AAL


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

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities, us-gaap:ClassOfWarrantOrRight

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:CostsAndExpenses
us-gaap:ConsolidatedEntities

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:ConsolidatedEntities

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidatedEntities

us-gaap:IncomeTaxesPaid
us-gaap:ConsolidatedEntities

us-gaap:InterestExpense
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:InterestExpenseDebt

us-gaap:InterestPaidNet
us-gaap:ConsolidatedEntities

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

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NonoperatingIncomeExpense
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidatedEntities

us-gaap:OtherNonoperatingIncomeExpense
us-gaap:ConsolidatedEntities

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService, us-gaap:AirlineDestinations
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:AirlineDestinations

us-gaap:SellingAndMarketingExpense
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ProductOrService

us-gaap:Assets
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

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

us-gaap:AssetsCurrent
us-gaap:ConsolidatedEntities

us-gaap:Cash
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities

us-gaap:ReceivablesNetCurrent
us-gaap:ConsolidatedEntities

us-gaap:PrepaidExpenseAndOtherAssetsCurrent
us-gaap:ConsolidatedEntities

us-gaap:NoncurrentAssets
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:ConsolidatedEntities

us-gaap:Goodwill
us-gaap:ConsolidatedEntities

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill
us-gaap:ConsolidatedEntities

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:ConsolidatedEntities

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxAssetsLiabilitiesNet
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:ConsolidatedEntities

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

us-gaap:AccountsPayableCurrent
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ContractWithCustomerLiabilityCurrent
us-gaap:ProductOrService

us-gaap:LiabilitiesCurrent
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebtCurrent
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseLiabilityCurrent
us-gaap:ConsolidatedEntities

us-gaap:OtherAccruedLiabilitiesCurrent
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebt

us-gaap:LongTermDebtAndCapitalLeaseObligations
us-gaap:ConsolidatedEntities

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType

us-gaap:OtherLiabilitiesNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseLiabilityNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseLiability
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:LeaseContractualTerm
us-gaap:LeaseContractualTerm

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
us-gaap:ConsolidatedEntities

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

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock
us-gaap:ConsolidatedEntities

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:ConsolidatedEntities
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock
us-gaap:SubsidiarySaleOfStock

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInInvestingActivities
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInOperatingActivities
us-gaap:ConsolidatedEntities

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

us-gaap:NetCashProvidedByUsedInInvestingActivities
us-gaap:ConsolidatedEntities

us-gaap:PaymentsToAcquireProductiveAssets
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromIssuanceOfLongTermDebt
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:RepaymentsOfLongTermDebt
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:DeferredTaxAssetsNet
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromSaleOfShortTermInvestments
us-gaap:ConsolidatedEntities
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
aal:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtNetOfTaxAndOfferingCosts
us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName, us-gaap:ProductOrService
aal:CapacityPurchases
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:CounterpartyName, us-gaap:ProductOrService
us-gaap:ProductOrService
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
aal:ContractwithCustomerLiabilityIncreasefromDeferralOfRevenue
us-gaap:ProductOrService

aal:DebtRefinancingDebtExtinguishmentAndOtherExpense
us-gaap:ConsolidatedEntities

aal:DecreaseInFlightTravelComparedToPriorYearDomesticCapacityPercentage

aal:DecreaseInFlightTravelComparedToPriorYearLongHaulInternationalCapacityPercentage
us-gaap:StatementScenario

aal:DecreaseInFlightTravelComparedtoPriorYear
us-gaap:StatementScenario

aal:DecreaseInRevenueComparedtoPriorYear
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
aal:DefinedBenefitPlanContributionsMadeForPriorYearUnderCARESAct
us-gaap:RetirementPlanType

aal:FinancialAssistancePayrollSupportProgramCARESAct

aal:FleetEquipmentImpairmentAndInventoryWriteDown
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
aal:FlightEquipmentOperatingLeaseAndInventoryImpairmentLoss
us-gaap:ProductOrService

aal:IncreaseDecreaseInRestrictedShortTermInvestments
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
aal:MarktoMarketAdjustmentsIncomeLossforBankruptcyObligationsandOther
us-gaap:ProductOrService

aal:NonoperatingSpecialItemsNet
us-gaap:ConsolidatedEntities

aal:NumberOfTeamMembersOptingForEarlyRetirementOrLongTermPaidLeave

aal:OperatingAndNonoperatingSpecialChargesNet
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
aal:OtherOperatingSpecialChargesNet
us-gaap:ProductOrService

aal:OtherSignificantNoncashTransactionBankruptcySettlementObligation
us-gaap:ConsolidatedEntities

aal:PaymentsForRestructuringSalaryAndMedicalCosts
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
aal:PayrollSupportProgramGrant
us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities
us-gaap:ProductOrService
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
aal:PayrollSupportProgramTwoGrant
us-gaap:ProductOrService

aal:PayrollSupportProgramWarrantsIssued
us-gaap:DebtInstrument
aal:ProceedsFromGovernmentAssistancePayrollSupportProgramCARESAct
us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
aal:ProceedsFromSaleLeasebackTransactions

aal:ProceedsFromSaleOfPropertyPlantAndEquipmentAndSaleLeaseBackTransactions
us-gaap:ConsolidatedEntities

aal:RestructuringAndOtherExpenseIncomeMainline
us-gaap:ConsolidatedEntities

aal:RestructuringAndOtherNet
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ProductOrService

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:AdjustmentsToAdditionalPaidInCapitalWarrantIssued
us-gaap:ClassOfWarrantOrRight
us-gaap:ClassOfWarrantOrRight, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:AircraftMaintenanceMaterialsAndRepairs
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ProductOrService

us-gaap:AircraftRental
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ProductOrService

us-gaap:AirlineCapacityPurchaseArrangements
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ProductOrService
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AssetImpairmentCharges
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:ProductOrService
us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentPeriodicPayment

us-gaap:DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanContributionsByEmployer
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType, us-gaap:SubsequentEventType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPlanAmendments
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost
us-gaap:RetirementPlanType

us-gaap:DepreciationAndAmortization
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ProductOrService

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss
us-gaap:ConsolidatedEntities

us-gaap:FuelCosts
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ProductOrService

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InvestmentIncomeInterest
us-gaap:ConsolidatedEntities

us-gaap:LaborAndRelatedExpense
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ProductOrService

us-gaap:LandingFeesAndOtherRentals
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ProductOrService
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseImpairmentLoss
us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTax
us-gaap:ConsolidatedEntities

us-gaap:OtherCostAndExpenseOperating
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ProductOrService
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:OtherLaborRelatedExpenses
us-gaap:ProductOrService

us-gaap:PaymentsForProceedsFromOtherInvestingActivities
us-gaap:ConsolidatedEntities

us-gaap:PaymentsOfDebtIssuanceCosts
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:PaymentsOfOrdinaryDividends

us-gaap:PaymentsToAcquireShortTermInvestments
us-gaap:ConsolidatedEntities
us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock
us-gaap:ProceedsFromIssuanceOfCommonStock
us-gaap:SubsidiarySaleOfStock

us-gaap:ProceedsFromIssuanceOrSaleOfEquity
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:ProceedsFromLinesOfCredit
us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:ConsolidatedEntities

us-gaap:ReclassificationFromAociCurrentPeriodTax
us-gaap:ConsolidatedEntities
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:RepaymentsOfDebt

us-gaap:RepaymentsOfDebtAndCapitalLeaseObligations
us-gaap:ConsolidatedEntities

us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminated

us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
us-gaap:ConsolidatedEntities

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:SeveranceCosts1
us-gaap:ProductOrService

us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock
us-gaap:SubsidiarySaleOfStock

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

aal:AvailableLiquidity
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrument
aal:ClassOfWarrantOrRightAdditionalWarrantsPercentageOfBorrowing
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrument
aal:ClassOfWarrantOrRightFairValueOfWarrantsOrRights
us-gaap:DebtInstrument
aal:ClassOfWarrantOrRightNumberOfSharesCalledByWarrantsAuthorized
us-gaap:DebtInstrument
aal:ClassOfWarrantOrRightNumberOfWarrantsAuthorized
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
aal:ClassOfWarrantOrRightNumberOfWarrantsIssued

aal:CollectiveBargainingArrangementPercentageOfEmployersParticipantsUnderAgreementsCurrentlyAmendable

aal:CollectiveBargainingArrangementPercentageofEmployersParticipants
us-gaap:ConsolidatedEntities

aal:CommonStockCapitalSharesReservedForIssuanceInDisputedClaimsReserve
us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock
aal:CommonStockRemainingAuthorizedAmountAvailableForIssuanceValue
us-gaap:SubsidiarySaleOfStock
aal:CommonStockSharesAuthorizedRemainingAuthorizedAmount
us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock
aal:CommonStockSharesAuthorizedValue
us-gaap:SubsidiarySaleOfStock
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
aal:ContractWithCustomerLiabilityTravelCredits
us-gaap:ProductOrService
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
aal:ConvertibleDebtIfConvertedValueInExcessOfPrincipalAmount
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
aal:DebtInstrumentAgreedAmountUnderPayrollSupportProgramTwo
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
aal:DebtInstrumentEscrowedProceeds
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
aal:DebtInstrumentMandatoryPrepaymentAmountThresholdNetProceedsFromPrePaidFrequentFlyer
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
aal:DebtInstrumentUnamortizedDiscountExpectedAmortizationYearFive
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
aal:DebtInstrumentUnamortizedDiscountExpectedAmortizationYearFour
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
aal:DebtInstrumentUnamortizedDiscountExpectedAmortizationYearOne
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
aal:DebtInstrumentUnamortizedDiscountExpectedAmortizationYearSix
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
aal:DebtInstrumentUnamortizedDiscountExpectedAmortizationYearThree
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
aal:DebtInstrumentUnamortizedDiscountExpectedAmortizationYearTwo
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

aal:DeferredTaxAssetsLeases
us-gaap:ConsolidatedEntities

aal:DeferredTaxLiabilitiesAcceleratedDepreciationAndAmortization
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
aal:DefinedBenefitPlanExpectedCurrentYearEmployerContributionsDeferredUnderCARESAct
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
aal:DefinedBenefitPlanPlanwithAccumulatedBenefitObligationinExcessofPlanAssetsAmountInExcessOfPlanAssets
us-gaap:RetirementPlanType

aal:FlightEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
us-gaap:ConsolidatedEntities

aal:GroundPropertyAndEquipmentGross
us-gaap:ConsolidatedEntities

aal:LesseeOperatingLeaseLeaseNotyetCommencedPaymentsDue
us-gaap:ConsolidatedEntities

aal:LettersofCreditOutstandingandSuretyBondsAmount
us-gaap:ConsolidatedEntities
us-gaap:UnderlyingAssetClass
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
aal:LineOfCreditFacilityIncreaseInMaximumBorrowingCapacity
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate
aal:LongTermDebtAverageInterestRate
us-gaap:SubsequentEventType
aal:NumberOfEmployeesFurloughed
us-gaap:ConsolidatedEntities, us-gaap:IncomeTaxAuthority
aal:OperatingLossCarryforwardsNotSubjectToExpiration
us-gaap:IncomeTaxAuthority
us-gaap:ConsolidatedEntities, us-gaap:IncomeTaxAuthority
aal:OperatingLossCarryforwardsSubjectToExpiration
us-gaap:IncomeTaxAuthority
us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities
aal:PayrollSupportProgramGrantDeferredInOtherAccruedLiabilities
us-gaap:BalanceSheetLocation
aal:PropertyPlantAndEquipmentNonoperatingRetiredAircraft
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation
aal:PropertyPlantAndEquipmentRetiredAircraftToBeSold
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
us-gaap:ConsolidatedEntities, us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:PropertyPlantAndEquipmentByType
aal:PropertyPlantEquipmentCostIncurredToDate
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
aal:RestrictedCashAndCashEquivalentsAndShorttermInvestmentsFairValueDisclosure
us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

dei:EntityCommonStockSharesOutstanding

dei:EntityNumberOfEmployees
us-gaap:ConsolidatedEntities
us-gaap:ProductOrService

us-gaap:AirlineRelatedInventoryNet
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:AociBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:AociTaxAttributableToParent
us-gaap:ConsolidatedEntities
us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject
us-gaap:AreaOfRealEstateProperty
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:CashCashEquivalentsAndShortTermInvestments
us-gaap:ConsolidatedEntities
us-gaap:CounterpartyName, us-gaap:StatementScenario
us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:ClassOfWarrantOrRight, us-gaap:DebtInstrument
us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
us-gaap:CounterpartyName, us-gaap:StatementScenario
us-gaap:StatementScenario, us-gaap:ClassOfWarrantOrRight
us-gaap:StatementScenario, us-gaap:DebtInstrument

us-gaap:ContractWithCustomerLiability
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ProductOrService
us-gaap:ProductOrService

us-gaap:ContractWithCustomerLiabilityNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:DebtInstrumentCarryingAmount
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtWeightedAverageInterestRate
us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:DeferredIncomeTaxAssetsNet
us-gaap:ConsolidatedEntities

us-gaap:DeferredIncomeTaxLiabilities
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxAssetsFrequentFlierLiability
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxAssetsGross
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxAssetsOther
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxLiabilitiesLeasingArrangements
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxLiabilitiesOther
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryPercentage
us-gaap:ConsolidatedEntities, us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:EquitySecuritiesByInvestmentObjective
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:EquitySecuritiesByInvestmentObjective
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:EquitySecuritiesByInvestmentObjective, us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
us-gaap:RetirementPlanType

us-gaap:DepositsOnFlightEquipment
us-gaap:ConsolidatedEntities

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:ConsolidatedEntities
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:ConsolidatedEntities, us-gaap:AwardType
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:FinanceLeaseLiability
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityCurrent
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDue
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseRightOfUseAsset
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent
us-gaap:ConsolidatedEntities

