PCAR


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:DerivativeInstrumentRisk, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents
us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService
us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:CostsAndExpenses

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:Subsegments
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents
us-gaap:ProductOrService
us-gaap:InterestAndFeeIncomeLoansAndLeases

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
us-gaap:DerivativeInstrumentRisk, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents
us-gaap:OtherNonoperatingIncomeExpense
us-gaap:ProductOrService
us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
us-gaap:ProductOrService
us-gaap:ResearchAndDevelopmentExpense
us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:Subsegments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:DerivativeInstrumentRisk, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:ProductOrService, us-gaap:Subsegments
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments, us-gaap:Subsegments

us-gaap:Revenues
us-gaap:ProductOrService
us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:Subsegments
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StatementBusinessSegments
us-gaap:AssetsCurrent
us-gaap:StatementBusinessSegments
us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:MarketableSecuritiesCurrent
us-gaap:FairValueByMeasurementFrequency
us-gaap:StatementBusinessSegments
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:ReceivablesNetCurrent
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:InventoryNet
us-gaap:StatementBusinessSegments
us-gaap:InventoryFinishedGoods
us-gaap:StatementBusinessSegments
us-gaap:InventoryLIFOReserve
us-gaap:StatementBusinessSegments
us-gaap:OtherAssetsCurrent
us-gaap:StatementBusinessSegments
us-gaap:Land
us-gaap:StatementBusinessSegments
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:StatementBusinessSegments
us-gaap:ConstructionInProgressGross
us-gaap:StatementBusinessSegments
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:Goodwill

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:OtherAssetsNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByMeasurementFrequency
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:OtherAssets
us-gaap:StatementBusinessSegments
us-gaap:AccountsPayableCurrent
us-gaap:StatementBusinessSegments
us-gaap:AccruedLiabilitiesCurrent
us-gaap:StatementBusinessSegments
us-gaap:DividendsPayableCurrent
us-gaap:StatementBusinessSegments
us-gaap:LiabilitiesCurrent
us-gaap:StatementBusinessSegments
us-gaap:OperatingLeaseLiabilityCurrent
us-gaap:StatementBusinessSegments
us-gaap:OtherLiabilitiesCurrent
us-gaap:StatementBusinessSegments
us-gaap:OtherLiabilitiesNoncurrent
us-gaap:StatementBusinessSegments
us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
us-gaap:StatementBusinessSegments

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree
us-gaap:StatementBusinessSegments

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour
us-gaap:StatementBusinessSegments

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive
us-gaap:StatementBusinessSegments

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
us-gaap:StatementBusinessSegments

us-gaap:OperatingLeaseLiability
us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

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

us-gaap:ProfitLoss

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividends

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities
us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:ValuationAllowanceByDeferredTaxAsset

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

pcar:DepreciationAndAmortizationEquipmentOnOperatingLeasesAndOther
us-gaap:ProductOrService
pcar:DepreciationOnEquipmentOnOperatingLeaseAndOtherVehicleRelatedExpenseAndOtherExpense
us-gaap:StatementBusinessSegments

pcar:EstimatedTruckSalesReturnedLiabilities
us-gaap:StatementBusinessSegments
pcar:ExtendedProductWarrantyCurrencyTranslation
us-gaap:StatementBusinessSegments
pcar:ExtendedProductWarrantyDeferredRevenues
us-gaap:StatementBusinessSegments
pcar:ExtendedProductWarrantyRevenuesRecognized
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
pcar:FinancingReceivableAllowanceForCreditLossesCurrencyTranslationAndOther
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
pcar:FinancingReceivableModificationsPostModificationAmortizedCostBasis
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
pcar:FinancingReceivableModificationsPreModificationAmortizedCostBasis
us-gaap:StatementBusinessSegments

pcar:IncreaseDecreaseInWholesaleReceivables

pcar:IncreaseDecreaseInWholesaleReceivablesOnUsedEquipment
us-gaap:DerivativeInstrumentRisk, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents
pcar:InterestAndOtherBorrowingExpense
us-gaap:ProductOrService
us-gaap:StatementBusinessSegments

pcar:PaymentToAcquireCommitmentRelatedToLeaseValue

pcar:PaymentToAcquireCommitmentValue

pcar:SalesReturnsLiabilitiesInEstimatedReturns
us-gaap:StatementBusinessSegments
pcar:SalesTypeAndDirectFinancingLeasesLeaseIncome
us-gaap:StatementBusinessSegments
pcar:StandardProductWarrantyAccrualCurrencyTranslationAndOther

pcar:TrucksRightOfReturnLiabilities
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
us-gaap:StatementBusinessSegments
us-gaap:DebtSecuritiesAvailableForSaleRealizedGain
us-gaap:StatementBusinessSegments
us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DepreciationAndAmortization
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:Subsegments
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation, us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents
us-gaap:DividendsCommonStockCash

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:StatementBusinessSegments

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:ImpairedFinancingReceivableInterestIncomeCashBasisMethod
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:InvestmentIncomeNet
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementBusinessSegments
us-gaap:LeaseIncome
us-gaap:ProductOrService, us-gaap:Subsegments
us-gaap:OperatingLeaseLeaseIncome
us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:OperatingLeasesIncomeStatementLeaseRevenue

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsBeforeTaxParent

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTaxParent

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsToAcquireEquipmentOnLease

us-gaap:PaymentsToAcquireFinanceReceivables

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PensionAndOtherPostretirementBenefitContributions
us-gaap:RetirementPlanType
us-gaap:PensionContributions

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromSaleAndCollectionOfFinanceReceivables

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleOfForeclosedAssets

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProvisionForLoanLeaseAndOtherLosses
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:ProductOrService
us-gaap:StatementBusinessSegments

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:StatementBusinessSegments
us-gaap:StandardProductWarrantyAccrualPayments
us-gaap:StatementBusinessSegments
us-gaap:StandardProductWarrantyAccrualPreexistingIncreaseDecrease
us-gaap:StatementBusinessSegments
us-gaap:StandardProductWarrantyAccrualWarrantiesIssued
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment
us-gaap:StatementBusinessSegments
pcar:AccruedLiabilitiesCapitalExpendituresCurrent
us-gaap:StatementBusinessSegments
pcar:CommercialPaperAndBankLoans
us-gaap:StatementBusinessSegments
pcar:CommercialPaperAndTermNotes
us-gaap:StatementBusinessSegments
pcar:CommercialPaperBankLoansAndTermDebtAtCarryingValue

pcar:CumulativeBasisAdjustmentIncludedInCarryingAmount

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeReminderOfFiscalYear

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeThereafter

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearFive

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearFour

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearOne

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearThree

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearTwo
us-gaap:StatementBusinessSegments
pcar:DeferredRevenueLeasesAccumulatedAmortizationThereafter
us-gaap:StatementBusinessSegments
pcar:DeferredRevenueLeasesAccumulatedAmortizationYearFive
us-gaap:StatementBusinessSegments
pcar:DeferredRevenueLeasesAccumulatedAmortizationYearFour
us-gaap:StatementBusinessSegments
pcar:DeferredRevenueLeasesAccumulatedAmortizationYearOne
us-gaap:StatementBusinessSegments
pcar:DeferredRevenueLeasesAccumulatedAmortizationYearThree
us-gaap:StatementBusinessSegments
pcar:DeferredRevenueLeasesAccumulatedAmortizationYearTwo
us-gaap:ProductOrService, us-gaap:Subsegments
pcar:DeferredRevenueRecognizeRemainderOfFiscalYear
us-gaap:ProductOrService, us-gaap:Subsegments
pcar:DeferredRevenueRecognizeThereafter
us-gaap:ProductOrService, us-gaap:Subsegments
pcar:DeferredRevenueRecognizeYearFive
us-gaap:ProductOrService, us-gaap:Subsegments
pcar:DeferredRevenueRecognizeYearFour
us-gaap:ProductOrService, us-gaap:Subsegments
pcar:DeferredRevenueRecognizeYearThree
us-gaap:ProductOrService, us-gaap:Subsegments
pcar:DeferredRevenueRecognizeYearTwo

pcar:DeferredTaxAssetsOperatingLossCarryforwardsAndTaxCreditCarryforwards
us-gaap:StatementBusinessSegments
pcar:DeferredTaxLiabilitiesAndOtherLiabilities

pcar:DeferredTaxLiabilitiesDepreciationAndAmortization

pcar:DeferredTaxLiabilitiesPostretirementBenefitPlans
us-gaap:RetirementPlanType
pcar:DefinedBenefitPlanEstimatedMinimumFundingRequirement
us-gaap:StatementBusinessSegments
pcar:EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:StatementBusinessSegments
pcar:EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossBeforeTax

pcar:EstimatedValueOfTruckAssetsToBeReturned
us-gaap:StatementBusinessSegments
pcar:ExtendedProductWarrantyBeginningBalance
us-gaap:StatementBusinessSegments
pcar:ExtendedProductWarrantyEndingBalance
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
pcar:ImpairedFinancingReceivableNetInvestment
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
pcar:LoansReceivable
us-gaap:StatementBusinessSegments
pcar:LoansReceivableWholesaleFinancingLoans
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
pcar:LoansReceivablesMinimumPaymentsDue
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
pcar:LoansReceivablesMinimumPaymentsDueAfterYearFive
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
pcar:LoansReceivablesMinimumPaymentsDueInYearFive
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
pcar:LoansReceivablesMinimumPaymentsDueInYearFour
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
pcar:LoansReceivablesMinimumPaymentsDueInYearThree
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
pcar:LoansReceivablesMinimumPaymentsDueInYearTwo
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
pcar:LoansReceivablesMinimumPaymentsDueWithInOneYear
us-gaap:StatementBusinessSegments
pcar:MachineryEquipmentAndProductionToolingGross
us-gaap:StatementBusinessSegments
pcar:MarketableDebtSecurities
us-gaap:StatementBusinessSegments
pcar:MarketableSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:StatementBusinessSegments
pcar:MarketableSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:StatementBusinessSegments
pcar:MarketableSecuritiesAtCost
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
pcar:NetCarryingAmountOfImpairedLoans
us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentRisk
pcar:NotionalAmountOfInterestRateDerivativesMaturingInReminderOfFiscalYear
us-gaap:DerivativeInstrumentRisk
pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearFive
us-gaap:DerivativeInstrumentRisk
pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearFour
us-gaap:DerivativeInstrumentRisk
pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearOne
us-gaap:DerivativeInstrumentRisk
pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearSix
us-gaap:DerivativeInstrumentRisk
pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearThree
us-gaap:DerivativeInstrumentRisk
pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearTwo
us-gaap:DerivativeInstrumentRisk
pcar:NotionalAmountOfInterestRateDerivativesMaturingThereafter
us-gaap:StatementBusinessSegments
pcar:ResidualValueGuarantees
us-gaap:StatementBusinessSegments
pcar:ResidualValueGuaranteesAndDeferredRevenues
us-gaap:StatementBusinessSegments
pcar:ResidualValueGuaranteesAndDeferredRevenuesNoncurrent
us-gaap:StatementBusinessSegments
pcar:ResidualValueGuaranteesDueInFiveYears
us-gaap:StatementBusinessSegments
pcar:ResidualValueGuaranteesDueInFourYears
us-gaap:StatementBusinessSegments
pcar:ResidualValueGuaranteesDueInThreeYears
us-gaap:StatementBusinessSegments
pcar:ResidualValueGuaranteesDueInTwoYears
us-gaap:StatementBusinessSegments
pcar:ResidualValueGuaranteesDueThereafter
us-gaap:StatementBusinessSegments
pcar:ResidualValueGuaranteesDueYearOne
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
pcar:SalesTypeAndDirectFinancingLeasesUnearnedInterestOnFinanceLeases
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
pcar:SalesTypeAndDirectFinancingLeasesUnguaranteedResidualAsset

pcar:StandbyLettersOfCreditAndSuretyBonds

pcar:ValueOfReturnedGoodsIncludedInCurrentAssets
us-gaap:StatementBusinessSegments
us-gaap:AccountsPayableAndOtherAccruedLiabilities
us-gaap:StatementBusinessSegments
us-gaap:AccountsPayableAndOtherAccruedLiabilitiesCurrent
us-gaap:StatementBusinessSegments
us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:StatementBusinessSegments
us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:StatementBusinessSegments
us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
us-gaap:StatementBusinessSegments
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
us-gaap:StatementBusinessSegments
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
us-gaap:StatementBusinessSegments
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
us-gaap:StatementBusinessSegments
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
us-gaap:StatementBusinessSegments
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
us-gaap:StatementBusinessSegments
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
us-gaap:StatementBusinessSegments
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:BuildingsAndImprovementsGross
us-gaap:ProductOrService
us-gaap:CashCashEquivalentsAndShortTermInvestments

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
us-gaap:StatementBusinessSegments
us-gaap:CommercialPaper

us-gaap:ContractWithCustomerLiability
us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:Subsegments

us-gaap:ContractWithCustomerRefundLiabilityCurrent
us-gaap:StatementBusinessSegments
us-gaap:Subsegments

us-gaap:ContractualObligationDueInFourthYear

us-gaap:ContractualObligationDueInNextTwelveMonths

us-gaap:ContractualObligationDueInSecondYear

us-gaap:ContractualObligationDueInThirdYear
dei:LegalEntity, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentCarryingAmount
dei:LegalEntity, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:LongtermDebtType, us-gaap:StatementBusinessSegments
us-gaap:ShortTermDebtType, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:DebtLongtermAndShorttermCombinedAmount
us-gaap:LongtermDebtType, us-gaap:StatementBusinessSegments
us-gaap:ShortTermDebtType, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
us-gaap:StatementBusinessSegments
us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:StatementBusinessSegments
us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DeferredGainLossOnDiscontinuationOfFairValueHedge
us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments
us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities
us-gaap:StatementBusinessSegments
us-gaap:DeferredRevenueLeasesNet

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:Range, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementBusinessSegments
us-gaap:DerivativeAssetFairValueGrossLiability
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeAssetNotionalAmount

us-gaap:DerivativeAssets

us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:HedgingDesignation

us-gaap:DerivativeLiabilities
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementBusinessSegments
us-gaap:DerivativeLiabilityFairValueGrossAsset
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:StatementBusinessSegments
us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:StatementBusinessSegments
us-gaap:EquitySecuritiesFvNiCost

us-gaap:FinanceLeaseLiability
us-gaap:StatementBusinessSegments
us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset
us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:Subsegments
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
us-gaap:ProductOrService, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment
us-gaap:ProductOrService, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment
us-gaap:ProductOrService, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:FinancingReceivableModificationsRecordedInvestment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:FinancingReceivableRecordedInvestmentCurrent
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:FinancingReceivableRecordedInvestmentPastDue
us-gaap:FinancingReceivablesPeriodPastDue, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:FinancingReceivableRevolving
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:StatementBusinessSegments

us-gaap:HedgedLiabilityFairValueHedge
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:ImpairedFinancingReceivableRelatedAllowance
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxExaminationPenaltiesAndInterestAccrued

us-gaap:InterestReceivable
us-gaap:StatementBusinessSegments
us-gaap:InventoryGross
us-gaap:StatementBusinessSegments
us-gaap:InventoryWorkInProcessAndRawMaterials

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:StatementBusinessSegments

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:StatementBusinessSegments
us-gaap:LoansAndLeasesReceivableAllowance
us-gaap:StatementBusinessSegments
us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome
us-gaap:StatementBusinessSegments
us-gaap:LoansAndLeasesReceivableNetReportedAmount
us-gaap:StatementBusinessSegments
us-gaap:LoansReceivableFairValueDisclosure
us-gaap:StatementBusinessSegments
us-gaap:LoansReceivableWithFixedRatesOfInterest1
us-gaap:StatementBusinessSegments
us-gaap:LongTermDebtFairValue
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:LongtermDebtType, us-gaap:StatementBusinessSegments
us-gaap:ShortTermDebtType, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:LongtermDebtType, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:LongtermDebtType, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:LongtermDebtType, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:LongtermDebtType, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:LongtermDebtPercentageBearingFixedInterestAmount
us-gaap:StatementBusinessSegments
us-gaap:NotesPayable
us-gaap:StatementBusinessSegments
us-gaap:NotesPayableToBank
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:NotesReceivableGross
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:StatementBusinessSegments

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority

us-gaap:OtherForeclosedAssets
us-gaap:StatementBusinessSegments
us-gaap:OtherReceivables

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
us-gaap:StatementBusinessSegments
us-gaap:PercentageOfLIFOInventory
us-gaap:StatementBusinessSegments
us-gaap:ProductWarrantyAccrualClassifiedCurrent
us-gaap:StatementBusinessSegments
us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation
us-gaap:StatementBusinessSegments
us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross

us-gaap:PropertySubjectToOrAvailableForOperatingLeaseNet
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivable
us-gaap:StatementBusinessSegments
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:Range, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:StandardProductWarrantyAccrual
us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:TreasuryStockShares

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnusedCommitmentsToExtendCredit

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Allocated Share Based Compensation Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Derivative Assets
NonCurrent Assets
Operating Lease Right Of Use Asset
Liabilities
Operating Lease Liability
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Treasury Stock Shares
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount

