.9-0.71.51.34.52.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.0-0.1-0.2-0.0-0.1-0.0-0.00.1-0.0-0.1-0.0-0.1-0.00.00.0-0.1-0.1-0.0-0.1-0.1-0.00.1-0.10.1-0.10.00.20.0-0.0-0.10.0-0.40.10.10.10.1-0.00.10.10.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value283630224045-758.02942351241821572044253423901046-5151.0-2981.0166026081835277328661953626613591117945198714712782131040171714141175119418331846131572521072992336614062162
Percentage of ProfitLoss102.1100.3100.797.2102.8101.7100.6100.698.8100.2101.0100.699.4100.099.899.7103.4102.2100.6101.1100.6101.398.0104.198.9102.096.976.198.8100.7101.999.2115.898.997.197.497.1100.798.598.795.597.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.210.412.6-5.71.07.47.56.95.37.16.52.9-13.7-8.94.56.34.26.56.85.215.83.52.92.65.03.70.70.62.64.43.63.23.04.94.93.51.95.77.69.33.86.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-4026.0-2984.0-5007.0-4483.0-5766.0-6570.0-1208.0-1551.0-4429.0-3711.0-6188.0-4535.0-5478.0-4562.0-4811.0-8838.0-7118.0-6805.0-11644.0-11660.0-5291.0-510.0776-3456.0467-1292.0-6236.0-1317.0-5226.039-2913.0-2264.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-13.1-10.3-14.7-14.0-43.1-22.5-3.9-4.9-13.7-11.9-16.1-12.7-14.9-12.6-12.8-26.3-19.2-16.5-26.5-27.2-13.5-1.42.0-9.21.2-3.4-16.4-3.6-13.30.1-7.9-6.6

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1573878197299211121224274013761462201421992211207922722100216721812005263622962325228525501835180516842002166416661759178519471893194020641945206519942178157311761322
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-780.03617-8607.0-9557.03623680-2332.0-2133.0-1289.01077284239578863769-95.021395493504749322118-314.02167-6464.01157594-28.0298-576.0-287.0207-1821.0-158.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.512.4-25.2-29.80.381.2-7.6-6.7-4.03.47.411.12.410.4-0.36.414.912.211.24.9-0.85.9-16.43.11.6-0.10.8-1.6-0.70.6-4.9-0.5

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value187616612.059055860855862655258653856653255657257358659460058856459259848813845886225711681045256218260220242217267
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312012-12-312011-12-312010-12-31
Value2414232818271153102772419332609
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

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
Value25896262442512924009353203684734647324783731020112469
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period 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
Value10867751341155712221385187725302745237051695410
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2021-03-312021-01-312020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value31631690958135797666904644502196591082310991451914297945281
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance dei:LegalEntity, us-gaap:SubsequentEventType

gm:GMCruiseHoldingsLLC, us-gaap:SubsequentEvent


Deferred
Period End2021-02-10
Value350
Percentage of DeferredTaxAssetsValuationAllowance0.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:StatementGeographical

gm:GermanySpainandSouthKorea


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value9100810080006700
Percentage of DeferredTaxAssetsValuationAllowance100.199.6100.3100.1

gm:DefinedBenefitPlanCurtailmentsSettlementsAndOther us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

gm:DefinedBenefitPlanCurtailmentsSettlementsAndOther

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-09-302019-09-30
Value-15000000.0-119000000.0
Percentage of DefinedBenefitPlanCurtailmentsSettlementsAndOther100.0100.0

gm:DefinedBenefitPlanNetPeriodicBenefitExpenseIncomeExcludingServiceCost

gm:DefinedBenefitPlanNetPeriodicBenefitExpenseIncomeExcludingServiceCost


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-485.0-483.0-322.0-336.0-338.0125232230500401420421
Percentage of DefinedBenefitPlanNetPeriodicBenefitExpenseIncomeExcludingServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:DepreciationamortizationandimpairmentchargesonProperty

gm:DepreciationamortizationandimpairmentchargesonProperty


Depreciationamortizationandimpairmentchargeson
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
Value14531362142014031312150215271484155622191675140312651722
Percentage of DepreciationamortizationandimpairmentchargesonProperty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:DepreciationandImpairmentofEquipmentonOperatingLeasesNet

gm:DepreciationandImpairmentofEquipmentonOperatingLeasesNet


Depreciationand
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
Value1565165316601759195318061759182518511897197119101864185918581792
Percentage of DepreciationandImpairmentofEquipmentonOperatingLeasesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Earningslossbeforeautomotiveinterestandtaxesadjusted

gm:Earningslossbeforeautomotiveinterestandtaxesadjusted


Earningslossbeforeautomotiveinterestandtaxesadjusted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value4117441737125284-536.0125010529663012231028283153319226103085252336823395270335433846265534003096
Percentage of Earningslossbeforeautomotiveinterestandtaxesadjusted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Earningslossbeforeautomotiveinterestandtaxesadjusted gm:BusinessGroup, us-gaap:ConsolidationItems

gm:Automotive, us-gaap:CorporateNonSegment


Earningslossbeforeautomotiveinterestandtaxesadjustedgm:
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
Value-38.03046-87.0-182.0-411.0-230.0-451.0-216.0206-383.0-94.00.0-93.0-347.0-77.0
Percentage of Earningslossbeforeautomotiveinterestandtaxesadjusted-0.90.71.2-1.634.0-32.9-219.0-15.2-7.28.9-13.5-3.00.0-3.6-11.2-3.1

gm:Automotive, us-gaap:OperatingSegments


Earningslossbeforeautomotiveinterestandtaxesadjustedgm:
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
Value2871347229414289-553.01232-87.0250727582133261028702813232929442380
Percentage of Earningslossbeforeautomotiveinterestandtaxesadjusted69.778.679.281.2103.298.6-82.984.591.692.392.391.088.189.295.494.3

gm:Earningslossbeforeautomotiveinterestandtaxesadjusted gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

gm:Automotive, us-gaap:OperatingSegments, gm:GMI


Earningslossbeforeautomotiveinterestandtaxesadjustedgm:
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
Value1530828310.0-270.0-551.0-120.0-65.0-48.031-48.0139143189416389
Percentage of Earningslossbeforeautomotiveinterestandtaxesadjusted0.47.07.60.250.4-44.1-114.3-2.2-1.61.3-1.74.44.57.213.515.4

gm:Automotive, us-gaap:OperatingSegments, gm:Gmna


Earningslossbeforeautomotiveinterestandtaxesadjustedgm:
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
Value2894313426124366-101.02194263302330221896304128252670223328752068
Percentage of Earningslossbeforeautomotiveinterestandtaxesadjusted70.371.070.482.618.8175.5250.5101.9100.382.1107.589.683.685.693.282.0

gm:Earningslossbeforeautomotiveinterestandtaxesadjusted us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Earningslossbeforeautomotiveinterestandtaxesadjustedus-gaap:
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-3.0-8.0-8.0-8.0-14.016-1.0-1.0-3.0-13.0-4.0-1.0-3.04.0-2.0-2.0-3.0
Percentage of Earningslossbeforeautomotiveinterestandtaxesadjusted-0.1-0.2-0.2-0.22.61.3-1.0-0.0-0.1-0.6-0.1-0.0-0.10.2-0.1-0.1-0.1

gm:Earningslossbeforeautomotiveinterestandtaxesadjusted us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gm:Cruise