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:ConsolidatedEntities

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
us-gaap:ConsolidatedEntities

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
us-gaap:ConsolidatedEntities

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
us-gaap:ConsolidatedEntities

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FlightEquipmentGross
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:GuaranteeObligationsMaximumExposure
us-gaap:ConsolidatedEntities, us-gaap:LeaseContractualTerm
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LeaseContractualTerm

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:CreditFacility
us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongTermDebtPercentageBearingVariableInterestRate
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongtermDebtPercentageBearingVariableInterestAmount
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority

us-gaap:OtherAssetsMiscellaneousNoncurrent
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent
us-gaap:RetirementPlanType

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:Range, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentSalvageValuePercentage
us-gaap:Range, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:ConsolidatedEntities, us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:PurchaseObligation
us-gaap:ConsolidatedEntities, us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:ConsolidatedEntities, us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:PurchaseObligationDueAfterFifthYear
us-gaap:ConsolidatedEntities, us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:ConsolidatedEntities, us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:PurchaseObligationDueInFifthYear
us-gaap:ConsolidatedEntities, us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:ConsolidatedEntities, us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:PurchaseObligationDueInFourthYear
us-gaap:ConsolidatedEntities, us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:ConsolidatedEntities, us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:PurchaseObligationDueInNextTwelveMonths
us-gaap:ConsolidatedEntities, us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:ConsolidatedEntities, us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:PurchaseObligationDueInSecondYear
us-gaap:ConsolidatedEntities, us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:ConsolidatedEntities, us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:PurchaseObligationDueInThirdYear
us-gaap:ConsolidatedEntities, us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:ConsolidatedEntities
us-gaap:RelatedPartyTransactionDueFromToRelatedPartyCurrent
us-gaap:ConsolidatedEntities, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RestrictedCashAndCashEquivalents
us-gaap:ConsolidatedEntities

us-gaap:RestrictedCashAndInvestmentsCurrent
us-gaap:ConsolidatedEntities

us-gaap:RestrictedCashCurrent
us-gaap:ConsolidatedEntities
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:ConsolidatedEntities, us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:ConsolidatedEntities, us-gaap:AwardType
us-gaap:ShareRepurchaseProgram
us-gaap:StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
us-gaap:ShareRepurchaseProgram
us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:UnamortizedDebtIssuanceExpense
us-gaap:ConsolidatedEntities, us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary
us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:ConsolidatedEntities, us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:ConsolidatedEntities, us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary
us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:ConsolidatedEntities, us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary
us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:ConsolidatedEntities, us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:ConsolidatedEntities, us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
us-gaap:ConsolidatedEntities, us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance
us-gaap:ValuationAllowancesAndReservesType

Plots across concepts


IncomeStatement
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interest
Expenses
Income Tax Expense Benefit
Balance Sheet
Stockholders Equity
Assets
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
Current Assets
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
NonCurrent Assets
Intangible Assets Net Excluding Goodwill
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Employee Related Liabilities Current
Noncurrent Liabilities
Other Liabilities Noncurrent
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Payments For Repurchase Of Common Stock
Shares
Weighted Average Number Of Share Outstanding Basic And Diluted
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net