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 ▁▁▁▁▁▁▁▁▁▁▁▃▃▃▃▃▃▃▃▃▃▃▃▄▄▄▄▄▄▄▄▄▄▄▄▅▅▅▅████347.2347.2346.6347.0346.5346.4346.3347.4347.2347.0346.6352.2352.2352.1351.8351.5351.3351.3350.7351.7351.6351.5351.3355.0354.9354.7355.2354.8354.7354.7354.3354.1353.8353.7353.4357.2357.1357.1356.8365.5365.5365.4365.3NANANA
us-gaap:CommonStockSharesIssued ▁▁▁▁▁▁▁▁▁▁▁▃▃▃▃▃▃▃▃▃▃▃▃▄▄▄▄▄▄▄▄▄▄▄▄▅▅▅▅████347.2347.2346.6347.0346.5346.4346.3347.4347.2347.0346.6352.2352.2352.1351.8351.5351.3351.3350.7351.7351.6351.5351.3355.0354.9354.7355.2354.8354.7354.7354.3354.1353.8353.7353.4357.2357.1357.1356.8365.5365.5365.4365.3NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁348.5348.4NA347.6346.8347.3NA347.20.00034770.0003478NA351.5352.5353.5NA352.9352.7352.7NA351.8351.6351.3NA355.9356.3356.1NA356.3356.3356.0NA355.4355.0354.8NA354.3356.8357.8NA364.2367.2367.2NA366.1366.0365.7
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁347.8347.6NA346.8346.4346.9NA346.60.0003470.0003472NA350.7351.7352.5NA351.9351.8351.6NA351.0350.9351.3NA355.0355.3355.1NA355.2355.1354.9NA354.4354.1354.0NA353.7356.0357.0NA363.3365.9365.8NA364.9364.9364.6
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█0.5510.583NA0.64651.91221.9112NA1.84221.86772.0374NA1.17421.17511.1731NA0.59940.61680.6489NA1.09961.93432.8787NA1.13910.55111.1789NA0.6550.65580.6562NA0.7830.82882.3843NA2.4972.5382.5719NA1.6970.6710.8295NA2.1512.1421.8464
us-gaap:EarningsPerShareBasic ▇▇▇▇▅▆▇████▇█▇█▇▆▆▆▆▇▁▆▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅1.421.351.171.110.431.041.531.751.791.811.661.551.591.451.671.141.060.880.820.991.37-1.690.981.211.261.071.10999999999999991.050.90.770.95000000000000020.870.820.670.71999999999999980.660.830.920.91000000000000010.780.660.530.459999999999999960.330.270.19
us-gaap:EarningsPerShareDiluted ▇▇▇▇▅▆▇████▇█▇█▇▆▆▆▆▇▁▆▇▇▆▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅1.411.351.171.110.431.031.531.751.781.811.651.551.591.451.671.141.060.880.820.981.37-1.690.981.211.261.061.10999999999999991.040.90.770.940.870.820.670.710.660.830.910.90999999999999990.770.650.530.459999999999999960.330.270.19
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 COGS Ratio us-gaap:ProductOrService pcar:TruckPartsAndOther▆▆▆▅▁▅▇▇██▇▆▆▆▆▅▄5387.65413.55136.04538.42701.94778.05710.96004.26266.56138.15932.75416.95467.25321.85122.44731.54397.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 COGS Ratio us-gaap:StatementBusinessSegments pcar:TruckPartsAndOtherNANA5136.04538.42701.94778.05710.96004.26266.56138.15932.75416.95467.25321.85122.44731.54397.93935.73767.03953.24115.84010.64062.54546.24786.14548.04817.14622.54267.04086.24299.44006.64011.73631.23699.23546.74191.14514.7NANANANANANANANA
 Cost Ratio us-gaap:ProductOrService pcar:FinancialServices█▇▇▅▄▅▆▄▄▃▃▃▂▂▂▂▁456.3432.0432.6397.6360.3383.7406.3362.8361.4349.5347.0339.9338.0332.2332.2328.2306.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ProductOrService pcar:TruckPartsAndOther▆▆▆▅▁▅▇▇██▇▆▆▆▆▅▄5387.65413.55136.04538.42701.94778.05710.96004.26266.56138.15932.75416.95467.25321.85122.44731.54397.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ProductOrService pcar:FinancialServices█▇▇▅▄▅▆▄▄▃▃▃▂▂▂▂▁456.3432.0432.6397.6360.3383.7406.3362.8361.4349.5347.0339.9338.0332.2332.2328.2306.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ProductOrService pcar:TruckPartsAndOther▆▆▆▅▁▅▇▇██▇▆▆▆▆▅▄5387.65413.55136.04538.42701.94778.05710.96004.26266.56138.15932.75416.95467.25321.85122.44731.54397.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ProductOrService,us-gaap:Subsegments pcar:TruckPartsAndOther,pcar:AllOtherSubsegments▅▂▁▂▂▃▅▅▇▅▅▆█▇▃▅▃24.119.816.818.219.821.824.125.929.226.125.027.431.428.921.524.121.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ProductOrService,us-gaap:Subsegments pcar:TruckPartsAndOther,pcar:PartsSubsegment█▇▆▄▁▄▄▄▅▄▄▃▄▃▂▁▁1211.31160.71074.41016.2823.7998.6993.91000.91025.41004.7970.9960.1968.0939.9877.2840.0823.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ProductOrService,us-gaap:Subsegments pcar:TruckPartsAndOther,pcar:TruckSubsegment▆▆▆▄▁▅▇███▇▆▆▆▆▅▅4152.24233.04044.83504.01858.43757.64692.94977.45211.95107.34936.84429.44467.84353.04223.73867.43553.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ProductOrService pcar:FinancialServices█▇▇▅▄▅▆▄▄▃▃▃▂▂▂▂▁456.3432.0432.6397.6360.3383.7406.3362.8361.4349.5347.0339.9338.0332.2332.2328.2306.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ProductOrService pcar:TruckPartsAndOther▆▆▆▅▁▅▇▇██▇▆▆▆▆▅▄5387.65413.55136.04538.42701.94778.05710.96004.26266.56138.15932.75416.95467.25321.85122.44731.54397.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AllocatedShareBasedCompensationExpense ▂▆▂▂▂▅▂▁▂█▂▂▁▆▁▁▁▆▁▁▁▇▂▂▂▇▃▂▂▇▂▂▂▅▂▂▂▅▂▂▁▆▂▂▂▁2.66.82.52.32.55.72.32.02.18.72.12.12.07.01.81.91.97.12.02.01.97.22.32.22.37.83.32.52.97.52.82.72.75.82.92.62.55.92.72.61.57.02.42.32.21.6
us-gaap:ComprehensiveIncomeNetOfTax █▆▇▇▅▄█▇██▆▇▆██▇▇▆▄▆▇▁▆▆▇▄▄▅▆▆▇▇▅▅▆▆▅▇▅▄▆▆▅▆▃▄579.7404.0544.5486.4241.775.6621.2480.1653.0632.0407.8544.0384.2587.4611.8511.7505.8380.487.4346.6443.4-466.8288.4282.6554.940.913.1109.3368.7279.2534.0428.2220.7156.6254.6308.9185.2422.4139.711.2305.6325.5172.7349.2-73.214.0
 us-gaap:CostOfGoodsAndServicesSold us-gaap:DerivativeInstrumentRisk,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementBusinessSegments,us-gaap:StatementEquityComponents us-gaap:ForeignExchangeContract,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,pcar:TruckPartsAndOther,us-gaap:AccumulatedGainLossNetCashFlowHedgeParent▆▅▄▅▂▂▃▃▂▁▂▂▁▂▃█▂3.72.31.52.5-1.1-1.2-0.1-0.3-1.6-2.1-1.4-1.6-2.5-1.1-0.45.5-1.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService pcar:TruckPartsAndOther▆▆▆▅▁▅▇▇██▇▆▆▆▆▅▄4662.74690.74487.03958.32441.54189.64890.05106.85341.75217.15088.64653.64647.34535.54418.44055.63764.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:StatementBusinessSegments pcar:TruckPartsAndOtherNANA4487.03958.32441.54189.64890.05106.85341.75217.15088.64653.64647.34535.54409.54046.83755.23382.23243.23371.53489.43413.63469.43851.34061.23910.24160.44006.33719.43595.53725.73491.13494.63189.33247.43108.53632.53919.9NANANANANANANANA
 us-gaap:CostsAndExpenses us-gaap:ProductOrService pcar:FinancialServices▇▇█▇▄▆▆▄▃▂▂▂▂▂▂▂▁349.8355.6368.8342.1304.8335.4338.2296.3281.1265.5259.8261.1265.6264.7260.3257.6243.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostsAndExpenses us-gaap:ProductOrService pcar:TruckPartsAndOther▆▆▆▅▁▅▇▇██▇▆▆▆▆▅▄4862.14887.54683.74110.42582.44378.95111.35314.25554.25422.05287.44843.34834.64729.94599.54229.33930.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▇▇▆▆▄▆▇████▇▇▇▇▇▆▆▆▆▇▁▆▇▇▇▇▇▆637.0607.3521.8489.9184.0462.2687.8777.6814.4819.4752.4668.8719.6669.4604.3581.8539.0448.2418.9494.9646.2-429.6498.7624.5652.2561.7577.7552.4481.0NANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▆▆▅▄▂▄▆▇█▇▇▅▆▆▁▇▇▆▅▆▇▇▆██▇▇▇▆▅▆▅▆▄▄▅▆▆▆▅▅▄▃▃▂▁144.1137.2116.0104.436.3102.8156.5169.7194.7190.4174.3123.5160.0157.315.1179.1166.0137.9130.1148.7164.9165.0151.5193.3205.0183.3183.4181.0161.8132.6150.7130.6141.3101.1104.7111.8149.1151.7145.0113.1113.593.069.156.949.027.7
 us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:ProductOrService pcar:FinancialServices▅▅▅▅▄▇███▆▅▅▄▃▂▂▁132.4129.9131.4127.7126.2142.1149.8148.3147.8137.1132.4128.0121.6115.7113.5111.2104.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▇▇▇▇▅▆▇██████▇█▇▇▆▆▆▇▁▆▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅492.9470.1405.8385.5147.7359.4531.3607.9619.7629.0578.1545.3559.6512.1589.2402.7373.0310.3288.8346.2481.3-594.6347.2431.2447.2378.4394.3371.4319.2273.9334.2309.4291.6236.1253.5233.6297.2327.3327.7281.6239.7193.3169.8119.999.668.3
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▆▄█▆▆▁▇▄▅▅▄▅▃▆▅▆▇▆▃▅▄▇▄▃▆▁▃▂▆▅▅▆▄▄▆▆▄81.1-89.1250.7112.699.4-347.1141.8-126.522.59.4-92.8-1.6-196.777.8-17.2108.1126.175.0-148.5-6.9-57.2125.5-74.4-163.4106.9-352.9-191.4-278.047.7-1.1-15.1120.4-82.6-96.036.573.9-118.6NANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▇▅█▇▇▁▇▄▆▆▃▆▃▇▆██▇86.8-66.1138.7100.994.0-283.889.9-127.833.33.0-170.3-1.3-175.475.322.6109.0132.870.1NANANA127.8-58.8-148.6107.7-337.5-381.2-262.149.55.3199.8118.8-70.9-79.51.175.3-112.095.1-188.0-270.465.9NANANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ProductOrService pcar:TruckPartsAndOther▇▄▂▄█▄▃▃▂▃▇▁▆█▃▂▄17.213.28.513.019.513.110.311.69.810.318.37.416.418.710.79.811.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:StatementBusinessSegments,us-gaap:StatementEquityComponents pcar:TruckPartsAndOther,pcar:AccumulatedDefinedBenefitPlansAdjustmentNetSettlementLossNANA-3.1-0.5-1.0-7.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▆▆▅▄▁▄▇███▇▇▇▆492.9470.1405.8385.5147.7359.4531.3607.9619.7629.0578.1545.3559.6512.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ResearchAndDevelopmentExpense us-gaap:ProductOrService pcar:TruckPartsAndOther█▆▃▁▂▃█▇▇▆▇▄▅▅▃▂▁84.480.171.764.766.571.083.682.282.578.380.572.976.776.070.667.066.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ResearchAndDevelopmentExpense us-gaap:StatementBusinessSegments pcar:TruckPartsAndOtherNANA71.764.766.571.083.682.282.578.380.572.976.776.070.667.066.161.067.659.260.859.666.757.659.356.262.550.549.952.760.956.661.872.166.466.873.872.3NANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:Subsegments us-gaap:OperatingSegments,pcar:TruckPartsAndOther,pcar:PartsSubsegment█▇▆▄▁▄▄▄▅▄▄▄▄▃▂▁▁1226.41176.21088.01029.4834.61010.71006.51012.81037.81016.0984.8974.8983.1953.5891.5854.4835.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:Subsegments us-gaap:OperatingSegments,pcar:TruckPartsAndOther,pcar:TruckSubsegment▆▆▆▅▁▅▇███▇▇▇▆▆▅▅4295.24399.24173.13675.81930.93863.24765.05102.65309.35226.64970.64677.84678.64536.14411.94065.63768.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService pcar:TruckPartsAndOther▆▆▆▅▁▅▇▇██▇▆▆▆▆▅▄5387.65413.55136.04538.42701.94778.05710.96004.26266.56138.15932.75416.95467.25321.85122.44731.54397.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments pcar:DealerServicesAndOther,pcar:TruckPartsAndOther,pcar:PartsSubsegment██▃▄▁▄▃▃▄▃▃▃▂▃35.234.827.729.024.328.627.827.729.228.126.826.925.527.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments pcar:Parts,pcar:TruckPartsAndOther,pcar:PartsSubsegment█▇▆▄▁▄▄▄▅▄▄▃▄▃1176.11125.91046.7987.2799.4970.0966.1973.2996.2976.6944.1933.2942.5912.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments pcar:TruckSales,pcar:TruckPartsAndOther,pcar:TruckSubsegment▆▆▆▄▁▅▇███▇▆▆▆3950.44045.03851.23324.01708.13583.64510.64784.65016.44913.64745.14253.64274.74174.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments pcar:WarrantiesServiceContractsOperatingLeasesAndOther,pcar:TruckPartsAndOther,pcar:TruckSubsegment█▆▇▅▁▄▅▇▇▇▇▄▇▅201.8188.0193.6180.0150.3174.0182.3192.8195.5193.7191.7175.8193.1178.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:Subsegments pcar:TruckPartsAndOther,pcar:AllOtherSubsegments▅▂▁▂▂▃▅▅▇▅▅▆█▇▃▅▃24.119.816.818.219.821.824.125.929.226.125.027.431.428.921.524.121.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:Subsegments pcar:TruckPartsAndOther,pcar:PartsSubsegment█▇▆▄▁▄▄▄▅▄▄▃▄▃▂▁▁1211.31160.71074.41016.2823.7998.6993.91000.91025.41004.7970.9960.1968.0939.9877.2840.0823.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:Subsegments pcar:TruckPartsAndOther,pcar:TruckSubsegment▆▆▆▄▁▅▇███▇▆▆▆▆▅▅4152.24233.04044.83504.01858.43757.64692.94977.45211.95107.34936.84429.44467.84353.04223.73867.43553.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther▆▆▆▅▁▅▇▇██▇▆▆▆▆▅▄▃▃▃▄▄▄▅▅▅▅▅▄▄▄▄▄▃▃▃▄▅5387.65413.55136.04538.42701.94778.05710.96004.26266.56138.15932.75416.95467.25321.85122.44731.54397.93935.73767.03953.24115.84010.64062.54546.24786.14548.04817.14622.54267.04086.24299.44006.64011.73631.23699.23546.74191.14514.7NANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments,us-gaap:Subsegments pcar:TruckPartsAndOther,pcar:PartsSubsegment█▇▆▅▂▅▅▅▅▅▄▄▄▄▃▂▂▁▁▁▁1211.31160.71074.41016.2823.7998.6993.91000.91025.41004.7970.9960.1968.0939.9877.2840.0823.1786.7765.0764.8756.4NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments,us-gaap:Subsegments pcar:TruckPartsAndOther,pcar:TruckSubsegment▆▆▆▄▁▅▇███▇▆▆▆▆▅▅▄▃▄▄4152.24233.04044.83504.01858.43757.64692.94977.45211.95107.34936.84429.44467.84353.04223.73867.43553.63130.12984.93170.73341.2NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments,us-gaap:Subsegments pcar:TruckPartsAndOther,pcar:WinchSalesAndOther▅▂▁▂▂▃▅▅▇▅▅▆█▇24.119.816.818.219.821.824.125.929.226.125.027.431.428.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues ▇▇▆▅▂▆▇███▇▇▇▆▆▆▅▄▄▄▄▄▄▅▆▅▆▅▅▄▅▄▄▄▄▄▅▅▅▄▄▃▂▁▁▁5843.95845.55568.64936.03062.25161.76117.26367.06627.96487.66279.75756.85805.25654.05454.65059.74704.24237.94070.74249.44413.24300.04355.34847.25079.94832.75119.14928.44569.64379.94598.94300.14300.53924.33997.03820.24457.24776.14853.84257.13960.73283.63055.62542.52464.12230.7
 us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ProductOrService pcar:FinancialServices▅▅▅▅▁▆██▆▆▃▃▄▅▁▃▁32.231.232.031.326.332.635.235.833.532.529.629.329.831.126.828.426.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ProductOrService pcar:TruckPartsAndOther▆▆▆▂▁▆█▇▇▇▇▅▅▇▅▄▃132.2129.9133.5100.493.9131.4148.0136.8139.8136.9136.6124.2127.0137.1121.2116.5111.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ███▇▇▇█▇▇▇▆▆▆▆▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▁▁29012.228503.428260.027233.726406.427294.728361.127767.727168.226157.025482.425103.424155.823781.723440.223103.922053.321039.720638.920968.921427.221356.921109.821519.821415.320326.820618.821026.120907.420597.620725.520311.619202.018834.118627.818692.518244.818157.817172.716354.316301.015133.714234.1NANANA
 us-gaap:Liabilities us-gaap:StatementBusinessSegments pcar:FinancialServices▇▇█▇▇███▇▇▆▆▅▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▃▃▃▂▁▁11947.011962.312268.911778.011660.112500.812641.912247.211975.911458.711178.610812.610406.910373.110119.310283.69954.79687.39805.19836.89727.19830.49837.59925.69877.99482.89524.39509.79597.49516.59639.29419.88938.88907.28979.68748.78473.28184.87811.67060.96684.0NA6092.2NANANA
 us-gaap:Liabilities us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther█▇▇▆▅▅█▇▇▇▇▅▅▄▆▄▄▂▂▂▅▅▃▂▃▂▃▃▂▂▃▃▂▂▁5881.45823.45601.15271.34969.55156.56013.15557.85556.95592.85710.95119.84969.54841.35270.44884.74598.14273.14056.24153.94990.45183.34331.94250.44318.84112.44341.34353.74150.74217.64452.04410.94151.63979.03801.3NANANA3996.7NANANANANANANA
us-gaap:LiabilitiesAndStockholdersEquity ███▇▇▇█▇▇▇▆▆▆▆▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▁▁29012.228503.428260.027233.726406.427294.728361.127767.727168.226157.025482.425103.424155.823781.723440.223103.922053.321039.720638.920968.921427.221356.921109.821519.821415.320326.820618.821026.120907.420597.620725.520311.619202.018834.118627.818692.518244.818157.817172.716354.316301.015133.714234.1NANANA
us-gaap:StockholdersEquity █▇▇▇▆▆▆▇▆▆▅▆▅▅▄▄▄▃▃▃▃▂▃▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▂▁▁11183.810717.710390.010184.49776.89637.49706.19962.79635.49105.58592.99171.08779.48567.38050.57935.67500.57079.36777.66978.26709.76343.26940.47343.87218.66731.66753.27162.77159.36863.56634.36480.96111.65947.95846.95862.15712.15719.15364.45593.95914.05648.95357.8NANANA
  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 us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther█▇▆▆▅▆▇▇▆▆▅▅▅▄▄▄▃▂▂▂▃▃▂▃▃▂▂▃▂▂▂▂▁▁▁8780.58338.67769.07443.97044.17405.18016.78051.97632.77225.27163.47069.76743.16405.76082.65980.55440.95036.44738.24869.55538.05392.65299.25817.45754.75225.55200.45470.45142.44918.95066.55188.94719.64639.64412.1NANANA4838.0NANANANANANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:StatementBusinessSegments pcar:FinancialServices▄▃▆▅▄▃█▆▇▄▇▅▃▂▄▄▅▂▆▂▃▃▃▂▃▂▂▄▂▂▃▂▄▁▂▂▁▃▅▂▂101.190.0134.6125.4107.992.0167.8134.3155.5109.5156.7122.095.378.6109.9108.0119.776.1134.065.694.082.386.574.285.477.472.5108.475.578.792.480.0100.959.369.265.557.291.1116.165.672.2NA58.8NANANA
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther▅▆▆▆▆▆█▇▆▅▆▅▄▄▄▄▂▂▂▂▃▂▃▃▃▂▂▂▁▁▂▂▁▁▁2968.73230.03405.03218.93020.13231.14007.33535.23063.92733.13279.22792.02411.52425.52254.82205.31760.11688.31781.71722.31970.91765.01929.92051.91877.71487.31665.11540.01304.81211.21657.71630.41341.01202.11203.2NANANA1990.6NANANANANANANA
 us-gaap:MarketableSecuritiesCurrent us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel1,us-gaap:FairValueMeasurementsRecurring85.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:MarketableSecuritiesCurrent us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel2,us-gaap:FairValueMeasurementsRecurring1348.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:MarketableSecuritiesCurrent us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueMeasurementsRecurring1434.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:MarketableSecuritiesCurrent us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther1434.6NA1429.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ReceivablesNetCurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType pcar:OtherReceivablesNANA254.8NANANA251.1NANANA210.8NANANA165.9NANANA127.6NANANA139.8NANANA165.0NANANA172.0NANANA134.1NANANA142.4NANANANANANANA
 us-gaap:ReceivablesNetCurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType us-gaap:TradeAccountsReceivableNANA942.7NANANA1055.0NANANA1103.6NANANA962.0NANANA734.6NANANA739.2NANANA882.2NANANA847.6NANANA768.0NANANA835.4NANANANANANANA
 us-gaap:ReceivablesNetCurrent us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther▆▇▄▅▄▄▅███▅▇▆▆▃▅▄▃▁▂▃▃▁▃▄▅▂▅▄▄▂▃▂▃▁1525.71649.91197.51364.71248.31277.01306.11729.01711.21736.21314.41608.61546.91468.81127.91323.81281.01145.6862.21025.91070.21066.1879.01118.01228.11304.51047.11313.41232.21186.91019.61093.41015.01096.0902.1NANANA977.8NANANANANANANA
 us-gaap:InventoryNet us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther█▅▄▃▃▄▃▄▄▄▃▄▄▃▂▂▂▁▁▂▂▂▁▂▂▂▂▂▂▂▁▂▂▁▁2054.61465.41221.91124.51136.41270.11153.21292.61336.61272.61184.71292.01258.51068.3928.4983.0885.3772.2727.8824.1824.9829.1796.5893.1888.2865.7925.7988.1969.1958.0813.6893.1832.0818.2782.4NANANA710.4NANANANANANANA
 us-gaap:InventoryFinishedGoods us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther▇▇▆▇▇█▆▇▇▇▅▇▆▆▄▅▄▂▂▃▃▃▁▃▂▃▃▆▅▆▁▂▂▁▁646.4623.2610.0627.6638.7665.9584.6629.7646.7641.8563.2637.6590.6602.5515.7574.1518.0465.7452.3488.5505.5513.9443.6513.4478.1504.0512.3589.0580.9592.2440.6480.6460.4446.3432.0NANANA436.2NANANANANANANA
 us-gaap:InventoryLIFOReserve us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther█▇▇▆▆▆▆▆▅▅▅▄▃▃▂▂▂▁▁▂▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁194.4191.0190.0188.6187.3186.7186.3185.8184.7183.8181.8179.8178.1175.3173.5172.7172.0170.4169.2173.0175.6175.9176.0174.6175.0174.9174.3173.3172.9172.8172.2170.9170.3170.2169.4NANANA165.4NANANANANANANA
 us-gaap:OtherAssetsCurrent us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther█▅▅▅▄▅▃▃▃▃▃▃▄▃▃▁▂▁▁▁▁▂▁▃▃▂▂▂▂▂▂▃▃▃▂796.9572.2515.6541.5492.1529.9388.0387.3403.7401.7364.7376.8492.9396.6404.4252.4269.9223.9225.6218.3245.7266.3245.7355.6363.4340.8290.5308.3301.3312.4308.1370.9349.8345.6331.7NANANA249.1NANANANANANANA
 us-gaap:Land us-gaap:StatementBusinessSegments pcar:TruckPartsAndOtherNANA286.4NANANA271.8NANANA265.4NANANA263.3NANANA221.2NANANA222.1NANANA239.0NANANA238.5NANANA231.0NANANA211.6NANANANANANANA
  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:PropertyPlantAndEquipmentGross us-gaap:StatementBusinessSegments pcar:TruckPartsAndOtherNANA7077.3NANANA6393.9NANANA5787.7NANANA5614.3NANANA4993.3NANANA4769.3NANANA4814.3NANANA4930.4NANANA4537.6NANANA4090.4NANANANANANANA
 us-gaap:ConstructionInProgressGross us-gaap:StatementBusinessSegments pcar:TruckPartsAndOtherNANA1081.8NANANA741.7NANANA308.8NANANA253.8NANANA352.8NANANA248.4NANANA175.8NANANA321.2NANANA667.9NANANA552.2NANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:StatementBusinessSegments pcar:TruckPartsAndOtherNANA3806.9NANANA3510.1NANANA3306.8NANANA3149.9NANANA2733.3NANANA2592.9NANANA2501.0NANANA2417.1NANANA2224.7NANANA2117.1NANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet NANA3270.4NANANA2883.8NANANA2480.9NANANA2464.4NANANA2260.0NANANA2176.4NANANA2313.3NANANA2513.3NANANA2312.9NANANA1973.3NANANA1673.7NANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther███▇▆▆▅▄▄▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▂▂▃▃▃▃▂▂▂3318.53242.53270.43137.83025.02925.32883.82690.82624.42521.52480.92443.62397.42454.72464.42389.12325.62270.42260.02251.32210.52207.72176.42140.72162.42157.02313.32383.62499.82508.62513.32460.92390.32333.42312.9NANANA1973.3NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical country:BENANA596.2NANANA395.7NANANA237.4NANANA259.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical country:NLNANA499.0NANANA399.8NANANA397.8NANANA464.5NANANA406.7NANANA438.7NANANA517.4NANANA620.0NANANA529.7NANANA467.1NANANA381.6NANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical country:USNANA1633.0NANANA1556.4NANANA1353.8NANANA1238.1NANANA1187.0NANANA1140.5NANANA1132.0NANANA1183.1NANANA1182.5NANANA1059.1NANANA846.4NANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical pcar:OtherCountriesNANA542.2NANANA531.9NANANA729.3NANANA761.8NANANA666.3NANANA597.2NANANA663.9NANANA710.2NANANA600.7NANANA447.1NANANA445.7NANANA
us-gaap:Goodwill NANA118.8NANANA109.1NANANA112.0NANANA117.4NANANA103.0NANANA105.6NANANA128.6NANANA144.6NANANA139.4NANANA136.7NANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset NANA39.9NANANA36.939.742.042.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BalanceSheetLocation,us-gaap:StatementBusinessSegments us-gaap:OtherAssets,pcar:FinancialServicesNANA9.0NANANA5.25.35.65.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BalanceSheetLocation,us-gaap:StatementBusinessSegments us-gaap:OtherNoncurrentAssets,pcar:TruckPartsAndOtherNANA30.9NANANA31.734.436.437.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherAssetsNoncurrent us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther███▇▆▆▆▆▆▆▅▅▅▅▃▃▂▂▃▃▂▂▂▁▁▁▁▃▃▃▃▁▁▁▁992.31016.2998.9922.2818.0815.2843.7810.5801.0744.2651.9723.5673.4685.8425.2423.8397.1393.6432.0414.9412.6393.1387.4251.0274.3255.8253.3466.6519.9518.4477.3273.1261.0284.9249.4NANANA280.9NANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel1,us-gaap:FairValueMeasurementsRecurring5.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueMeasurementsRecurring5.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther5.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 us-gaap:StatementBusinessSegments pcar:TruckPartsAndOtherNANA1176.2NANANA1115.7NANANA1304.9NANANA1154.7NANANA938.6NANANA929.7NANANA1167.6NANANA975.8NANANA838.0NANANA1098.9NANANANANANANA
 us-gaap:AccruedLiabilitiesCurrent us-gaap:StatementBusinessSegments pcar:TruckPartsAndOtherNANA446.5NANANA693.4NANANA626.5NANANA401.4NANANA233.1NANANA231.4NANANA213.5NANANA264.1NANANA261.7NANANA209.9NANANANANANANA
 us-gaap:DividendsPayableCurrent us-gaap:StatementBusinessSegments pcar:TruckPartsAndOtherNANA242.6NANANA796.5NANANA695.10.00.0NA422.10.00.00.0210.40.00.0NA492.6NANANA354.4NANANA318.8NANANANANANANANANANANANANANANA
 us-gaap:LiabilitiesCurrent us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther██▇▆▅▅█▆▆▆▇▅▄▄▄▃▂▂▁▁▅▅▂▂▃▂▃▃▂▂▃▃▂▂▁4059.93961.93656.53399.33136.43220.83990.73539.83467.63507.43722.83234.13096.03016.82991.62760.12554.92388.62244.52295.93174.23333.92564.32520.52647.22501.02651.62598.12340.52411.42623.82668.72572.72454.42168.3NANANA2627.7NANANANANANANA
 us-gaap:OperatingLeaseLiabilityCurrent us-gaap:StatementBusinessSegments pcar:TruckPartsAndOtherNANA11.4NANANA13.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherLiabilitiesCurrent us-gaap:StatementBusinessSegments pcar:TruckPartsAndOtherNANA389.7NANANA334.9NANANA283.1NANANA282.3NANANA212.2NANANA243.6NANANA272.0NANANA259.6NANANA256.9NANANA315.3NANANANANANANA
  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:OtherLiabilitiesNoncurrent us-gaap:StatementBusinessSegments pcar:TruckPartsAndOther███▇▇▇█▇▇▆▅▅▅▅▄▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁1437.31458.61487.21384.11327.11392.81435.11372.01336.31272.21145.71053.31115.31137.7939.8805.3770.7748.0739.1737.4716.6747.7720.2723.6710.2729.3718.8772.8768.1758.6734.4671.8626.8630.3579.5NANANA507.0NANANANANANANA
 us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:StatementBusinessSegments pcar:TruckPartsAndOtherNANA20.3NANANA19.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA10.6NANANA10.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo us-gaap:StatementBusinessSegments pcar:FinancialServicesNANA451.8NANANA472.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA5.8NANANA7.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree us-gaap:StatementBusinessSegments pcar:FinancialServicesNANA252.8NANANA281.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA3.2NANANA3.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour us-gaap:StatementBusinessSegments pcar:FinancialServicesNANA104.3NANANA126.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA2.4NANANA1.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive us-gaap:StatementBusinessSegments pcar:FinancialServicesNANA35.0NANANA40.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA6.0NANANA2.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive us-gaap:StatementBusinessSegments pcar:FinancialServicesNANA5.1NANANA6.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 █▇▇▇▆▆▆▇▆▆▅▆▅▅▄▄▄▃▃▃▃▂▃▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▂▁▁11183.810717.710390.010184.49776.89637.49706.19962.79635.49105.58592.99171.08779.48567.38050.57935.67500.57079.36777.66978.26709.76343.26940.47343.87218.66731.66753.27162.77159.36863.56634.36480.96111.65947.95846.95862.15712.15719.15364.45593.95914.05648.95357.8NANANA
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▁▁▁▁▃▃▃▃▃▃▃▃▃▃▃▃▄▄▄▄▄▄▄▄▄▄▄▄▅▅▅▅████347.2347.2346.6347.0346.5346.4346.3347.4347.2347.0346.6352.2352.2352.1351.8351.5351.3351.3350.7351.7351.6351.5351.3355.0354.9354.7355.2354.8354.7354.7354.3354.1353.8353.7353.4357.2357.1357.1356.8365.5365.5365.4365.3NANANA
us-gaap:AdditionalPaidInCapital ▆▆▃▅▃▂▂▅▅▄▂▇▇▇▆▅▄▄▂▄▃▃▂▇▇▆█▇▆▆▅▄▃▂▁▂▂▂▁▆▅▅▅128.9124.388.5114.482.774.261.4116.8105.194.369.4148.6143.8140.1123.2109.698.595.170.192.886.779.569.3146.6140.2130.2156.7138.2131.9126.7106.296.484.770.956.671.866.963.952.1121.8117.6114.4105.1NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▇▇▇▆▅▆▅▅▅▄▄▄▄▄▃▃▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▁▂▁▁▁11738.711364.011005.210953.610679.110642.210398.510798.710301.89793.19275.49718.49271.38810.18369.18290.77975.97690.97484.97516.77254.86857.77536.87879.07533.17164.06863.86902.46609.26368.16165.16221.55983.05762.35596.45755.85663.55437.65174.55407.65191.54995.64846.1NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▂▂▂▁▁▂▂▂▂▂▃▃▄▄▃▃▂▂▃▃▃▃▃▃▃▄▆▇▇▇▆▆▆▆▆▆▆▆▇██▇-1029.6-1116.4-1050.3-1189.0-1289.9-1383.9-1100.1-1190.0-1062.2-1095.5-1098.5-895.0-893.7-718.3-793.6-816.2-925.2-1058.0-1128.1-926.7-927.1-889.2-1017.0-958.2-809.6-917.3-579.8-198.663.514.08.7-191.1-309.9-239.0-159.5-160.6-235.9-123.9-219.0-31.0239.4173.541.3NANANA
us-gaap:TreasuryStockValue ▄▄1.41.4NA41.6NANANANANANANA153.294.2NA0.0NANANANA56.356.356.30.078.6NANA42.7NANANANANANANANANANANANANANANANANANANA
  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 ▁▃▅▆▇▂▇▅▆▁█▅▄▃▆▄330.8536.9794.7831.7934.9425.9943.7727.1826.5363.01065.1728.7673.2525.3893.3637.3NANANANANANANANANANANANANANA675.4547.7768.6384.0602.4472.6317.7126.3441.3359.3332.7459.3388.6363.3514.1285.4
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▇▁▅▇▅▃▅▂▅▃▄▂█▁▅-451.0-215.7-841.5-440.2-214.3-379.8-650.9-431.1-724.7-400.7-654.2-531.3-689.1-56.1-825.1-369.2NANANANANANANANANANANANANANA-686.9-526.1-596.5-341.5-925.8-581.8-715.3-365.1-633.7-383.4-551.2-850.7-310.3-143.8-53.540.5
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▄▇▅▁▂▇██▃▇█▇▄▆▇-143.2-508.3179.5-209.6-944.7-833.7172.1193.3268.3-550.3134.8214.960.7-339.3-24.5138.5NANANANANANANANANANANANANANA53.9221.935.4-37.4-170.5115.8241.822.4433.8149.6373.1-10.4-99.1-187.0-323.5-350.8
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▄▆▆▄▁██▇▂█-250.2-219.6195.3216.3-195.1-852.0505.6450.1376.8-593.3521.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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:DepreciationDepletionAndAmortization ▃▃▃▃▁▄▆▆▆▆▆▅▇█▇▆▅▅▄▅▆▅▄▅▅▄▆66.966.963.663.652.470.079.180.581.281.482.075.886.293.686.083.977.673.971.875.179.775.870.875.275.970.383.5NANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInInventories █▅▃▂▁▄▁▂▃▃▂▃▅▄▂▃▃▃▂▂▃▃▂▃▃▂▂▃▃▄▂▃▃▃▁▃▃▃▂▃▄▃▃▃569.1269.960.1-27.4-153.5169.0-159.8-13.555.992.8-94.538.7253.0135.5-57.981.092.034.8-71.5-4.91.910.4-89.426.68.5-10.0-30.167.68.8143.2-77.746.622.947.8-139.524.080.896.2-10.620.3143.434.018.6-2.5NANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▃▅▆▇▂▇▅▆▁█▅▄▃▆▄330.8536.9794.7831.7934.9425.9943.7727.1826.5363.01065.1728.7673.2525.3893.3637.3NANANANANANANANANANANANANANA675.4547.7768.6384.0602.4472.6317.7126.3441.3359.3332.7459.3388.6363.3514.1285.4
us-gaap:NetIncomeLoss ▇▇▇▇▅▆▇██████▇█▇▇▆▆▆▇▁▆▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅492.9470.1405.8385.5147.7359.4531.3607.9619.7629.0578.1545.3559.6512.1589.2402.7373.0310.3288.8346.2481.3-594.6347.2431.2447.2378.4394.3371.4319.2273.9334.2309.4291.6236.1253.5233.6297.2327.3327.7281.6239.7193.3169.8119.999.668.3
us-gaap:ProfitLoss ▆▆▅▄▁▄▇███▇▇▇▆492.9470.1405.8385.5147.7359.4531.3607.9619.7629.0578.1545.3559.6512.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ▄▇▁▅▇▅▃▅▂▅▃▄▂█▁▅-451.0-215.7-841.5-440.2-214.3-379.8-650.9-431.1-724.7-400.7-654.2-531.3-689.1-56.1-825.1-369.2NANANANANANANANANANANANANANA-686.9-526.1-596.5-341.5-925.8-581.8-715.3-365.1-633.7-383.4-551.2-850.7-310.3-143.8-53.540.5
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▅▅▅▅▆██▆▆▄▅▅▅▄▅▅▄▄▆▄▃▃▄▄▂▂▃▃▃▃▆▅▆▆█▅▆▃▅▄▂▃▂▃▁▁127.8114.6124.2114.0135.8176.4186.8137.3147.1102.8123.1112.9123.298.4127.5107.695.692.7133.290.074.777.399.288.144.654.869.870.477.780.3132.8108.1131.3138.4180.8125.9138.070.7126.097.255.362.252.668.021.726.1
  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 ▆▄▇▅▁▂▇██▃▇█▇▄▆▇-143.2-508.3179.5-209.6-944.7-833.7172.1193.3268.3-550.3134.8214.960.7-339.3-24.5138.5NANANANANANANANANANANANANANA53.9221.935.4-37.4-170.5115.8241.822.4433.8149.6373.1-10.4-99.1-187.0-323.5-350.8
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▅█▂▅▇▆▄▅▇▆▃▇█▄▃▄▅▄▂▅▇▅▁▆▇▅▄▃█▁▃▅▇▅▃▄█▆▂▅▄▂▁537.2892.5118.8556.5764.8710.0448.1602.3817.2636.7254.6757.6929.0398.7299.2411.2547.8412.0130.4497.9840.9525.656.7630.2752.0554.3384.0315.3940.211.3250.0539.0845.1500.0250.0376.6941.5633.0100.0583.1346.8135.666.0NANANA
us-gaap:RepaymentsOfLongTermDebt █▆▄▄▅▄▂▅▇▃▄▃▆▅▃▂▇▅▁▅▅▅▃▄▇▁▁▅▆▅▁▁▅▁▃▂▁▃▂▂▇▃▄974.5691.0479.4406.7544.8467.6112.8560.3866.9250.0353.0257.7636.4508.2337.1119.2841.2599.62.5513.4609.2500.0311.3359.3889.320.20.0576.6756.4550.03.40.0550.115.4265.5120.023.0259.6173.8100.0793.9250.2350.1NANANA
us-gaap:PaymentsOfDividends ▂▄▂▂▂█▂▂▂▇▂▂▂▅▁▁▁▃▁▁▁▅▁▁▁▄▁▁▁▄▁▁▁▁▄▁▁▃▁▁▁▁▂▁▁▁118.1353.7110.9110.9110.6907.4110.8110.8110.9806.197.798.198.4510.187.987.987.8294.784.184.284.1576.984.885.278.1432.478.078.078.1389.770.870.970.770.7353.670.271.3314.464.365.443.943.8153.432.832.732.8
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▁▁▁▁▂▁▃▂▂█▃▄▁0.01.40.50.00.141.50.053.723.632.9201.259.080.713.5NA0.00.00.014.20.00.056.3130.970.70.00.017.2NANANANANANANA0.0NANANA87.4NANANANANANANA
  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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value347347346347346346346347347347346352352352351351351351350351351351351355354354355354354354354354353353353357357357356365365365365364
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.21.21.31.31.31.21.31.31.31.41.41.51.51.51.51.61.71.71.71.61.61.71.61.71.71.71.71.71.71.71.71.81.91.91.92.02.02.12.22.22.42.62.5