Earningslossbeforeautomotiveinterestandtaxesadjustedus-gaap:
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-332.0-229.0-260.0-204.0-195.0-228.0-305.0-251.0-279.0-169.0-194.0-214.0
Percentage of Earningslossbeforeautomotiveinterestandtaxesadjusted-8.1-5.2-7.0-3.936.4-18.2-290.5-8.5-9.3-7.3-6.9-6.8

us-gaap:OperatingSegments, gm:GMFinancialSegment


Earningslossbeforeautomotiveinterestandtaxesadjustedus-gaap:
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
Value1581118210391207226230498711536359416498536443301310357
Percentage of Earningslossbeforeautomotiveinterestandtaxesadjusted38.426.828.022.8-42.218.4474.324.017.815.514.715.816.817.09.812.39.7

gm:ForeignCurrencyRemeasurementandTransactionGainsLosses

gm:ForeignCurrencyRemeasurementandTransactionGainsLosses


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-48.073-153.0-113.0-53.0116-85.0-8.0258-80.0112-174.0137-243.0-64.011741-146.0-88.0-33.0-75.0-162.082-123.0-600.0-188.0
Percentage of ForeignCurrencyRemeasurementandTransactionGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:IncreaseDecreaseToPolicyProductWarrantyAndRecallCampaignsAndCurrencyTranslationAndOtherAdjustments

gm:IncreaseDecreaseToPolicyProductWarrantyAndRecallCampaignsAndCurrencyTranslationAndOtherAdjustments


Increase
Period End2021-06-302021-03-312020-06-302020-03-31
Value17-6.034-115.0
Percentage of IncreaseDecreaseToPolicyProductWarrantyAndRecallCampaignsAndCurrencyTranslationAndOtherAdjustments100.0100.0100.0100.0

gm:IntercompanyTransactionsLeasedVehicleIncomeEarned gm:BusinessGroup, us-gaap:ConsolidationItems

gm:IntercompanyTransactionsLeasedVehicleIncomeEarned

gm:GmFinancial, us-gaap:IntersegmentElimination


Intercompany
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value704721749765805806814818835836827813798800786754
Percentage of IntercompanyTransactionsLeasedVehicleIncomeEarned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:InterestIncome gm:BusinessGroup

gm:InterestIncome

gm:Automotive


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value323246516183961291069811782726482596857454452443940414956505253
Percentage of InterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:InterestIncomeIntercompanyTransactions gm:BusinessGroup, us-gaap:ConsolidationItems

gm:InterestIncomeIntercompanyTransactions

gm:GmFinancial, us-gaap:IntersegmentElimination


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value211188183178162156140153147148145142137130131129122
Percentage of InterestIncomeIntercompanyTransactions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:IntersegmentEliminationsSubventionPaid gm:BusinessGroup, us-gaap:ConsolidationItems

gm:IntersegmentEliminationsSubventionPaid

gm:GmFinancial, us-gaap:IntersegmentElimination


Intersegment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value100010006900-943.096711007200-1000.0
Percentage of IntersegmentEliminationsSubventionPaid100.0100.0100.0100.0100.0100.0100.0100.0

gm:PolicyProductWarrantyAndRecallCampaignsPreexistingAdjustmentsIncreaseDecrease

gm:PolicyProductWarrantyAndRecallCampaignsPreexistingAdjustmentsIncreaseDecrease


Policy
Period End2021-06-302021-03-312020-06-302020-03-31
Value8111-1.0-19.0
Percentage of PolicyProductWarrantyAndRecallCampaignsPreexistingAdjustmentsIncreaseDecrease100.0100.0100.0100.0

gm:PolicyproductwarrantyandrecallcampaignsPayments

gm:PolicyproductwarrantyandrecallcampaignsPayments


Policyproductwarrantyandrecallcampaigns
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
Value786733726727652881798754728732728723717735747787786809
Percentage of PolicyproductwarrantyandrecallcampaignsPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:PolicyproductwarrantyandrecallcampaignsandCurrencytranslationandotherincreasedecrease

gm:PolicyproductwarrantyandrecallcampaignsandCurrencytranslationandotherincreasedecrease


Policyproductwarrantyandrecallcampaignsand
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value521734-115.030-34.0157.0-31.0-8.0-58.0-86.02.0391134
Percentage of PolicyproductwarrantyandrecallcampaignsandCurrencytranslationandotherincreasedecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:Policyproductwarrantyandrecallcampaignspreexistingadjustments

gm:Policyproductwarrantyandrecallcampaignspreexistingadjustments


Policyproductwarrantyandrecallcampaignspreexistingadjustments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value8.053-1.0-19.0376101-57.036-38.0-209.0-135.0-82.0-90.0-317.0-128.040
Percentage of Policyproductwarrantyandrecallcampaignspreexistingadjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:ReconcilingAdjustments

gm:ReconcilingAdjustments


Reconciling
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-99.05.0-76.0-92.0-489.0-358.0-267.01967-1327.0-440.0
Percentage of ReconcilingAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:ReconcilingAdjustments gm:BusinessGroup, us-gaap:ConsolidationItems

gm:Automotive, us-gaap:OperatingSegments


Reconciling
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-99.05.0-76.0-92.0-489.0-358.0-267.01967-1327.0-440.0
Percentage of ReconcilingAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:ReconcilingAdjustments gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

gm:Automotive, us-gaap:OperatingSegments, gm:GMI


Reconciling
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-82.0-26.0-76.0-92.0-489.0-218.092357850-74.00.0
Percentage of ReconcilingAdjustments82.8-520.0100.0100.0100.060.9-34.51878.91268.75.6-0.0

gm:Automotive, us-gaap:OperatingSegments, gm:Gmna


Reconciling
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-17.00.00.0-140.0-359.0-336.0-783.0-1236.00.0
Percentage of ReconcilingAdjustments17.2-0.0-0.039.1134.5-1768.4-1168.793.1-0.0

gm:RelatedPartyTransactionsCashPayments dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty

gm:RelatedPartyTransactionsCashPayments

gm:PSAGroup, srt:AffiliatedEntity


Related
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value106179279146337279
Percentage of RelatedPartyTransactionsCashPayments100.0100.0100.0100.0100.0100.0

gm:RelatedPartyTransactionsCashReceipts dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty

gm:RelatedPartyTransactionsCashReceipts

gm:PSAGroup, srt:AffiliatedEntity


Related
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value3567110166476581
Percentage of RelatedPartyTransactionsCashReceipts100.0100.0100.0100.0100.0100.0

gm:RestructuringReserveAccrualAdjustmentincludingForeignCurrency

gm:RestructuringReserveAccrualAdjustmentincludingForeignCurrency


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value-2.01.06732-25.0254830-13.021893.03812597.00.0-11.026297.0-24.035561-10.074822.07.0-4.0257.0
Percentage of RestructuringReserveAccrualAdjustmentincludingForeignCurrency100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:RevenueChangeInJudgementRelatedToSalesIncentives