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 ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████████████6.06.06.05.05.04.04.04.05.05.05.05.05.05.05.05.05.05.05.05.05.06.06.06.07.07.07.07.07.06.03.0342.0341.0341.0341.0341.0341.0341.0341.0341.0341.0339.0339.0NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁656.372634.609NA509.049428.807425.713435.659442.401445.587453.429461.915461.507464.618474.598479.382486.625492.965507.797518.358528.51566.04611.488644.14680.739707.611716.93724.767735.196734.767741.335276.326388.0388.0335.0142.59335.0335.0335.0NA335.0335.0333.0NA389.0333.0NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁644.123634.609NA509.049428.807425.713434.578441.915445.008451.951460.589460.526463.533472.297477.165484.772490.818503.902514.571525.415563.0606.245626.559661.869688.727696.415706.185719.067720.6723.971276.326336.0335.0335.0125.232335.0335.0335.0NA335.0335.0333.0NA333.0333.0NA
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted NANA571.984509.049428.807425.713NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:ConvertibleDebtSecurities▄▄61.72861.728NA61.7284.07NANANA0.0NANANANANANANANANANANANANANANANANANANA0.00.0NANA0.00634.581NANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:RestrictedStockUnitsRSU▁█1.1823.255NA4.5595.7814.934NA2.593.087NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities,us-gaap:ClassOfWarrantOrRight us-gaap:Warrant,aal:PayrollSupportProgramOneWarrantsCARESActNA4.957NANA6.368NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities,us-gaap:ClassOfWarrantOrRight us-gaap:Warrant,aal:PayrollSupportProgramTwoWarrantsCARESActNA0.52NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities,us-gaap:ClassOfWarrantOrRight us-gaap:Warrant,aal:PayrollSupportProgramWarrantsCARESActNANANA0.025NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities,us-gaap:ClassOfWarrantOrRight us-gaap:Warrant,aal:TreasuryLoanWarrantAgreementCARESActNA1.545NA0.001NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▅▄▃▂▂▂▆▆▆▅▅▅▆▅▅▆▆▅▅▆▆▆█▆▆▆▆▆▆▅▁▆▅▄▅▅▅▂▃▅▅▄▅▅▅▄0.03-1.97-3.5999999999999996-4.71-4.82-5.260.950.961.490.410.710.741.220.390.541.291.640.460.561.41.691.155.242.562.471.340.841.311.20.66-7.240.860.65-1.020.78-0.71-0.72-4.95-3.27-0.48-0.85-1.31-0.290.43-0.03-1.52
us-gaap:EarningsPerShareDiluted ▅▄▃▂▂▂▆▆▆▅▆▆▆▅▅▆▆▅▅▆▆▆█▇▆▆▆▆▆▅▁▆▅▅▆▅▅▂▃▅▅▄▅▅▅▄0.03-1.97-3.5999999999999996-4.71-4.82-5.260.950.961.490.410.70.741.220.390.541.281.630.460.561.41.681.145.092.492.411.30.821.281.170.65-7.240.760.59-1.020.69-0.71-0.72-4.95-3.27-0.48-0.85-1.31-0.290.39-0.03-1.52
us-gaap:EarningsPerShareBasicAndDiluted NANA-3.81-4.71-4.82-5.26NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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
 Cost Ratio us-gaap:ConsolidatedEntities srt:Subsidiaries▅▃▃▂▁▆███▇▇██▇▇▇█▇7478.04008.04027.03172.01622.08514.011312.011910.011958.010581.010936.011556.011640.010398.010607.010962.011224.09817.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidatedEntities srt:Subsidiaries▅▃▃▂▁▆███▇▇██▇▇▇7478.04008.04027.03172.01622.08514.011312.011910.011958.010581.010936.011556.011640.010398.010607.010962.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidatedEntities srt:Subsidiaries▅▃▃▂▁▆███▇▇██▇▇▇█▇7478.04008.04027.03172.01622.08514.011312.011910.011958.010581.010936.011556.011640.010398.010607.010962.011224.09817.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 TTM Greenblatt ROC _ _▆▃▂▁▂▁▆▆▇▆▆▆▇▆▆▇▇▆▆▇█▇▇██▇▆▇▇▆▅▆▆▅▅▅▅▅▄▅▅▅▅441.0-1315.0-2515.0-2871.0-2486.0-2549.0729.0808.01153.0375.0571.0649.01028.0431.0690.01232.01535.0601.0767.01431.01751.01335.01068.01999.01921.01216.0860.01260.01399.0730.0115.0698.0489.052.03.051.0142.0-89.0-783.039.0-78.0-232.068.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▄▃▁▁▂▁▄▅▅▄▅▅▅▄▅▅▅▅▄▅▅▅█▆▆▅▂▅▆▅▃▅▄▄▄▆▄▂▂▄▄▄58.0-1183.0-2805.0-2412.0-2050.0-2390.029.0406.0644.0172.0247.0324.0551.0168.0231.0609.0788.0220.0-16.0722.0936.0683.03200.01663.01674.0901.0-2069.0895.01153.0377.0-943.0289.0160.0-391.0-616.01591.0-287.0-1580.0-2276.0-332.0-566.0-14.0NANANANA
us-gaap:CostsAndExpenses ▄▂▃▃▁█▇██▇▇██▇▇▇▆▆▆▆▆▅▅▆▆▆▆▇▇▆▄▃▃▃▃▃▃▃▄▃▃▃▂▂▂▂7037.05323.06542.06044.04108.011064.010584.011103.010807.010209.010367.010910.010615.09970.09910.09646.09570.09023.09022.09163.08612.08100.08562.08707.08906.08611.09300.09879.09956.09265.07252.06130.05960.06046.05930.06378.06310.06126.06740.06337.06192.05765.05518.05500.05478.05366.0
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▆▃▁▁▂▁▆▆▇▆▆▆▇▆▆▇▇▆▆▇█▇▆██▇▆▇▇9.0-1573.0-2809.0-3095.0-2659.0-2890.0571.0557.0882.0245.0386.0456.0769.0273.0425.01004.01291.0365.0500.01189.01493.01117.0245.01709.01719.0943.0567.0949.01204.0NANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▇▆▆▆▆▆▇▇▇▇▇▇▇▇▇██▇▇███▁▇▇▇▇▇█▇▆▇▇▇▆▇▇▇▇▇▇▇-10.0-323.0-631.0-696.0-592.0-649.0157.0132.0220.060.068.0115.0203.087.0167.0380.0488.0131.0211.0452.0543.0417.0-3036.016.015.011.0-30.07.0340.013.0-324.00.00.0-22.0-569.00.00.00.00.00.00.00.0NANANA0.0
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidatedEntities srt:Subsidiaries▄▂▁▁▁▁▄▄▅▄▄▄▄▄█▅-1.0-314.0-601.0-660.0-564.0-628.0161.0160.0237.074.067.0133.0218.0105.01100.0417.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxesPaid NANA4.00.00.02.03.01.01.03.02.03.010.03.05.06.05.04.06.03.03.04.0-2.012.07.03.0-1.03.02.03.02.04.04.02.0NANANANANANANANANANANANA
 us-gaap:IncomeTaxesPaid us-gaap:ConsolidatedEntities srt:SubsidiariesNANA4.00.00.02.03.01.01.03.02.02.09.03.05.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense █▆▆▅▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▃▂▂▁▃▁▁▁▁▂▂▂▂▂▂▂▂486.0371.0376.0340.0254.0257.0265.0284.0275.0271.0261.0265.0266.0265.0266.0266.0263.0257.0253.0250.0249.0239.0229.0219.0223.0210.0220.0210.0214.0243.0219.0206.0169.0262.0159.0161.0164.0178.0200.0211.0215.0200.0201.0204.0209.0209.0
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType aal:SeniorNotes6.50Due2025,us-gaap:SeniorNotesNANANA16.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestPaidNet ▃█▄▄▄▄▅▄▅▄▅▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃▅▃▃▅▄▁▂208.0479.0229.0214.0262.0239.0294.0258.0292.0267.0290.0259.0284.0258.0262.0262.0261.0255.0250.0235.0251.0228.0225.0215.0214.0219.0174.0273.0163.0204.0282.0241.065.0125.0NANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▄▂▁▁▁▁▄▄▅▄▄▄▅▄▄▅▅▄▄▅▅▅█▆▆▅▅▅▅▅▁▄▄▄▄▄▄▂▃▄▄▃▄▄▄▃19.0-1250.0-2178.0-2399.0-2067.0-2241.0414.0425.0662.0185.0325.0341.0566.0186.0258.0624.0803.0234.0289.0737.0950.0700.03281.01693.01704.0932.0597.0942.0864.0480.0-2000.0289.0220.0-341.0263.0-238.0-241.0-1660.0-1095.0-162.0-286.0-436.0-97.0143.0-11.0-505.0
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted 19.0NA-2178.0-2399.0-2067.0-2241.0414.0425.0662.0185.0318.0341.0566.0186.0258.0624.0803.0234.0289.0737.0950.0700.03281.01693.01704.0932.0597.0942.0862.0485.0-2023.0296.0227.0-341.0263.0-238.0-241.0-1660.0-1095.0-162.0-286.0NANANANANA
us-gaap:NonoperatingIncomeExpense ▄▅▅▅▆▅▆▅▅▆▆▆▅▆▅▅▅▅▅▅▅▅▁▅▆▅▅▅▆▅▅▅▆▅█▆▆▆▆▆▆▆▆▆▆▆-432.0-258.0-294.0-224.0-173.0-341.0-158.0-251.0-271.0-130.0-162.0-193.0-259.0-158.0-265.0-228.0-244.0-236.0-267.0-242.0-258.0-218.0-823.0-290.0-202.0-273.0-293.0-311.0-195.0-237.0-266.0-258.0-145.0-255.0132.0-152.0-153.0-170.0-193.0-201.0-208.0-204.0-201.0-199.0-207.0-207.0
 us-gaap:NonoperatingIncomeExpense us-gaap:ConsolidatedEntities srt:Subsidiaries▁▄▅▆▇▄█▆▅█▇▆▅▇▅▆-389.0-215.0-200.0-127.0-91.0-261.0-65.0-160.0-176.0-41.0-102.0-133.0-187.0-98.0-182.0-146.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NonoperatingIncomeExpense us-gaap:ConsolidatedEntities,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents srt:Subsidiaries,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit▄▄-3.0-3.0NA20.034.036.0NA40.041.040.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NonoperatingIncomeExpense us-gaap:ConsolidatedEntities,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents srt:Subsidiaries,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss▄▄-36.0-36.0NA-27.0-30.0-27.0NA-22.0-23.0-24.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NonoperatingIncomeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit▄▄-3.0-3.0NA20.034.036.0NA40.041.040.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NonoperatingIncomeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss█▁-36.0-37.0NA-28.0-30.0-27.0NA-22.0-23.0-24.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss ▆▃▂▁▂▁▆▆▇▆▆▆▇▆▆▇▇▆▆▇█▇▇██▇▆▇▇▆▅▆▆▅▅▅▅▅▄▅▅▅▅▆▅▅441.0-1315.0-2515.0-2871.0-2486.0-2549.0729.0808.01153.0375.0571.0649.01028.0431.0690.01232.01535.0601.0767.01431.01751.01335.01068.01999.01921.01216.0860.01260.01399.0730.0115.0698.0489.052.03.051.0142.0-89.0-783.039.0-78.0-232.068.0342.0196.0-298.0
us-gaap:OtherNonoperatingIncomeExpense ▆▇▆▇▆▅▆▆▆▇▆▆▆▆▆▆▆▆▆▆▆▆▁▅▆▅▅▅▆▆▆▅▆▆█▆▆▆▆▆▆▆▆▆▆▆49.0109.077.0111.071.0-105.083.0-1.0-31.0108.065.043.0-23.082.0-23.013.0-5.034.0-32.0-8.0-25.08.0-604.0-81.011.0-73.0-82.0-108.011.0-1.0-18.0-67.06.0-9.0271.0-11.0-8.0-10.0-11.0-7.0-10.0-18.0-13.0-10.0-12.0-13.0
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▅▃▃▂▁▆███▇▇██▇▇▇█▇▇▇▇▆▆▇▇▇▇▇█▇▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃7478.04008.04027.03173.01622.08515.011313.011911.011960.010584.010938.011559.011643.010401.010611.010965.011227.09820.09789.010594.010363.09435.09630.010706.010827.09827.010160.011139.011355.09995.07367.06828.06449.06098.05937.06429.06452.06037.05956.06376.06114.05533.05586.05842.05674.05068.0
us-gaap:SellingAndMarketingExpense ▅▃▂▁▁▆███▇▇▇▇▇▇█▇▆▆▇▆▆▇▇▇▆▇▇██277.0151.095.070.043.0305.0408.0424.0401.0370.0384.0395.0385.0356.0383.0400.0376.0318.0333.0347.0334.0308.0343.0366.0350.0336.0348.0393.0402.0401.0NANANANANANANANANANANANANANANANA
  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 █▇▇▇▇▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▁▁▁▁▁▁▁▁▁▁▂▁72464.068649.062008.062773.064544.058580.059995.061175.061967.060787.060580.052635.052622.053280.051396.052401.053336.052627.051274.051108.051051.049909.048415.048715.047868.046754.043771.044173.044811.043737.042278.026780.026216.023852.023510.023927.024726.024511.023848.024719.025787.027113.025088.0NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▇▇▇▇▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▁▁▁▁▁▁▁▁▁▁▂▁72464.068649.062008.062773.064544.058580.059995.061175.061967.060787.060580.052635.052622.053280.051396.052401.053336.052627.051274.051108.051051.049909.048415.048715.047868.046754.043771.044173.044811.043737.042278.026780.026216.023852.023510.023927.024726.024511.023848.024719.025787.027113.025088.0NANANA
us-gaap:StockholdersEquity ▂▁▂▃▄▄▅▅▅▅▅▅▅▅▇▇▇▇▇▇▇██▇▇▇▆█▇▆▄▂▁▁▁▂▁▁▂▃▃▃▃-7667.0-7945.0-6867.0-5528.0-3169.0-2636.0-118.0160.0-22.0-636.0-169.0-568.0-869.0-1018.03926.03948.03715.03457.03785.04391.04312.04710.05635.03762.03636.02764.02021.04971.04086.01095.0-2731.0-7922.0-8216.0-8376.0-7987.0-7375.0-8968.0-8686.0-7111.0-4833.0-4509.0-3949.0-3945.0NANANA
 us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities srt:Subsidiaries▁▁▂▄▅▆███▇▇▇▆▆▆3347.03237.04348.06988.09258.011178.013422.013260.012740.012012.011770.011240.010974.010360.09888.0NANANA8580.0NANANA9698.0NANANANANANANANANANANANANANANANANANANANANANANA
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 us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities,us-gaap:StatementEquityComponents srt:Subsidiaries,us-gaap:RetainedEarnings▁▁▂▃▅▆██▇▇▆▆▆▆▅-6672.0-6723.0-5508.0-3471.0-1195.0773.02942.02421.01904.01190.0338.0553.0120.0-489.0-1577.0NANANA-2862.0NANANA-1992.0NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption srt:CumulativeEffectPeriodOfAdoptionAdjustmentNANA-301.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:CommonStock███▄▄▁▁▁▄▄▄▄▄▄▄6.06.06.05.05.04.04.04.05.05.05.05.05.05.05.0NANANA5.0NANANA6.0NANANA7.0NANANA3.0NANANA341.0NANANA341.0NANANA339.0NANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁▁▂▃▅▆▇▇▇▆▆▆▆▆█-7876.0-7895.0-6664.0-4487.0-2088.0-21.02264.01894.01514.0897.0136.0480.0154.0-355.03361.0NANANA1640.0NANANA-1230.0NANANA-8562.0NANANA-11296.0NANANA-9462.0NANANA-7586.0NANANA-5607.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent █▆▃▃▄▁▂▂▂▂▂▂▂▂▂▂▃▃▃▃▃▃▂▄▄▄▃▄▅▅▄▃▂▁▁▁▂▁▁▁▂▂▁22647.018089.011095.012340.013789.07175.08206.09572.09850.08654.08637.09498.09176.09673.09146.010002.011016.010626.010324.011048.011184.010802.09985.013706.014109.014129.012112.013450.014966.015193.014323.010241.09635.07525.07072.07303.07984.07778.06757.06838.07997.08825.06838.0NANANA
us-gaap:Cash ▂▂▁▂▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▃▃▂▆▆▇▆▇██▇▅▄▄▃▃▂▂▂▂▂▂▁325.0277.0245.0253.0462.0474.0280.0312.0319.0337.0275.0303.0293.0297.0295.0340.0386.0374.0322.0381.0446.0495.0390.01016.0952.01048.0994.01178.01210.01259.01140.0717.0604.0606.0480.0508.0371.0375.0283.0304.0318.0286.0168.0NANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇▆▅▁▇█▁▂▃▃▁▂▂▅▅▆█▇▆465.0434.0399.0297.0467.0486.0290.0323.0330.0348.0286.0314.0305.0400.0398.0444.0489.0467.0436.0NANANA507.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ReceivablesNetCurrent ▃▂▄▃▂▂▆▆▇▇▆█▇▆▆▆▅▄▅▆▅▄▄▆▇▆▆▇▇▇▅▄▄▃▃▃▃▃▂▂▂▂▁1249.0971.01342.01135.0879.01020.01750.01850.01943.01876.01706.02170.01941.01809.01752.01700.01543.01397.01594.01703.01593.01450.01425.01828.01892.01826.01771.01961.01981.02008.01560.01340.01376.01243.01124.01160.01129.01056.0902.0925.0945.0922.0738.0NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▂▂▂▃▄▂▂▂▂▂▁▃▄▃▂▃▃▄▂▄▃▃▃▇█▇▆660.0615.0666.0780.0905.0650.0621.0596.0635.0607.0495.0743.0856.0824.0651.0826.0827.0856.0639.0855.0834.0845.0748.01285.01482.01378.01260.0NANANA1465.0NANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NoncurrentAssets NANANA42000.043400.044600.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:ConsolidatedEntities srt:SubsidiariesNANANA41500.043000.044100.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross NANANA48926.049844.050647.053654.053119.052816.052156.051541.051500.051149.050492.049802.048727.048121.046931.045353.044323.043415.042026.040654.039207.038085.036551.035343.0NANANA30392.0NANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:ConsolidatedEntities srt:SubsidiariesNANANA48239.049156.049964.052976.052429.052137.051501.050923.050905.0NANA49216.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANANA16670.016493.016441.018659.018500.018114.017746.017443.017277.016725.016159.015646.015416.015128.014640.014194.014019.013804.013393.013144.012915.012797.012509.012259.0NANANA11133.0242.0232.0-219.0-205.0-198.0-197.0199.0448.0NA11300.0NA11100.0NANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:ConsolidatedEntities srt:SubsidiariesNANANA16318.016150.016111.018335.018152.017776.017418.017123.016964.0NANA15354.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet NANANA32256.033351.034206.034995.034619.034702.034410.034098.034223.034424.034333.034156.033311.032993.032291.031159.030304.029611.028633.027510.026292.025288.024042.023084.022163.021236.019944.019259.013225.013289.013036.013119.013322.013471.013596.013913.014742.014752.014757.014838.0NANANA
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us-gaap:Goodwill ▄▄▄▄▄▄▄▄▄▄█▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▂▂▂▁4091.04091.04091.04091.04091.04091.04091.04091.04091.04091.04100.04091.04091.04091.04091.04091.04091.04091.04091.04091.04091.04091.04091.04091.04091.04091.04091.04089.04089.04089.04086.0NANANA0.0NANANANANANANANANANANA
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill NANA1800.01800.01800.01800.01800.0NANANA1900.0NANANA1900.0NANANA1800.0NANANA1800.0NANANA1700.0NANANA1800.0NANANA708.0NANANANANANANANANANANA
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us-gaap:IntangibleAssetsNetExcludingGoodwill ▁▁▂▂▂▂▃▃▃▄▄▅▅▆▆▆▇▇▅▆▆▇▇▇██▇2008.02019.02029.02039.02049.02059.02084.02095.02105.02115.02137.02147.02157.02193.02203.02214.02224.02236.02173.02189.02213.02236.02249.02261.02274.02281.02240.0NANANA2311.0NANANANANANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA197.0NANANA238.0NANANA279.0NANANA320.0NANANA364.0NANANA440.0NANANA496.0NANANA554.0NANANA161.0NANANA186.0NANANA224.0NANANA
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us-gaap:DeferredTaxAssetsLiabilitiesNet NANA3230.0NANANA616.0NANANA1135.0NANANA394.0NANANA1487.01524.01965.02072.02477.0NANANA-538.0NANANA-520.0NANANA0.0NANANA0.0NANANA25.0NANANA
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us-gaap:OperatingLeaseRightOfUseAsset ▁▁▁▁▃▅▆▆███7958.08000.08039.07979.08323.08619.08737.08842.09102.09124.09151.0NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ███▇▆▆▅▆▆▆▆▆▆▆▅▆▆▇▇▇▇▇▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁11654.011663.011175.010198.09081.08580.08057.08142.08313.08599.08694.08914.09022.09274.08094.09088.09327.09710.09791.09756.010256.010474.010920.02365.02106.02211.02244.02166.02190.02192.02299.02214.02172.02159.02167.02129.02077.01928.01891.01827.01716.02247.02236.0NANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:ConsolidatedEntities,us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency srt:Subsidiaries,us-gaap:FairValueInputsLevel1,us-gaap:FairValueMeasurementsRecurring▃▅▃▂▁▁▅▄▆█▄▅168.0201.0161.0146.0128.0122.0204.0183.0214.0265.0189.0211.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:ConsolidatedEntities,us-gaap:FairValueByMeasurementFrequency srt:Subsidiaries,us-gaap:FairValueMeasurementsRecurring▃▅▃▂▁▁▅▄▆█▄▅168.0201.0161.0146.0128.0122.0204.0183.0214.0265.0189.0211.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel1,us-gaap:FairValueMeasurementsRecurring▃▅▃▂▁▁▅▄▆█▄▅168.0201.0161.0146.0128.0122.0204.0183.0214.0265.0189.0211.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueMeasurementsRecurring▃▅▃▂▁▁▅▄▆█▄▅168.0201.0161.0146.0128.0122.0204.0183.0214.0265.0189.0211.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 █▅▂▁▂▅▇▇██▆▆▇▇▅▅▇▆▅▅▇▆▄▄▅▄▃▄▅▅▃▃▄▄▂▃▃▃▁▂▃▃▂2172.01624.01196.01077.01175.01648.02062.01932.02118.02139.01773.01886.02053.01953.01688.01638.01924.01882.01592.01673.01944.01913.01563.01525.01683.01587.01377.01498.01653.01646.01368.01307.01507.01440.01244.01283.01362.01336.01007.01150.01291.01267.01156.0NANANA