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value347347346347346346346347347347346352352352351351351351350351351351351355354354355354354354354354353353353357357357356365365365365364
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value3483483473463473470.00034770.0003478351352353352352352351351351355356356356356356355355354354356357364367367366366365
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value3473473463463463460.0003470.0003472350351352351351351351350351355355355355355354354354354353356357363365365364364364
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value551000.0583000.0646500.01912200.01911200.01842200.01867700.02037400.01174200.01175100.01173100.0599400.0616800.0648900.01099600.01934300.02878700.01139100.0551100.01178900.0655000.0655800.0656200.0783000.0828800.02384300.02497000.02538000.02571900.01697000.0671000.0829500.02151000.02142000.01846400.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.421.351.171.110.431.041.531.751.791.811.661.551.591.451.671.141.060.880.820.991.37-1.690.981.211.261.071.111.050.90.770.950.870.820.670.720.660.830.920.910.780.660.530.460.330.270.19
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value1.411.351.171.110.431.031.531.751.781.811.651.551.591.451.671.141.060.880.820.981.37-1.690.981.211.261.061.111.040.90.770.940.870.820.670.710.660.830.910.910.770.650.530.460.330.270.19
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.66.82.52.32.55.72.32.02.18.72.12.12.07.01.81.91.97.12.02.01.97.22.32.22.37.83.32.52.97.52.82.72.75.82.92.62.55.92.72.61.57.02.42.32.21.6
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.10.00.00.10.10.00.00.00.10.00.00.00.10.00.00.00.20.00.00.00.20.10.00.00.20.10.10.10.20.10.10.10.10.10.10.10.10.10.10.00.20.10.10.10.1

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5794045444862417562148065363240754438458761151150538087346443-466.8288282554401310936827953442822015625430818542213911305325172349-73.214
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues9.96.99.89.97.91.510.27.59.99.76.59.46.610.411.210.110.89.02.18.210.0-10.96.65.810.90.80.32.28.16.411.610.05.14.06.48.14.28.82.90.37.79.95.713.7-3.00.6

Cost Of Goods And Services Sold

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

us-gaap:CostOfGoodsAndServicesSold

us-gaap:ForeignExchangeContract, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, pcar:TruckPartsAndOther, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3.72.31.52.5-1.1-1.2-0.1-0.3-1.6-2.1-1.4-1.6-2.5-1.1-0.45.5-1.3
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.10.00.00.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.1-0.0
Percentage of Revenues us-gaap:ForeignExchangeContract us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome pcar:TruckPartsAndOther us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

pcar:TruckPartsAndOther


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value46624690448739582441418948905106534152175088465346474535441840553764
Percentage of CostOfGoodsAndServicesSold126018.9203943.5299133.3158332.0-221954.5-349133.3-4890000.0-1702266.7-333856.2-248433.3-363471.4-290850.0-185892.0-412318.2-1104600.073738.2-289538.5
Percentage of Revenues79.880.280.680.279.781.279.980.280.680.481.080.880.180.281.080.280.0
Percentage of Revenues pcar:TruckPartsAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostOfGoodsAndServicesSold us-gaap:StatementBusinessSegments

pcar:TruckPartsAndOther


Cost
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value448739582441418948905106534152175088465346474535440940463755338232433371348934133469385140613910416040063719359537253491349431893247310836323919
Percentage of CostOfGoodsAndServicesSold299133.3158332.0-221954.5-349133.3-4890000.0-1702266.7-333856.2-248433.3-363471.4-290850.0-185892.0-412318.2-1102375.073578.2-288861.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues80.680.279.781.279.980.280.680.481.080.880.180.280.880.079.879.879.779.379.179.479.779.579.980.981.381.381.482.181.081.281.381.381.281.481.582.1
Percentage of Revenues pcar:TruckPartsAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses us-gaap:ProductOrService

us-gaap:CostsAndExpenses

pcar:FinancialServices


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value349355368342304335338296281265259261265264260257243
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues6.06.16.66.910.06.55.54.74.24.14.14.54.64.74.85.15.2
Percentage of Revenues pcar:FinancialServices76.782.30.086.084.687.40.081.777.876.00.076.878.679.70.078.579.6

pcar:TruckPartsAndOther


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value48624887468341102582437851115314555454225287484348344729459942293930
Percentage of CostsAndExpenses1390.01374.41270.01201.5847.21305.61511.31793.51975.92042.22035.21855.01820.31786.91767.01641.81611.3
Percentage of Revenues83.283.684.183.384.384.883.683.583.883.684.284.183.383.784.383.683.5
Percentage of Revenues pcar:TruckPartsAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value637607521489184462687777814819752668719669604581539448418494646-429.6498624652561577552481
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.910.49.49.96.09.011.212.212.312.612.011.612.411.811.111.511.510.610.311.614.6-10.011.512.912.811.611.311.210.5

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ProductOrService

pcar:FinancialServices


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
Value10676635555486866808487787267717062
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest16.712.612.211.330.210.59.98.69.910.311.611.810.110.111.912.111.6
Percentage of Revenues1.81.31.11.11.80.91.11.01.21.31.41.41.21.21.31.41.3
Percentage of Revenues pcar:FinancialServices23.317.70.014.015.412.60.018.322.224.00.023.221.420.30.021.520.4

pcar:TruckPartsAndOther


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
Value525526452428119399599690712716645573632591522502467
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest82.586.686.787.464.986.387.288.787.587.485.885.887.988.486.586.386.8
Percentage of Revenues9.09.08.18.73.97.79.810.810.711.010.310.010.910.59.69.99.9
Percentage of Revenues pcar:TruckPartsAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ProductOrService, us-gaap:Subsegments

pcar:TruckPartsAndOther, pcar:AllOtherSubsegments


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
Value4.95.2-4.67.7131.3-1.31.1-9.0-8.5-0.4-5.94.14.93.53.74.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest0.80.9-0.91.67.50.3-0.20.1-1.1-1.0-0.1-0.90.60.70.60.60.7
Percentage of Revenues0.10.1-0.10.20.50.0-0.00.0-0.1-0.1-0.0-0.10.10.10.10.10.1
Percentage of Revenues pcar:TruckPartsAndOther pcar:AllOtherSubsegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pcar:TruckPartsAndOther, pcar:PartsSubsegment


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
Value265251222210151214205207210207193188194191156151151
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest41.741.442.642.982.646.529.826.725.925.325.828.227.028.725.826.128.1
Percentage of Revenues4.54.34.04.35.04.23.43.33.23.23.13.33.43.42.93.03.2
Percentage of Revenues pcar:TruckPartsAndOther pcar:PartsSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pcar:TruckPartsAndOther, pcar:TruckSubsegment


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
Value255269234210-46.2183395481510517451391434395363346312
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest40.044.444.942.9-25.139.657.561.962.763.160.158.560.359.060.159.658.0
Percentage of Revenues4.44.64.24.3-1.53.56.57.67.78.07.26.87.57.06.76.96.6
Percentage of Revenues pcar:TruckPartsAndOther pcar:TruckSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


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
Value-21.111-101.6-42.0-18.974-64.538-11.3-14.5350.597-11.8-3.8-28.1-51.4
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-3.31.9-19.5-8.6-10.316.2-9.45.0-1.4-1.84.70.113.5-1.8-0.6-4.8-9.5
Percentage of Revenues-0.40.2-1.8-0.9-0.61.5-1.10.6-0.2-0.20.60.01.7-0.2-0.1-0.6-1.1
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents

pcar:TruckPartsAndOther, pcar:AccumulatedDefinedBenefitPlansAdjustmentNetSettlementLoss


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-15.5-14.4-12.0-13.0-17.7-5.4-6.2-4.8
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-2.4-2.4-2.4-7.1-3.8-0.7-0.8-0.6
Percentage of Revenues-0.3-0.2-0.2-0.4-0.3-0.1-0.1-0.1
Percentage of Revenues pcar:TruckPartsAndOther pcar:AccumulatedDefinedBenefitPlansAdjustmentNetSettlementLoss0.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value14413711610436102156169194190174123160157151791661371301481641651511932051831831811611321501301411011041111491511451131139369564927
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.52.32.12.11.22.02.62.72.92.92.82.12.82.80.33.53.53.33.23.53.73.83.54.04.03.83.63.73.53.03.33.03.32.62.62.93.33.23.02.72.92.82.32.22.01.2

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


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
Value-5.53.8-24.5-9.6-6.717-13.98.8-3.5-3.49.7-0.524-2.5-0.7-7.1-14.7
Percentage of IncomeTaxExpenseBenefit-3.82.8-21.1-9.2-18.517.2-8.95.2-1.8-1.85.6-0.415.2-1.6-4.6-4.0-8.9
Percentage of Revenues-0.10.1-0.4-0.2-0.20.3-0.20.1-0.1-0.10.2-0.00.4-0.0-0.0-0.1-0.3
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value0.20.10.20.20.10.10.00.10.00.00.00.10.00.10.00.10.10.6-0.10.20.20.1-0.10.20.1
Percentage of IncomeTaxExpenseBenefit0.10.10.20.20.30.10.00.10.00.00.00.10.00.10.00.10.10.4-0.10.10.10.1-0.00.10.1
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.00.00.00.0-0.00.00.0
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents

pcar:TruckPartsAndOther, pcar:AccumulatedDefinedBenefitPlansAdjustmentNetSettlementLoss


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-3.6-3.4-2.8-3.2-4.2-1.3-1.4-1.1
Percentage of IncomeTaxExpenseBenefit-2.5-2.5-2.7-8.8-4.1-0.8-0.7-0.6
Percentage of Revenues-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0
Percentage of Revenues pcar:TruckPartsAndOther pcar:AccumulatedDefinedBenefitPlansAdjustmentNetSettlementLoss0.00.00.00.00.00.00.00.0

Interest And Fee Income Loans And Leases

us-gaap:InterestAndFeeIncomeLoansAndLeases us-gaap:ProductOrService

us-gaap:InterestAndFeeIncomeLoansAndLeases

pcar:FinancialServices


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
Value132129131127126142149148147137132128121115113111104
Percentage of InterestAndFeeIncomeLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.32.22.42.64.12.82.42.32.22.12.12.22.12.02.12.22.2
Percentage of Revenues pcar:FinancialServices29.030.10.032.135.037.00.040.940.939.20.037.736.034.80.033.934.0

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
Value492470405385147359531607619629578545559512589402373310288346481-594.63474314473783943713192733343092912362532332973273272812391931691199968
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 Revenues8.48.07.37.84.87.08.79.59.39.79.29.59.69.110.88.07.97.37.18.110.9-13.88.08.98.87.87.77.57.06.37.37.26.86.06.36.16.76.96.86.66.15.95.64.74.03.1

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-15.67.9-77.1-32.4-12.257-50.629-7.8-11.1261.072-9.3-3.1-21.0-36.7
Percentage of NetIncomeLoss-3.21.7-19.0-8.4-8.315.9-9.54.9-1.3-1.84.50.213.0-1.8-0.5-5.2-9.8
Percentage of Revenues-0.30.1-1.4-0.7-0.41.1-0.80.5-0.1-0.20.40.01.3-0.2-0.1-0.4-0.8
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value0.40.50.60.40.50.30.10.10.1-0.1-0.10.00.30.00.10.10.20.11.8-0.30.50.50.2-0.20.60.3
Percentage of NetIncomeLoss0.10.10.10.10.30.10.00.00.0-0.0-0.00.00.10.00.00.00.10.00.5-0.1-0.10.10.0-0.00.20.1
Percentage of Revenues0.00.00.00.00.00.00.00.00.0-0.0-0.00.00.00.00.00.00.00.00.0-0.00.00.00.0-0.00.00.0
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents

pcar:TruckPartsAndOther, pcar:AccumulatedDefinedBenefitPlansAdjustmentNetSettlementLoss


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-11.9-11.0-9.2-9.8-13.5-4.1-4.8-3.7
Percentage of NetIncomeLoss-2.4-2.3-2.4-6.6-3.8-0.7-0.8-0.6
Percentage of Revenues-0.2-0.2-0.2-0.3-0.3-0.1-0.1-0.1
Percentage of Revenues pcar:TruckPartsAndOther pcar:AccumulatedDefinedBenefitPlansAdjustmentNetSettlementLoss0.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value492470405385147359531607619629578545559512
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.48.07.37.84.87.08.79.59.39.79.29.59.69.1
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value81-89.125011299-347.1141-126.5229.4-92.8-1.6-196.777-17.210812675-148.5-6.9-57.2125-74.4-163.4106-352.9-191.4-278.047-1.1-15.1120-82.6-96.03673-118.6
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.4-1.54.52.33.2-6.72.3-2.00.30.1-1.5-0.0-3.41.4-0.32.12.71.8-3.6-0.2-1.32.9-1.7-3.42.1-7.3-3.7-5.61.0-0.0-0.32.8-1.9-2.40.91.9-2.7

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value86-66.113810094-283.889-127.8333.0-170.3-1.3-175.4752210913270127-58.8-148.6107-337.5-381.2-262.1495.3199118-70.9-79.51.175-112.095-188.0-270.465
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.5-1.12.52.03.1-5.51.5-2.00.50.0-2.7-0.0-3.01.30.42.22.81.73.0-1.4-3.12.1-7.0-7.4-5.31.10.14.32.8-1.6-2.00.02.0-2.52.0-3.9-6.41.7

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value109.8-95.32.88.623-56.08.37.20.6-84.77.8162.0370.0-1.42.64.615120.714-185.9100.64.32101.08.614
Percentage of OtherComprehensiveIncomeLossNetOfTax11.9-14.8-68.72.89.1-8.3-62.3-6.521.620.049.7-600.0-9.22.7165.00.0-1.13.73.6-25.7-8.10.6-4.448.8-3.91.281.1105.20.8-12.1-18.4
Percentage of Revenues0.20.2-1.70.10.30.5-0.90.10.10.0-1.30.10.30.00.70.0-0.00.10.10.30.20.00.3-3.60.20.00.14.60.00.20.4
Percentage of Revenues us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-3.018-15.8-14.5-25.0414.5-9.8-0.4-11.64.5-6.44.8-2.55.41.28.5
Percentage of OtherComprehensiveIncomeLossNetOfTax-3.5-27.5-11.4-14.4-26.6-14.65.07.7-1.2-386.7-2.6492.3-2.7-3.323.91.16.4
Percentage of Revenues-0.10.3-0.3-0.3-0.80.80.1-0.2-0.0-0.20.1-0.10.1-0.00.10.00.2
Percentage of Revenues us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-1.6-5.0-0.90.011-1.6-0.40.24.04.62.7-1.10.4-2.0-2.9-0.3-0.42.12.2-1.40.0-2.10.30.00.91.71.0-0.80.1-4.0-0.2
Percentage of OtherComprehensiveIncomeLossNetOfTax-1.87.6-0.60.011.70.6-0.4-0.212.0153.3-1.684.6-0.2-2.7-12.8-0.3-0.33.01.72.4-0.0-1.9-0.1-0.0-0.33.418.9-0.40.15.60.3
Percentage of Revenues-0.0-0.1-0.00.00.4-0.0-0.00.00.10.10.0-0.00.0-0.0-0.1-0.0-0.00.00.1-0.00.0-0.00.00.00.00.00.0-0.00.0-0.1-0.0
Percentage of Revenues us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-03-312015-03-31
Value86-66.113810094-283.889-127.8333.0-170.3-1.3-175.475127-337.5
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.5-1.12.52.03.1-5.51.5-2.00.50.0-2.7-0.0-3.01.33.0-7.0
Percentage of Revenues us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value81-89.125011299-347.1141-126.5229.4-92.8-1.6-196.777-17.210812675125-74.4-163.4106-352.9-191.4-278.047-1.1-15.1120-82.6-96.0
Percentage of OtherComprehensiveIncomeLossNetOfTax93.4134.8180.7111.6105.7122.3157.799.067.6313.354.5123.1112.1103.3-76.199.295.0107.098.2126.5110.099.3104.650.2106.196.4-20.8-7.6101.3116.5120.8
Percentage of Revenues1.4-1.54.52.33.2-6.72.3-2.00.30.1-1.5-0.0-3.41.4-0.32.12.71.82.9-1.7-3.42.1-7.3-3.7-5.61.0-0.0-0.32.8-1.9-2.4
Percentage of Revenues us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