gm:RevenueChangeInJudgementRelatedToSalesIncentives


Revenue
Period End2021-06-302020-06-30
Value350470
Percentage of RevenueChangeInJudgementRelatedToSalesIncentives100.0100.0

gm:RevenueChangeInJudgmentRelatedToSalesIncentives

gm:RevenueChangeInJudgmentRelatedToSalesIncentives


Revenue
Period End2020-09-302019-09-30
Value340560
Percentage of RevenueChangeInJudgmentRelatedToSalesIncentives100.0100.0

gm:WarrantiesIssuedAndAssumedInPeriodProductWarranty

gm:WarrantiesIssuedAndAssumedInPeriodProductWarranty


Warranties
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
Value463443532523220498445500529527544542536521537481539613621631595549
Percentage of WarrantiesIssuedAndAssumedInPeriodProductWarranty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:WarrantiesIssuedAndAssumedInPeriodRecallCampaigns

gm:WarrantiesIssuedAndAssumedInPeriodRecallCampaigns


Warranties
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
Value1328120122124941117136357128124150101231183151173191184272306178154
Percentage of WarrantiesIssuedAndAssumedInPeriodRecallCampaigns100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:WarrantiesIssuedAndAssumedInPeriodRecallCampaigns us-gaap:LossContingenciesByNatureOfContingency

gm:ChevroletBoltEVRecall


Warranties
Period End2021-06-30
Value812
Percentage of WarrantiesIssuedAndAssumedInPeriodRecallCampaigns61.1

us-gaap:AllowanceForLoanAndLeaseLossesForeignCurrencyTranslation gm:BusinessGroup

us-gaap:AllowanceForLoanAndLeaseLossesForeignCurrencyTranslation

gm:GmFinancial


Allowance
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value337.00.0-61.07.0-8.01.02.0-4.02.0-14.06.0-7.03.0-1.06.0-5.0-2.03.08.0-1.0-14.02.0-12.0-19.06.00.00.03.00.0
Percentage of AllowanceForLoanAndLeaseLossesForeignCurrencyTranslation100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4.0184.07.0110391.0117.05.08.030484231723358-60.0358870-56.0103468219
Percentage of AssetImpairmentCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges gm:BusinessGroup, us-gaap:ConsolidationItems

gm:Automotive, us-gaap:OperatingSegments


Asset
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-2.04.07.01103.01.0117.05.08.0304842317
Percentage of AssetImpairmentCharges-11.1100.0100.0100.07.7100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

gm:Automotive, us-gaap:OperatingSegments, gm:GMI


Asset
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-2.04.07.0903.01.03.00.03.02.02.04594.07.0
Percentage of AssetImpairmentCharges-11.1100.0100.081.87.7100.027.30.060.025.06.794.817.441.2

gm:Automotive, us-gaap:OperatingSegments, gm:Gmna


Asset
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.00.0200.00.08.07.02.00.028251910.0
Percentage of AssetImpairmentCharges0.00.00.018.20.00.072.7100.040.00.093.35.282.658.8

us-gaap:AssetImpairmentCharges us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gm:Cruise


Asset
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.00.00.0360.00.00.00.00.0
Percentage of AssetImpairmentCharges100.00.00.092.30.00.00.00.00.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value19581710675511126240912411785-145.02269771062152243048470218411649-59.042314641485-102.0-131.0178416731812418101927365335
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value294395228245241386200434469433
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-6.0-7.0-4.0-4.0-4.0-4.0-3.0-2.0-3.0-3.0-3.0-2.0-3.0-2.01.02.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-54.0-54.0-45.0-44.0-40.0-42.0-32.0-31.0-30.0-29.0-35.0-35.0-37.0-37.0-33.0-29.0-48.0-47.0-33.0-34.0-35.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses900.0771.41125.01100.01000.01050.01066.71550.01000.0966.71166.71750.01233.31850.0-3300.0-1450.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-23.0-25.0-19.0-18.0-18.0-19.0-8.0-7.0-7.0-8.0-14.0-14.0-13.0-13.01.0-8.0-8.0-8.0-4.0-5.0-5.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses383.3357.1475.0450.0450.0475.0266.7350.0233.3266.7466.7700.0433.3650.0100.0-400.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


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
Value2.01.02.01.02.02.01.01.01.01.01.02.01.01.04.03.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


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-1.0-2.0-1.0-2.0-2.0-3.0-4.0-3.0-4.0-3.0-4.0-3.0-4.0-3.0-3.0-3.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit-50.0-200.0-50.0-200.0-100.0-150.0-400.0-300.0-400.0-300.0-400.0-150.0-400.0-300.0-75.0-100.0

us-gaap:DefinedBenefitPlanBenefitObligationPaymentForSettlement us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanBenefitObligationPaymentForSettlement

country:CA, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value1500
Percentage of DefinedBenefitPlanBenefitObligationPaymentForSettlement100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value794795818816817816873871871868973972972973920919
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value158152168174163170159240192195204201208212222185172171195179177
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets19.919.120.521.320.020.818.227.622.022.521.020.721.421.824.120.10.00.00.00.00.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value268269429429429429566566566566512513512513537536
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value61599192889170148118120115112117120107115126125143127126
Percentage of DefinedBenefitPlanInterestCost22.821.921.221.420.521.212.426.120.821.222.521.822.923.419.921.50.00.00.00.00.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value313143434443575455544849485053514949515050
Percentage of DefinedBenefitPlanInterestCost11.611.510.010.010.310.010.19.59.79.59.49.69.49.79.99.50.00.00.00.00.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-455.0-455.0-302.0-321.0-322.0-322.0-182.0-205.0-205.0-202.0-392.0-375.0-376.0-376.0-340.0-307.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-9.0227203.0-6.0-8.098-14.0-10.0-7.0-2.0-14.012-10.06.04348656646
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost2.0-75.2-6.2-0.91.94.4-47.86.85.01.80.53.7-3.22.9-2.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value585864656465576262635964636462605958575656
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost-12.7-12.7-21.2-20.2-19.9-20.2-31.3-30.2-30.2-31.2-15.1-17.1-16.8-17.0-18.2-19.50.00.00.00.00.0

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

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1

country:CA, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value130
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1100.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6665-11.0636362-116.0999898
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value323826413729183829351133396649454046608059
Percentage of DefinedBenefitPlanServiceCost48.558.5-236.465.158.746.8-15.538.429.635.70.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value5.04.05.05.04.05.05.04.04.04.05.05.05.05.05.04.06.04.05.04.04.0
Percentage of DefinedBenefitPlanServiceCost7.66.2-45.57.96.38.1-4.34.04.14.10.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Depreciation us-gaap:MajorPropertyClass

us-gaap:Depreciation

us-gaap:Vehicles


Depreciationus-gaap:
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
Value15001700170018001900180017001800180019001900190018001800180018001600150014001300
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet dei:LegalEntity, gm:BusinessGroup, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

gm:PSAGroup, gm:Automotive, us-gaap:Nondesignated, us-gaap:NonoperatingIncomeExpense