 us-gaap:ContractWithCustomerLiabilityCurrent us-gaap:ConsolidatedEntities,us-gaap:ProductOrService srt:Subsidiaries,aal:AirTraffic█▄▂▂▃▄▂▄▅▅▁▃7095.05598.04757.04903.05119.05473.04808.05569.05956.05930.04339.05040.0NANA4042.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ContractWithCustomerLiabilityCurrent us-gaap:ConsolidatedEntities,us-gaap:ProductOrService srt:Subsidiaries,aal:LoyaltyProgram▄▃▁▁▃▇▇▇███▇2632.02323.02033.02051.02354.03094.03193.03197.03310.03354.03267.03242.0NANA3121.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ContractWithCustomerLiabilityCurrent us-gaap:ProductOrService aal:AirTraffic█▄▂▂▃▄▂▄▅▅▁▃7095.05598.04757.04903.05119.05473.04808.05569.05956.05930.04339.05040.0NANA4042.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ContractWithCustomerLiabilityCurrent us-gaap:ProductOrService aal:LoyaltyProgram▄▃▁▁▃▇▇▇███▇2632.02323.02033.02051.02354.03094.03193.03197.03310.03354.03267.03242.0NANA3121.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent █▆▅▅▆▇▆▇▇▇▆▅▅▆▄▅▅▅▄▄▄▅▄▄▄▄▄▄▅▅▄▂▂▂▁▂▂▁▁▁▂▂▁21521.017333.016569.016584.018000.019213.018311.019560.020123.019849.018096.016348.016669.017008.014964.015307.016112.015286.013872.014533.014917.015277.013605.014161.015045.014233.013435.013888.015088.015079.013806.010098.010669.09990.09304.09586.010066.09543.08630.08923.09766.09853.08780.0NANANA
us-gaap:LongTermDebtCurrent ▃▁▃▃▂▇▃█▇▇▆2692.02339.02697.02610.02471.03415.02749.03504.03417.03286.03213.0NANANA2476.0NANANANANANANANANANANANANANANANA1335.01298.01256.01388.01508.01598.01593.01518.01374.01741.01862.01776.0NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▁▁▃▆█▆▅▄▃▂▃1587.01595.01651.01736.01804.01752.01708.01672.01639.01629.01654.0NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent █▁▂▁▇▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▃▂▂▂▂▁▁▆▇▇█3657.02173.02419.02188.03455.02095.02138.02169.02296.02210.02342.02301.02401.02359.02281.02243.02323.02272.02208.02234.02436.02344.02334.02302.02271.02162.02097.03128.03350.03355.03607.0NANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LiabilitiesNoncurrent ██▇▆▆▄▄▄▄▄▅▃▃▃▂▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▂58610.059261.052306.051717.049713.042003.041802.041455.041866.041574.042653.036855.036822.037290.032506.033146.033509.033884.033617.032184.031822.029922.029175.030792.029187.029757.028315.025314.025637.027563.031203.0NANANA15880.0NANANANANANANANANANANA
us-gaap:LongTermDebt ██▅▅▄▁▁▁▁▁▁36729.036785.029324.029593.028193.021033.020896.021055.021222.020065.020566.0NANANA21818.0NANANANANANANANANANANANANANANANANANANA8123.0NANA2238.02482.010926.011169.0NA10532.0NANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations ██▆▆▅▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁37201.037247.029796.030076.028698.021564.021454.021625.021791.020660.021179.022274.021863.021946.022511.022217.022525.022829.022489.021545.021131.019134.018330.018849.017152.017638.016196.015651.015205.015244.015353.0NANANA7116.0NANANANANANANANANANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▆▆▆▆▆▆▆▅▅▆▆▆▆▇▇▇▇▇▇▇▇▇▇▇▇▇▇▅▅▅▅▆▆▆▆▁▁▁█▇▇▇▇6627.06765.07069.06310.06019.06107.06052.05609.05641.06519.06907.06898.07118.07259.07497.07467.07500.07808.07842.07387.07426.07440.07450.07433.07477.07517.07562.04964.05704.05766.05828.06641.06702.06730.06780.076.077.077.09204.07875.07969.07926.07877.0NANANA
us-gaap:OtherLiabilitiesNoncurrent ▁▁▂▂▁▁▁▁▁▁▁▄▄▄▅██▅▅▅▅▅▅███▇█▇▇▇▃▃▂▁▂▂▂▁1397.01456.01502.01605.01416.01336.01453.01361.01367.01396.01393.02366.02357.02475.02498.03462.03484.02753.02760.02698.02675.02723.02535.03624.03604.03539.03403.03589.03408.03241.03159.01866.01860.01708.01468.01658.01687.01685.01470.0NANANA2853.0NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▁▁▂▁▃▄▅▆█▇█6711.06738.06777.06683.06972.07239.07421.07535.07818.07785.07902.0NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA1777.0NANANA1817.0NANANA1838.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo us-gaap:ConsolidatedEntities srt:SubsidiariesNANA1764.0NANANA1804.0NANANA1824.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA1586.0NANANA1620.0NANANA1636.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA1192.0NANANA1429.0NANANA1438.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour us-gaap:ConsolidatedEntities srt:SubsidiariesNANA1184.0NANANA1423.0NANANA1428.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA812.0NANANA1030.0NANANA1255.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive us-gaap:ConsolidatedEntities srt:SubsidiariesNANA808.0NANANA1028.0NANANA1250.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA3307.0NANANA3276.0NANANA3620.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive us-gaap:ConsolidatedEntities srt:SubsidiariesNANA3291.0NANANA3268.0NANANA3611.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ▂▁▂▃▄▄▅▅▅▅▅▅▅▅▇▇▇▇▇▇▇██▇▇▇▆█▇▆▄▂▁▁▁▂▁▁▂▃▃▃▃-7667.0-7945.0-6867.0-5528.0-3169.0-2636.0-118.0160.0-22.0-636.0-169.0-568.0-869.0-1018.03926.03948.03715.03457.03785.04391.04312.04710.05635.03762.03636.02764.02021.04971.04086.01095.0-2731.0-7922.0-8216.0-8376.0-7987.0-7375.0-8968.0-8686.0-7111.0-4833.0-4509.0-3949.0-3945.0NANANA
 us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities srt:Subsidiaries▁▁▂▄▅▆███▇▇▇▆▆▆3347.03237.04348.06988.09258.011178.013422.013260.012740.012012.011770.011240.010974.010360.09888.0NANANA8580.0NANANA9698.0NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities,us-gaap:StatementEquityComponents srt:Subsidiaries,us-gaap:AccumulatedOtherComprehensiveIncome▁▁▁▃▃▃▄▅▅▅█▆▆▆█-7089.0-7128.0-7194.0-6569.0-6555.0-6572.0-6423.0-6042.0-6023.0-6005.0-5370.0-5923.0-5906.0-5891.0-5251.0NANANA-5182.0NANANA-4831.0NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities,us-gaap:StatementEquityComponents srt:Subsidiaries,us-gaap:AdditionalPaidInCapital██▇▇▆▆▄▄▄▃▃▂▂▁▁17108.017088.017050.017028.017008.016977.016903.016881.016859.016827.016802.016783.016760.016740.016716.0NANANA16624.0NANANA16521.0NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities,us-gaap:StatementEquityComponents srt:Subsidiaries,us-gaap:RetainedEarnings▁▁▂▃▅▆██▇▇▆▆▆▆▅-6672.0-6723.0-5508.0-3471.0-1195.0773.02942.02421.01904.01190.0338.0553.0120.0-489.0-1577.0NANANA-2862.0NANANA-1992.0NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption srt:CumulativeEffectPeriodOfAdoptionAdjustmentNANA-301.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption,us-gaap:StatementEquityComponents srt:CumulativeEffectPeriodOfAdoptionAdjustment,us-gaap:AdditionalPaidInCapitalNANA-320.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption,us-gaap:StatementEquityComponents srt:CumulativeEffectPeriodOfAdoptionAdjustment,us-gaap:RetainedEarningsNANA19.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncome▁▁▁▃▃▃▄▅▅▅█▆▆▆█-6997.0-7036.0-7103.0-6476.0-6463.0-6480.0-6331.0-5946.0-5927.0-5909.0-5274.0-5826.0-5809.0-5794.0-5154.0NANANA-5083.0NANANA-4732.0NANANA-4559.0NANANA-2032.0NANANA-2980.0NANANA-3964.0NANANA-2755.0NANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital██▇▄▄▁▁▂▂▂▃▃▃▄▅7200.06980.06894.05430.05377.03861.03945.04208.04386.04371.04964.04946.04923.05279.05714.0NANANA7223.0NANANA11591.0NANANA15135.0NANANA10594.0NANANA4481.0NANANA4465.0NANANA4445.0NANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:CommonStock███▄▄▁▁▁▄▄▄▄▄▄▄6.06.06.05.05.04.04.04.05.05.05.05.05.05.05.0NANANA5.0NANANA6.0NANANA7.0NANANA3.0NANANA341.0NANANA341.0NANANA339.0NANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁▁▂▃▅▆▇▇▇▆▆▆▆▆█-7876.0-7895.0-6664.0-4487.0-2088.0-21.02264.01894.01514.0897.0136.0480.0154.0-355.03361.0NANANA1640.0NANANA-1230.0NANANA-8562.0NANANA-11296.0NANANA-9462.0NANANA-7586.0NANANA-5607.0NANANA
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████████████6.06.06.05.05.04.04.04.05.05.05.05.05.05.05.05.05.05.05.05.05.06.06.06.07.07.07.07.07.06.03.0342.0341.0341.0341.0341.0341.0341.0341.0341.0341.0339.0339.0NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ▃▃▃▂▂▁▁▁▁▁▂▂▂▂▂▂▂▃▃▃▄▅▅▆▇▇███▇▅▁▁▁▁▁▁▁▁▁▁▁▁7200.06980.06894.05430.05377.03861.03945.04208.04386.04371.04964.04946.04923.05279.05714.05918.06245.06726.07223.07761.08351.010044.011591.012852.014319.015049.015135.015943.015879.014040.010594.04488.04484.04483.04481.04477.04475.04470.04465.04467.04459.04455.04445.0NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▃▃▃▄▅▆▇▇▇▇▆▆▆▆███▇▇▇▇▆▆▄▃▃▂▂▂▁▁▂▂▂▂▂▂▂▃▃▃▄▄-7876.0-7895.0-6664.0-4487.0-2088.0-21.02264.01894.01514.0897.0136.0-316.0-610.0-1130.03361.03152.02577.01823.01640.01403.0719.0-591.0-1230.0-4445.0-6070.0-7702.0-8562.0-9086.0-9953.0-10816.0-11296.0-9295.0-9584.0-9803.0-9462.0-9725.0-9487.0-9246.0-7586.0-6491.0-6329.0-6043.0-5607.0NANANA
 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities srt:Subsidiaries▁▁▂▃▅▆██▇▇▆▆-6672.0-6723.0-5508.0-3471.0-1195.0773.02942.02421.01904.01190.0338.0-242.0NANA-1577.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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 us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:CumulativeEffectPeriodOfAdoption,us-gaap:DebtInstrument,us-gaap:LongtermDebtType,us-gaap:SubsequentEventType srt:CumulativeEffectPeriodOfAdoptionAdjustment,aal:SeniorNotes6.50Due2025,us-gaap:SeniorNotes,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁▁▂▂▂▂▃▃▃▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄████▆▆▆▆█▅▅▅▇▇▇▇-6997.0-7036.0-7103.0-6476.0-6463.0-6480.0-6331.0-5946.0-5927.0-5909.0-5274.0-5203.0-5187.0-5172.0-5154.0-5127.0-5112.0-5097.0-5083.0-4778.0-4763.0-4749.0-4732.0-4651.0-4620.0-4590.0-4559.0-1893.0-1846.0-2135.0-2032.0-3090.0-3090.0-3030.0-2980.0-2101.0-3930.0-3884.0-3964.0-2783.0-2613.0-2333.0-2755.0NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities srt:Subsidiaries▁▁▁▃▃▃▄▅▅▅██-7089.0-7128.0-7194.0-6569.0-6555.0-6572.0-6423.0-6042.0-6023.0-6005.0-5370.0-5301.0NANA-5251.0NANANA-5182.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues NA316.0NA0.01113.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents,us-gaap:SubsidiarySaleOfStock us-gaap:AdditionalPaidInCapital,aal:PublicStockOffering144.0NANANA1112.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:SubsidiarySaleOfStock aal:AtTheMarketOfferingNA316.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:SubsidiarySaleOfStock aal:PublicStockOffering144.0NANANA1113.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▁█20.038.0NA20.031.018.0NA22.025.025.0NA23.020.024.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 █▄▁▁▃▄▅▅▅▆▅▄▅▆▅▅▆▇▅▅▇▇▄▅▇▇▅▄▆▆▃▄▅▅▄▄▅▅▅▄▄▅▄▄▅▅3470.0174.0-2863.0-2604.0-908.0-168.0600.0828.0736.01651.0729.0-79.01084.01799.0437.0369.01688.02250.0627.01064.02213.02620.0228.01180.02347.02494.0804.0-361.01381.01256.0-1128.0-37.01157.0683.0-288.0-155.0655.01067.0334.0-307.0-55.0708.0151.0-83.0717.0456.0
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▁█▇▁▇▇▆▅▆▆▆▇▆▆▇▆▅▆▆▅▅▇▆▅▄▆▇▆▆█▆▄▆▆▇▆▆▆▇▇▅▆▇▆▆-3884.0-7152.01696.0923.0-6799.0-162.0639.0-469.0-1933.0-480.0-390.0-548.0-79.0-956.0-557.0184.0-1404.0-1849.0-1056.0-871.0-1657.0-2114.0438.0-1337.0-1493.0-3202.0-786.0222.0-1404.0-943.01278.0-1107.0-2897.0-1088.0-367.0396.0-615.0-985.0-362.0368.0257.0-1555.0-534.0-122.0-946.0-428.0
 us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:ConsolidatedEntities srt:Subsidiaries▄▁█▇▁▇▇▆▅▆▆▆▇▆▆-3873.0-7135.01701.0928.0-6790.0-147.0650.0-462.0-1896.0-438.0-369.0-539.0-68.0-934.0-539.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▇▃▃█▂▁▂▃▁▂▃▁▁▂▂▂▂▂▂▂▂▁▂▁▃▂▂▂▂▂▃▃▂▂▂▂▂▂▂▂▃▂▂▂▂445.07013.01269.01511.07688.0526.0-1272.0-366.01179.0-1109.0-367.0636.0-1100.0-841.075.0-599.0-272.0-349.0370.0-258.0-605.0-401.0-1292.0221.0-950.0762.0-202.0107.0-26.0-194.0273.01257.01738.0531.0627.0-104.0-44.010.07.0-75.0-170.0965.0349.0210.0237.08.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▅▆▁▄█▄▄▄▅▄▄▂▄▃▃▅▅31.035.0102.0-170.0-19.0196.0-33.0-7.0-18.062.0-28.09.0-95.02.0-45.0-45.022.031.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 █▄▁▁▃▄▅▅▅▆▅▄▅▆▅▅▆▇▅▅▇▇▄▅▇▇▅▄▆▆▃▄▅▅▄▄▅▅▅▄▄▅▄▄▅▅3470.0174.0-2863.0-2604.0-908.0-168.0600.0828.0736.01651.0729.0-79.01084.01799.0437.0369.01688.02250.0627.01064.02213.02620.0228.01180.02347.02494.0804.0-361.01381.01256.0-1128.0-37.01157.0683.0-288.0-155.0655.01067.0334.0-307.0-55.0708.0151.0-83.0717.0456.0
us-gaap:NetIncomeLoss ▄▂▁▁▁▁▄▄▅▄▄▄▅▄▄▅▅▄▄▅▅▅█▆▆▅▅▅▅▅▁▄▄▄▄▄▄▂▃▄▄▃▄▄▄▃19.0-1250.0-2178.0-2399.0-2067.0-2241.0414.0425.0662.0185.0325.0341.0566.0186.0258.0624.0803.0234.0289.0737.0950.0700.03281.01693.01704.0932.0597.0942.0864.0480.0-2000.0289.0220.0-341.0263.0-238.0-241.0-1660.0-1095.0-162.0-286.0-436.0-97.0143.0-11.0-505.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▁█▇▁▇▇▆▅▆▆▆▇▆▆▇▆▅▆▆▅▅▇▆▅▄▆▇▆▆█▆▄▆▆▇▆▆▆▇▇▅▆▇▆▆-3884.0-7152.01696.0923.0-6799.0-162.0639.0-469.0-1933.0-480.0-390.0-548.0-79.0-956.0-557.0184.0-1404.0-1849.0-1056.0-871.0-1657.0-2114.0438.0-1337.0-1493.0-3202.0-786.0222.0-1404.0-943.01278.0-1107.0-2897.0-1088.0-367.0396.0-615.0-985.0-362.0368.0257.0-1555.0-534.0-122.0-946.0-428.0
 us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:ConsolidatedEntities srt:Subsidiaries▄▁█▇▁▇▇▆▅▆▆▆▇▆▆-3873.0-7135.01701.0928.0-6790.0-147.0650.0-462.0-1896.0-438.0-369.0-539.0-68.0-934.0-539.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsToAcquireProductiveAssets ▁▁▂▄▃▅▆▄▅▆▅▅▅▄▇▇▇█▇▆▇▇▇▇█▇▆▆█▅▄▄▅▅▄▃▃▂▃▃▃▃▃▄▃▃-99.0-19.0148.0577.0388.0845.01139.0806.01018.01305.01009.01005.0952.0779.01408.01369.01480.01714.01460.01208.01506.01557.01530.01482.01730.01409.01305.01328.01631.01047.0714.0596.0919.0885.0735.0420.0495.0238.0376.0486.0389.0359.0550.0683.0412.0317.0
 us-gaap:PaymentsToAcquireProductiveAssets us-gaap:ConsolidatedEntities srt:Subsidiaries▁▁▂▄▃▅▇▅▆▇▆▆▆▅█-109.0-24.0141.0573.0379.0829.01113.0788.0992.01263.0980.0994.0941.0762.01380.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ▂▇▃▃█▂▁▂▃▁▂▃▁▁▂▂▂▂▂▂▂▂▁▂▁▃▂▂▂▂▂▃▃▂▂▂▂▂▂▂▂▃▂▂▂▂445.07013.01269.01511.07688.0526.0-1272.0-366.01179.0-1109.0-367.0636.0-1100.0-841.075.0-599.0-272.0-349.0370.0-258.0-605.0-401.0-1292.0221.0-950.0762.0-202.0107.0-26.0-194.0273.01257.01738.0531.0627.0-104.0-44.010.07.0-75.0-170.0965.0349.0210.0237.08.0
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▂█▁▂▆▂▁▂▂▁▁▂▁▁▂▁▁▂▂▂▃▂▁▃▁▂▂▂▁▁▂▃▂▁▁▁▁▁▂▁▁▂▁▁▁▁1235.010861.0216.02100.07766.01698.0410.0961.02189.0400.0205.01257.0656.0236.0898.0535.0726.0899.02309.0870.03022.01500.0546.02467.0230.01766.0895.01873.0310.0224.01052.02398.01523.0161.0268.00.00.00.0785.067.0553.01164.0116.0187.0102.0137.0
 us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities,us-gaap:CreditFacility,us-gaap:DebtInstrument srt:Subsidiaries,us-gaap:LineOfCredit,aal:TreasuryLoanAgreementCARESAct▁█0.0550.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities,us-gaap:CreditFacility,us-gaap:DebtInstrument,us-gaap:LongtermDebtType srt:Subsidiaries,us-gaap:RevolvingCreditFacility,aal:CreditFacility2013,us-gaap:SecuredDebt▁█0.0750.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities,us-gaap:CreditFacility,us-gaap:DebtInstrument,us-gaap:LongtermDebtType srt:Subsidiaries,us-gaap:RevolvingCreditFacility,aal:CreditFacility2014,us-gaap:SecuredDebt▁█0.01600.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities,us-gaap:CreditFacility,us-gaap:DebtInstrument,us-gaap:LongtermDebtType srt:Subsidiaries,us-gaap:RevolvingCreditFacility,aal:CreditFacilityApril2016,us-gaap:SecuredDebt▁█0.0450.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities,us-gaap:DebtInstrument,us-gaap:LongtermDebtType srt:Subsidiaries,aal:EnhancedEquipmentTrustCertificates20191,us-gaap:EnhancedEquipmentTrustCertificateNANANA126.0NANANA513.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities,us-gaap:DebtInstrument,us-gaap:LongtermDebtType srt:Subsidiaries,aal:EquipmentLoansAndOtherNotesPayable,us-gaap:SecuredDebtNANANA0.00.017.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities,us-gaap:DebtInstrument,us-gaap:LongtermDebtType,us-gaap:SubsequentEventType srt:Subsidiaries,aal:SparePartsCreditFacilityApril2016,us-gaap:SecuredDebt,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType aal:A2016JFKBondsAnd2020JFKBonds,us-gaap:SecuredDebt62.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▁▁▁▁▂▂▂▁▄▁▁▃▃▂▃▃▃▃▄█▇▇▇▄▂▅▂▁▂0.013.00.00.02.0171.0272.0200.017.0608.00.00.0376.0461.0243.0359.0529.0484.0569.0695.01711.01525.01435.01480.0750.0181.0907.0127.0-56.084.0NA0.0NANANANANANANANANANANANANANA
  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
Value6.06.06.05.05.04.04.04.05.05.05.05.05.05.05.05.05.05.05.05.05.06.06.06.07.07.07.07.07.06.03.0342341341341341341341341341341339339339
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01.31.31.41.51.41.41.41.41.41.31.31.41.3