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

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ForeignExchangeContract, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, pcar:TruckPartsAndOther, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-0.1-0.2-0.60.4-1.36.1-1.50.1-0.2-0.51.4-0.5-0.31.0-0.2-1.0-0.6
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.0-0.0-0.00.0-0.00.1-0.00.0-0.0-0.00.0-0.0-0.00.0-0.0-0.0-0.0
Percentage of Revenues us-gaap:ForeignExchangeContract us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome pcar:TruckPartsAndOther us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherNonoperatingIncomeExpense us-gaap:ProductOrService

pcar:TruckPartsAndOther


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value17138.513191310119.810187.41618109.811
Percentage of OtherNonoperatingIncomeExpense-17200.0-6600.0-1416.73250.0-1500.0214.8-686.711600.0-4900.0-2060.01307.1-1480.0-5466.71870.0-5350.0-980.0-1983.3
Percentage of Revenues0.30.20.20.30.60.30.20.20.10.20.30.10.30.30.20.20.3
Percentage of Revenues pcar:TruckPartsAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherNonoperatingIncomeExpense us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents

pcar:TruckPartsAndOther, pcar:AccumulatedDefinedBenefitPlansAdjustmentNetSettlementLoss


Other
Period End2020-12-312020-09-302020-06-302020-03-31
Value-3.1-0.5-1.0-7.0
Percentage of OtherNonoperatingIncomeExpense516.7-125.076.9-114.8
Percentage of Revenues-0.1-0.0-0.0-0.1
Percentage of Revenues pcar:TruckPartsAndOther pcar:AccumulatedDefinedBenefitPlansAdjustmentNetSettlementLoss0.00.00.00.0

pcar:TruckPartsAndOther, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit


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
Value-0.2-0.2-0.4-0.4-0.3-0.4-0.3-0.4-0.3-0.4-0.4-0.3-0.3-0.4-0.3-0.3-0.3-0.3
Percentage of OtherNonoperatingIncomeExpense200.0100.066.7-100.023.1-6.620.0-400.0150.080.0-28.660.0100.0-40.0150.030.050.00.0
Percentage of Revenues-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Revenues pcar:TruckPartsAndOther us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pcar:TruckPartsAndOther, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


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
Value-15.3-14.2-11.1-11.1-11.7-10.3-5.2-5.0-5.9-4.4-8.8-8.7-10.1-7.7-6.5-6.3-5.9-6.7
Percentage of OtherNonoperatingIncomeExpense15300.07100.01850.0-2775.0900.0-168.9346.7-5000.02950.0880.0-628.61740.03366.7-770.03250.0630.0983.30.0
Percentage of Revenues-0.3-0.2-0.2-0.2-0.4-0.2-0.1-0.1-0.1-0.1-0.1-0.2-0.2-0.1-0.1-0.1-0.1-0.2
Percentage of Revenues pcar:TruckPartsAndOther us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value492470405385147359531607619629578545559512
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.48.07.37.84.87.08.79.59.39.79.29.59.69.1

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense us-gaap:ProductOrService

us-gaap:ResearchAndDevelopmentExpense

pcar:TruckPartsAndOther


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value8480716466718382827880727676706766
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.41.41.31.32.21.41.41.31.21.21.31.31.31.31.31.31.4
Percentage of Revenues pcar:TruckPartsAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense us-gaap:StatementBusinessSegments

pcar:TruckPartsAndOther


Research
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value716466718382827880727676706766616759605966575956625049526056617266667372
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues1.31.32.21.41.41.31.21.21.31.31.31.31.31.31.41.41.71.41.41.41.51.21.21.21.21.01.11.21.31.31.41.81.71.71.71.5
Percentage of Revenues pcar:TruckPartsAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

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

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:IntersegmentElimination, pcar:TruckPartsAndOther, pcar:PartsSubsegment


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-15.1-15.5-13.6-13.2-10.9-12.1-12.6-11.9-12.4-11.3-13.9-14.7-15.1-13.6-14.3-14.4-12.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.3-0.3-0.2-0.3-0.4-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.3-0.2-0.3-0.3-0.3
Percentage of Revenues us-gaap:IntersegmentElimination pcar:TruckPartsAndOther pcar:PartsSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IntersegmentElimination, pcar:TruckPartsAndOther, pcar:TruckSubsegment


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-143.0-166.2-128.3-171.8-72.5-105.6-72.1-125.2-97.4-119.3-33.8-248.4-210.8-183.1-188.2-198.2-215.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax947.01072.3943.41301.5665.1872.7572.21052.1785.51055.8243.21689.81396.01346.31316.11376.41779.3
Percentage of Revenues-2.4-2.8-2.3-3.5-2.4-2.0-1.2-2.0-1.5-1.8-0.5-4.3-3.6-3.2-3.5-3.9-4.6
Percentage of Revenues us-gaap:IntersegmentElimination pcar:TruckPartsAndOther pcar:TruckSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, pcar:TruckPartsAndOther, pcar:PartsSubsegment


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
Value122611761088102983410101006101210371016984974983953891854835
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-8121.9-7588.4-8000.0-7798.5-7656.9-8352.9-7988.1-8510.9-8369.4-8991.2-7084.9-6631.3-6510.6-7011.0-6234.3-5933.3-6902.5
Percentage of Revenues21.020.119.520.927.319.616.515.915.715.715.716.916.916.916.316.917.8
Percentage of Revenues us-gaap:OperatingSegments pcar:TruckPartsAndOther pcar:PartsSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, pcar:TruckPartsAndOther, pcar:TruckSubsegment


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
Value42954399417336751930386347655102530952264970467746784536441140653768
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-28445.0-28381.9-30684.6-27847.0-17714.7-31927.3-37817.5-42879.0-42816.9-46253.1-35759.7-31821.8-30984.1-33353.7-30852.4-28233.3-31147.9
Percentage of Revenues73.575.374.974.563.174.877.980.180.180.679.281.380.680.280.980.480.1
Percentage of Revenues us-gaap:OperatingSegments pcar:TruckPartsAndOther pcar:TruckSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:DerivativeInstrumentRisk, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents

us-gaap:ForeignExchangeContract, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, pcar:TruckPartsAndOther, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


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-5.1-8.5-18.21011-0.1-7.33.2-7.7-9.40.7-4.32.8-4.61.23.0-12.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.854.8133.8-80.3-107.30.857.9-26.962.183.2-5.029.3-18.533.8-8.4-20.8100.0
Percentage of Revenues-0.1-0.1-0.30.20.4-0.0-0.10.1-0.1-0.10.0-0.10.0-0.10.00.1-0.3
Percentage of Revenues us-gaap:ForeignExchangeContract us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome pcar:TruckPartsAndOther us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

pcar:TruckPartsAndOther


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
Value53875413513645382701477857106004626661385932541654675321512247314397
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-35679.5-34925.8-37764.7-34381.8-24788.1-39487.6-45324.6-50455.5-50536.3-54319.5-42681.3-36849.7-36206.6-39130.9-35821.0-32857.6-36346.3
Percentage of Revenues92.292.692.291.988.292.693.494.394.594.694.594.194.294.193.993.593.5
Percentage of Revenues pcar:TruckPartsAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

pcar:DealerServicesAndOther, pcar:TruckPartsAndOther, pcar:PartsSubsegment


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
Value3534272924282727292826262527
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-233.1-224.5-203.7-219.7-222.9-236.4-220.6-232.8-235.5-248.7-192.8-183.0-168.9-204.4
Percentage of Revenues0.60.60.50.60.80.60.50.40.40.40.40.50.40.5
Percentage of Revenues pcar:DealerServicesAndOther pcar:TruckPartsAndOther pcar:PartsSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pcar:Parts, pcar:TruckPartsAndOther, pcar:PartsSubsegment


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
Value117611251046987799970966973996976944933942912
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7788.7-7263.9-7696.3-7478.8-7333.9-8016.5-7667.5-8178.2-8033.9-8642.5-6792.1-6348.3-6241.7-6706.6
Percentage of Revenues20.119.318.820.026.118.815.815.315.015.115.016.216.216.1
Percentage of Revenues pcar:Parts pcar:TruckPartsAndOther pcar:PartsSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pcar:TruckSales, pcar:TruckPartsAndOther, pcar:TruckSubsegment


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
Value39504045385133241708358345104784501649134745425342744174
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-26161.6-26096.8-28317.6-25181.8-15670.6-29616.5-35798.4-40206.7-40454.8-43483.2-34137.4-28936.1-28309.3-30694.1
Percentage of Revenues67.669.269.267.355.869.473.775.175.775.775.673.973.673.8
Percentage of Revenues pcar:TruckSales pcar:TruckPartsAndOther pcar:TruckSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pcar:WarrantiesServiceContractsOperatingLeasesAndOther, pcar:TruckPartsAndOther, pcar:TruckSubsegment


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
Value201188193180150174182192195193191175193178
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1336.4-1212.9-1423.5-1363.6-1378.9-1438.0-1446.8-1620.2-1576.6-1714.2-1379.1-1195.9-1278.8-1313.2
Percentage of Revenues3.53.23.53.64.93.43.03.02.93.03.13.13.33.2
Percentage of Revenues pcar:WarrantiesServiceContractsOperatingLeasesAndOther pcar:TruckPartsAndOther pcar:TruckSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:Subsegments

pcar:TruckPartsAndOther, pcar:AllOtherSubsegments


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
Value2419161819212425292625273128212421
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-159.6-127.7-123.5-137.9-181.7-180.2-191.3-217.6-235.5-231.0-179.9-186.4-207.9-212.5-150.3-167.4-175.2
Percentage of Revenues0.40.30.30.40.60.40.40.40.40.40.40.50.50.50.40.50.5
Percentage of Revenues pcar:TruckPartsAndOther pcar:AllOtherSubsegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pcar:TruckPartsAndOther, pcar:PartsSubsegment


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
Value1211116010741016823998993100010251004970960968939877840823
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-8021.9-7488.4-7900.0-7698.5-7556.9-8252.9-7888.1-8410.9-8269.4-8891.2-6984.9-6531.3-6410.6-6911.0-6134.3-5833.3-6802.5
Percentage of Revenues20.719.919.320.626.919.316.215.715.515.515.516.716.716.616.116.617.5
Percentage of Revenues pcar:TruckPartsAndOther pcar:PartsSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pcar:TruckPartsAndOther, pcar:TruckSubsegment


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
Value41524233404435041858375746924977521151074936442944674353422338673553
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-27498.0-27309.7-29741.2-26545.5-17049.5-31054.5-37245.2-41826.9-42031.5-45197.3-35516.5-30132.0-29588.1-32007.4-29536.4-26856.9-29368.6
Percentage of Revenues71.172.472.671.060.772.876.778.278.678.778.676.977.077.077.476.475.5
Percentage of Revenues pcar:TruckPartsAndOther pcar:TruckSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

pcar:TruckPartsAndOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value53875413513645382701477857106004626661385932541654675321512247314397393537673953411540104062454647864548481746224267408642994006401136313699354641914514
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-35679.5-34925.8-37764.7-34381.8-24788.1-39487.6-45324.6-50455.5-50536.3-54319.5-42681.3-36849.7-36206.6-39130.9-35821.0-32857.6-36346.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues92.292.692.291.988.292.693.494.394.594.694.594.194.294.193.993.593.592.992.593.093.393.393.393.894.294.194.193.893.493.393.593.293.392.592.592.894.094.5
Percentage of Revenues pcar:TruckPartsAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments, us-gaap:Subsegments

pcar:TruckPartsAndOther, pcar:PartsSubsegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1211116010741016823998993100010251004970960968939877840823786765764756
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-8021.9-7488.4-7900.0-7698.5-7556.9-8252.9-7888.1-8410.9-8269.4-8891.2-6984.9-6531.3-6410.6-6911.0-6134.3-5833.3-6802.50.00.00.00.0
Percentage of Revenues20.719.919.320.626.919.316.215.715.515.515.516.716.716.616.116.617.518.618.818.017.1
Percentage of Revenues pcar:TruckPartsAndOther pcar:PartsSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pcar:TruckPartsAndOther, pcar:TruckSubsegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value415242334044350418583757469249775211510749364429446743534223386735533130298431703341
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-27498.0-27309.7-29741.2-26545.5-17049.5-31054.5-37245.2-41826.9-42031.5-45197.3-35516.5-30132.0-29588.1-32007.4-29536.4-26856.9-29368.60.00.00.00.0
Percentage of Revenues71.172.472.671.060.772.876.778.278.678.778.676.977.077.077.476.475.573.973.374.675.7
Percentage of Revenues pcar:TruckPartsAndOther pcar:TruckSubsegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pcar:TruckPartsAndOther, pcar:WinchSalesAndOther


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
Value2419161819212425292625273128
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-159.6-127.7-123.5-137.9-181.7-180.2-191.3-217.6-235.5-231.0-179.9-186.4-207.9-212.5
Percentage of Revenues0.40.30.30.40.60.40.40.40.40.40.40.50.50.5
Percentage of Revenues pcar:TruckPartsAndOther pcar:WinchSalesAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value5843584555684936306251616117636766276487627957565805565454545059470442374070424944134300435548475079483251194928456943794598430043003924399738204457477648534257396032833055254224642230
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 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

us-gaap:Revenues us-gaap:ProductOrService

pcar:FinancialServices


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
Value456432432397360383406362361349347339338332332328306
Percentage of Revenues7.87.47.88.111.87.46.65.75.55.45.55.95.85.96.16.56.5
Percentage of Revenues7.87.47.88.111.87.46.65.75.55.45.55.95.85.96.16.56.5
Percentage of Revenues pcar:FinancialServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:StatementBusinessSegments

pcar:FinancialServices


Revenuesus-gaap:
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
Value432397360383406362361349347339338332332328306302
Percentage of Revenues7.88.111.87.46.65.75.55.45.55.95.85.96.16.56.57.1
Percentage of Revenues7.88.111.87.46.65.75.55.45.55.95.85.96.16.56.57.1
Percentage of Revenues pcar:FinancialServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ProductOrService

us-gaap:SellingGeneralAndAdministrativeExpense

pcar:FinancialServices


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3231323126323535333229292931262826
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.60.50.60.60.90.60.60.60.50.50.50.50.50.60.50.60.6
Percentage of Revenues pcar:FinancialServices7.17.27.47.97.38.58.79.99.39.38.58.68.89.48.18.78.8

pcar:TruckPartsAndOther


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value13212913310093131148136139136136124127137121116111
Percentage of SellingGeneralAndAdministrativeExpense410.6416.3417.2320.8357.0403.1420.5382.1417.3421.2461.5423.9426.2440.8452.2410.2415.6
Percentage of Revenues2.32.22.42.03.12.52.42.12.12.12.22.22.22.42.22.32.4
Percentage of Revenues pcar:TruckPartsAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value290122850328260272332640627294283612776727168261572548225103241552378123440231032205321039206382096821427213562110921519214152032620618210262090720597207252031119202188341862718692182441815717172163541630115133142341456916249
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ProductOrService

pcar:FinancialServices


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value15799160711439913202
Percentage of Assets55.956.756.556.3
Percentage of Assets55.956.756.556.3
Percentage of Assets pcar:FinancialServices100.0100.0100.0100.0

pcar:TruckPartsAndOther


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value12460122891108210237
Percentage of Assets44.143.343.543.7
Percentage of Assets44.143.343.543.7
Percentage of Assets pcar:TruckPartsAndOther100.0100.0100.0100.0

us-gaap:Assets us-gaap:ProductOrService, us-gaap:Subsegments

pcar:TruckPartsAndOther, pcar:AllOtherSubsegments


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value398339345505
Percentage of Assets1.41.21.42.2
Percentage of Assets1.41.21.42.2
Percentage of Assets pcar:TruckPartsAndOther pcar:AllOtherSubsegments100.0100.0100.0100.0

pcar:TruckPartsAndOther, pcar:PartsSubsegment


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value125511721090950
Percentage of Assets4.44.14.34.1
Percentage of Assets4.44.14.34.1
Percentage of Assets pcar:TruckPartsAndOther pcar:PartsSubsegment100.0100.0100.0100.0

pcar:TruckPartsAndOther, pcar:TruckSubsegment


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value5971560953475159
Percentage of Assets21.119.821.022.0
Percentage of Assets21.119.821.022.0
Percentage of Assets pcar:TruckPartsAndOther pcar:TruckSubsegment100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

pcar:FinancialServices


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value15565155341579915277150471564416071156141540914908143991408813630135901320213061126881226612194123731222712322122541235712299118381191711767117531165611630113721092710728107951056710212997594018834868878788431
Percentage of Assets53.754.555.956.157.057.356.756.256.757.056.556.156.457.156.356.557.558.359.159.057.157.758.157.457.458.257.856.056.256.656.156.056.957.058.056.556.054.954.754.053.355.357.9
Percentage of Assets53.754.555.956.157.057.356.756.256.757.056.556.156.457.156.356.557.558.359.159.057.157.758.157.457.458.257.856.056.256.656.156.056.957.058.056.556.054.954.754.053.355.357.9
Percentage of Assets pcar:FinancialServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:TruckPartsAndOther


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value13446129691246011956113581165012289121531175811248110821101510524101911023710042936587738444859592009034885591619115848887019258915489419095893982748105783277716355
Percentage of Assets46.345.544.143.943.042.743.343.843.343.043.543.943.642.943.743.542.541.740.941.042.942.341.942.642.641.842.244.043.843.443.944.043.143.042.045.344.7
Percentage of Assets46.345.544.143.943.042.743.343.843.343.043.543.943.642.943.743.542.541.740.941.042.942.341.942.642.641.842.244.043.843.443.944.043.143.042.045.344.7
Percentage of Assets pcar:TruckPartsAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities us-gaap:StatementBusinessSegments

us-gaap:Liabilities

pcar:FinancialServices


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1194711962122681177811660125001264112247119751145811178108121040610373101191028399549687980598369727983098379925987794829524950995979516963994198938890789798748847381847811706066846092
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 Assets41.242.043.443.244.245.844.644.144.143.843.943.143.143.643.244.545.146.047.546.945.446.046.646.146.146.746.245.245.946.246.546.446.647.348.246.846.445.145.543.241.042.8
Percentage of Assets pcar:FinancialServices76.877.077.777.177.579.978.778.477.776.977.676.876.376.376.678.778.579.080.479.579.679.880.380.380.380.179.980.881.781.682.982.881.883.083.282.883.082.083.179.976.977.3

pcar:TruckPartsAndOther


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value588158235601527149695156601355575556559257105119496948415270488445984273405641534990518343314250431841124341435341504217445244104151397938013996
Percentage of Liabilities49.248.745.744.842.641.247.645.446.448.851.147.447.846.752.147.546.244.141.442.251.352.744.042.843.743.445.645.843.244.346.246.846.444.742.351.2
Percentage of Assets20.320.419.819.418.818.921.220.020.521.422.420.420.620.422.521.120.820.319.719.823.324.320.519.820.220.221.120.719.920.521.521.721.621.120.423.3
Percentage of Assets pcar:TruckPartsAndOther43.744.945.044.143.844.348.945.747.349.751.546.547.247.551.548.649.148.748.048.354.257.448.946.447.448.449.947.045.347.248.949.350.249.148.551.4

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2901228503282602723326406272942836127767271682615725482251032415523781234402310322053210392063820968214272135621109215192141520326206182102620907205972072520311192021883418627186921824418157171721635416301151331423414569
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value1118310717103901018497769637970699629635910585929171877985678050793575007079677769786709634369407343721867316753716271596863663464806111594758465862571257195364559359145648535751034846
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.537.636.837.437.035.334.235.935.534.833.736.536.336.034.334.334.033.632.833.331.329.732.934.133.733.132.834.134.233.332.031.931.831.631.431.431.331.531.234.236.337.337.635.029.8

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-312018-12-31
Value-4.650
Percentage of StockholdersEquity-0.00.6
Percentage of Assets-0.00.2
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-558.0-568.3-578.1-482.8-485.6-494.2-517.7-461.7-470.0-477.2-477.8-349.7-357.5-373.6-375.6-412.9-412.9-411.5-414.1-368.3-375.2-385.8-390.4-405.5-417.5-418.2-433.1-262.2
Percentage of StockholdersEquity-5.0-5.3-5.6-4.7-5.0-5.1-5.3-4.6-4.9-5.2-5.6-3.8-4.1-4.4-4.7-5.2-5.5-5.8-6.1-5.3-5.6-6.1-5.6-5.5-5.8-6.2-6.4-4.0
Percentage of Assets-1.9-2.0-2.0-1.8-1.8-1.8-1.8-1.7-1.7-1.8-1.9-1.4-1.5-1.6-1.6-1.8-1.9-2.0-2.0-1.8-1.8-1.8-1.8-1.9-1.9-2.1-2.1-1.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value-14.0-11.0-29.2-13.41.126-15.3-19.8-10.0-9.62.0-2.93.5-1.31.2-4.2-5.4-13.9-4.3-6.4
Percentage of StockholdersEquity-0.1-0.1-0.3-0.10.00.3-0.2-0.2-0.1-0.10.0-0.00.0-0.00.0-0.1-0.1-0.2-0.1-0.1
Percentage of Assets-0.0-0.0-0.1-0.00.00.1-0.1-0.1-0.0-0.00.0-0.00.0-0.00.0-0.0-0.0-0.1-0.0-0.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value8.09.61415154.56.16.56.32.3-2.3-4.5-3.4-3.8-1.81.11.41.8-0.33.66.14.32.13.53.55.65.31.7
Percentage of StockholdersEquity0.10.10.10.20.20.00.10.10.10.0-0.0-0.0-0.0-0.0-0.00.00.00.0-0.00.10.10.10.00.00.00.10.10.0
Percentage of Assets0.00.00.10.10.10.00.00.00.00.0-0.0-0.0-0.0-0.0-0.00.00.00.0-0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-1029.6-1116.4-1050.3-1189.0-1289.9-1383.9-1100.1-1190.0-1062.2-1095.5-1098.5-895.0-893.7-718.3-793.6-816.2-925.2-1058.0-1128.1-926.7-927.1-889.2-1017.0-958.2-809.6-917.3-579.88.7-159.5-219.04136-269.8408
Percentage of StockholdersEquity-9.2-10.4-10.1-11.7-13.2-14.4-11.3-11.9-11.0-12.0-12.8-9.8-10.2-8.4-9.9-10.3-12.3-14.9-16.6-13.3-13.8-14.0-14.7-13.0-11.2-13.6-8.60.1-2.7-4.10.80.7-5.60.0
Percentage of Assets-3.5-3.9-3.7-4.4-4.9-5.1-3.9-4.3-3.9-4.2-4.3-3.6-3.7-3.0-3.4-3.5-4.2-5.0-5.5-4.4-4.3-4.2-4.8-4.5-3.8-4.5-2.80.0-0.9-1.30.30.2-1.70.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-465.6-546.7-457.6-708.3-820.9-920.3-573.2-715.0-588.5-611.0-620.4-537.9-536.3-339.6-417.4-400.2-508.3-634.4-709.4-560.9-554.0-496.8-622.3-547.9-384.5-491.4-138.5284
Percentage of StockholdersEquity-4.2-5.1-4.4-7.0-8.4-9.5-5.9-7.2-6.1-6.7-7.2-5.9-6.1-4.0-5.2-5.0-6.8-9.0-10.5-8.0-8.3-7.8-9.0-7.5-5.3-7.3-2.14.3
Percentage of Assets-1.6-1.9-1.6-2.6-3.1-3.4-2.0-2.6-2.2-2.3-2.4-2.1-2.2-1.4-1.8-1.7-2.3-3.0-3.4-2.7-2.6-2.3-2.9-2.5-1.8-2.4-0.71.4
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value12812488114827461116105946914814314012370691561065652105804637
Percentage of StockholdersEquity1.21.20.91.10.80.80.61.21.11.00.81.61.61.61.51.01.02.31.61.01.02.01.61.00.0
Percentage of Assets0.40.40.30.40.30.30.20.40.40.40.30.60.60.60.50.30.30.80.50.30.30.70.50.30.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value347347346347346346346347347347346352352352351350351355354353356365364363368
Percentage of StockholdersEquity3.13.23.33.43.53.63.63.53.63.84.03.84.04.14.45.25.15.35.36.06.76.87.17.50.0
Percentage of Assets1.21.21.21.31.31.31.21.31.31.31.41.41.51.51.51.71.71.71.71.92.12.62.52.20.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value1173811364110051095310679106421039810798103019793927597189271881083697484753668636165559651744846464047244260
Percentage of StockholdersEquity105.0106.0105.9107.6109.2110.4107.1108.4106.9107.6107.9106.0105.6102.8104.0110.4108.6101.692.995.796.590.490.997.50.0
Percentage of Assets40.539.938.940.240.439.036.738.937.937.436.438.738.437.035.736.335.733.329.730.030.134.031.929.10.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312014-12-312009-12-312008-12-312007-12-31
Value-1.4-1.4-41.6-41.6-41.5-110.2-56.5-33.4-153.2-94.2-16.7-42.7-17.4-17.4-61.7
Percentage of StockholdersEquity-0.0-0.0-0.4-0.4-0.4-1.1-0.6-0.4-1.7-1.1-0.2-0.6-0.3-0.40.0
Percentage of Assets-0.0-0.0-0.2-0.2-0.2-0.4-0.2-0.1-0.6-0.4-0.1-0.2-0.1-0.10.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent us-gaap:StatementBusinessSegments

us-gaap:AssetsCurrent

pcar:TruckPartsAndOther


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value878083387769744370447405801680517632722571637069674364056082598054405036473848695538539252995817575452255200547051424918506651884719463944124838
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.329.327.527.326.727.128.329.028.127.628.128.227.926.925.925.924.723.923.023.225.825.225.127.026.925.725.226.024.623.924.425.524.624.623.728.2
Percentage of Assets pcar:TruckPartsAndOther65.364.362.462.362.063.665.266.364.964.264.664.264.162.959.459.658.157.456.156.760.259.759.863.563.161.659.859.156.255.055.758.057.057.256.362.3