Derivative
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
Value15421036676114-417.0-68.05132139-208.017127127
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock gm:BusinessGroup

us-gaap:DividendsCommonStock

gm:GmFinancial


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-10-312018-10-31
Value6006000.00.0400400400375
Percentage of DividendsCommonStock100.0100.00.00.0100.0100.0100.0100.0

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
Value133-140.01822519-448.0111-151.0420.0-46.0-8.0-289.044-14.0153106103-265.0-3.0
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:EffectOnFutureCashFlowsAmount us-gaap:StatementGeographical, us-gaap:StatementScenario, us-gaap:StatementBusinessSegments

us-gaap:EffectOnFutureCashFlowsAmount

gm:AustraliaNewZealandandThailand, srt:ScenarioForecast, gm:GMI


Effect
Period End2020-12-31
Value-40.0
Percentage of EffectOnFutureCashFlowsAmount100.0

us-gaap:EffectOnFutureCashFlowsAmount us-gaap:StatementScenario, us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

srt:ScenarioForecast, gm:UnallocationofProductstoCertainManufacturingFacilitiesAndOtherEmployeeSeparationPrograms, gm:Gmna


Effect
Period End2020-12-31
Value-100.0
Percentage of EffectOnFutureCashFlowsAmount250.0

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation gm:BusinessGroup

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation

gm:GmFinancial


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value14-14.00.0-61.0
Percentage of FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation100.0100.00.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease


Financing
Period End2021-06-30
Value-130000000.0
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery gm:BusinessGroup

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

gm:GmFinancial


Financing
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
Value1461501591369115614013413214513813014512313213514214714413413315013012410912413010610712710910370806246
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs gm:BusinessGroup

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

gm:GmFinancial


Financing
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
Value20425327428227334035830027930932128529829531528727330732029426629328925622023426923019122422417111613211882
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-03-31
Value327365285309212-132.02683152714143485306376485475005305555654976605606155025245534694975236053904364295554214183004232144
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments gm:BusinessGroup, us-gaap:ConsolidationItems

gm:Automotive, us-gaap:OperatingSegments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value277311251263170-157.0228276229369306486592596503459
Percentage of IncomeLossFromEquityMethodInvestments84.785.288.185.180.2118.985.187.684.589.187.991.792.992.092.091.8

us-gaap:IncomeLossFromEquityMethodInvestments gm:BusinessGroup, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

gm:Automotive, us-gaap:OperatingSegments, gm:GMI


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value274307249259165-163.0237279233374305484589594503457
Percentage of IncomeLossFromEquityMethodInvestments83.884.187.483.877.8123.588.488.686.090.387.691.392.591.792.091.4

gm:Automotive, us-gaap:OperatingSegments, gm:Gmna


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.04.02.04.05.06.01.03.02.02.01.02.03.02.00.02.0
Percentage of IncomeLossFromEquityMethodInvestments0.91.10.71.32.4-4.50.41.00.70.50.30.40.50.30.00.4

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gm:GMFinancialSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5054344642254039424542444552444142
Percentage of IncomeLossFromEquityMethodInvestments15.314.811.914.919.8-18.914.912.415.510.912.18.37.18.08.08.27.9

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

gm:AutomotiveChinaJointVentures


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value276308262169-167.0282235376485592597459509504525459471518572463503519
Percentage of IncomeLossFromEquityMethodInvestments84.484.484.879.7126.589.586.790.891.592.992.191.896.090.892.992.471.492.593.092.296.093.9

gm:Otherjointventures


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value51573747433529333638414545514341215140381894243392134
Percentage of IncomeLossFromEquityMethodInvestments15.615.613.015.220.3-26.510.810.513.39.211.88.57.17.97.98.24.09.27.17.628.67.57.07.84.06.1

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-365.0349-387.0309-314.0-132.0-342.013-669.0413326525-1358.0648502117-1042.0555415493-1412.0519310187-889.0539
Percentage of IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance

gm:AustraliaandNewZealand, gm:GMI


Income
Period End2020-09-302020-06-302020-03-31
Value0.00.0236
Percentage of IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance0.00.0100.0

us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants

us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-30
Value17172.07.00.07.0-2.0141819-1.01921223.02722270.0243334-4.0416469-5.07980972.01521471343.08898-12.0119
Percentage of IncrementalCommonSharesAttributableToCallOptionsAndWarrants100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndFeeIncomeLoansConsumer

us-gaap:InterestAndFeeIncomeLoansConsumer


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value1036101610259999661005103210411006985883864
Percentage of InterestAndFeeIncomeLoansConsumer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndFeeIncomeLoansConsumer us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.0-1.0-1.0-2.0-2.0-2.0-3.0-2.0-1.0-2.0
Percentage of InterestAndFeeIncomeLoansConsumer0.00.00.0-0.1-0.1-0.2-0.2-0.20.00.0-0.1-0.2

us-gaap:InterestAndFeeIncomeLoansConsumer us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gm:GMFinancialSegment


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1036101610259999661006103310431008987962917884866
Percentage of InterestAndFeeIncomeLoansConsumer100.0100.0100.0100.0100.0100.1100.1100.2100.2100.20.00.0100.1100.2

us-gaap:LeaseIncome

us-gaap:LeaseIncome


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value230423212327235423862463249625152512250924972447
Percentage of LeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseIncome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gm:GMFinancialSegment


Lease
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
Value23042321232723542386246324962515251225092518250124972447
Percentage of LeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0

us-gaap:LitigationSettlementAmountAwardedToOtherParty dei:LegalEntity, us-gaap:LitigationCase, us-gaap:LitigationStatus

us-gaap:LitigationSettlementAmountAwardedToOtherParty

gm:MLCGUCTrust, gm:IgnitionSwitchRecallLitigationsEconomicDamage, gm:ProposedSettlement


Litigation
Period End2020-12-312020-06-302020-03-31
Value0.05050
Percentage of LitigationSettlementAmountAwardedToOtherParty0.0100.0100.0

us-gaap:LitigationSettlementAmountAwardedToOtherParty us-gaap:ConsolidatedEntities, us-gaap:LitigationCase, us-gaap:LitigationStatus

srt:ParentCompany, gm:IgnitionSwitchRecallLitigationsEconomicDamage, gm:ProposedSettlement


Litigation
Period End2020-12-312020-06-302020-03-31
Value0.07070
Percentage of LitigationSettlementAmountAwardedToOtherParty0.0140.0140.0

us-gaap:LitigationSettlementAmountAwardedToOtherParty us-gaap:LitigationCase, us-gaap:LitigationStatus

gm:IgnitionSwitchRecallLitigationsEconomicDamage, gm:ProposedSettlement


Litigation
Period End2020-12-312020-06-302020-03-31
Value0.0120120
Percentage of LitigationSettlementAmountAwardedToOtherParty0.0240.0240.0

us-gaap:LongTermPurchaseCommitmentAmount us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased

us-gaap:LongTermPurchaseCommitmentAmount

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, gm:UltiumCellsLLC, us-gaap:CapitalAdditions