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value656634509428425435442445453461461464474479486492507518528566611644680707716724735734741276388388335142335335335335335333389333
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value644634509428425434441445451460460463472477484490503514525563606626661688696706719720723276336335335125335335335335335333333333
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2020-12-312020-09-302020-06-302020-03-31
Value571509428425
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:ConvertibleDebtSecurities


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302019-06-302014-06-302014-03-312013-06-302013-03-31
Value6161614.070.00.00.00.00634
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.00.00.00.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value1.1823.2554.5595.7814.9342.593.087
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1.95.37.4142.00.00.00.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities, us-gaap:ClassOfWarrantOrRight

us-gaap:Warrant, aal:PayrollSupportProgramOneWarrantsCARESAct


Antidilutive
Period End2021-03-312020-06-30
Value4.9576.368
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount8.0156.5

us-gaap:Warrant, aal:PayrollSupportProgramTwoWarrantsCARESAct


Antidilutive
Period End2021-03-31
Value0.52
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.8

us-gaap:Warrant, aal:PayrollSupportProgramWarrantsCARESAct


Antidilutive
Period End2020-09-30
Value0.025
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.0

us-gaap:Warrant, aal:TreasuryLoanWarrantAgreementCARESAct


Antidilutive
Period End2021-03-312020-09-30
Value1.5450.001
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount2.50.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.03-1.97-3.6-4.71-4.82-5.260.950.961.490.410.710.741.220.390.541.291.640.460.561.41.691.155.242.562.471.340.841.311.20.66-7.240.860.65-1.020.78-0.71-0.72-4.95-3.27-0.48-0.85-1.31-0.290.43-0.03-1.52
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
Value0.03-1.97-3.6-4.71-4.82-5.260.950.961.490.410.70.741.220.390.541.281.630.460.561.41.681.145.092.492.411.30.821.281.170.65-7.240.760.59-1.020.69-0.71-0.72-4.95-3.27-0.48-0.85-1.31-0.290.39-0.03-1.52
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