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:StatementBusinessSegments

us-gaap:CashAndCashEquivalentsAtCarryingValue

pcar:FinancialServices


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value10190134125107921671341551091561229578109108119761346594828674857772108757892801005969655791116657258
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.50.50.40.30.60.50.60.40.60.50.40.30.50.50.50.40.60.30.40.40.40.30.40.40.40.50.40.40.40.40.50.30.40.40.30.50.70.40.40.4
Percentage of Assets pcar:FinancialServices0.60.60.90.80.70.61.00.91.00.71.10.90.70.60.80.80.90.61.10.50.80.70.70.60.70.70.60.90.60.70.80.70.90.60.60.60.60.91.20.70.80.7

pcar:TruckPartsAndOther


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value296832303405321830203231400735353063273332792792241124252254220517601688178117221970176519292051187714871665154013041211165716301341120212031990
Percentage of CashAndCashEquivalentsAtCarryingValue2936.43588.92529.72566.92799.03512.12388.12632.31970.42496.02092.72288.52530.43085.92051.72041.91470.42218.51329.62625.52096.72144.62231.12765.42198.71921.62296.71420.71728.21539.01794.02038.01329.02027.21738.71714.6
Percentage of Assets10.211.312.011.811.411.814.112.711.310.412.911.110.010.29.69.58.08.08.68.29.28.39.19.58.87.38.17.36.25.98.08.07.06.46.511.6
Percentage of Assets pcar:TruckPartsAndOther22.124.927.326.926.627.732.629.126.124.329.625.322.923.822.022.018.819.221.120.021.419.521.822.420.617.519.116.614.313.518.218.216.214.815.425.6

Marketable Securities Current

us-gaap:MarketableSecuritiesCurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:MarketableSecuritiesCurrent

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Marketable
Period End2021-06-30
Value85
Percentage of MarketableSecuritiesCurrent100.0
Percentage of Assets0.3
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Marketable
Period End2021-06-30
Value1348
Percentage of MarketableSecuritiesCurrent1572.0
Percentage of Assets4.6
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring0.0

us-gaap:MarketableSecuritiesCurrent us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Marketable
Period End2021-06-30
Value1434
Percentage of MarketableSecuritiesCurrent1672.0
Percentage of Assets4.9
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.0

us-gaap:MarketableSecuritiesCurrent us-gaap:StatementBusinessSegments

pcar:TruckPartsAndOther


Marketable
Period End2021-06-302020-12-31
Value14341429
Percentage of MarketableSecuritiesCurrent1672.00.0
Percentage of Assets4.95.1
Percentage of Assets pcar:TruckPartsAndOther10.711.5

Receivables Net Current

us-gaap:ReceivablesNetCurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:ReceivablesNetCurrent

pcar:OtherReceivables


Receivables
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value254251210165127139165172134142
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.90.80.70.60.70.80.80.70.8
Percentage of Assets pcar:OtherReceivables0.00.00.00.00.00.00.00.00.00.0

us-gaap:TradeAccountsReceivable


Receivables
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value94210551103962734739882847768835
Percentage of ReceivablesNetCurrent370.0420.2523.5579.9575.7528.8534.7492.8572.7586.7
Percentage of Assets3.33.74.34.13.63.54.34.14.14.9
Percentage of Assets us-gaap:TradeAccountsReceivable0.00.00.00.00.00.00.00.00.00.0

us-gaap:ReceivablesNetCurrent us-gaap:StatementBusinessSegments

pcar:TruckPartsAndOther


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value15251649119713641248127713061729171117361314160815461468112713231281114586210251070106687911181228130410471313123211861019109310151096902977
Percentage of ReceivablesNetCurrent0.00.0470.00.00.00.0520.20.00.00.0623.50.00.00.0679.90.00.00.0675.70.00.00.0628.80.00.00.0634.60.00.00.0592.80.00.00.0672.7686.7
Percentage of Assets5.35.84.25.04.74.74.66.26.36.65.26.46.46.24.85.75.85.44.24.95.05.04.25.25.76.45.16.25.95.84.95.45.35.84.85.7
Percentage of Assets pcar:TruckPartsAndOther11.312.79.611.411.011.010.614.214.615.411.914.614.714.411.013.213.713.110.211.911.611.89.912.213.515.412.014.213.513.311.212.212.313.511.512.6

Inventory Net

us-gaap:InventoryNet us-gaap:StatementBusinessSegments

us-gaap:InventoryNet

pcar:TruckPartsAndOther


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value20541465122111241136127011531292133612721184129212581068928983885772727824824829796893888865925988969958813893832818782710
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.15.14.34.14.34.74.14.74.94.94.65.15.24.54.04.34.03.73.53.93.83.93.84.24.14.34.54.74.64.73.94.44.34.34.24.1
Percentage of Assets pcar:TruckPartsAndOther15.311.39.89.410.010.99.410.611.411.310.711.712.010.59.19.89.58.88.69.69.09.29.09.79.710.210.610.710.610.78.910.010.110.110.09.1

Inventory Finished Goods

us-gaap:InventoryFinishedGoods us-gaap:StatementBusinessSegments

us-gaap:InventoryFinishedGoods

pcar:TruckPartsAndOther


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value646623610627638665584629646641563637590602515574518465452488505513443513478504512589580592440480460446432436
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.22.22.22.32.42.42.12.32.42.52.22.52.42.52.22.52.32.22.22.32.42.42.12.42.22.52.52.82.82.92.12.42.42.42.32.5
Percentage of Assets pcar:TruckPartsAndOther4.84.84.95.25.65.74.85.25.55.75.15.85.65.95.05.75.55.35.45.75.55.75.05.65.25.95.96.46.36.64.85.45.65.55.55.6

Inventory L I F O Reserve

us-gaap:InventoryLIFOReserve us-gaap:StatementBusinessSegments

us-gaap:InventoryLIFOReserve

pcar:TruckPartsAndOther


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value194191190188187186186185184183181179178175173172172170169173175175176174175174174173172172172170170170169165
Percentage of InventoryLIFOReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.70.70.70.70.70.70.70.70.70.70.70.70.70.70.80.80.80.80.80.80.80.80.80.90.80.80.80.80.80.80.90.90.91.0
Percentage of Assets pcar:TruckPartsAndOther1.41.51.51.61.61.61.51.51.61.61.61.61.71.71.71.71.81.92.02.01.91.92.01.91.92.12.01.91.91.91.91.92.12.12.22.1

Other Assets Current

us-gaap:OtherAssetsCurrent us-gaap:StatementBusinessSegments

us-gaap:OtherAssetsCurrent

pcar:TruckPartsAndOther


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value796572515541492529388387403401364376492396404252269223225218245266245355363340290308301312308370349345331249
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.72.01.82.01.91.91.41.41.51.51.41.52.01.71.71.11.21.11.11.01.11.21.21.71.71.71.41.51.41.51.51.81.81.81.81.5
Percentage of Assets pcar:TruckPartsAndOther5.94.44.14.54.34.53.23.23.43.63.33.44.73.94.02.52.92.62.72.52.72.92.83.94.04.03.33.33.33.53.44.14.24.34.23.2

Land

us-gaap:Land us-gaap:StatementBusinessSegments

us-gaap:Land

pcar:TruckPartsAndOther


Landus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value286271265263221222239238231211
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.01.01.11.11.11.21.21.21.2
Percentage of Assets pcar:TruckPartsAndOther2.32.22.42.62.62.52.72.62.92.7

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross us-gaap:StatementBusinessSegments

us-gaap:PropertyPlantAndEquipmentGross

pcar:TruckPartsAndOther


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value7077639357875614499347694814493045374090
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.022.522.724.024.222.623.323.824.423.8
Percentage of Assets pcar:TruckPartsAndOther56.852.052.254.859.153.955.354.257.952.6

Construction In Progress Gross

us-gaap:ConstructionInProgressGross us-gaap:StatementBusinessSegments

us-gaap:ConstructionInProgressGross

pcar:TruckPartsAndOther


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1081741308253352248175321667552
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.82.61.21.11.71.20.91.53.63.2
Percentage of Assets pcar:TruckPartsAndOther8.76.02.82.54.22.82.03.58.57.1

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:StatementBusinessSegments

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

pcar:TruckPartsAndOther


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3806351033063149273325922501241722242117
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.512.413.013.413.212.312.111.711.912.3
Percentage of Assets pcar:TruckPartsAndOther30.628.629.830.832.429.328.726.628.427.2

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value3270288324802464226021762313251323121973167317571782
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.610.29.710.511.010.311.212.112.411.511.812.111.0

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementBusinessSegments

pcar:TruckPartsAndOther


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value331832423270313730252925288326902624252124802443239724542464238923252270226022512210220721762140216221572313238324992508251324602390233323121973
Percentage of PropertyPlantAndEquipmentNet0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0100.0
Percentage of Assets11.411.411.611.511.510.710.29.79.79.69.79.79.910.310.510.310.510.811.010.710.310.310.39.910.110.611.211.312.012.212.112.112.412.412.411.5
Percentage of Assets pcar:TruckPartsAndOther24.725.026.226.226.625.123.522.122.322.422.422.222.824.124.123.824.825.926.826.224.024.424.623.423.725.426.625.727.328.127.627.528.928.829.525.4

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical

country:BE


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value596395237259
Percentage of PropertyPlantAndEquipmentNet18.213.79.610.5
Percentage of Assets2.11.40.91.1
Percentage of Assets country:BE0.00.00.00.0

country:NL


Property
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
Value499399397464406438517620529467381452
Percentage of PropertyPlantAndEquipmentNet15.313.916.018.818.020.222.424.722.923.722.825.8
Percentage of Assets1.81.41.62.02.02.12.53.02.82.72.73.1
Percentage of Assets country:NL0.00.00.00.00.00.00.00.00.00.00.00.0

country:US


Property
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
Value1633155613531238118711401132118311821059846814
Percentage of PropertyPlantAndEquipmentNet49.954.054.650.252.552.448.947.151.153.750.646.3
Percentage of Assets5.85.55.35.35.85.45.55.76.36.25.95.6
Percentage of Assets country:US0.00.00.00.00.00.00.00.00.00.00.00.0

pcar:OtherCountries


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value542531729761666597663710600447445490494
Percentage of PropertyPlantAndEquipmentNet16.618.429.430.929.527.428.728.326.022.726.627.927.8
Percentage of Assets1.91.92.93.23.22.83.23.43.22.63.13.43.0
Percentage of Assets pcar:OtherCountries0.00.00.00.00.00.00.00.00.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value118109112117103105128144139136
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.50.50.50.60.70.70.8

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value3936394242
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.20.2

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments

us-gaap:OtherAssets, pcar:FinancialServices


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value9.05.25.35.65.4
Percentage of OperatingLeaseRightOfUseAsset22.614.113.413.312.7
Percentage of Assets0.00.00.00.00.0
Percentage of Assets us-gaap:OtherAssets pcar:FinancialServices0.00.00.00.00.0

us-gaap:OtherNoncurrentAssets, pcar:TruckPartsAndOther


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value3031343637
Percentage of OperatingLeaseRightOfUseAsset77.485.986.686.787.3
Percentage of Assets0.10.10.10.10.1
Percentage of Assets us-gaap:OtherNoncurrentAssets pcar:TruckPartsAndOther0.00.00.00.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent us-gaap:StatementBusinessSegments

us-gaap:OtherAssetsNoncurrent

pcar:TruckPartsAndOther


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value9921016998922818815843810801744651723673685425423397393432414412393387251274255253466519518477273261284249280
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.43.63.53.43.13.03.02.92.92.82.62.92.82.91.81.81.81.92.12.01.91.81.81.21.31.31.22.22.52.52.31.31.41.51.31.6
Percentage of Assets pcar:TruckPartsAndOther7.47.88.07.77.27.06.96.76.86.65.96.66.46.74.24.24.24.55.14.84.54.44.42.73.03.02.95.05.75.85.23.13.23.53.23.6

Equity Securities Fv Ni

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

us-gaap:EquitySecuritiesFvNi

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-30
Value5300000.0
Percentage of EquitySecuritiesFvNi100.0
Percentage of Assets0.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-30
Value5300000.0
Percentage of EquitySecuritiesFvNi100.0
Percentage of Assets0.0
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.0

us-gaap:EquitySecuritiesFvNi us-gaap:StatementBusinessSegments

pcar:TruckPartsAndOther


Equity
Period End2021-06-30
Value5300000.0
Percentage of EquitySecuritiesFvNi100.0
Percentage of Assets0.0
Percentage of Assets pcar:TruckPartsAndOther0.0

Other Assets

us-gaap:OtherAssets us-gaap:StatementBusinessSegments

us-gaap:OtherAssets

pcar:FinancialServices


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value501644681844854849715867720619547620568533519569551572599620574501483579531520496488448461435405415396397436400411314361348265
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.72.32.43.13.23.12.53.12.72.42.12.52.42.22.22.52.52.72.93.02.72.32.32.72.52.62.42.32.12.22.12.02.22.12.12.32.22.31.82.22.11.9
Percentage of Assets pcar:FinancialServices3.24.14.35.55.75.44.45.64.74.23.84.44.23.93.94.44.34.74.95.04.74.13.94.74.34.44.24.23.84.03.73.63.83.73.74.13.94.13.34.14.03.4

Accounts Payable Current

us-gaap:AccountsPayableCurrent us-gaap:StatementBusinessSegments

us-gaap:AccountsPayableCurrent

pcar:TruckPartsAndOther


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value117611151304115493892911679758381098
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.23.95.14.94.54.45.74.74.56.4
Percentage of Assets pcar:TruckPartsAndOther9.49.111.811.311.110.513.410.710.714.1

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent us-gaap:StatementBusinessSegments

us-gaap:AccruedLiabilitiesCurrent

pcar:TruckPartsAndOther


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value446693626401233231213264261209
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.62.42.51.71.11.11.01.31.41.2
Percentage of Assets pcar:TruckPartsAndOther3.65.65.73.92.82.62.52.93.32.7

Dividends Payable Current

us-gaap:DividendsPayableCurrent us-gaap:StatementBusinessSegments

us-gaap:DividendsPayableCurrent

pcar:TruckPartsAndOther


Dividends
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-312013-12-31
Value2427966950.00.04220.00.00.02100.00.0492354318
Percentage of DividendsPayableCurrent100.0100.0100.00.00.0100.00.00.00.0100.00.00.0100.0100.0100.0
Percentage of Assets0.92.82.70.00.01.80.00.00.01.00.00.02.31.71.5
Percentage of Assets pcar:TruckPartsAndOther1.96.56.30.00.04.10.00.00.02.50.00.05.64.13.5

Liabilities Current

us-gaap:LiabilitiesCurrent us-gaap:StatementBusinessSegments

us-gaap:LiabilitiesCurrent

pcar:TruckPartsAndOther


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value405939613656339931363220399035393467350737223234309630162991276025542388224422953174333325642520264725012651259823402411262326682572245421682627
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.013.912.912.511.911.814.112.712.813.414.612.912.812.712.811.911.611.410.910.914.815.612.111.712.412.312.912.411.211.712.713.113.413.011.615.3
Percentage of Assets pcar:TruckPartsAndOther30.230.529.328.427.627.632.529.129.531.233.629.429.429.629.227.527.327.226.626.734.536.929.027.529.029.530.528.125.627.028.829.931.130.327.733.8

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent us-gaap:StatementBusinessSegments

us-gaap:OperatingLeaseLiabilityCurrent

pcar:TruckPartsAndOther


Operating
Period End2020-12-312019-12-31
Value1113
Percentage of OperatingLeaseLiabilityCurrent100.0100.0
Percentage of Assets0.00.0
Percentage of Assets pcar:TruckPartsAndOther0.10.1

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent us-gaap:StatementBusinessSegments

us-gaap:OtherLiabilitiesCurrent

pcar:TruckPartsAndOther


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value389334283282212243272259256315
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.21.11.21.01.21.31.31.41.8
Percentage of Assets pcar:TruckPartsAndOther3.12.72.62.82.52.83.12.93.34.1

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent us-gaap:StatementBusinessSegments

us-gaap:OtherLiabilitiesNoncurrent

pcar:TruckPartsAndOther


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value14371458148713841327139214351372133612721145105311151137939805770748739737716747720723710729718772768758734671626630579507
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.05.15.35.15.05.15.14.94.94.94.54.24.64.84.03.53.53.63.63.53.33.53.43.43.33.63.53.73.73.73.53.33.33.33.13.0
Percentage of Assets pcar:TruckPartsAndOther10.711.211.911.611.712.011.711.311.411.310.39.610.611.29.28.08.28.58.88.67.88.38.17.97.88.68.38.38.48.58.17.57.67.87.46.5

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:StatementBusinessSegments

us-gaap:OperatingLeaseLiabilityNoncurrent

pcar:TruckPartsAndOther


Operating
Period End2020-12-312019-12-31
Value2019
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0
Percentage of Assets0.10.1
Percentage of Assets pcar:TruckPartsAndOther0.20.2

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-312019-12-31
Value1010
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0
Percentage of Assets0.00.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo us-gaap:StatementBusinessSegments

pcar:FinancialServices


Lessee
Period End2020-12-312019-12-31
Value451472
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo4262.34591.3
Percentage of Assets1.61.7
Percentage of Assets pcar:FinancialServices2.92.9

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-312019-12-31
Value5.87.2
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0
Percentage of Assets0.00.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree us-gaap:StatementBusinessSegments

pcar:FinancialServices


Lessee
Period End2020-12-312019-12-31
Value252281
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree4358.63904.2
Percentage of Assets0.91.0
Percentage of Assets pcar:FinancialServices1.61.7

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-312019-12-31
Value3.23.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0
Percentage of Assets0.00.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour us-gaap:StatementBusinessSegments

pcar:FinancialServices


Lessee
Period End2020-12-312019-12-31
Value104126
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour3259.44216.7
Percentage of Assets0.40.4
Percentage of Assets pcar:FinancialServices0.70.8

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-312019-12-31
Value2.41.1
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0
Percentage of Assets0.00.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive us-gaap:StatementBusinessSegments

pcar:FinancialServices


Lessee
Period End2020-12-312019-12-31
Value3540
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive1458.33709.1
Percentage of Assets0.10.1
Percentage of Assets pcar:FinancialServices0.20.3

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-312019-12-31
Value6000000.02500000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0
Percentage of Assets0.00.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive us-gaap:StatementBusinessSegments

pcar:FinancialServices


Lessee
Period End2020-12-312019-12-31
Value5100000.06900000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive85.0276.0
Percentage of Assets0.00.0
Percentage of Assets pcar:FinancialServices0.00.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value4037404343
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.20.2

us-gaap:OperatingLeaseLiability us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments

pcar:AccountsPayableAccruedExpenseAndOther, pcar:FinancialServices


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value2.01.51.51.51.4
Percentage of OperatingLeaseLiability5.04.03.73.53.2
Percentage of Assets0.00.00.00.00.0
Percentage of Assets pcar:AccountsPayableAccruedExpenseAndOther pcar:FinancialServices0.00.00.00.00.0

pcar:DeferredTaxesAndOtherLiabilities, pcar:FinancialServices


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value6.63.73.94.14.1
Percentage of OperatingLeaseLiability16.49.89.69.59.4
Percentage of Assets0.00.00.00.00.0
Percentage of Assets pcar:DeferredTaxesAndOtherLiabilities pcar:FinancialServices0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value41
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value1400000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value1118310717103901018497769637970699629635910585929171877985678050793575007079677769786709634369407343721867316753716271596863663464806111594758465862571257195364559359145648535751034846
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.537.636.837.437.035.334.235.935.534.833.736.536.336.034.334.334.033.632.833.331.329.732.934.133.733.132.834.134.233.332.031.931.831.631.431.431.331.531.234.236.337.337.635.029.8

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-312018-12-31
Value-4.650
Percentage of StockholdersEquity-0.00.6
Percentage of Assets-0.00.2
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-558.0-568.3-578.1-482.8-485.6-494.2-517.7-461.7-470.0-477.2-477.8-349.7-357.5-373.6-375.6-412.9-412.9-411.5-414.1-368.3-375.2-385.8-390.4-405.5-417.5-418.2-433.1-262.2
Percentage of StockholdersEquity-5.0-5.3-5.6-4.7-5.0-5.1-5.3-4.6-4.9-5.2-5.6-3.8-4.1-4.4-4.7-5.2-5.5-5.8-6.1-5.3-5.6-6.1-5.6-5.5-5.8-6.2-6.4-4.0
Percentage of Assets-1.9-2.0-2.0-1.8-1.8-1.8-1.8-1.7-1.7-1.8-1.9-1.4-1.5-1.6-1.6-1.8-1.9-2.0-2.0-1.8-1.8-1.8-1.8-1.9-1.9-2.1-2.1-1.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value-14.0-11.0-29.2-13.41.126-15.3-19.8-10.0-9.62.0-2.93.5-1.31.2-4.2-5.4-13.9-4.3-6.4
Percentage of StockholdersEquity-0.1-0.1-0.3-0.10.00.3-0.2-0.2-0.1-0.10.0-0.00.0-0.00.0-0.1-0.1-0.2-0.1-0.1
Percentage of Assets-0.0-0.0-0.1-0.00.00.1-0.1-0.1-0.0-0.00.0-0.00.0-0.00.0-0.0-0.0-0.1-0.0-0.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value8.09.61415154.56.16.56.32.3-2.3-4.5-3.4-3.8-1.81.11.41.8-0.33.66.14.32.13.53.55.65.31.7
Percentage of StockholdersEquity0.10.10.10.20.20.00.10.10.10.0-0.0-0.0-0.0-0.0-0.00.00.00.0-0.00.10.10.10.00.00.00.10.10.0
Percentage of Assets0.00.00.10.10.10.00.00.00.00.0-0.0-0.0-0.0-0.0-0.00.00.00.0-0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-1029.6-1116.4-1050.3-1189.0-1289.9-1383.9-1100.1-1190.0-1062.2-1095.5-1098.5-895.0-893.7-718.3-793.6-816.2-925.2-1058.0-1128.1-926.7-927.1-889.2-1017.0-958.2-809.6-917.3-579.88.7-159.5-219.04136-269.8408
Percentage of StockholdersEquity-9.2-10.4-10.1-11.7-13.2-14.4-11.3-11.9-11.0-12.0-12.8-9.8-10.2-8.4-9.9-10.3-12.3-14.9-16.6-13.3-13.8-14.0-14.7-13.0-11.2-13.6-8.60.1-2.7-4.10.80.7-5.60.0
Percentage of Assets-3.5-3.9-3.7-4.4-4.9-5.1-3.9-4.3-3.9-4.2-4.3-3.6-3.7-3.0-3.4-3.5-4.2-5.0-5.5-4.4-4.3-4.2-4.8-4.5-3.8-4.5-2.80.0-0.9-1.30.30.2-1.70.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-465.6-546.7-457.6-708.3-820.9-920.3-573.2-715.0-588.5-611.0-620.4-537.9-536.3-339.6-417.4-400.2-508.3-634.4-709.4-560.9-554.0-496.8-622.3-547.9-384.5-491.4-138.5284
Percentage of StockholdersEquity-4.2-5.1-4.4-7.0-8.4-9.5-5.9-7.2-6.1-6.7-7.2-5.9-6.1-4.0-5.2-5.0-6.8-9.0-10.5-8.0-8.3-7.8-9.0-7.5-5.3-7.3-2.14.3
Percentage of Assets-1.6-1.9-1.6-2.6-3.1-3.4-2.0-2.6-2.2-2.3-2.4-2.1-2.2-1.4-1.8-1.7-2.3-3.0-3.4-2.7-2.6-2.3-2.9-2.5-1.8-2.4-0.71.4
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value12812488114827461116105946914814314012370691561065652105804637
Percentage of StockholdersEquity1.21.20.91.10.80.80.61.21.11.00.81.61.61.61.51.01.02.31.61.01.02.01.61.00.0
Percentage of Assets0.40.40.30.40.30.30.20.40.40.40.30.60.60.60.50.30.30.80.50.30.30.70.50.30.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value347347346347346346346347347347346352352352351350351355354353356365364363368
Percentage of StockholdersEquity3.13.23.33.43.53.63.63.53.63.84.03.84.04.14.45.25.15.35.36.06.76.87.17.50.0
Percentage of Assets1.21.21.21.31.31.31.21.31.31.31.41.41.51.51.51.71.71.71.71.92.12.62.52.20.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value1173811364110051095310679106421039810798103019793927597189271881083697484753668636165559651744846464047244260
Percentage of StockholdersEquity105.0106.0105.9107.6109.2110.4107.1108.4106.9107.6107.9106.0105.6102.8104.0110.4108.6101.692.995.796.590.490.997.50.0
Percentage of Assets40.539.938.940.240.439.036.738.937.937.436.438.738.437.035.736.335.733.329.730.030.134.031.929.10.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312014-12-312009-12-312008-12-312007-12-31
Value-1.4-1.4-41.6-41.6-41.5-110.2-56.5-33.4-153.2-94.2-16.7-42.7-17.4-17.4-61.7
Percentage of StockholdersEquity-0.0-0.0-0.4-0.4-0.4-1.1-0.6-0.4-1.7-1.1-0.2-0.6-0.3-0.40.0
Percentage of Assets-0.0-0.0-0.2-0.2-0.2-0.4-0.2-0.1-0.6-0.4-0.1-0.2-0.1-0.10.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value347347346347346346346347347347346352352352351351351351350351351351351355354354355354354354354354353353353357357357356365365365365364
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.21.21.31.31.31.21.31.31.31.41.41.51.51.51.51.61.71.71.71.61.61.71.61.71.71.71.71.71.71.71.71.81.91.91.92.02.02.12.22.22.42.62.5