Long
Period End2021-06-302021-03-31
Value824676
Percentage of LongTermPurchaseCommitmentAmount100.0100.0

us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease us-gaap:LitigationCase

us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease

gm:KoreaWageLitigationSalaried


Loss
Period End2021-06-30
Value107
Percentage of LossContingencyAccrualCarryingValuePeriodIncreaseDecrease100.0

us-gaap:LossContingencyNumberOfPlaintiffs us-gaap:LitigationCase

us-gaap:LossContingencyNumberOfPlaintiffs

gm:KoreaWageLitigationHourly


Loss
Period End2020-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302010-09-29
Value000010000.000010000.00010000.0
Percentage of LossContingencyNumberOfPlaintiffs0.00.00.00.0100.00.00.00.0100.00.00.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-48.086-2206.0-177.0-97.0263-2357.080-28.0-1.0-496.0-4.0190-170.0-444.087-266.0-77.0-1069.0-3.0133-148.035085-147.0488-4831.0254-69.0235455-34.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-28.0-160.0195811539-317.02284-120.0-6.0-36.0507-59.0-234.07.0403-1213.0211291048-30.0-171.0122-368.0-154.065-554.04809-280.043-67.0-5422.0-9.0-79.0-183.01463715-15.0-43.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value833-4807.07024042-5086.0-1761.044371047-1041.0-5316.03580-782.0-973.0-3503.05593-1696.0-691.0-3674.0
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value19590-51.0-39.0678810.0-49.0-101.02.0-147.032-47.040-80.0-34.0-62.0-2.0-1.06.0-176.0-2.0-19.0-8.0-38.0-43.0-113.0-84.0-91.0-8.0-143.077153-78.0101-169.0141-1.0-39.0-62.06.0-11.0
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsForRestructuring


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-03-31
Value29791551851631754561621663173372458371657553348956347157104168174437232239208145183212127184-286.0-337.0
Percentage of PaymentsForRestructuring100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRestructuring us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

gm:EmployeeSeveranceandStatutoryPensionPayments, gm:Gmna


Payments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value7.0100171158172315
Percentage of PaymentsForRestructuring3.861.397.797.5103.699.4

us-gaap:PaymentsForRestructuring us-gaap:StatementGeographical, us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

gm:AustraliaNewZealandThailandAndIndia, gm:DealerRestructuringAndEmployeeSeparationPayments, gm:GMI


Payments
Period End2021-06-302021-03-31
Value6.024
Percentage of PaymentsForRestructuring20.730.4

us-gaap:PaymentsToAcquireFinanceReceivables

us-gaap:PaymentsToAcquireFinanceReceivables


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value9312817377967365855563745511527065427215837465195853492541914557426263154639487641934161439447254309406739204006351833001271613722268016091848
Percentage of PaymentsToAcquireFinanceReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireLeasesHeldForInvestment

us-gaap:PaymentsToAcquireLeasesHeldForInvestment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value63266113476544142321373339164299444237473685392946264496437149255124476045734848509251114122453242522252160713671182620521607648478213227306304
Percentage of PaymentsToAcquireLeasesHeldForInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PaymentsToAcquireMarketableSecurities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1724236640144534356540919459171536677507742
Percentage of PaymentsToAcquireMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementBenefitContributions

us-gaap:PensionAndOtherPostretirementBenefitContributions


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2032222412831142131962192792913198185324005273563663873593228621922404372431393
Percentage of PensionAndOtherPostretirementBenefitContributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementBenefitExpense

us-gaap:PensionAndOtherPostretirementBenefitExpense


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-406.0-397.0-11.0-236.0-255.0-263.0-133.0-45.0-157.0-149.0-340.0-313.0-327.0-300.0-288.0-241.0-259.0-146.0-130.0-126.0-146.0-151.0755714643
Percentage of PensionAndOtherPostretirementBenefitExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStockDividendsAndOtherAdjustments

us-gaap:PreferredStockDividendsAndOtherAdjustments


Preferred
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
Value4646454048473838373838311514142.00.00.00.00.0
Percentage of PreferredStockDividendsAndOtherAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ProceedsFromCollectionOfFinanceReceivables

us-gaap:ProceedsFromCollectionOfFinanceReceivables


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value586160855104505948244739491753805501620752724356394234783215336024103593326832633370327130083002290228142736282526602639113077349692718611325130910241016
Percentage of ProceedsFromCollectionOfFinanceReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromDebtMaturingInMoreThanThreeMonths

us-gaap:ProceedsFromDebtMaturingInMoreThanThreeMonths


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value1260513350135961146617602358639102732487541175711000964411823113349139159171554211589126059323109791223410863831810343615595256973
Percentage of ProceedsFromDebtMaturingInMoreThanThreeMonths100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromDivestitureOfBusinessesNetOfCashDivested us-gaap:StatementGeographical, us-gaap:StatementScenario, us-gaap:StatementBusinessSegments

us-gaap:ProceedsFromDivestitureOfBusinessesNetOfCashDivested

country:TH, srt:ScenarioForecast, gm:GMI


Proceeds
Period End2020-12-31
Value140
Percentage of ProceedsFromDivestitureOfBusinessesNetOfCashDivested100.0

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital


Proceeds
Period End2021-06-302020-09-302020-06-302019-09-302019-06-30
Value6930.0525303941
Percentage of ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital100.00.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock

us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302016-12-31
Value19915370.0492-6.04911094920.09850.0
Percentage of ProceedsFromIssuanceOfPreferredStockAndPreferenceStock100.0100.00.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock us-gaap:StatementClassOfStock

us-gaap:SeriesCPreferredStock


Proceeds
Period End2020-09-30
Value500
Percentage of ProceedsFromIssuanceOfPreferredStockAndPreferenceStock101.6

us-gaap:ProceedsFromLeasesHeldForInvestment

us-gaap:ProceedsFromLeasesHeldForInvestment


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value594949193462440024493088331935393385305927702791292423792018192516421082756711609481434194283185138131141123755847372316128.08.0121116
Percentage of ProceedsFromLeasesHeldForInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-55.0-35.0120-41.0-224.0-267.0-78.089-28.0-236.0-201.0-76.0-176.0-187.0-34.0-34.0-93.0-144.02.0-3.0-65.0-51.0-33.0-30.0-43.03.0-46.0-56.0-7.0-14.0-3.0-34.0-90.0-23.0-76.0-17.0-18.0-5.0-78.0-4.0-39.0-18.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess

us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value8221543-303.0-266.083313-1068.0-180.0-23.0959-509.0105152412023439-149.0-264.029070-300.0738641689-300.0981327-1195.0-125.038487-29.04850-26.0-65.0-10.0-146.0-38.0-47.097119
Percentage of ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value329436324923332425811113367813435666784711751824206211063029195829142781275320653272978796422224671632251916681055789390140298515961331356540275474406320264262
Percentage of ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5575045004765543662900535486611700170010009205003700
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses gm:BusinessGroup

us-gaap:ProvisionForLoanLeaseAndOtherLosses

gm:GmFinancial


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value5731327466222150179175198180128136184204158217150172151196184144141155196160113135-164.0-117.010094-116.0-78.0
Percentage of ProvisionForLoanLeaseAndOtherLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed gm:BusinessGroup

us-gaap:ProvisionForLoanLossesExpensed

gm:GmFinancial


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value59-26.0327466
Percentage of ProvisionForLoanLossesExpensed100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-76.0-74.0-248.0-62.0-58.0-54.0-73.0-40.0-34.0-37.010.0-63.0-44.0-44.0-41.0-1126.0-55.0-48.0-21.0-33.0-38.0-26.0-18.0-69.0-82.0-66.0-22.0-26.0-26.0-44.033-43.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty

gm:PSAGroup, srt:AffiliatedEntity


Related
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value7456148243213192
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfDebtMaturingInMoreThanThreeMonths

us-gaap:RepaymentsOfDebtMaturingInMoreThanThreeMonths


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value1433312702220042114718173113399724880798481077779156568120086832755812703777055616378547564125550493339065308310939986477
Percentage of RepaymentsOfDebtMaturingInMoreThanThreeMonths100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLongTermLinesOfCredit gm:DebtType, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:RepaymentsOfLongTermLinesOfCredit

us-gaap:UnsecuredDebt, gm:ThreeYearRevolvingCreditFacilityApril2021, us-gaap:LineOfCredit