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2020-12-312020-09-302020-06-302020-03-31
Value-3.81-4.71-4.82-5.26
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value58-1183.0-2805.0-2412.0-2050.0-2390.029406644172247324551168231609788220-16.0722936683320016631674901-2069.08951153377-943.0289160-391.0-616.01591-287.0-1580.0-2276.0-332.0-566.0-14.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.8-29.5-69.7-76.0-126.4-28.10.33.45.41.62.32.84.71.62.25.67.02.2-0.26.89.07.233.215.515.59.2-20.48.010.23.8-12.84.22.5-6.4-10.424.7-4.4-26.2-38.2-5.2-9.3-0.3

us-gaap:ComprehensiveIncomeNetOfTax us-gaap:ConsolidatedEntities

srt:Subsidiaries


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value90-1149.0-2662.0-2290.0-1951.0-2318.0139489696217331386594191-682.0671
Percentage of ComprehensiveIncomeNetOfTax155.297.194.994.995.297.0479.3120.4108.1126.2134.0119.1107.8113.7-295.2110.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.2-28.7-66.1-72.2-120.3-27.21.24.15.82.13.03.35.11.8-6.46.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries1.2-28.7-66.1-72.2-120.3-27.21.24.15.82.13.03.35.11.8-6.46.1

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value703753236542604441081106410584111031080710209103671091010615997099109646957090239022916386128100856287078906861193009879995692657252613059606046593063786310612667406337619257655518550054785366
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.1132.8162.5190.5253.3129.993.693.290.496.594.894.491.295.993.488.085.291.992.286.583.185.988.981.382.387.691.588.787.792.798.489.892.499.199.999.297.8101.5113.299.4101.3104.298.894.196.5105.9

us-gaap:CostsAndExpenses us-gaap:ConsolidatedEntities

srt:Subsidiaries


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value70395322646559814063110501056511082108311023610344108871062699869982971396339077
Percentage of CostsAndExpenses100.0100.098.899.098.999.999.899.8100.2100.399.899.8100.1100.2100.7100.7100.7100.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.1132.8160.5188.5250.5129.893.493.090.696.794.694.291.396.094.188.685.892.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries94.1132.8160.5188.6250.5129.893.493.090.696.794.694.291.396.094.188.685.892.5

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
Value9.0-1573.0-2809.0-3095.0-2659.0-2890.057155788224538645676927342510041291365500118914931117245170917199435679491204
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 RevenueFromContractWithCustomerExcludingAssessedTax0.1-39.2-69.8-97.5-163.9-33.95.04.77.42.33.53.96.62.64.09.211.53.75.111.214.411.82.516.015.99.65.68.510.6

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidatedEntities

srt:Subsidiaries


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value50-1529.0-2638.0-2936.0-2532.0-2797.06816689513044675368273144431103
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest555.697.293.994.995.296.8119.3119.9107.8124.1121.0117.5107.5115.0104.2109.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.7-38.1-65.5-92.5-156.1-32.86.05.68.02.94.34.67.13.04.210.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.7-38.1-65.5-92.6-156.1-32.96.05.68.02.94.34.67.13.04.210.1

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value-10.0-323.0-631.0-696.0-592.0-649.0157132220606811520387167380488131211452543417-3036.0161511-30.07.034013-324.00.00.0-22.0-569.00.00.00.00.00.00.00.00.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-8.1-15.7-21.9-36.5-7.61.41.11.80.60.61.01.70.81.63.54.31.32.24.35.24.4-31.50.10.10.1-0.30.13.00.1-4.40.00.0-0.4-9.60.00.00.00.00.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidatedEntities

srt:Subsidiaries


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1.0-314.0-601.0-660.0-564.0-628.016116023774671332181051100417
Percentage of IncomeTaxExpenseBenefit10.097.295.294.895.396.8102.5121.2107.7123.398.5115.7107.4120.7658.7109.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-7.8-14.9-20.8-34.8-7.41.41.32.00.70.61.21.91.010.43.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries-0.0-7.8-14.9-20.8-34.8-7.41.41.32.00.70.61.21.91.010.43.8

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
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
Value4.00.00.02.03.01.01.03.02.03.010.03.05.06.05.04.06.03.03.04.0-2.0127.03.0-1.03.02.03.02.04.04.02.0
Percentage of IncomeTaxesPaid100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.00.00.00.00.00.00.00.00.00.10.00.00.10.00.00.10.00.00.0-0.00.10.10.0-0.00.00.00.00.00.10.10.0

us-gaap:IncomeTaxesPaid us-gaap:ConsolidatedEntities

srt:Subsidiaries


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4.00.00.02.03.01.01.03.02.02.09.03.05.0
Percentage of IncomeTaxesPaid100.00.00.0100.0100.0100.0100.0100.0100.066.790.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.00.00.00.00.00.00.00.00.00.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.10.00.00.00.00.00.00.00.00.00.10.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value486371376340254257265284275271261265266265266266263257253250249239229219223210220210214243219206169262159161164178200211215200201204209209
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.59.39.310.715.73.02.32.42.32.62.42.32.32.52.52.42.32.62.62.42.42.52.42.02.12.12.21.91.92.43.03.02.64.32.72.52.52.93.43.33.53.63.63.53.74.1

us-gaap:InterestExpense us-gaap:ConsolidatedEntities

srt:Subsidiaries


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value447333346310255260274281277277257262254250250250
Percentage of InterestExpense92.089.892.091.2100.4101.2103.498.9100.7102.298.598.995.594.394.094.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.08.38.69.815.73.12.42.42.32.62.32.32.22.42.42.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries6.08.38.69.815.73.12.42.42.32.62.42.32.22.42.42.3

us-gaap:InterestExpense us-gaap:DebtInstrument, us-gaap:LongtermDebtType

aal:SeniorNotes6.50Due2025, us-gaap:SeniorNotes


Interest
Period End2020-09-302020-06-30
Value302.0
Percentage of InterestExpense8.80.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax aal:SeniorNotes6.50Due2025 us-gaap:SeniorNotes0.00.0

Interest Expense Debt

us-gaap:InterestExpenseDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:InterestExpenseDebt

aal:SeniorNotes6.50Due2025, us-gaap:SeniorNotes


Interest
Period End2020-09-30
Value16
Percentage of InterestExpenseDebt100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax aal:SeniorNotes6.50Due2025 us-gaap:SeniorNotes0.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value20847922921426223929425829226729025928425826226226125525023525122822521521421917427316320428224165125
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.812.05.76.716.22.82.62.22.42.52.72.22.42.52.52.42.32.62.62.22.42.42.32.02.02.21.72.51.42.03.83.51.02.0

us-gaap:InterestPaidNet us-gaap:ConsolidatedEntities

srt:Subsidiaries


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value189426209199241228253246270256268248247246224
Percentage of InterestPaidNet90.988.991.393.092.095.486.195.392.595.992.495.887.095.385.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.510.65.26.314.92.72.22.12.32.42.52.12.12.42.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries2.510.65.26.314.92.72.22.12.32.42.52.12.12.42.1

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
Value19-1250.0-2178.0-2399.0-2067.0-2241.0414425662185325341566186258624803234289737950700328116931704932597942864480-2000.0289220-341.0263-238.0-241.0-1660.0-1095.0-162.0-286.0-436.0-97.0143-11.0-505.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3-31.2-54.1-75.6-127.4-26.33.73.65.51.73.03.04.91.82.45.77.22.43.07.09.27.434.115.815.79.55.98.57.64.8-27.14.23.4-5.64.4-3.7-3.7-27.5-18.4-2.5-4.7-7.9-1.72.4-0.2-10.0

us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value51-1215.0-2037.0-2276.0-1968.0-2169.0520508714230407403609209-658.0686888369
Percentage of NetIncomeLoss268.497.293.594.995.296.8125.6119.5107.9124.3125.2118.2107.6112.4-255.0109.9110.6157.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.7-30.3-50.6-71.7-121.3-25.54.64.36.02.23.73.55.22.0-6.26.37.93.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.7-30.3-50.6-71.8-121.3-25.54.64.36.02.23.73.55.22.0-6.26.37.93.8

us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

srt:Subsidiaries, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-39.0-39.0-7.04.09.0181816
Percentage of NetIncomeLoss-205.33.10.3-0.2-0.44.22.78.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-1.0-0.20.20.10.20.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value51-1215.0-2276.0-1968.0-2169.0508714230433609209
Percentage of NetIncomeLoss268.497.294.995.296.8119.5107.9124.3127.0107.6112.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.7-30.3-71.7-121.3-25.54.36.02.23.75.22.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-39.0-40.0-8.04.09.0181816
Percentage of NetIncomeLoss-205.33.20.3-0.2-0.44.22.78.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-1.0-0.30.20.10.20.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value19-1250.0-2399.0-2067.0-2241.0425662185372556159
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0109.198.285.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3-31.2-75.6-127.4-26.33.65.51.73.24.81.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value19-2178.0-2399.0-2067.0-2241.0414425662185318341566186258624803234289737950700328116931704932597942862485-2023.0296227-341.0263-238.0-241.0-1660.0-1095.0-162.0-286.0
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3-54.1-75.6-127.4-26.33.73.65.51.72.93.04.91.82.45.77.22.43.07.09.27.434.115.815.79.55.98.57.64.9-27.54.33.5-5.64.4-3.7-3.7-27.5-18.4-2.5-4.7

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-432.0-258.0-294.0-224.0-173.0-341.0-158.0-251.0-271.0-130.0-162.0-193.0-259.0-158.0-265.0-228.0-244.0-236.0-267.0-242.0-258.0-218.0-823.0-290.0-202.0-273.0-293.0-311.0-195.0-237.0-266.0-258.0-145.0-255.0132-152.0-153.0-170.0-193.0-201.0-208.0-204.0-201.0-199.0-207.0-207.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.8-6.4-7.3-7.1-10.7-4.0-1.4-2.1-2.3-1.2-1.5-1.7-2.2-1.5-2.5-2.1-2.2-2.4-2.7-2.3-2.5-2.3-8.5-2.7-1.9-2.8-2.9-2.8-1.7-2.4-3.6-3.8-2.2-4.22.2-2.4-2.4-2.8-3.2-3.2-3.4-3.7-3.6-3.4-3.6-4.1

us-gaap:NonoperatingIncomeExpense us-gaap:ConsolidatedEntities

srt:Subsidiaries


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-389.0-215.0-200.0-127.0-91.0-261.0-65.0-160.0-176.0-41.0-102.0-133.0-187.0-98.0-182.0-146.0
Percentage of NonoperatingIncomeExpense90.083.368.056.752.676.541.163.764.931.563.068.972.262.068.764.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.2-5.4-5.0-4.0-5.6-3.1-0.6-1.3-1.5-0.4-0.9-1.2-1.6-0.9-1.7-1.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries-5.2-5.4-5.0-4.0-5.6-3.1-0.6-1.3-1.5-0.4-0.9-1.2-1.6-0.9-1.7-1.3

us-gaap:NonoperatingIncomeExpense us-gaap:ConsolidatedEntities, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit


Nonoperating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-3.0-3.0203436404140
Percentage of NonoperatingIncomeExpense0.71.2-8.9-19.7-10.6-15.9-15.1-30.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.10.62.10.40.30.30.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit0.00.00.00.00.00.00.00.0

srt:Subsidiaries, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Nonoperating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-36.0-36.0-27.0-30.0-27.0-22.0-23.0-24.0
Percentage of NonoperatingIncomeExpense8.314.012.117.37.98.88.518.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-0.9-0.9-1.8-0.3-0.2-0.2-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss0.00.00.00.00.00.00.00.0

us-gaap:NonoperatingIncomeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit


Nonoperating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-3.0-3.0203436404140
Percentage of NonoperatingIncomeExpense0.71.2-8.9-19.7-10.6-15.9-15.1-30.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.10.62.10.40.30.30.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCredit0.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Nonoperating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-36.0-37.0-28.0-30.0-27.0-22.0-23.0-24.0
Percentage of NonoperatingIncomeExpense8.314.312.517.37.98.88.518.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-0.9-0.9-1.8-0.3-0.2-0.2-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss0.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value441-1315.0-2515.0-2871.0-2486.0-2549.07298081153375571649102843169012321535601767143117511335106819991921121686012601399730115698489523.051142-89.0-783.039-78.0-232.068342196-298.0
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.9-32.8-62.5-90.5-153.3-29.96.46.89.63.55.25.68.84.16.511.213.76.17.813.516.914.111.118.717.712.48.511.312.37.31.610.27.60.90.10.82.2-1.5-13.10.6-1.3-4.21.25.93.5-5.9

us-gaap:OperatingIncomeLoss us-gaap:ConsolidatedEntities

srt:Subsidiaries


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value439-1314.0-2438.0-2809.0-2441.0-2536.07478281127345592669101441262512491591740
Percentage of OperatingIncomeLoss99.599.996.997.898.299.5102.5102.597.792.0103.7103.198.695.690.6101.4103.6123.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.9-32.8-60.5-88.5-150.5-29.86.67.09.43.35.45.88.74.05.911.414.27.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries5.9-32.8-60.5-88.6-150.5-29.86.67.09.43.35.45.88.74.05.911.414.27.5

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value491097711171-105.083-1.0-31.01086543-23.082-23.013-5.034-32.0-8.0-25.08.0-604.0-81.011-73.0-82.0-108.011-1.0-18.0-67.06.0-9.0271-11.0-8.0-10.0-11.0-7.0-10.0-18.0-13.0-10.0-12.0-13.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.72.71.93.54.4-1.20.7-0.0-0.31.00.60.4-0.20.8-0.20.1-0.00.3-0.3-0.1-0.20.1-6.3-0.80.1-0.7-0.8-1.00.1-0.0-0.2-1.00.1-0.14.6-0.2-0.1-0.2-0.2-0.1-0.2-0.3-0.2-0.2-0.2-0.3

us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value491097711172-105.083-10.0-31.01096544-15.0791148
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0101.4100.0100.01000.0100.0100.9100.0102.365.296.3-47.8369.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.72.71.93.54.4-1.20.7-0.1-0.31.00.60.4-0.10.80.10.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.72.71.93.54.4-1.20.7-0.1-0.31.00.60.4-0.10.80.10.4

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7478400840273173162285151131311911119601058410938115591164310401106111096511227982097891059410363943596301070610827982710160111391135599957367682864496098593764296452603759566376611455335586584256745068
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidatedEntities

srt:Subsidiaries


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value74784008402731721622851411312119101195810581109361155611640103981060710962112249817
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

srt:Subsidiaries, aal:LoyaltyProgramCoBrandedCreditCardAndOtherPartners


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value68410005731300
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.125.035.315.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.125.035.315.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries aal:LoyaltyProgramCoBrandedCreditCardAndOtherPartners100.0100.0100.0100.0

srt:Subsidiaries, aal:LoyaltyProgramMarketingServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value529457508389356571619570594578587613582570550527
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.111.412.612.321.96.75.54.85.05.55.45.35.05.55.24.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.111.412.612.321.96.75.54.85.05.55.45.35.05.55.24.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries aal:LoyaltyProgramMarketingServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, aal:LoyaltyProgramTravelRedemptions


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value550286225133102602731769794886783771797850711696
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.47.15.64.26.37.16.56.56.68.47.26.76.88.26.76.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.47.15.64.26.37.16.56.56.68.47.26.76.88.26.76.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries aal:LoyaltyProgramTravelRedemptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, aal:OtherRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7857443628115130137132127122122123121116116
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.01.41.11.11.71.41.11.21.11.21.11.11.11.21.11.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.01.41.11.11.71.41.11.21.11.21.11.11.11.21.11.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries aal:OtherRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, aal:PassengerTravel


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value599528932965240710067079961610226102178772917997909877863089739400
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax80.272.273.675.962.083.185.085.985.482.983.984.784.883.084.685.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax80.272.273.675.962.083.185.085.985.482.983.984.784.883.084.685.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries aal:PassengerTravel100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, us-gaap:CargoAndFreight


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value326315285207130147216208221218265260261227257223
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.47.97.16.58.01.71.91.71.82.12.42.22.22.22.42.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.47.97.16.58.01.71.91.71.82.12.42.22.22.22.42.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:CargoAndFreight100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, us-gaap:Passenger


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6545317931902540110876811034710995110119658996210561106749480968410096
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.579.379.280.168.390.291.592.392.191.391.191.491.791.191.392.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.579.379.280.168.390.291.592.392.191.391.191.491.791.191.392.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:Passenger100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, us-gaap:ProductAndServiceOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value607514552425384686749707726705709735705691666643
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.112.813.713.423.78.16.65.96.16.76.56.46.16.66.35.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.112.813.713.423.78.16.65.96.16.76.56.46.16.66.35.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:ProductAndServiceOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidatedEntities, us-gaap:ProductOrService, us-gaap:AirlineDestinations

srt:Subsidiaries, us-gaap:Passenger, us-gaap:AtlanticDestination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1252233564252394715961407673905150412986698581363
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.70.50.81.82.66.18.413.411.86.48.313.011.16.48.112.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.70.50.81.82.66.18.413.411.86.48.313.011.16.48.112.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:Passenger us-gaap:AtlanticDestination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, us-gaap:Passenger, us-gaap:DomesticDestination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5444265526632296102657807833781480097226750274247685696372277162
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.866.266.172.463.367.969.265.667.068.368.664.266.066.968.165.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.866.266.172.463.367.969.265.667.068.368.664.266.066.968.165.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:Passenger us-gaap:DomesticDestination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, us-gaap:Passenger, us-gaap:LatinAmericaDestination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9364824661723411801218121812411371118612101284144512181183
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.512.011.65.42.113.910.810.210.413.010.810.511.013.911.510.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.512.011.65.42.113.910.810.210.413.010.810.511.013.911.510.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:Passenger us-gaap:LatinAmericaDestination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, us-gaap:Passenger, us-gaap:PacificDestination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value402028166.0198349367354388369423407403381388
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.70.50.42.33.13.13.03.73.43.73.53.93.63.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.70.50.42.33.13.13.03.73.43.73.53.93.63.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:Passenger us-gaap:PacificDestination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

aal:LoyaltyProgramCoBrandedCreditCardAndOtherPartners


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value68410005731300
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.125.035.315.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.125.035.315.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax aal:LoyaltyProgramCoBrandedCreditCardAndOtherPartners100.0100.0100.0100.0

aal:LoyaltyProgramMarketingServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value529457508389356571619570594578587613582570550527
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.111.412.612.321.96.75.54.85.05.55.45.35.05.55.24.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.111.412.612.321.96.75.54.85.05.55.45.35.05.55.24.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax aal:LoyaltyProgramMarketingServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aal:LoyaltyProgramTravelRedemptions


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value550286225133102602731769794886783771797850711696
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.47.15.64.26.37.16.56.56.68.47.26.76.88.26.76.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.47.15.64.26.37.16.56.56.68.47.26.76.88.26.76.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax aal:LoyaltyProgramTravelRedemptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aal:OtherRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7857453728116131138134130124125126124120119
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.01.41.11.21.71.41.21.21.11.21.11.11.11.21.11.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.01.41.11.21.71.41.21.21.11.21.11.11.11.21.11.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax aal:OtherRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aal:PassengerTravel


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value599528932965240710067079961610226102178772917997909877863089739400
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax80.272.273.675.962.083.185.085.985.482.983.984.784.883.084.685.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax80.272.273.675.962.083.185.085.985.482.983.984.784.883.084.685.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax aal:PassengerTravel100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CargoAndFreight


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value326315285207130147216208221218265260261227257223
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.47.97.16.58.01.71.91.71.82.12.42.22.22.22.42.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.47.97.16.58.01.71.91.71.82.12.42.22.22.22.42.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CargoAndFreight100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Passenger


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6545317931902540110876811034710995110119658996210561106749480968410096
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.579.379.280.168.390.291.592.392.191.391.191.491.791.191.392.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.579.379.280.168.390.291.592.392.191.391.191.491.791.191.392.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Passenger100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductAndServiceOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value607514553426384687750708728708711738708694670646
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.112.813.713.423.78.16.65.96.16.76.56.46.16.76.35.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.112.813.713.423.78.16.65.96.16.76.56.46.16.76.35.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductAndServiceOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:AirlineDestinations

us-gaap:Passenger, us-gaap:AtlanticDestination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1252233564252394715961407673905150412986698581363
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.70.50.81.82.66.18.413.411.86.48.313.011.16.48.112.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.70.50.81.82.66.18.413.411.86.48.313.011.16.48.112.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Passenger us-gaap:AtlanticDestination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Passenger, us-gaap:DomesticDestination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5444265526632296102657807833781480097226750274247685696372277162
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.866.266.172.463.367.969.265.667.068.368.664.266.066.968.165.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.866.266.172.463.367.969.265.667.068.368.664.266.066.968.165.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Passenger us-gaap:DomesticDestination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Passenger, us-gaap:LatinAmericaDestination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9364824661723411801218121812411371118612101284144512181183
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.512.011.65.42.113.910.810.210.413.010.810.511.013.911.510.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.512.011.65.42.113.910.810.210.413.010.810.511.013.911.510.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Passenger us-gaap:LatinAmericaDestination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Passenger, us-gaap:PacificDestination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value402028166.0198349367354388369423407403381388
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.70.50.42.33.13.13.03.73.43.73.53.93.63.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.70.50.42.33.13.13.03.73.43.73.53.93.63.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Passenger us-gaap:PacificDestination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling And Marketing Expense

us-gaap:SellingAndMarketingExpense

us-gaap:SellingAndMarketingExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value277151957043305408424401370384395385356383400376318333347334308343366350336348393402401
Percentage of SellingAndMarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.73.82.42.22.73.63.63.63.43.53.53.43.33.43.63.63.33.23.43.33.23.33.63.43.23.43.43.53.54.0

us-gaap:SellingAndMarketingExpense us-gaap:ConsolidatedEntities

srt:Subsidiaries


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value277151957043305408424401370384395385356383400
Percentage of SellingAndMarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.73.82.42.22.73.63.63.63.43.53.53.43.33.43.63.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries3.73.82.42.22.73.63.63.63.43.53.53.43.33.43.63.6

us-gaap:SellingAndMarketingExpense us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

srt:Subsidiaries, us-gaap:RegionalCarrier


Selling
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3227148010310210592949496859295
Percentage of SellingAndMarketingExpense33.738.632.626.225.224.126.224.924.523.824.923.924.023.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.90.90.90.90.90.90.90.90.80.80.80.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:RegionalCarrier0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingAndMarketingExpense us-gaap:ProductOrService

us-gaap:RegionalCarrier


Selling
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value32271480103102106929394968592959480919088788187897769798772
Percentage of SellingAndMarketingExpense33.738.632.626.225.224.126.424.924.223.824.923.924.023.825.025.227.325.926.325.323.623.825.422.919.820.121.618.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.90.90.90.90.90.90.90.90.80.80.80.90.90.80.80.90.80.80.80.80.80.80.80.70.70.80.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RegionalCarrier0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value7246468649620086277364544585805999561175619676078760580526355262253280513965240153336526275127451108510514990948415487154786846754437714417344811437374227826780262162385223510239272472624511238482471925787271132508825438
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:Subsidiaries


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value76949745376921571318731057077871890718797235171797708786287061401
Percentage of Assets106.2108.6111.6113.6113.3120.8119.8117.5116.8118.1117.0119.4119.5
Percentage of Assets106.2108.6111.6113.6113.3120.8119.8117.5116.8118.1117.0119.4119.5
Percentage of Assets srt:Subsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value7246468649620086277364544585805999561175619676078760580526355262253280513965240153336526275127451108510514990948415487154786846754437714417344811437374227826780262162385223510239272472624511238482471925787271132508825438
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

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:Subsidiaries


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value76949745376921571318731057077871890718797235171797708786287061401
Percentage of LiabilitiesAndStockholdersEquity106.2108.6111.6113.6113.3120.8119.8117.5116.8118.1117.0119.4119.5
Percentage of Assets106.2108.6111.6113.6113.3120.8119.8117.5116.8118.1117.0119.4119.5
Percentage of Assets srt:Subsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-7667.0-7945.0-6867.0-5528.0-3169.0-2636.0-118.0160-22.0-636.0-169.0-568.0-869.0-1018.03926394837153457378543914312471056353762363627642021497140861095-2731.0-7922.0-8216.0-8376.0-7987.0-7375.0-8968.0-8686.0-7111.0-4833.0-4509.0-3949.0-3945.0-3489.0-2935.02704
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-10.6-11.6-11.1-8.8-4.9-4.5-0.20.3-0.0-1.0-0.3-1.1-1.7-1.97.67.57.06.67.48.68.49.411.67.77.65.94.611.39.12.5-6.5-29.6-31.3-35.1-34.0-30.8-36.3-35.4-29.8-19.6-17.5-14.6-15.7-13.70.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:Subsidiaries