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12812488114827461116105946914814314012310998957092867969146140130156138131126106968470567166635212111711410580
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.30.40.30.30.20.40.40.40.30.60.60.60.50.50.40.50.30.40.40.40.30.70.70.60.80.70.60.60.50.50.40.40.30.40.40.40.30.70.70.80.70.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11738113641100510953106791064210398107981030197939275971892718810836982907975769074847516725468577536787975337164686369026609636861656221598357625596575556635437517454075191499548464640
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.539.938.940.240.439.036.738.937.937.436.438.738.437.035.735.936.236.636.335.833.932.135.736.635.235.233.332.831.630.929.730.631.230.630.030.831.029.930.133.131.833.034.031.9

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-1029.6-1116.4-1050.3-1189.0-1289.9-1383.9-1100.1-1190.0-1062.2-1095.5-1098.5-895.0-893.7-718.3-793.6-816.2-925.2-1058.0-1128.1-926.7-927.1-889.2-1017.0-958.2-809.6-917.3-579.8-198.663148.7-191.1-309.9-239.0-159.5-160.6-235.9-123.9-219.0-31.02391734136-269.8
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-3.5-3.9-3.7-4.4-4.9-5.1-3.9-4.3-3.9-4.2-4.3-3.6-3.7-3.0-3.4-3.5-4.2-5.0-5.5-4.4-4.3-4.2-4.8-4.5-3.8-4.5-2.8-0.90.30.10.0-0.9-1.6-1.3-0.9-0.9-1.3-0.7-1.3-0.21.51.10.30.2-1.7

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-09-302018-09-302018-06-302017-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value1.41.441153940.05656560.07842
Percentage of TreasuryStockValue100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0
Percentage of Assets0.00.00.20.60.40.00.30.30.30.00.40.2

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3305367948319344259437278263631065728673525893637675547768384602472317126441359332459388363514285
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 Revenues5.79.214.316.830.58.315.411.412.55.617.012.711.69.316.412.614.712.717.99.815.112.47.12.69.18.48.414.012.714.320.912.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-451.0-215.7-841.5-440.2-214.3-379.8-650.9-431.1-724.7-400.7-654.2-531.3-689.1-56.1-825.1-369.2-686.9-526.1-596.5-341.5-925.8-581.8-715.3-365.1-633.7-383.4-551.2-850.7-310.3-143.8-53.540
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 Revenues-7.7-3.7-15.1-8.9-7.0-7.4-10.6-6.8-10.9-6.2-10.4-9.2-11.9-1.0-15.1-7.3-14.9-12.2-13.9-8.7-23.2-15.2-16.0-7.6-13.1-9.0-13.9-25.9-10.2-5.7-2.21.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-143.2-508.3179-209.6-944.7-833.7172193268-550.313421460-339.3-24.51385322135-37.4-170.511524122433149373-10.4-99.1-187.0-323.5-350.8
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 Revenues-2.5-8.73.2-4.2-30.9-16.22.83.04.0-8.52.13.71.0-6.0-0.42.71.25.20.8-1.0-4.33.05.40.58.93.59.4-0.3-3.2-7.4-13.1-15.7

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-250.2-219.6195216-195.1-852.0505450376-593.3521
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-4.3-3.83.54.4-6.4-16.58.37.15.7-9.18.3

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value666663635270798081818275869386837773717579757075757083
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value56926960-27.4-153.5169-159.8-13.55592-94.538253135-57.9819234-71.5-4.91.910-89.4268.5-10.0-30.1678.8143-77.7462247-139.5248096-10.6201433418-2.5
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3305367948319344259437278263631065728673525893637675547768384602472317126441359332459388363514285
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 Revenues5.79.214.316.830.58.315.411.412.55.617.012.711.69.316.412.614.712.717.99.815.112.47.12.69.18.48.414.012.714.320.912.8

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
Value492470405385147359531607619629578545559512589402373310288346481-594.63474314473783943713192733343092912362532332973273272812391931691199968
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 Revenues8.48.07.37.84.87.08.79.59.39.79.29.59.69.110.88.07.97.37.18.110.9-13.88.08.98.87.87.77.57.06.37.37.26.86.06.36.16.76.96.86.66.15.95.64.74.03.1

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

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-15.67.9-77.1-32.4-12.257-50.629-7.8-11.1261.072-9.3-3.1-21.0-36.7
Percentage of NetIncomeLoss-3.21.7-19.0-8.4-8.315.9-9.54.9-1.3-1.84.50.213.0-1.8-0.5-5.2-9.8
Percentage of Revenues-0.30.1-1.4-0.7-0.41.1-0.80.5-0.1-0.20.40.01.3-0.2-0.1-0.4-0.8
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value0.40.50.60.40.50.30.10.10.1-0.1-0.10.00.30.00.10.10.20.11.8-0.30.50.50.2-0.20.60.3
Percentage of NetIncomeLoss0.10.10.10.10.30.10.00.00.0-0.0-0.00.00.10.00.00.00.10.00.5-0.1-0.10.10.0-0.00.20.1
Percentage of Revenues0.00.00.00.00.00.00.00.00.0-0.0-0.00.00.00.00.00.00.00.00.0-0.00.00.00.0-0.00.00.0
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents

pcar:TruckPartsAndOther, pcar:AccumulatedDefinedBenefitPlansAdjustmentNetSettlementLoss


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-11.9-11.0-9.2-9.8-13.5-4.1-4.8-3.7
Percentage of NetIncomeLoss-2.4-2.3-2.4-6.6-3.8-0.7-0.8-0.6
Percentage of Revenues-0.2-0.2-0.2-0.3-0.3-0.1-0.1-0.1
Percentage of Revenues pcar:TruckPartsAndOther pcar:AccumulatedDefinedBenefitPlansAdjustmentNetSettlementLoss0.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value492470405385147359531607619629578545559512
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.48.07.37.84.87.08.79.59.39.79.29.59.69.1
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value492470405385147359531607619629578545559512
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.48.07.37.84.87.08.79.59.39.79.29.59.69.1

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-451.0-215.7-841.5-440.2-214.3-379.8-650.9-431.1-724.7-400.7-654.2-531.3-689.1-56.1-825.1-369.2-686.9-526.1-596.5-341.5-925.8-581.8-715.3-365.1-633.7-383.4-551.2-850.7-310.3-143.8-53.540
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 Revenues-7.7-3.7-15.1-8.9-7.0-7.4-10.6-6.8-10.9-6.2-10.4-9.2-11.9-1.0-15.1-7.3-14.9-12.2-13.9-8.7-23.2-15.2-16.0-7.6-13.1-9.0-13.9-25.9-10.2-5.7-2.21.8

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value12711412411413517618613714710212311212398127107959213390747799884454697077801321081311381801251387012697556252682126
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-143.2-508.3179-209.6-944.7-833.7172193268-550.313421460-339.3-24.51385322135-37.4-170.511524122433149373-10.4-99.1-187.0-323.5-350.8
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 Revenues-2.5-8.73.2-4.2-30.9-16.22.83.04.0-8.52.13.71.0-6.0-0.42.71.25.20.8-1.0-4.33.05.40.58.93.59.4-0.3-3.2-7.4-13.1-15.7

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value537892118556764710448602817636254757929398299411547412130497840525566307525543843159401125053984550025037694163310058334613566
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value9746914794065444671125608662503532576365083371198415992.5513609500311359889200.05767565503.40.05501526512023259173100793250350
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11835311011011090711011011080697989851087878729484848457684857843278787838970707070353707131464654343153323232
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312012-12-312011-12-31
Value0.01.40.50.00.1410.05323322015980130.00.00.0140.00.056130700.00.0170.087
Percentage of PaymentsForRepurchaseOfCommonStock0.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.00.0100.0100.0100.00.00.0100.00.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value22.622.60.321.30.1970.22200.2180.2390.2320.0050.1850.2220.235-0.0790.3080.3080.308-0.1350.30.255-0.384-0.0020.310.3140.326-0.0030.3280.3360.3260.0010.2970.3260.3-0.0060.3240.3340.317-0.0010.2870.3210.325-0.010.3220.330.289
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber


Share
Period 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
Value3116500.03488300.04090900.04056200.04466900.04421600.04536700.04745200.05042800.04975400.05282300.05567700.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period 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
Value64.3460.1855.3251.5748.1547.2344.2541.1138.5635.5332.1829.12
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value57059012041031895699708
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilities us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments

pcar:DeferredTaxesAndOtherLiabilities, pcar:FinancialServices


Deferred
Period End2020-12-312019-12-312014-12-312013-12-31
Value703737826859
Percentage of DeferredTaxLiabilities123.5124.90.071.4

us-gaap:OtherNoncurrentLiabilities, pcar:TruckPartsAndOther


Deferred
Period End2020-12-312019-12-312014-12-312013-12-31
Value3.55.387218
Percentage of DeferredTaxLiabilities0.60.90.018.2

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value412375330326418470451358421429370427
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value2430212217191213231843373348
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value102118118118643230432116124.0
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:ValuationAllowanceByDeferredTaxAsset

pcar:NetOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value9599897864
Percentage of DeferredTaxAssetsValuationAllowance93.684.175.266.0100.0

Proceeds From Repayments Of Short Term Debt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value410-383.5639-278.5-1059.0-133.5-79.4305444-113.9526-130.2-54.228490-75.031818-39.2105-271.3-117.9243-98.9454-347.9-246.2351-105.0348-127.2-254.4-198.8-458.9192-49.7-482.3-25.9652-17.9861146326-156.2-386.5-331.6
Percentage of ProceedsFromRepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:DepreciationAndAmortizationEquipmentOnOperatingLeasesAndOther

pcar:DepreciationAndAmortizationEquipmentOnOperatingLeasesAndOther


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value163184205202188202205191180177177
Percentage of DepreciationAndAmortizationEquipmentOnOperatingLeasesAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:DepreciationOnEquipmentOnOperatingLeaseAndOtherVehicleRelatedExpenseAndOtherExpense us-gaap:ProductOrService

pcar:DepreciationOnEquipmentOnOperatingLeaseAndOtherVehicleRelatedExpenseAndOtherExpense

pcar:FinancialServices


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
Value280278292262224229241195183177177178185186188186172
Percentage of DepreciationOnEquipmentOnOperatingLeaseAndOtherVehicleRelatedExpenseAndOtherExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:DepreciationOnEquipmentOnOperatingLeaseAndOtherVehicleRelatedExpenseAndOtherExpense us-gaap:StatementBusinessSegments

pcar:FinancialServices


Depreciation
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value292262224229241195183177177178185186188186172179165162156150144152145140148147148144148140138144149127121118123123119110109110110
Percentage of DepreciationOnEquipmentOnOperatingLeaseAndOtherVehicleRelatedExpenseAndOtherExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pcar:EstimatedTruckSalesReturnedLiabilities

pcar:EstimatedTruckSalesReturnedLiabilities


Estimated
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value64-2.2526481364376
Percentage of EstimatedTruckSalesReturnedLiabilities100.0100.0100.0100.0100.0100.0100.0

pcar:ExtendedProductWarrantyCurrencyTranslation us-gaap:StatementBusinessSegments

pcar:ExtendedProductWarrantyCurrencyTranslation

pcar:TruckPartsAndOther


Extended
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.7-10.017144.5-13.014-14.01.1-3.1-5.3
Percentage of ExtendedProductWarrantyCurrencyTranslation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:ExtendedProductWarrantyDeferredRevenues us-gaap:StatementBusinessSegments

pcar:ExtendedProductWarrantyDeferredRevenues

pcar:TruckPartsAndOther


Extended
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value11611611610579107120127121129117
Percentage of ExtendedProductWarrantyDeferredRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:ExtendedProductWarrantyRevenuesRecognized us-gaap:StatementBusinessSegments

pcar:ExtendedProductWarrantyRevenuesRecognized

pcar:TruckPartsAndOther


Extended
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value12111711611210210710298989696
Percentage of ExtendedProductWarrantyRevenuesRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:FinancingReceivableAllowanceForCreditLossesCurrencyTranslationAndOther us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments

pcar:FinancingReceivableAllowanceForCreditLossesCurrencyTranslationAndOther

pcar:AllOther, pcar:FinancialServices


Financing
Period End2021-03-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-100000.00100000.0-300000.00-200000.0-200000.0200000.0200000.0200000.0400000.00-300000.0-100000.0-100000.0400000.0-300000.0100000.0100000.0600000.0-1500000.0
Percentage of FinancingReceivableAllowanceForCreditLossesCurrencyTranslationAndOther100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:CustomerRetail, pcar:FinancialServices


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value900000.0-1300000.03600000.01400000.01500000.0-4700000.01700000.0-1600000.0400000.0200000.0-1100000.0500000.0-2700000.01100000.0-800000.0700000.01800000.02000000.0-2000000.0-200000.0-1600000.01200000.0-600000.0-1900000.01000000.0-4700000.0-1200000.0-4400000.0
Percentage of FinancingReceivableAllowanceForCreditLossesCurrencyTranslationAndOther0.01300.00.00.01500.01566.70.00.00.00.00.0-250.01350.0550.0-400.0350.0450.00.0666.7200.01600.0300.0200.0-1900.01000.0-783.380.00.0

pcar:FinancingReceivableAllowanceForCreditLossesCurrencyTranslationAndOther us-gaap:StatementBusinessSegments

pcar:FinancialServices


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-09-302013-06-302013-03-31
Value1000000.0-1400000.03900000.01600000.01700000.0-5300000.01700000.0-1700000.0400000.0200000.0-1400000.0400000.0-3100000.01400000.0-800000.01100000.02600000.02200000.0-2700000.0-200000.0-1800000.01900000.0-1000000.0-1900000.01200000.0-4800000.0-3000000.0-4200000.01100000.0-1900000.0-100000.0
Percentage of FinancingReceivableAllowanceForCreditLossesCurrencyTranslationAndOther0.01400.00.00.01700.01766.70.00.00.00.00.0-200.01550.0700.0-400.0550.0650.00.0900.0200.01800.0475.0333.3-1900.01200.0-800.0200.00.00.00.00.0

pcar:FinancingReceivableModificationsPostModificationAmortizedCostBasis us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

pcar:FinancingReceivableModificationsPostModificationAmortizedCostBasis

pcar:CustomerRetail, pcar:FinancialServices, pcar:Fleet


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.24.5267.515230.01.60.00.6
Percentage of FinancingReceivableModificationsPostModificationAmortizedCostBasis100.0100.0100.0100.0100.0100.00.0100.00.0100.0

pcar:CustomerRetail, pcar:FinancialServices, pcar:OwnerOperator


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.10.90.01.11.00.10.00.10.00.2
Percentage of FinancingReceivableModificationsPostModificationAmortizedCostBasis50.020.00.014.76.40.40.06.20.033.3

pcar:FinancingReceivableModificationsPostModificationAmortizedCostBasis us-gaap:StatementBusinessSegments

pcar:FinancialServices


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.35.4268.616230.01.70.00.8
Percentage of FinancingReceivableModificationsPostModificationAmortizedCostBasis150.0120.0100.0114.7106.4100.40.0106.20.0133.3

pcar:FinancingReceivableModificationsPreModificationAmortizedCostBasis us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

pcar:FinancingReceivableModificationsPreModificationAmortizedCostBasis

pcar:CustomerRetail, pcar:FinancialServices, pcar:Fleet


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.24.6267.515230.01.60.00.6
Percentage of FinancingReceivableModificationsPreModificationAmortizedCostBasis100.0100.0100.0100.0100.0100.00.0100.00.0100.0

pcar:CustomerRetail, pcar:FinancialServices, pcar:OwnerOperator


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.10.90.01.11.00.10.00.10.00.2
Percentage of FinancingReceivableModificationsPreModificationAmortizedCostBasis50.019.60.014.76.40.40.06.20.033.3

pcar:FinancingReceivableModificationsPreModificationAmortizedCostBasis us-gaap:StatementBusinessSegments

pcar:FinancialServices


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.35.5268.616230.01.70.00.8
Percentage of FinancingReceivableModificationsPreModificationAmortizedCostBasis150.0119.6100.0114.7106.4100.40.0106.20.0133.3

pcar:IncreaseDecreaseInWholesaleReceivables

pcar:IncreaseDecreaseInWholesaleReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-136.6-26.8-85.5-91.0-701.56.847151-81.74021371401.5233-44.31409580-189.814-152.3-73.7-93.913137215142155-122.958-124.81405214-171.1-80.0-0.125712221813475761.9-77.90.5
Percentage of IncreaseDecreaseInWholesaleReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:IncreaseDecreaseInWholesaleReceivablesOnUsedEquipment

pcar:IncreaseDecreaseInWholesaleReceivablesOnUsedEquipment


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-1.7-17.4-30.9-30.5-21.029171518-4.3-4.4206.5-21.811-14.7-0.4-1.2-4.18.8-7.7-6.55.37.6101.66.5-3.0-11.46.80.77.9-4.8-10.3
Percentage of IncreaseDecreaseInWholesaleReceivablesOnUsedEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:InterestAndOtherBorrowingExpense us-gaap:DerivativeInstrumentRisk, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents

pcar:InterestAndOtherBorrowingExpense

us-gaap:InterestRateContract, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, pcar:FinancialServices, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


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
Value12-22.7815030-67.755-35.05.06.7-32.2-3.7-92.19.35.22440
Percentage of InterestAndOtherBorrowingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:InterestAndOtherBorrowingExpense us-gaap:ProductOrService

pcar:FinancialServices


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
Value3742434546565759605350494541393837
Percentage of InterestAndOtherBorrowingExpense308.2-185.053.689.5154.3-83.3103.0-170.31200.0797.0-158.1-1324.3-49.6444.1765.4155.793.5

pcar:InterestAndOtherBorrowingExpense us-gaap:StatementBusinessSegments

pcar:FinancialServices


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value4345465657596053504945413938373432323230302929293032333639373938
Percentage of InterestAndOtherBorrowingExpense53.689.5154.3-83.3103.0-170.31200.0797.0-158.1-1324.3-49.6444.1765.4155.793.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

pcar:PaymentToAcquireCommitmentRelatedToLeaseValue

pcar:PaymentToAcquireCommitmentRelatedToLeaseValue


Payment
Period End2021-06-302021-03-31
Value-20.6317
Percentage of PaymentToAcquireCommitmentRelatedToLeaseValue100.0100.0

pcar:PaymentToAcquireCommitmentValue

pcar:PaymentToAcquireCommitmentValue


Payment
Period End2021-06-302021-03-312020-12-31
Value25120367
Percentage of PaymentToAcquireCommitmentValue100.0100.0100.0

pcar:SalesReturnsLiabilitiesInEstimatedReturns

pcar:SalesReturnsLiabilitiesInEstimatedReturns


Sales
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.41.8136100.85.8109
Percentage of SalesReturnsLiabilitiesInEstimatedReturns100.0100.0100.0100.0100.0100.0100.0

pcar:SalesTypeAndDirectFinancingLeasesLeaseIncome us-gaap:StatementBusinessSegments

pcar:SalesTypeAndDirectFinancingLeasesLeaseIncome

pcar:FinancialServices


Sales
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value48475045454791353735
Percentage of SalesTypeAndDirectFinancingLeasesLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:StandardProductWarrantyAccrualCurrencyTranslationAndOther us-gaap:StatementBusinessSegments

pcar:StandardProductWarrantyAccrualCurrencyTranslationAndOther

pcar:TruckPartsAndOther


Standard
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.1-2.57.74.71.5-6.14.4-6.2-0.5-0.3-2.1-1.0-7.46.20.84.06.52.1
Percentage of StandardProductWarrantyAccrualCurrencyTranslationAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:TrucksRightOfReturnLiabilities

pcar:TrucksRightOfReturnLiabilities


Trucks
Period End2021-06-302021-03-31
Value15681
Percentage of TrucksRightOfReturnLiabilities100.0100.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CashFlowHedging


Cash
Period End2021-06-302021-03-312020-12-31
Value6.25.811
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain us-gaap:StatementBusinessSegments

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

pcar:TruckPartsAndOther


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value600000.0600000.0800000.0700000.0700000.0500000.0300000.0600000.0200000.0200000.00200000.00900000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedGain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss us-gaap:StatementBusinessSegments

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

pcar:TruckPartsAndOther


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0100000.000100000.0200000.00200000.0100000.0100000.0100000.0200000.00500000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedLoss0.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-15300000.0-14200000.0-11100000.0-11100000.0-11700000.0-10300000.0-5200000.0-5000000.0-5900000.0-4400000.0-8800000.0-8700000.0-10100000.0-7700000.0-6500000.0-6300000.0-5900000.0-6700000.0-6900000.0-6900000.0-7400000.0-6500000.0-10200000.0-10300000.0-10500000.0-10100000.0-5100000.0-5300000.0-5200000.0-5200000.0-11000000.0-11000000.0-11100000.0-10900000.0-6800000.0-10800000.0-11000000.0-10600000.0-7000000.0-4500000.0-6800000.0-6400000.0-3800000.0-3700000.0-3600000.0-3600000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value200000.0200000.0400000.0400000.0300000.0400000.0300000.0400000.0300000.0400000.0400000.0300000.0300000.0400000.0300000.0300000.0300000.0300000.0300000.0300000.0300000.0300000.0400000.0300000.0300000.0300000.0300000.0300000.0300000.0300000.0400000.0300000.0300000.0300000.0300000.0300000.0400000.0400000.0500000.0300000.0300000.0400000.0500000.0400000.0400000.0500000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value51514847474744434344444344444040393934353635353535343132323230292929282727272626262625242424
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DefinedBenefitPlanInterestCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value16162020202023232423212121212020202023232423232323222223232320202020202020201921201919191819
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value20151918182310.010138.61313131310108.8111717181621212220121313132020192020191920121113118.38.07.68.4
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1