Repayments
Period End2020-09-30
Value3200
Percentage of RepaymentsOfLongTermLinesOfCredit100.0

us-gaap:RepaymentsOfLongTermLinesOfCredit gm:DebtType, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:UnsecuredDebt, gm:FiveYearRevolvingCreditFacilityDue2023, us-gaap:LineOfCredit, us-gaap:SubsequentEvent


Repayments
Period End2020-10-31
Value3900
Percentage of RepaymentsOfLongTermLinesOfCredit0.0

us-gaap:RepaymentsOfLongTermLinesOfCredit gm:DebtType, us-gaap:LongtermDebtType

us-gaap:UnsecuredDebt, us-gaap:LineOfCredit


Repayments
Period End2020-09-30
Value2000
Percentage of RepaymentsOfLongTermLinesOfCredit62.5

us-gaap:RepaymentsOfSeniorDebt gm:DebtType, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:RepaymentsOfSeniorDebt

us-gaap:UnsecuredDebt, gm:FloatingRateNotes, us-gaap:SeniorNotes


Repayments
Period End2020-08-31
Value500
Percentage of RepaymentsOfSeniorDebt100.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value553.023180352191302112424610378.0137455-3.043250466935473059212716318425724029886-70.0-77.0-63.0-151.0112-101.0-71.060
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringSettlementAndImpairmentProvisions us-gaap:StatementGeographical, us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

us-gaap:RestructuringSettlementAndImpairmentProvisions

gm:AustraliaNewZealandandThailand, gm:AssetImpairmentsSalesAllowancesInventoryProvisionsAndOtherCharges, gm:GMI


Restructuring
Period End2020-09-302020-06-302020-03-31
Value3265270
Percentage of RestructuringSettlementAndImpairmentProvisions100.0100.0100.0

gm:AustraliaNewZealandandThailand, gm:DealerRestructuringAndEmployeeSeparationPayments, gm:GMI


Restructuring
Period End2020-09-302020-06-302020-03-31
Value4427219
Percentage of RestructuringSettlementAndImpairmentProvisions137.541.581.1

gm:AustraliaNewZealandandThailand, gm:SupplierClaims, gm:GMI


Restructuring
Period End2020-09-30
Value76
Percentage of RestructuringSettlementAndImpairmentProvisions237.5

us-gaap:RestructuringSettlementAndImpairmentProvisions us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

gm:AustraliaNewZealandThailandAndIndia, gm:GMI


Restructuring
Period End2021-06-302021-03-31
Value2.04.0
Percentage of RestructuringSettlementAndImpairmentProvisions0.00.0

gm:AustraliaNewZealandandThailand, gm:GMI


Restructuring
Period End2020-09-302020-06-302020-03-31
Value7692489
Percentage of RestructuringSettlementAndImpairmentProvisions237.5141.5181.1

us-gaap:RevenueFromRelatedParties dei:LegalEntity, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

gm:PSAGroup, srt:AffiliatedEntity


Revenue
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value338.053140441427
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0

us-gaap:RevenueNotFromContractWithCustomer

us-gaap:RevenueNotFromContractWithCustomer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3423340734253413341535593632365636353617
Percentage of RevenueNotFromContractWithCustomer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueNotFromContractWithCustomer us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Revenue
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-3.0-1.0-8.0-8.0-2.0-4.0-3.0-4.0-3.0
Percentage of RevenueNotFromContractWithCustomer-0.1-0.0-0.2-0.2-0.1-0.1-0.1-0.1-0.1

us-gaap:RevenueNotFromContractWithCustomer us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, gm:GMFinancialSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value34263407342634213423356136363659363936203599351834883411325231612990
Percentage of RevenueNotFromContractWithCustomer100.1100.0100.0100.2100.2100.1100.1100.1100.1100.10.00.00.00.00.00.00.0

us-gaap:SaleOfStockConsiderationReceivedOnTransaction dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:StatementClassOfStock

us-gaap:SaleOfStockConsiderationReceivedOnTransaction

gm:GMCruiseHoldingsLLC, gm:GeneralMotorsHoldingsLLC, us-gaap:SeriesGPreferredStock


Sale
Period End2021-06-302021-03-31
Value0.01000
Percentage of SaleOfStockConsiderationReceivedOnTransaction0.0100.0

gm:GMCruiseHoldingsLLC, gm:MicrosoftGeneralMotorsHoldingsLLCAndOtherInvestors, us-gaap:SeriesGPreferredStock


Sale
Period End2021-06-302021-03-31
Value2002500
Percentage of SaleOfStockConsiderationReceivedOnTransaction0.0250.0

us-gaap:SaleOfStockConsiderationReceivedOnTransaction dei:LegalEntity, us-gaap:CounterpartyName, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

gm:GMCruiseHoldingsLLC, gm:GeneralMotorsHoldingsLLC, us-gaap:SeriesGPreferredStock, us-gaap:SubsequentEvent


Sale
Period End2021-01-31
Value1000
Percentage of SaleOfStockConsiderationReceivedOnTransaction0.0

gm:GMCruiseHoldingsLLC, gm:MicrosoftGeneralMotorsHoldingsLLCAndOtherInvestors, us-gaap:SeriesGPreferredStock, us-gaap:SubsequentEvent