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value33473237434869889258111781342213260127401201211770112401097410360988885809698
Percentage of StockholdersEquity-43.7-40.7-63.3-126.4-292.1-424.1-11374.68287.5-57909.1-1888.7-6964.5-1978.9-1262.8-1017.7251.9226.7172.1
Percentage of Assets4.64.77.011.114.319.122.421.720.619.819.421.420.919.419.216.720.0
Percentage of Assets srt:Subsidiaries4.34.36.39.812.715.818.718.417.616.716.617.90.00.016.10.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-7089.0-7128.0-7194.0-6569.0-6555.0-6572.0-6423.0-6042.0-6023.0-6005.0-5370.0-5923.0-5906.0-5891.0-5251.0-5182.0-4831.0
Percentage of StockholdersEquity92.589.7104.8118.8206.8249.35443.2-3776.227377.3944.23177.51042.8679.6578.7-133.7-136.9-85.7
Percentage of Assets-9.8-10.4-11.6-10.5-10.2-11.2-10.7-9.9-9.7-9.9-8.9-11.3-11.2-11.1-10.2-10.1-10.0
Percentage of Assets srt:Subsidiaries us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:Subsidiaries, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value1710817088170501702817008169771690316881168591682716802167831676016740167161662416521
Percentage of StockholdersEquity-223.1-215.1-248.3-308.0-536.7-644.0-14324.610550.6-76631.8-2645.8-9942.0-2954.8-1928.7-1644.4425.8439.2293.2
Percentage of Assets23.624.927.527.126.429.028.227.627.227.727.731.931.831.432.532.434.1
Percentage of Assets srt:Subsidiaries us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:Subsidiaries, us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-6672.0-6723.0-5508.0-3471.0-1195.07732942242119041190338553120-489.0-1577.0-2862.0-1992.0
Percentage of StockholdersEquity87.084.680.262.837.7-29.3-2493.21513.1-8654.5-187.1-200.0-97.4-13.848.0-40.2-75.6-35.4
Percentage of Assets-9.2-9.8-8.9-5.5-1.91.34.94.03.12.00.61.10.2-0.9-3.1-5.6-4.1
Percentage of Assets srt:Subsidiaries us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Stockholders
Period End2020-12-31
Value-301.0
Percentage of StockholdersEquity4.4
Percentage of Assets-0.5
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.0

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

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-31
Value-320.0
Percentage of StockholdersEquity4.7
Percentage of Assets-0.5
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AdditionalPaidInCapital0.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-31
Value19
Percentage of StockholdersEquity-0.3
Percentage of Assets0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-6997.0-7036.0-7103.0-6476.0-6463.0-6480.0-6331.0-5946.0-5927.0-5909.0-5274.0-5826.0-5809.0-5794.0-5154.0-5083.0-4732.0-4559.0-2032.0-2980.0-3964.0-2755.0-2724.0-3177.0670
Percentage of StockholdersEquity91.388.6103.4117.1203.9245.85365.3-3716.226940.9929.13120.71025.7668.5569.2-131.3-134.3-84.0-225.674.437.355.769.878.1108.224.8
Percentage of Assets-9.7-10.2-11.5-10.3-10.0-11.1-10.6-9.7-9.6-9.7-8.7-11.1-11.0-10.9-10.0-9.9-9.8-10.4-4.8-12.7-16.6-11.0-10.70.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value7200698068945430537738613945420843864371496449464923527957147223115911513510594448144654445439939923696
Percentage of StockholdersEquity-93.9-87.9-100.4-98.2-169.7-146.5-3343.22630.0-19936.4-687.3-2937.3-870.8-566.5-518.6145.5190.8205.7748.9-387.9-56.1-62.8-112.7-126.1-136.0136.7
Percentage of Assets9.910.211.18.78.36.66.66.97.17.28.29.49.49.911.114.123.934.625.119.118.717.717.30.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value6.06.06.05.05.04.04.04.05.05.05.05.05.05.05.05.06.07.03.0341341339339285255
Percentage of StockholdersEquity-0.1-0.1-0.1-0.1-0.2-0.2-3.42.5-22.7-0.8-3.0-0.9-0.6-0.50.10.10.10.3-0.1-4.3-4.8-8.6-9.7-9.79.4
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01.51.41.41.30.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value-7876.0-7895.0-6664.0-4487.0-2088.0-21.0226418941514897136480154-355.033611640-1230.0-8562.0-11296.0-9462.0-7586.0-5607.0-5136.0
Percentage of StockholdersEquity102.799.497.081.265.90.8-1918.61183.8-6881.8-141.0-80.5-84.5-17.734.985.643.3-21.8-423.7413.6118.5106.7142.1147.2
Percentage of Assets-10.9-11.5-10.7-7.1-3.2-0.03.83.12.41.50.20.90.3-0.76.53.2-2.5-19.6-26.7-40.2-31.8-22.3-20.2
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value22647180891109512340137897175820695729850865486379498917696739146100021101610626103241104811184108029985137061410914129121121345014966151931432310241963575257072730379847778675768387997882568386642
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.326.317.919.721.412.213.715.615.914.214.318.017.418.217.819.120.720.220.121.621.921.620.628.129.530.227.730.433.434.733.938.236.831.530.130.532.331.728.327.731.032.527.326.1

us-gaap:AssetsCurrent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value27805245841882121354227971985320527207232065220054192571998217891
Percentage of AssetsCurrent122.8135.9169.6173.0165.3276.7250.1216.5209.7231.7223.0210.4195.6
Percentage of Assets38.435.830.434.035.333.934.233.933.333.031.838.034.8
Percentage of Assets srt:Subsidiaries36.133.027.229.931.228.028.628.828.527.927.231.829.1

Cash

us-gaap:Cash

us-gaap:Cash


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value325277245253462474280312319337275303293297295340386374322381446495390101695210489941178121012591140717604606480508371375283304318286168153
Percentage of Cash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.40.70.80.50.50.50.60.50.60.60.60.60.60.70.70.60.70.91.00.82.12.02.22.32.72.72.92.72.72.32.52.02.11.51.51.21.21.21.10.70.6

us-gaap:Cash us-gaap:ConsolidatedEntities

srt:Subsidiaries


Cashus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value305270231243452464267303311328265294282283287328310
Percentage of Cash93.897.594.396.097.897.995.497.197.597.396.497.096.295.397.396.596.3
Percentage of Assets0.40.40.40.40.70.80.40.50.50.50.40.60.50.50.60.60.6
Percentage of Assets srt:Subsidiaries0.40.40.30.30.60.70.40.40.40.50.40.50.00.00.50.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value465434399297467486290323330348286314305400398444489467436507
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.50.70.80.50.50.50.60.50.60.60.80.80.80.90.90.91.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:ConsolidatedEntities

srt:Subsidiaries


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-31
Value445427385287457476277314322339276305294386390432424481
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents95.798.496.596.697.997.995.597.297.697.496.597.196.496.598.097.397.294.9
Percentage of Assets0.60.60.60.50.70.80.50.50.50.60.50.60.60.70.80.80.81.0
Percentage of Assets srt:Subsidiaries0.60.60.60.40.60.70.40.40.40.50.40.50.00.00.60.00.00.0

Receivables Net Current

us-gaap:ReceivablesNetCurrent

us-gaap:ReceivablesNetCurrent


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value124997113421135879102017501850194318761706217019411809175217001543139715941703159314501425182818921826177119611981200815601340137612431124116011291056902925945922738768
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.42.21.81.41.72.93.03.13.12.84.13.73.43.43.22.92.73.13.33.12.92.93.84.03.94.04.44.44.63.75.05.25.24.84.84.64.33.83.73.73.42.93.0

us-gaap:ReceivablesNetCurrent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value12409651334112990110381770187219651953175522221755
Percentage of ReceivablesNetCurrent99.399.499.499.5102.5101.8101.1101.2101.1104.1102.9102.4100.2
Percentage of Assets1.71.42.21.81.41.83.03.13.23.22.94.23.4
Percentage of Assets srt:Subsidiaries1.61.31.91.61.21.52.52.62.72.72.53.52.9

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value66061566678090565062159663560749574385682465182682785663985583484574812851482137812601465
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.91.11.21.41.11.01.01.01.00.81.41.61.51.31.61.61.61.21.71.61.71.52.63.12.92.93.5

us-gaap:PrepaidExpenseAndOtherAssetsCurrent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value631584633727851613584594632601493739647
Percentage of PrepaidExpenseAndOtherAssetsCurrent95.695.095.093.294.094.394.099.799.599.099.699.599.4
Percentage of Assets0.90.91.01.21.31.01.01.01.01.00.81.41.3
Percentage of Assets srt:Subsidiaries0.80.80.91.01.20.90.80.80.90.80.71.21.1

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-09-302020-06-302020-03-31
Value420004340044600
Percentage of NoncurrentAssets100.0100.0100.0
Percentage of Assets66.967.276.1

us-gaap:NoncurrentAssets us-gaap:ConsolidatedEntities

srt:Subsidiaries


Noncurrent
Period End2020-09-302020-06-302020-03-31
Value415004300044100
Percentage of NoncurrentAssets98.899.198.9
Percentage of Assets66.166.675.3
Percentage of Assets srt:Subsidiaries58.258.862.3

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value48926498445064753654531195281652156515415150051149504924980248727481214693145353443234341542026406543920738085365513534330392
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets77.977.286.589.486.885.285.885.197.897.294.896.993.090.289.288.586.785.084.284.080.579.678.280.771.9

us-gaap:PropertyPlantAndEquipmentGross us-gaap:ConsolidatedEntities

srt:Subsidiaries


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value48239491564996452976524295213751501509235090549216
Percentage of PropertyPlantAndEquipmentGross98.698.698.798.798.798.798.798.898.898.8
Percentage of Assets76.876.285.388.385.784.184.784.196.795.8
Percentage of Assets srt:Subsidiaries67.667.270.673.772.972.171.771.881.080.2

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-06-302010-12-31
Value16670164931644118659185001811417746174431727716725161591564615416151281464014194140191380413393131441291512797125091225911133242232-219.0-205.0-198.0-197.01994481130011100
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.625.628.131.130.229.229.228.832.831.830.330.429.428.427.827.727.427.026.827.126.526.726.828.026.30.90.9-0.9-0.9-0.8-0.80.81.943.844.2

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:ConsolidatedEntities

srt:Subsidiaries


Accumulated
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value16318161501611118335181521777617418171231696415354
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment97.997.998.098.398.198.198.298.298.298.1
Percentage of Assets26.025.027.530.629.728.728.728.332.229.9
Percentage of Assets srt:Subsidiaries22.922.122.825.525.324.624.324.227.025.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3225633351342063499534619347023441034098342233442434333341563331132993322913115930304296112863327510262922528824042230842216321236199441925913225132891303613119133221347113596139131474214752147571483815181
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.451.758.458.356.656.056.656.365.065.464.466.563.661.961.460.859.358.057.456.854.052.851.452.750.247.445.645.649.450.754.755.855.754.555.558.359.657.254.459.159.7

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidatedEntities

srt:Subsidiaries


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value31921330063385334641342773436134083338003394133862
Percentage of PropertyPlantAndEquipmentNet99.099.099.099.099.099.099.099.199.299.1
Percentage of Assets50.951.157.857.756.055.556.155.864.565.9
Percentage of Assets srt:Subsidiaries44.845.147.848.247.747.547.547.754.055.1

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-12-092012-12-31
Value409140914091409140914091409140914091409141004091409140914091409140914091409140914091409140914091409140914091408940894089408640860.0
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets5.66.06.66.56.37.06.86.76.66.76.87.87.87.78.07.87.77.88.08.08.08.28.48.48.58.89.39.39.19.39.70.00.0

us-gaap:Goodwill us-gaap:ConsolidatedEntities

srt:Subsidiaries


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4091409140914091409140914091409140914091410040914091
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.66.06.66.56.37.06.86.76.66.76.87.88.0
Percentage of Assets srt:Subsidiaries5.35.55.95.75.65.85.75.75.75.75.86.56.7

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill


Indefinite
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value18001800180018001800190019001800180017001800708
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.92.92.83.13.03.13.73.53.73.94.33.0

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:ConsolidatedEntities

srt:Subsidiaries


Indefinite
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value1800180018001800180019001900
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.92.92.83.13.03.13.7
Percentage of Assets srt:Subsidiaries2.62.52.52.52.52.73.1

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value2008201920292039204920592084209521052115213721472157219322032214222422362173218922132236224922612274228122402311
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.93.33.23.23.53.53.43.43.53.54.14.14.14.34.24.24.24.24.34.34.54.64.64.84.95.15.5

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:