Defined
Period End2020-12-312020-09-302020-06-302020-03-31
Value-3100000.0-500000.0-1000000.0-7000000.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DefinedBenefitPlanServiceCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3936323232322425272426272628232322232122222122222421161717171818171816161417101111119.79.39.19.4
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value230251269266241272284272261259259252268273293286269259247250252242227230227221240230227219222206197184178176176169168174169162154151151165
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization us-gaap:ProductOrService

pcar:FinancialServices


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
Value153171188184171181183169156155152152155159159155151
Percentage of DepreciationAndAmortization66.668.269.969.371.066.664.462.460.059.858.960.358.058.354.354.456.4

pcar:TruckPartsAndOther


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
Value778081817090101102104104106100112114133130117
Percentage of DepreciationAndAmortization33.431.830.130.729.033.435.637.640.040.241.139.742.041.745.745.643.6

us-gaap:DepreciationAndAmortization us-gaap:ProductOrService, us-gaap:Subsegments

pcar:TruckPartsAndOther, pcar:AllOtherSubsegments


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
Value5.35.45.05.55.25.17.64.14.64.05.04.54.44.54.45.74.2
Percentage of DepreciationAndAmortization2.32.11.92.12.21.92.71.51.81.51.91.81.61.61.52.01.6

pcar:TruckPartsAndOther, pcar:PartsSubsegment


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
Value3.02.82.83.02.52.52.42.52.62.72.52.32.22.21.82.42.0
Percentage of DepreciationAndAmortization1.31.11.01.11.00.90.80.91.01.01.00.90.80.80.60.80.7

pcar:TruckPartsAndOther, pcar:TruckSubsegment


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
Value687173736283919597979993106107127122111
Percentage of DepreciationAndAmortization29.828.627.227.525.830.632.135.237.337.638.237.139.539.243.642.841.3

us-gaap:DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred

us-gaap:CashFlowHedging


Derivative
Period End2021-06-302021-03-312019-03-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.10.10.00.00.00.00.00.00.00.00.30.60.00.00.00.0
Percentage of DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred100.0100.00.00.00.00.00.00.00.00.0100.0100.00.00.00.00.0

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:StatementBusinessSegments

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

us-gaap:CashFlowHedging, pcar:FinancialServices


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-12.222-81.3-50.5-30.467-55.835-5.0-6.7323.792
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashFlowHedging, pcar:TruckPartsAndOther


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-8.9-11.0-20.38.5117.2-8.73.6-6.3-7.83.5-3.25.0
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet73.0-48.525.0-16.8-37.810.615.610.3126.0116.410.9-86.55.4

us-gaap:FairValueHedging, pcar:FinancialServices


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.1-0.2-0.4-0.2-0.2-0.3-0.3-0.3-0.3-0.6-0.5-0.4-0.5
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet-0.8-0.90.50.40.7-0.40.5-0.96.09.0-1.6-10.8-0.5

us-gaap:NetInvestmentHedging, pcar:TruckPartsAndOther


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-09-30
Value0.71.01.11.0-1.0-2.5-2.3-2.30.0
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet-5.74.4-1.4-2.03.3-3.74.1-6.60.0

us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet us-gaap:StatementBusinessSegments

pcar:FinancialServices


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-12.122-81.7-50.7-30.667-56.134-5.3-7.3313.3
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet99.299.1100.5100.4100.799.6100.599.1106.0109.098.489.2

pcar:TruckPartsAndOther


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-8.2-10.0-19.29.5104.7-11.01.3-6.3-7.83.5-3.2
Percentage of DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet67.2-44.123.6-18.8-34.56.919.73.7126.0116.410.9-86.5

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:ForeignExchangeContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value-7.35.9-34.0-6.2-9.536-3.55.5-2.44.52.80.89.3-6.3-3.3-4.4-9.9-70.1-1.65.49.1-1.2-5.16.74.514-3.0-9.75.1-0.2-1.6-5.2-5.71.9-0.11.5-0.7-0.9-2.0-0.7-1.11.35.1-4.8
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation, us-gaap:StatementBusinessSegments

us-gaap:ForeignExchangeContract, pcar:InterestAndOtherBorrowingExpense, pcar:FinancialServices


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-1.41.8-11.3-6.9-3.212-2.98.3-1.56.26.00.58.9-0.5-5.7-4.8-11.4-39.2173.110-2.4-0.20.33.314
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet19.230.533.2111.333.732.982.9150.962.5137.8214.362.595.77.9172.7109.1115.255.9-1068.857.4116.5200.03.94.573.3101.4

us-gaap:ForeignExchangeContract, us-gaap:CostOfSales, pcar:TruckPartsAndOther


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value8.60.4-0.30.80.0-1.20.3-0.80.2-0.20.41.10.0-1.21.0-0.6-0.1-3.31.0-0.3-0.1-1.01.30.80.31.79.3-3.8-0.40.2-0.4-1.30.5-0.10.00.0-0.3
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-117.86.80.9-12.9-0.0-3.3-8.6-14.5-8.3-4.414.3137.50.019.0-30.313.61.04.7-62.5-5.6-1.183.3-25.511.96.711.9-310.039.2-7.8-100.025.025.0-8.8-5.3-0.00.042.9

us-gaap:ForeignExchangeContract, us-gaap:OtherNonoperatingIncomeExpense, pcar:TruckPartsAndOther


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-14.53.7-21.60.0-5.925-0.8-2.0-1.1-1.5-3.50.3-0.3-3.41.11.0-0.7-31.5-15.41.3-0.90.1-7.14.90.5-2.1-1.6-1.9-1.20.9
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet198.662.763.5-0.062.169.022.9-36.445.8-33.3-125.037.5-3.254.0-33.3-22.77.144.9962.524.1-9.9-8.3139.273.111.1-14.753.319.6-23.5-450.0

us-gaap:ForeignExchangeContract, us-gaap:SellingGeneralAndAdministrativeExpenses, pcar:FinancialServices


Derivative
Period End2020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-0.1-0.40.5-0.1-1.10.7-1.20.30.02.33.9-4.30.9-0.52.10.90.70.40.2
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet1.64.21.4-3.6-137.57.519.0-9.1-0.0-23.2-5.6268.816.7-5.5-175.0-17.610.48.91.4

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:DividendsCommonStockCash

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value118111354111110111908111111111794989888
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value13-32.5623429-64.440-39.26.7-5.3-23.8
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

pcar:AllOther, pcar:FinancialServices


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.00.10.10.20.20.00.10.00.10.10.10.00.20.00.10.00.20.10.10.10.10.3
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.0100.0100.0100.0100.00.0100.00.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0

pcar:CustomerRetail, pcar:FinancialServices


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1.31.51.71.40.91.31.91.92.14.83.22.03.11.61.71.10.81.41.52.70.70.60.91.10.70.81.30.7
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.00.00.01400.0900.0650.0950.00.00.00.03200.00.00.00.01700.01100.0800.00.0750.00.0700.00.0450.01100.0700.0800.01300.0233.3

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:StatementBusinessSegments

pcar:FinancialServices


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value1.51.51.71.51.01.52.11.92.24.83.32.03.31.71.81.20.91.41.72.70.70.71.11.20.80.91.41.01.01.95.71.71.91.62.41.62.01.46.12.5
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.00.00.01500.01000.0750.01050.00.00.00.03300.00.00.00.01800.01200.0900.00.0850.00.0700.00.0550.01200.0800.0900.01400.0333.30.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

pcar:AllOther, pcar:FinancialServices


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.40.20.20.40.60.20.92.10.40.21.00.36.00.21.30.10.20.30.20.31.10.52.00.30.40.5-0.51.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:CustomerRetail, pcar:FinancialServices


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value3.13.84.34.67.2108.67.24.53.94.53.47.94.27.16.25.06.55.97.34.35.44.93.52.72.56.83.8
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs775.01900.02150.01150.01200.05250.0955.6342.91125.01950.0450.01133.3131.72100.0546.26200.02500.02166.72950.02433.3390.91080.0245.01166.7675.0500.0-1360.0380.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:StatementBusinessSegments

pcar:FinancialServices


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3.54.04.55.07.8109.99.45.04.15.53.7134.48.46.35.26.86.17.65.45.97.04.03.13.07.24.84.74.66.53.79.25.1167.25.98.819121610
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs875.02000.02250.01250.01300.05350.01100.0447.61250.02050.0550.01233.3231.72200.0646.26300.02600.02266.73050.02533.3490.91180.0350.01333.3775.0600.0-1440.0480.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-0.31.42.0999999999999996-0.22.10.1
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown


Financing
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
Value01900000.0100000.00000000-1800000.01800000.0-300000.01300000.0-4700000.05100000.0
Percentage of FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown0.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment

pcar:CustomerRetail, pcar:FinancialServices, pcar:Fleet


Impaired
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-31
Value271926332927
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment100.0100.0100.0100.0100.0100.0

pcar:CustomerRetail, pcar:FinancialServices, pcar:OwnerOperator


Impaired
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-31
Value2.53.23.32.02.42.4
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment9.016.412.56.08.18.8

pcar:Dealer, pcar:FinancialServices, us-gaap:Retail


Impaired
Period End2021-03-312020-03-312019-03-31
Value1.42.32.9
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment5.011.811.0

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment us-gaap:StatementBusinessSegments

pcar:FinancialServices


Impaired
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-31
Value3129323937343338536165
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment114.0153.3124.0118.3126.4125.00.00.00.00.00.0

us-gaap:ImpairedFinancingReceivableInterestIncomeCashBasisMethod us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

us-gaap:ImpairedFinancingReceivableInterestIncomeCashBasisMethod

pcar:CustomerRetail, pcar:FinancialServices, pcar:Fleet


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value100000.0300000.0300000.0400000.0500000.0300000.0300000.0400000.0300000.0300000.0400000.0600000.0500000.0500000.0600000.0400000.0300000.0300000.0300000.0200000.0300000.0300000.0400000.0400000.0300000.0300000.0300000.0300000.0300000.0
Percentage of ImpairedFinancingReceivableInterestIncomeCashBasisMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:CustomerRetail, pcar:FinancialServices, pcar:OwnerOperator


Impaired
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0100000.00100000.00100000.00100000.0100000.0000100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0
Percentage of ImpairedFinancingReceivableInterestIncomeCashBasisMethod0.025.00.033.30.025.00.033.316.70.00.00.033.350.033.333.325.025.033.333.333.333.333.3

pcar:Dealer, pcar:FinancialServices, us-gaap:Retail


Impaired
Period End2020-12-312020-09-302020-06-302019-12-312019-09-30
Value100000.00100000.0100000.0100000.0
Percentage of ImpairedFinancingReceivableInterestIncomeCashBasisMethod33.30.020.033.325.0

us-gaap:ImpairedFinancingReceivableInterestIncomeCashBasisMethod us-gaap:StatementBusinessSegments

pcar:FinancialServices


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value100000.0300000.0400000.0500000.0600000.0400000.0400000.0600000.0300000.0400000.0600000.0600000.0500000.0500000.0700000.0400000.0300000.0300000.0400000.0300000.0400000.0400000.0500000.0500000.0400000.0400000.0400000.0400000.0400000.0500000.01600000.0500000.01200000.0600000.0500000.0400000.0500000.0700000.02900000.0500000.01300000.0400000.0
Percentage of ImpairedFinancingReceivableInterestIncomeCashBasisMethod100.0100.0133.3125.0120.0133.3133.3150.0100.0133.3150.0100.0100.0100.0116.7100.0100.0100.0133.3150.0133.3133.3125.0125.0133.3133.3133.3133.3133.30.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-133.4468-189.097-11.0-19.4-431.166-5.9442-328.251163355-254.436144280-133.6-20.30.3215-246.2-75.1-69.7285-224.08845160-70.574-102.4213-102.8-112.7-72.3212-10.77586257-15.3-3.8
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value75655-196.6376-188.9-44.3-495.970-7.7405-234.0101220441-262.2173234187-161.2-72.714210-448.6-195.3167313-215.3345-57.2179-270.2143147220-317.5-141.3-132.7287-78.41082193359521
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-158.1-79.8435-150.6-141.33.2596-43.3-114.52015238-8.3108-179.236-19.9200-109.31126911153145-2.76310218830-27.5-38.5135109-10.23040109.7-164.353134862024
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNet

us-gaap:InvestmentIncomeNet


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.04.95.76.49.0142021211919161410.09.59.08.78.17.08.56.45.75.26.25.35.15.35.75.55.86.87.38.06.58.27.88.28.99.3119.98.06.85.54.34.5
Percentage of InvestmentIncomeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNet us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value-0.6-0.6-0.8-0.6-0.6-0.4-0.1-0.2-0.10.10.10.0-0.40.00.20.10.30.22.4-0.40.70.70.3-0.30.80.4
Percentage of InvestmentIncomeNet-12.0-12.2-14.0-9.4-6.7-2.7-0.5-0.9-0.50.50.60.0-4.00.02.21.13.72.928.2-6.212.313.54.8-5.715.76.9

us-gaap:LeaseIncome us-gaap:StatementBusinessSegments

us-gaap:LeaseIncome

pcar:FinancialServices


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value260257259244236250290229241236
Percentage of LeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome us-gaap:ProductOrService, us-gaap:Subsegments

us-gaap:OperatingLeaseLeaseIncome

pcar:TruckSales, pcar:TruckSubsegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value29202726232726434841
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome us-gaap:StatementBusinessSegments

pcar:FinancialServices


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value212209209198191202198194204200
Percentage of OperatingLeaseLeaseIncome714.11016.5757.2755.9822.7751.1759.2444.9424.5481.3

us-gaap:OperatingLeasesIncomeStatementLeaseRevenue us-gaap:ProductOrService

us-gaap:OperatingLeasesIncomeStatementLeaseRevenue

pcar:FinancialServices


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value323302301269234241256214213212214211216216218217202
Percentage of OperatingLeasesIncomeStatementLeaseRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value-2.2-6.60.014-2.10.15.36.2-1.50.5-2.6-0.4-0.53.4-3.72.63.20.0-3.00.51.02.51.20.1-5.5-0.31.12.2
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-1.6-5.0-0.90.011-1.6-0.40.24.04.62.7-1.10.4-2.0-2.9-0.3-0.42.1-3.9-2.51.82.2-1.40.0-2.10.30.00.91.71.0-0.80.1-4.0-0.20.81.60.31.92.53.2
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:StatementBusinessSegments, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:ForeignExchangeContract, pcar:FinancialServices, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312018-09-302018-06-302017-09-302017-06-30
Value-1.1-1.80.00.00.00.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax100.0100.00.00.00.00.0

us-gaap:ForeignExchangeContract, pcar:TruckPartsAndOther, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value-11.12.1-39.8-10.8-17.270-14.5-1.0-0.2-16.09.4-11.3106.0-3.0-1.7
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax1009.1-116.70.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateContract, pcar:FinancialServices, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value-10.033-80.0-49.1-33.95526-11.7-14.3322.993-1.8-23.2-38.1
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax909.1-1872.20.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:ForeignExchangeContract, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value-12.20.3-40.6-10.8-17.270-14.5-1.0-0.2-16.09.4-11.3106.0-3.0-1.7
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax1109.1-16.70.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateContract, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value-10.033-80.0-49.1-33.95526-11.7-14.3322.993-1.8-23.2-38.1
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax909.1-1872.20.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:NetInvestmentHedging


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-3.613-15.1-14.9-5.415-9.114
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax327.3-733.30.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-1.6-1.2-106.4-6.4-1.210.0-60.34.22.4-3.1-91.81.08.2-5.632-4.5-5.7-2.1-50.42.15.60.18.25.1-6.38.1-189.66.4-3.20.6202-6.41.27.3
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-18.626-92.9-46.9-37.298-46.120-8.2-22.730-5.477-11.82.3-19.8-28.2
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax1162.5-2175.087.3732.83100.0986.076.5476.2-341.7732.3-33.2-540.0946.3210.77.0440.0494.7

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


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
Value-1.2-4.5-0.30.411-1.3-0.30.34.14.62.6-1.20.4-1.7-2.9-0.2-0.32.3-3.8-0.72.12.7-0.90.2-1.90.90.11.32.10.7-1.0-0.9-4.0-0.2
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax75.0375.00.3-6.2-958.3-13.00.57.1170.8-148.4-2.8-120.04.930.4-8.94.45.3-109.57.5-33.337.52700.0-11.03.930.211.1-0.120.3-65.6116.7-0.514.1-333.3-2.7

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-03-312015-03-31
Value59-68.7515972-239.835-102.020-11.8-151.5-7.2-110.56086-322.6
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-3731.25725.0-48.0-932.8-6041.7-2398.0-58.2-2428.6866.7380.6165.0-720.0-1347.6-1073.286600.0-3982.7

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value81-89.125011299-347.1141-126.5229.4-92.8-1.6-196.777-17.210812675-148.5-6.9-57.2125-74.4-163.4106-352.9-191.4-278.047-1.1-15.1120-80.6-96.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-5068.87425.0-235.6-1759.4-8283.3-3471.0-235.2-3011.9937.5-303.2101.1-160.0-2398.8-1389.3-52.6-2402.2-2212.3-3571.4294.6-328.6-1021.4125500.0-907.3-3203.9-1696.8-4356.8100.9-4343.8-1490.6-183.3-7.4-1881.2-6716.7-1315.1

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-3.018-14.5-25.041-9.8-0.4-11.6-6.44.8-2.5
Percentage of OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsBeforeTaxParent

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsBeforeTaxParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-1.122-17.9-32.251-13.6-0.6-15.8-8.96.8-4.1
Percentage of OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsBeforeTaxParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTaxParent

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTaxParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1900000.04100000.0-3400000.0-7200000.010000000.0-3800000.0-200000.0-4200000.0-2500000.02000000.0-1600000.0
Percentage of OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTaxParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value-13400000.0-12900000.0-3400000.0-11200000.0-31100000.0-11000000.0-9400000.0-700000.0-10200000.0-21300000.0-2600000.0-600000.01400000.0-3900000.0-10300000.0-15400000.0-7000000.0-17800000.0-2000000.0-21700000.0-14500000.0-1100000.0-6400000.0-2500000.0-13000000.0-21300000.0-5000000.0-12700000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-10.3-9.895-2.8-8.6-23.556-8.3-7.2-0.684-7.8-16.1-2.0-37.30.01.4-2.645-6.9-10.6-4.6-15.1-12.0-0.7-14.9185-10.1-0.6-4.3-210.1-1.0-8.6-14.634-3.0-8.5-4.5178-9.3-4.2
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value3.13.12.90.62.67.60.02.72.20.10.52.45.20.63.73.73.83.61.71.81.81.84.03.9
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


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
Value-600000.0-1600000.0300000.003500000.0-500000.0100000.0-100000.01300000.01600000.01000000.0-400000.0100000.0-600000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3.64714-28.6-7.81.726-24.5-37.59.0-24.3-13.5-45.047-48.5-3.9-7.216-28.1-8.1-11.517-61.4-30.2-2.247-109.2359.92317-41.2-2.2-10.924-46.8-22.411-3.6-83.268-9.7-35.1-15.6
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302017-09-302016-12-312015-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value0.0120.00.00.0-17.30.00.00.00.0-1.00.17.9-4.8-10.3-7.6-2.4-1.38.6-19.6115.512-3.56.3-8.6
Percentage of PaymentsForProceedsFromOtherInvestingActivities0.0100.00.00.00.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireEquipmentOnLease

us-gaap:PaymentsToAcquireEquipmentOnLease


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value307243381267159280358378373287416381420276375319391336387435427340345359392340358346351182357396356251325334398229293295422295237150164163
Percentage of PaymentsToAcquireEquipmentOnLease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireFinanceReceivables

us-gaap:PaymentsToAcquireFinanceReceivables


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1255103613051038748824110899810878889699591080849984784762585799659762603822786818637872770808662803757802630903801837693869686671504585465407331
Percentage of PaymentsToAcquireFinanceReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PaymentsToAcquireMarketableSecurities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value24315834217114218417228319120213822512312835617818824623525223930433428438832222228031030833125021918955017017215618922226893425623816894
Percentage of PaymentsToAcquireMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementBenefitContributions

us-gaap:PensionAndOtherPostretirementBenefitContributions


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value6.76.258985.223195.35.45.83.25.05.175554.95.54.91205.83.73.5693.74.14.2145.92.73.4
Percentage of PensionAndOtherPostretirementBenefitContributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionContributions us-gaap:RetirementPlanType

us-gaap:PensionContributions

us-gaap:PensionPlansDefinedBenefit


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value6.76.258865.223195.35.45.83.25.05.175554.95.54.91205.854
Percentage of PensionContributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.32812305.06.3279.98.0156.12.31.49.5119.41.017
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndCollectionOfFinanceReceivables

us-gaap:ProceedsFromSaleAndCollectionOfFinanceReceivables


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1017937975809707759904921798764715734768696716673708615657614646592668674713625748711726660577651636604630624571577560541554464542523474499
Percentage of ProceedsFromSaleAndCollectionOfFinanceReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value23215312313411422512828115914611125112044820021917218613759425431825626223927622522222732126026319417032214816712919031522840816017811767
Percentage of ProceedsFromSaleAndMaturityOfMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfForeclosedAssets

us-gaap:ProceedsFromSaleOfForeclosedAssets


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value101623141630211011182415268.51315131514171412191218111220131913161418252126235035
Percentage of ProceedsFromSaleOfForeclosedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromSaleOfProductiveAssets


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value23224018217612911316017813416416318217813011311212312011210210211610899118123
Percentage of ProceedsFromSaleOfProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses

us-gaap:ProvisionForLoanLeaseAndOtherLosses


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.53.71.23.17.5173.65.64.02.21.74.34.65.94.94.76.85.93.95.16.03.43.72.43.62.72.94.84.03.7-2.53.65.36.5
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:ProvisionForLoanLeaseAndOtherLosses us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments

pcar:AllOther, pcar:FinancialServices


Provision
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.30.5-0.5-0.50.81.70.70.6-0.31.1-0.20.61.1-0.20.30.30.50.30.21.20.90.70.70.70.40.2
Percentage of ProvisionForLoanLeaseAndOtherLosses-60.013.5-41.7-16.122.230.417.527.3-17.625.6-4.310.222.4-4.34.45.112.85.93.335.324.329.219.425.913.84.2

pcar:CustomerRetail, pcar:FinancialServices


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-0.63.31.64.67.2164.54.33.81.60.82.85.05.03.94.46.95.94.14.96.43.24.32.13.31.93.34.2
Percentage of ProvisionForLoanLeaseAndOtherLosses120.089.2133.3148.496.098.2125.076.895.072.747.165.1108.784.779.693.6101.5100.0105.196.1106.794.1116.287.591.770.4113.887.5

us-gaap:ProvisionForLoanLeaseAndOtherLosses us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

pcar:Dealer, pcar:FinancialServices, pcar:Wholesale


Provision
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.10.1-0.4-0.90.2-0.30.20.40.4-0.10.3-0.40.40.00.0-0.70.1-0.6-0.5-0.9-0.1-0.10.30.10.4
Percentage of ProvisionForLoanLeaseAndOtherLosses2.78.3-12.9-12.01.2-7.59.123.59.3-2.25.1-8.28.50.00.0-17.92.0-10.0-14.7-24.3-4.2-2.811.13.48.3

pcar:Dealer, pcar:FinancialServices, us-gaap:Retail


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-30
Value-0.1-0.20.0-0.6-0.30.1-0.1-0.5-0.2-0.20.80.00.30.1
Percentage of ProvisionForLoanLeaseAndOtherLosses20.0-5.40.0-19.4-4.00.6-2.8-8.9-5.0-9.147.10.06.12.1

us-gaap:ProvisionForLoanLeaseAndOtherLosses us-gaap:ProductOrService

pcar:FinancialServices


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-0.53.71.23.17.5173.65.64.02.21.74.34.65.94.94.76.8
Percentage of ProvisionForLoanLeaseAndOtherLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses us-gaap:StatementBusinessSegments

pcar:FinancialServices


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-0.53.71.23.17.5173.65.64.02.21.74.34.65.94.94.76.85.93.95.16.03.43.72.43.62.72.94.84.03.7-2.53.65.36.54.82.75.07.59.210
Percentage of ProvisionForLoanLeaseAndOtherLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-27.1-2.6-87.6-41.2-21.544-54.825-12.5-14.818-5.964-16.6-7.7-25.4-40.9-40.832-13.84.1-41.2-11.616-25.4
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-11.9-11.0-11.1-9.2-9.8-13.5-4.3-4.1-4.8-3.7-7.1-6.8-7.9-7.6-4.6-4.5-4.3-4.7-4.6-4.8-5.0-4.5-6.9-6.9-7.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent43.9423.112.722.345.6-30.77.8-15.938.425.0-37.8115.3-12.245.859.717.710.511.5-14.034.8-122.010.959.5-41.127.6

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-15.67.9-77.1-32.4-12.257-50.629-7.8-11.1261.072-9.3-3.1-21.0-36.7
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent57.6-303.888.078.656.7130.092.3115.562.475.0138.3-16.9112.256.040.382.789.7