Sale
Period End2021-01-31
Value2200
Percentage of SaleOfStockConsiderationReceivedOnTransaction0.0

us-gaap:StandardProductWarrantyAccrualPeriodIncreaseDecrease us-gaap:LitigationCase

us-gaap:StandardProductWarrantyAccrualPeriodIncreaseDecrease

gm:TakataPassengerSideAirbags


Standard
Period End2020-12-31
Value1100
Percentage of StandardProductWarrantyAccrualPeriodIncreaseDecrease100.0

us-gaap:StockholdersEquityOther

us-gaap:StockholdersEquityOther


Stockholders
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
Value-16.0118.07.0-13.0-80.0-60.01.0186-6.0-187.0-1.06.02.0354.0-38.0-5.0-1.08.011-5.0-17.0-2.07.0-14.0-1.0-17.0252.038-5.012-30.09.03.0-52.02.01.0-5.01.05.0
Percentage of StockholdersEquityOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityOther us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312014-12-312014-09-302013-12-312013-09-30
Value7.00.00.0-73.0-26.0-3.0178-38.0-128.0-10.00.0601.0-1.00.01.0-1.01.00.00.00.0
Percentage of StockholdersEquityOther63.60.0-0.091.243.3-300.095.7633.368.41000.00.03000.02.9-25.0-0.0-100.0-12.514.3-0.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-30
Value-1.0
Percentage of StockholdersEquityOther6.2

us-gaap:NoncontrollingInterest


Stockholders
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
Value-29.08.0-7.0-16.0-37.0-7.0-35.09.00.027-69.02.06.0-58.0345.0-38.0-5.0-2.09.011-5.0-17.0-2.06.0-14.0-2.0-17.0252.052-5.012-30.09.03.00.02.01.0-5.01.05.0
Percentage of StockholdersEquityOther181.272.7-87.5-228.6284.68.858.3900.00.0-450.036.9-200.0100.0-2900.097.1125.0100.0100.0200.0112.5100.0100.0100.0100.085.7100.0200.0100.0100.0100.0136.8100.0100.0100.0100.0100.0-0.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value14-4.01523240.01.0-5.08.05.010.07.0
Percentage of StockholdersEquityOther-87.5-36.4187.5328.6-184.6-0.0-1.7-500.04.3-83.3-5.3-700.0

gm:AccruedEmployeeBenefitsNoncurrent

gm:AccruedEmployeeBenefitsNoncurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value8188278229077247046586809268961049119213591380
Percentage of AccruedEmployeeBenefitsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:AccruedPayrollAndEmployeeBenefitsCurrent

gm:AccruedPayrollAndEmployeeBenefitsCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value17321091186420111573196922332594306723782144228521441993
Percentage of AccruedPayrollAndEmployeeBenefitsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:BasisDifferenceRelatedtoFairValueChanges us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

gm:BasisDifferenceRelatedtoFairValueChanges

gm:ChinaJvs


Basis
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value409941004100410041004100
Percentage of BasisDifferenceRelatedtoFairValueChanges100.0100.0100.0100.0100.0100.0

gm:BasisDifferencesResultingfromIndefinitelyReinvestedEarnings

gm:BasisDifferencesResultingfromIndefinitelyReinvestedEarnings


Basis
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value320032002900280024002800300026001400
Percentage of BasisDifferencesResultingfromIndefinitelyReinvestedEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:CashAndTimeDeposits us-gaap:BalanceSheetLocation

gm:CashAndTimeDeposits

gm:CashAndCashEquivalentsLineItem


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value825572948010115421320311965682883888816746972547144724884056962
Percentage of CashAndTimeDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:CreditCardDeferredRevenue us-gaap:BalanceSheetLocation

gm:CreditCardDeferredRevenue

gm:AccruedLiabilitiesCurrentandOtherLiabilitiesNoncurrent


Credit
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value252253247283286258
Percentage of CreditCardDeferredRevenue100.0100.0100.0100.0100.0100.0

gm:CreditCardProgramsAvailableRebate

gm:CreditCardProgramsAvailableRebate


Credit
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value13001300140015001900200023002600180023002800
Percentage of CreditCardProgramsAvailableRebate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:DealerAndCustomerAllowancesAndClaimsAndDiscountsCurrent

gm:DealerAndCustomerAllowancesAndClaimsAndDiscountsCurrent


Dealer
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value4359599573007924685510402116118523993480768035791977226820
Percentage of DealerAndCustomerAllowancesAndClaimsAndDiscountsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:DealerCashManagement gm:BusinessGroup, us-gaap:FinancingReceivablePortfolioSegment

gm:DealerCashManagement

gm:GmFinancial, us-gaap:CommercialPortfolioSegment


Dealer
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1100150014001400130012001200120011001100922536
Percentage of DealerCashManagement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:DebtandFinanceLeaseLiabilities gm:BusinessGroup

gm:DebtandFinanceLeaseLiabilities

gm:Automotive


Debtand
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value17318175521746928744349213031114386
Percentage of DebtandFinanceLeaseLiabilities100.0100.0100.0100.0100.0100.0100.0

gm:DeferredTaxAssetsCapitalizedResearchExpenditures us-gaap:StatementGeographical

gm:DeferredTaxAssetsCapitalizedResearchExpenditures

country:US


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value6763603551764413612774138588
Percentage of DeferredTaxAssetsCapitalizedResearchExpenditures100.0100.0100.0100.0100.0100.0100.0

gm:DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards us-gaap:StatementGeographical

gm:DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards

country:US


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value7254868685918578898786237631
Percentage of DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0100.0

us-gaap:NonUs


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value7216673163935103562158266505
Percentage of DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards99.577.574.459.562.567.685.2

gm:DeferredTaxAssetsWarrantiesAllowancesClaimsDiscounts

gm:DeferredTaxAssetsWarrantiesAllowancesClaimsDiscounts


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value5538629963075675810254955512428242774015
Percentage of DeferredTaxAssetsWarrantiesAllowancesClaimsDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:DefinedBenefitPlanAssetsandLiabilitiesNotMeasuredatFairValue us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

gm:DefinedBenefitPlanAssetsandLiabilitiesNotMeasuredatFairValue

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6244906559021138
Percentage of DefinedBenefitPlanAssetsandLiabilitiesNotMeasuredatFairValue100.0100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-21.077-165.0-132.0-131.0
Percentage of DefinedBenefitPlanAssetsandLiabilitiesNotMeasuredatFairValue-3.415.7-25.2-14.6-11.5

gm:DefinedBenefitPlanFairValueofPlanAssetsMeasuredUsingNetAssetValue us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

gm:DefinedBenefitPlanFairValueofPlanAssetsMeasuredUsingNetAssetValue

gm:InvestmentFunds, country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value75347031646566326509
Percentage of DefinedBenefitPlanFairValueofPlanAssetsMeasuredUsingNetAssetValue100.0100.0100.0100.0100.0

gm:InvestmentFunds, us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value58705608508153464428
Percentage of DefinedBenefitPlanFairValueofPlanAssetsMeasuredUsingNetAssetValue77.979.878.680.668.0

gm:PrivateEquityandDebtFunds, country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value31372951302135394012
Percentage of DefinedBenefitPlanFairValueofPlanAssetsMeasuredUsingNetAssetValue41.642.046.753.461.6

gm:PrivateEquityandDebtFunds, us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value489511526570546
Percentage of DefinedBenefitPlanFairValueofPlanAssetsMeasuredUsingNetAssetValue6.57.38.18.68.4

us-gaap:DefinedBenefitPlanRealEstate, country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value306134843504
Percentage of DefinedBenefitPlanFairValueofPlanAssetsMeasuredUsingNetAssetValue40.649.654.2

us-gaap:DefinedBenefitPlanRealEstate, us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value917982980
Percentage of DefinedBenefitPlanFairValueofPlanAssetsMeasuredUsingNetAssetValue12.214.015.2

gm:DefinedBenefitPlanFairValueofPlanAssetsMeasuredUsingNetAssetValue us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

country:US, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1373213466129901352214155
Percentage of DefinedBenefitPlanFairValueofPlanAssetsMeasuredUsingNetAssetValue182.3191.5200.9203.9217.5