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.40.50.60.40.50.30.10.10.1-0.1-0.10.00.30.00.10.10.20.11.80.30.50.50.20.2
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent-1.5-19.2-0.7-1.0-2.30.7-0.20.4-0.8-0.51.70.0-1.8-0.0-0.4-0.2-0.50.3-13.07.3-1.2-4.31.2-0.8

us-gaap:AccumulatedOtherComprehensiveIncome


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-27.1-2.6-87.6-41.2-21.544-54.825-12.5-14.818-5.964-15.2
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.091.6

us-gaap:StandardProductWarrantyAccrualPayments us-gaap:StatementBusinessSegments

us-gaap:StandardProductWarrantyAccrualPayments

pcar:TruckPartsAndOther


Standard
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value961091091031141108093917867607568595662596066676157
Percentage of StandardProductWarrantyAccrualPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StandardProductWarrantyAccrualPreexistingIncreaseDecrease us-gaap:StatementBusinessSegments

us-gaap:StandardProductWarrantyAccrualPreexistingIncreaseDecrease

pcar:TruckPartsAndOther


Standard
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1018191721255.4108.8-4.5-1.77.49.110-2.1-2.5-1.13.7-4.80.3-7.44.6-11.9
Percentage of StandardProductWarrantyAccrualPreexistingIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StandardProductWarrantyAccrualWarrantiesIssued us-gaap:StatementBusinessSegments

us-gaap:StandardProductWarrantyAccrualWarrantiesIssued

pcar:TruckPartsAndOther


Standard
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value76807770499797971009194818174736651515250575284
Percentage of StandardProductWarrantyAccrualWarrantiesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4.635318.5121110244.83.716
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.60.30.50.10.10.60.20.20.40.20.00.10.3
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation0.01.70.01.61.20.80.01.71.91.60.00.02.71.8

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.01.40.50.00.1410.0532333201597716
Percentage of TreasuryStockValueAcquiredCostMethod0.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value712700.0792800.0758500.0406400.0434000.0592700.0663300.0592400.0811800.0779300.01007800.01035000.0933300.01094500.0738500.0704800.0910600.01022200.01030900.01112000.01154100.01102600.0994000.0906200.0800600.0689000.0713000.0829500.0876000.01314000.01362000.01182000.01182000.01050900.0
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:AccruedLiabilitiesCapitalExpendituresCurrent us-gaap:StatementBusinessSegments

pcar:AccruedLiabilitiesCapitalExpendituresCurrent

pcar:TruckPartsAndOther


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value288270981201118563139241245
Percentage of AccruedLiabilitiesCapitalExpendituresCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:CommercialPaperAndBankLoans us-gaap:StatementBusinessSegments

pcar:CommercialPaperAndBankLoans

pcar:FinancialServices


Commercial
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value340930423344261529793912411041403900342435403002313032342933286528882516244725162426275427962536265621742641292527102871250826422823306835623371338139643909336334752371
Percentage of CommercialPaperAndBankLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:CommercialPaperAndTermNotes us-gaap:StatementBusinessSegments

pcar:CommercialPaperAndTermNotes

pcar:FinancialServices


Commercial
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1062210909966686698270841580948032
Percentage of CommercialPaperAndTermNotes100.0100.0100.0100.0100.0100.0100.0100.0

pcar:CommercialPaperBankLoansAndTermDebtAtCarryingValue us-gaap:StatementBusinessSegments

pcar:CommercialPaperBankLoansAndTermDebtAtCarryingValue

pcar:FinancialServices


Commercial
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1085311222995088798475859182308274773065055102
Percentage of CommercialPaperBankLoansAndTermDebtAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:CumulativeBasisAdjustmentIncludedInCarryingAmount

pcar:CumulativeBasisAdjustmentIncludedInCarryingAmount


Cumulative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2700000.01300000.0-900000.0-1300000.0-1700000.0-1900000.0-500000.0-700000.0600000.0500000.0-1300000.0
Percentage of CumulativeBasisAdjustmentIncludedInCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeReminderOfFiscalYear

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeReminderOfFiscalYear


Deferred
Period End2021-06-302021-03-312020-09-30
Value14020667
Percentage of DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeReminderOfFiscalYear100.0100.0100.0

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeThereafter

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeThereafter


Deferred
Period End2021-06-302021-03-312020-12-312020-09-30
Value22149.424
Percentage of DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeThereafter100.0100.0100.0100.0

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearFive

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearFive


Deferred
Period End2021-06-302021-03-312020-12-312020-09-30
Value44342557
Percentage of DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearFive100.0100.0100.0100.0

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearFour

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearFour


Deferred
Period End2021-06-302021-03-312020-12-312020-09-30
Value1098974131
Percentage of DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearFour100.0100.0100.0100.0

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearOne

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearOne


Deferred
Period End2020-12-31
Value272
Percentage of DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearOne100.0

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearThree

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearThree


Deferred
Period End2021-06-302021-03-312020-12-312020-09-30
Value207185162230
Percentage of DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearThree100.0100.0100.0100.0

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearTwo

pcar:DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearTwo


Deferred
Period End2021-06-302021-03-312020-12-312020-09-30
Value260254251266
Percentage of DeferredRevenueExtendedWarrantiesAndRepairAndMaintenanceRecognizeYearTwo100.0100.0100.0100.0

pcar:DeferredRevenueLeasesAccumulatedAmortizationThereafter us-gaap:StatementBusinessSegments

pcar:DeferredRevenueLeasesAccumulatedAmortizationThereafter

pcar:TruckPartsAndOther


Deferred
Period End2020-12-31
Value0
Percentage of DeferredRevenueLeasesAccumulatedAmortizationThereafter0.0

pcar:DeferredRevenueLeasesAccumulatedAmortizationYearFive us-gaap:StatementBusinessSegments

pcar:DeferredRevenueLeasesAccumulatedAmortizationYearFive

pcar:TruckPartsAndOther


Deferred
Period End2020-12-31
Value200000.0
Percentage of DeferredRevenueLeasesAccumulatedAmortizationYearFive100.0

pcar:DeferredRevenueLeasesAccumulatedAmortizationYearFour us-gaap:StatementBusinessSegments

pcar:DeferredRevenueLeasesAccumulatedAmortizationYearFour

pcar:TruckPartsAndOther


Deferred
Period End2020-12-31
Value8500000.0
Percentage of DeferredRevenueLeasesAccumulatedAmortizationYearFour100.0

pcar:DeferredRevenueLeasesAccumulatedAmortizationYearOne us-gaap:StatementBusinessSegments

pcar:DeferredRevenueLeasesAccumulatedAmortizationYearOne

pcar:TruckPartsAndOther


Deferred
Period End2020-12-31
Value53
Percentage of DeferredRevenueLeasesAccumulatedAmortizationYearOne100.0

pcar:DeferredRevenueLeasesAccumulatedAmortizationYearThree us-gaap:StatementBusinessSegments

pcar:DeferredRevenueLeasesAccumulatedAmortizationYearThree

pcar:TruckPartsAndOther


Deferred
Period End2020-12-31
Value12
Percentage of DeferredRevenueLeasesAccumulatedAmortizationYearThree100.0

pcar:DeferredRevenueLeasesAccumulatedAmortizationYearTwo us-gaap:StatementBusinessSegments

pcar:DeferredRevenueLeasesAccumulatedAmortizationYearTwo

pcar:TruckPartsAndOther


Deferred
Period End2020-12-31
Value24
Percentage of DeferredRevenueLeasesAccumulatedAmortizationYearTwo100.0

pcar:DeferredRevenueRecognizeRemainderOfFiscalYear us-gaap:ProductOrService, us-gaap:Subsegments

pcar:DeferredRevenueRecognizeRemainderOfFiscalYear

pcar:TruckSales, pcar:TruckSubsegment


Deferred
Period End2021-06-302021-03-312020-09-30
Value243618
Percentage of DeferredRevenueRecognizeRemainderOfFiscalYear100.0100.0100.0

pcar:DeferredRevenueRecognizeThereafter us-gaap:ProductOrService, us-gaap:Subsegments

pcar:DeferredRevenueRecognizeThereafter

pcar:TruckSales, pcar:TruckSubsegment


Deferred
Period End2020-09-30
Value200000.0
Percentage of DeferredRevenueRecognizeThereafter100.0

pcar:DeferredRevenueRecognizeYearFive us-gaap:ProductOrService, us-gaap:Subsegments

pcar:DeferredRevenueRecognizeYearFive

pcar:TruckSales, pcar:TruckSubsegment


Deferred
Period End2021-06-302021-03-312020-09-30
Value5400000.02000000.05000000.0
Percentage of DeferredRevenueRecognizeYearFive100.0100.0100.0

pcar:DeferredRevenueRecognizeYearFour us-gaap:ProductOrService, us-gaap:Subsegments

pcar:DeferredRevenueRecognizeYearFour

pcar:TruckSales, pcar:TruckSubsegment


Deferred
Period End2021-06-302021-03-312020-09-30
Value118.49.6
Percentage of DeferredRevenueRecognizeYearFour100.0100.0100.0

pcar:DeferredRevenueRecognizeYearThree us-gaap:ProductOrService, us-gaap:Subsegments

pcar:DeferredRevenueRecognizeYearThree

pcar:TruckSales, pcar:TruckSubsegment


Deferred
Period End2021-06-302021-03-312020-09-30
Value161221
Percentage of DeferredRevenueRecognizeYearThree100.0100.0100.0

pcar:DeferredRevenueRecognizeYearTwo us-gaap:ProductOrService, us-gaap:Subsegments

pcar:DeferredRevenueRecognizeYearTwo

pcar:TruckSales, pcar:TruckSubsegment


Deferred
Period End2021-06-302021-03-312020-09-30
Value292548
Percentage of DeferredRevenueRecognizeYearTwo100.0100.0100.0

pcar:DeferredTaxAssetsOperatingLossCarryforwardsAndTaxCreditCarryforwards

pcar:DeferredTaxAssetsOperatingLossCarryforwardsAndTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1401321121028463
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsAndTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0

pcar:DeferredTaxLiabilitiesAndOtherLiabilities us-gaap:StatementBusinessSegments

pcar:DeferredTaxLiabilitiesAndOtherLiabilities

pcar:FinancialServices


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value754775854791774780790753737692704695682730773977949933934931906907889912911922909911932928973937892912940915887869942762703713
Percentage of DeferredTaxLiabilitiesAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:DeferredTaxLiabilitiesDepreciationAndAmortization

pcar:DeferredTaxLiabilitiesDepreciationAndAmortization


Deferred
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
Value168159145165246277289296241161156167
Percentage of DeferredTaxLiabilitiesDepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:DeferredTaxLiabilitiesPostretirementBenefitPlans

pcar:DeferredTaxLiabilitiesPostretirementBenefitPlans


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.00.08.039
Percentage of DeferredTaxLiabilitiesPostretirementBenefitPlans100.00.0100.0100.0

pcar:DefinedBenefitPlanEstimatedMinimumFundingRequirement us-gaap:RetirementPlanType

pcar:DefinedBenefitPlanEstimatedMinimumFundingRequirement

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value19
Percentage of DefinedBenefitPlanEstimatedMinimumFundingRequirement100.0

pcar:EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainBeforeTax us-gaap:StatementBusinessSegments

pcar:EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainBeforeTax

pcar:TruckPartsAndOther


Equity
Period End2021-06-30
Value0
Percentage of EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainBeforeTax0.0

pcar:EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossBeforeTax us-gaap:StatementBusinessSegments

pcar:EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossBeforeTax

pcar:TruckPartsAndOther


Equity
Period End2021-06-30
Value100000.0
Percentage of EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossBeforeTax100.0

pcar:EstimatedValueOfTruckAssetsToBeReturned

pcar:EstimatedValueOfTruckAssetsToBeReturned


Estimated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value663646627558494492473435426364319
Percentage of EstimatedValueOfTruckAssetsToBeReturned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:ExtendedProductWarrantyBeginningBalance us-gaap:StatementBusinessSegments

pcar:ExtendedProductWarrantyBeginningBalance

pcar:TruckPartsAndOther


Extended
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value795801699653573
Percentage of ExtendedProductWarrantyBeginningBalance100.0100.0100.0100.0100.0

pcar:ExtendedProductWarrantyEndingBalance us-gaap:StatementBusinessSegments

pcar:ExtendedProductWarrantyEndingBalance

pcar:TruckPartsAndOther


Extended
Period 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
Value783784795778770789801768754729699684653
Percentage of ExtendedProductWarrantyEndingBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:ImpairedFinancingReceivableNetInvestment us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

pcar:ImpairedFinancingReceivableNetInvestment

pcar:CustomerRetail, pcar:FinancialServices, pcar:Fleet


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value1517212523248.89.4109.412141625151618181612201918131311
Percentage of ImpairedFinancingReceivableNetInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:CustomerRetail, pcar:FinancialServices, pcar:OwnerOperator


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value1.21.71.81.72.51.82.52.32.12.42.42.72.12.20.80.91.31.81.51.61.62.21.91.31.82.1
Percentage of ImpairedFinancingReceivableNetInvestment7.79.98.66.610.77.328.424.519.825.519.718.112.48.65.15.67.19.69.313.28.011.110.49.513.718.8

pcar:ImpairedFinancingReceivableNetInvestment us-gaap:StatementBusinessSegments

pcar:FinancialServices


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value1618222725261134121114171927161719201715242624191812131617181829313743413647
Percentage of ImpairedFinancingReceivableNetInvestment107.7109.9108.6106.6110.7107.3128.4361.7119.8125.5119.7118.1112.4108.6105.1105.6107.1109.6109.3124.8120.4132.7136.3140.1142.00.0118.80.00.00.00.00.00.00.00.00.00.00.0

pcar:LoansReceivable us-gaap:StatementBusinessSegments

pcar:LoansReceivable

pcar:FinancialServices


Loans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312011-09-302011-06-302010-12-31
Value624859445839551853055165524150214992476646304570443642844147402439233955394839803988398240113941396038993968394440313989397738383762373537383114288928812713
Percentage of LoansReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:LoansReceivableWholesaleFinancingLoans us-gaap:StatementBusinessSegments

pcar:LoansReceivableWholesaleFinancingLoans

pcar:FinancialServices


Loans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312011-09-302011-06-302010-12-31
Value18181939201220792172287529072813267827282342222920692103188019101764162515281764173619121950206220551883175516431548167916161736156115261541151714121247983
Percentage of LoansReceivableWholesaleFinancingLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:LoansReceivablesMinimumPaymentsDue us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment

pcar:LoansReceivablesMinimumPaymentsDue

us-gaap:LoansReceivable, pcar:FinancialServices


Loans
Period End2020-12-31
Value5839
Percentage of LoansReceivablesMinimumPaymentsDue100.0

pcar:LoansReceivablesMinimumPaymentsDueAfterYearFive us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment

pcar:LoansReceivablesMinimumPaymentsDueAfterYearFive

us-gaap:LoansReceivable, pcar:FinancialServices


Loans
Period End2020-12-31
Value115
Percentage of LoansReceivablesMinimumPaymentsDueAfterYearFive100.0

pcar:LoansReceivablesMinimumPaymentsDueInYearFive us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment

pcar:LoansReceivablesMinimumPaymentsDueInYearFive

us-gaap:LoansReceivable, pcar:FinancialServices


Loans
Period End2020-12-31
Value380
Percentage of LoansReceivablesMinimumPaymentsDueInYearFive100.0

pcar:LoansReceivablesMinimumPaymentsDueInYearFour us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment

pcar:LoansReceivablesMinimumPaymentsDueInYearFour

us-gaap:LoansReceivable, pcar:FinancialServices


Loans
Period End2020-12-31
Value881
Percentage of LoansReceivablesMinimumPaymentsDueInYearFour100.0

pcar:LoansReceivablesMinimumPaymentsDueInYearThree us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment

pcar:LoansReceivablesMinimumPaymentsDueInYearThree

us-gaap:LoansReceivable, pcar:FinancialServices


Loans
Period End2020-12-31
Value1223
Percentage of LoansReceivablesMinimumPaymentsDueInYearThree100.0

pcar:LoansReceivablesMinimumPaymentsDueInYearTwo us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment

pcar:LoansReceivablesMinimumPaymentsDueInYearTwo

us-gaap:LoansReceivable, pcar:FinancialServices


Loans
Period End2020-12-31
Value1480
Percentage of LoansReceivablesMinimumPaymentsDueInYearTwo100.0

pcar:LoansReceivablesMinimumPaymentsDueWithInOneYear us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment

pcar:LoansReceivablesMinimumPaymentsDueWithInOneYear

us-gaap:LoansReceivable, pcar:FinancialServices


Loans
Period End2020-12-31
Value1758
Percentage of LoansReceivablesMinimumPaymentsDueWithInOneYear100.0

pcar:MachineryEquipmentAndProductionToolingGross us-gaap:StatementBusinessSegments

pcar:MachineryEquipmentAndProductionToolingGross

pcar:TruckPartsAndOther


Machinery
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value4234399838843782328532373316334526782387
Percentage of MachineryEquipmentAndProductionToolingGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:MarketableDebtSecurities us-gaap:StatementBusinessSegments

pcar:MarketableDebtSecurities

pcar:TruckPartsAndOther


Marketable
Period End2020-09-302020-06-302020-03-312019-12-31
Value1194114710971162
Percentage of MarketableDebtSecurities100.0100.0100.0100.0

pcar:MarketableSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:StatementBusinessSegments

pcar:MarketableSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

pcar:TruckPartsAndOther


Marketable
Period End2021-06-302020-12-31
Value1119
Percentage of MarketableSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0

pcar:MarketableSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:StatementBusinessSegments

pcar:MarketableSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

pcar:TruckPartsAndOther


Marketable
Period End2021-06-302020-12-31
Value1300000.0100000.0
Percentage of MarketableSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0

pcar:MarketableSecuritiesAtCost us-gaap:StatementBusinessSegments

pcar:MarketableSecuritiesAtCost

pcar:TruckPartsAndOther


Marketable
Period End2021-06-302020-12-31
Value14241409
Percentage of MarketableSecuritiesAtCost100.0100.0

pcar:NetCarryingAmountOfImpairedLoans us-gaap:FinancingReceivablePortfolioSegment, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

pcar:NetCarryingAmountOfImpairedLoans

pcar:CustomerRetail, pcar:FinancialServices, pcar:Fleet


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value222221262931151114151722253728242928262225252423
Percentage of NetCarryingAmountOfImpairedLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:CustomerRetail, pcar:FinancialServices, pcar:OwnerOperator


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value1.31.81.81.82.92.12.92.72.42.92.72.72.22.41.00.91.52.01.71.71.92.42.22.1
Percentage of NetCarryingAmountOfImpairedLoans5.88.08.66.710.06.718.724.517.119.015.812.18.66.43.53.65.26.96.37.57.49.38.98.9

pcar:Dealer, pcar:FinancialServices, us-gaap:Retail


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.31.11.21.51.61.72.32.32.52.52.52.43.03.9
Percentage of NetCarryingAmountOfImpairedLoans5.84.95.75.65.55.414.820.917.916.314.610.711.713.5

pcar:NetCarryingAmountOfImpairedLoans us-gaap:StatementBusinessSegments

pcar:FinancialServices


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value242524303335203818202227304433293434282530323130
Percentage of NetCarryingAmountOfImpairedLoans111.7112.8114.3112.4115.5112.2133.5348.2135.0135.3130.4122.8120.2117.0117.0120.2118.6121.2106.3113.6117.1126.1127.9127.7

pcar:NotionalAmountOfInterestRateDerivativesMaturingInReminderOfFiscalYear us-gaap:DerivativeInstrumentRisk

pcar:NotionalAmountOfInterestRateDerivativesMaturingInReminderOfFiscalYear

us-gaap:InterestRateContract


Notional
Period End2021-06-302021-03-312020-09-30
Value450880250
Percentage of NotionalAmountOfInterestRateDerivativesMaturingInReminderOfFiscalYear100.0100.0100.0

pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearFive us-gaap:DerivativeInstrumentRisk

pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearFive

us-gaap:InterestRateContract


Notional
Period End2021-06-302021-03-312020-12-312020-09-30
Value30522458152
Percentage of NotionalAmountOfInterestRateDerivativesMaturingInYearFive100.0100.0100.0100.0

pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearFour us-gaap:DerivativeInstrumentRisk

pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearFour

us-gaap:InterestRateContract


Notional
Period End2021-06-302021-03-312020-12-312020-09-30
Value1073334169724
Percentage of NotionalAmountOfInterestRateDerivativesMaturingInYearFour100.0100.0100.0100.0

pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearOne us-gaap:DerivativeInstrumentRisk

pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearOne

us-gaap:InterestRateContract


Notional
Period End2020-12-31
Value1241
Percentage of NotionalAmountOfInterestRateDerivativesMaturingInYearOne100.0

pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearSix us-gaap:DerivativeInstrumentRisk

pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearSix

us-gaap:InterestRateContract


Notional
Period End2021-06-302021-03-312020-09-30
Value30744136
Percentage of NotionalAmountOfInterestRateDerivativesMaturingInYearSix100.0100.0100.0

pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearThree us-gaap:DerivativeInstrumentRisk

pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearThree

us-gaap:InterestRateContract


Notional
Period End2021-06-302021-03-312020-12-312020-09-30
Value758744761903
Percentage of NotionalAmountOfInterestRateDerivativesMaturingInYearThree100.0100.0100.0100.0

pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearTwo us-gaap:DerivativeInstrumentRisk

pcar:NotionalAmountOfInterestRateDerivativesMaturingInYearTwo

us-gaap:InterestRateContract


Notional
Period End2021-06-302021-03-312020-12-312020-09-30
Value9479419501188
Percentage of NotionalAmountOfInterestRateDerivativesMaturingInYearTwo100.0100.0100.0100.0

pcar:NotionalAmountOfInterestRateDerivativesMaturingThereafter us-gaap:DerivativeInstrumentRisk

pcar:NotionalAmountOfInterestRateDerivativesMaturingThereafter

us-gaap:InterestRateContract


Notional
Period End2021-06-302021-03-312020-12-312020-09-30
Value81819981
Percentage of NotionalAmountOfInterestRateDerivativesMaturingThereafter100.0100.0100.0100.0

pcar:ResidualValueGuarantees us-gaap:StatementBusinessSegments

pcar:ResidualValueGuarantees

pcar:TruckPartsAndOther


Residual
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value358439466541573591909699691629653
Percentage of ResidualValueGuarantees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:ResidualValueGuaranteesAndDeferredRevenues us-gaap:StatementBusinessSegments

pcar:ResidualValueGuaranteesAndDeferredRevenues

pcar:TruckPartsAndOther


Residual
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value4575876467538138421339107210479701093
Percentage of ResidualValueGuaranteesAndDeferredRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:ResidualValueGuaranteesAndDeferredRevenuesNoncurrent us-gaap:StatementBusinessSegments

pcar:ResidualValueGuaranteesAndDeferredRevenuesNoncurrent

pcar:TruckPartsAndOther


Residual
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value38440245748750654258764675381384283275868613391319127211361072112010991101104710069618829709821042104710931070952894903712
Percentage of ResidualValueGuaranteesAndDeferredRevenuesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

pcar:ResidualValueGuaranteesDueInFiveYears us-gaap:StatementBusinessSegments

pcar:ResidualValueGuaranteesDueInFiveYears

pcar:TruckPartsAndOther


Residual
Period End2020-12-31
Value15
Percentage of ResidualValueGuaranteesDueInFiveYears100.0

pcar:ResidualValueGuaranteesDueInFourYears us-gaap:StatementBusinessSegments

pcar:ResidualValueGuaranteesDueInFourYears

pcar:TruckPartsAndOther


Residual
Period End2020-12-31
Value15
Percentage of ResidualValueGuaranteesDueInFourYears100.0

pcar:ResidualValueGuaranteesDueInThreeYears us-gaap:StatementBusinessSegments

pcar:ResidualValueGuaranteesDueInThreeYears

pcar:TruckPartsAndOther


Residual
Period End2020-12-31
Value54
Percentage of ResidualValueGuaranteesDueInThreeYears100.0

pcar:ResidualValueGuaranteesDueInTwoYears us-gaap:StatementBusinessSegments

pcar:ResidualValueGuaranteesDueInTwoYears

pcar:TruckPartsAndOther


Residual
Period End2020-12-31
Value82
Percentage of ResidualValueGuaranteesDueInTwoYears100.0

pcar:ResidualValueGuaranteesDueThereafter us-gaap:StatementBusinessSegments

pcar:ResidualValueGuaranteesDueThereafter

pcar:TruckPartsAndOther