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value72767101658770136066
Percentage of DefinedBenefitPlanFairValueofPlanAssetsMeasuredUsingNetAssetValue96.6101.0101.9105.793.2

gm:DerivativeLiabilitiesFairValueAdjustment gm:BusinessGroup, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

gm:DerivativeLiabilitiesFairValueAdjustment

gm:GmFinancial, us-gaap:LongTermDebt, us-gaap:FairValueHedging


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-670.0-713.0-648.0-539.0-77.0-135.0-57.0281459
Percentage of DerivativeLiabilitiesFairValueAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:GmFinancial, us-gaap:ShortTermDebt, us-gaap:FairValueHedging


Derivative
Period End2020-12-312019-12-31
Value-69.04.0
Percentage of DerivativeLiabilitiesFairValueAdjustment10.3-5.2

gm:DerivativeLiabilitiesFairValueAdjustment gm:BusinessGroup, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

gm:GmFinancial, us-gaap:FairValueHedging


Derivative
Period End2020-12-312019-12-31
Value-739.0-77.0
Percentage of DerivativeLiabilitiesFairValueAdjustment110.3100.0

gm:DerivativeLiabilitiesFairValueAdjustmentOnDiscontinuedHedgingRelationships gm:BusinessGroup, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

gm:DerivativeLiabilitiesFairValueAdjustmentOnDiscontinuedHedgingRelationships

gm:GmFinancial, us-gaap:LongTermDebt, us-gaap:FairValueHedging


Derivative
Period End2021-06-302021-03-312020-12-312020-09-30
Value223201200197
Percentage of DerivativeLiabilitiesFairValueAdjustmentOnDiscontinuedHedgingRelationships100.0100.0100.0100.0

gm:DerivativeLiabilitiesFairValueAdjustmentonDiscontinuedHedgingRelationships gm:BusinessGroup, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

gm:DerivativeLiabilitiesFairValueAdjustmentonDiscontinuedHedgingRelationships

gm:GmFinancial, us-gaap:LongTermDebt, us-gaap:FairValueHedging


Derivative
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value200131208228247
Percentage of DerivativeLiabilitiesFairValueAdjustmentonDiscontinuedHedgingRelationships100.0100.0100.0100.0100.0

gm:DerivativeLiabilitiesIncreaseDecreaseInFairValueAdjustment gm:BusinessGroup, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

gm:DerivativeLiabilitiesIncreaseDecreaseInFairValueAdjustment

gm:GmFinancial, us-gaap:LongTermDebt, us-gaap:FairValueHedging


Derivative
Period End2021-06-302021-03-312020-12-31
Value-356000000.0-257000000.0-670000000.0
Percentage of DerivativeLiabilitiesIncreaseDecreaseInFairValueAdjustment100.0100.0100.0

gm:GmFinancial, us-gaap:ShortTermDebt, us-gaap:FairValueHedging


Derivative
Period End2021-06-302021-03-312020-12-31
Value-25000000.0-54000000.0-69000000.0
Percentage of DerivativeLiabilitiesIncreaseDecreaseInFairValueAdjustment7.021.010.3

gm:DerivativeLiabilitiesIncreaseDecreaseInFairValueAdjustment gm:BusinessGroup, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

gm:GmFinancial, us-gaap:FairValueHedging


Derivative
Period End2021-06-302021-03-312020-12-31
Value-381000000.0-311000000.0-739000000.0
Percentage of DerivativeLiabilitiesIncreaseDecreaseInFairValueAdjustment107.0121.0110.3

gm:DerivativeLiabilityDefinedBenefitPlan us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

gm:DerivativeLiabilityDefinedBenefitPlan

gm:EquityOptionsAndFuturesContracts, us-gaap:FairValueInputsLevel1, country:US, us-gaap:PensionPlansDefinedBenefit


Derivative
Period End2020-12-31
Value1000
Percentage of DerivativeLiabilityDefinedBenefitPlan100.0

gm:FinanceLeaseLiabilitiesFairValueDisclosure gm:BusinessGroup

gm:FinanceLeaseLiabilitiesFairValueDisclosure

gm:Automotive


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value335299256383605566516571565487831
Percentage of FinanceLeaseLiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gm:FinancingReceivableOriginatedFiveYearsbeforeLatestFiscalYear gm:BusinessGroup, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment

gm:FinancingReceivableOriginatedFiveYearsbeforeLatestFiscalYear

gm:GmFinancial, gm:FICOScore620to679, us-gaap:ConsumerPortfolioSegment


Financing
Period End2020-09-302020-06-302020-03-31
Value103138178
Percentage of FinancingReceivableOriginatedFiveYearsbeforeLatestFiscalYear100.0100.0100.0

gm:GmFinancial, gm:FICOScoreGreaterthan680, us-gaap:ConsumerPortfolioSegment


Financing
Period End2020-09-302020-06-302020-03-31
Value177253343
Percentage of FinancingReceivableOriginatedFiveYearsbeforeLatestFiscalYear171.8183.3192.7

gm:GmFinancial, gm:FICOScoreLessthan620, us-gaap:ConsumerPortfolioSegment


Financing
Period End2020-09-302020-06-302020-03-31
Value311396486
Percentage of FinancingReceivableOriginatedFiveYearsbeforeLatestFiscalYear301.9287.0273.0

gm:FinancingReceivableOriginatedFiveYearsbeforeLatestFiscalYear gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment

gm:GmFinancial, us-gaap:NonperformingFinancingReceivable, us-gaap:ConsumerPortfolioSegment


Financing
Period End2020-09-302020-06-302020-03-31
Value7898130
Percentage of FinancingReceivableOriginatedFiveYearsbeforeLatestFiscalYear75.771.073.0

gm:FinancingReceivableOriginatedFiveYearsbeforeLatestFiscalYear gm:BusinessGroup, us-gaap:FinancialInstrumentPerformanceStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue

gm:GmFinancial, us-gaap:NonperformingFinancingReceivable, us-gaap:ConsumerPortfolioSegment, gm:FinancingReceivables31to60DaysPastDue


Financing
Period End2020-09-302020-06-302020-03-31
Value536193
Percentage of FinancingReceivableOriginatedFiveYearsbeforeLatestFiscalYear51.544.252.2

gm:GmFinancial, us-gaap:NonperformingFinancingReceivable, us-gaap:ConsumerPortfolioSegment, gm:FinancingReceivablesGreaterthan30DaysPastDue


Financing
Period End2020-09-302020-06-302020-03-31
Value7697129
Percentage of FinancingReceivableOriginatedFiveYearsbeforeLatestFiscalYear73.870.372.5

gm:GmFinancial, us-gaap:NonperformingFinancingReceivable, us-gaap:ConsumerPortfolioSegment, gm:FinancingReceivablesGreaterthan60DaysPastDue


Financing
Period End2020-09-302020-06-302020-03-31
Value233636
Percentage of FinancingReceivableOriginatedFiveYearsbeforeLatestFiscalYear22.326.120.2

gm:GmFinancial, us-gaap:NonperformingFinancingReceivable, us-gaap:ConsumerPortfolioSegment, gm:FinancingReceivablesInRepossession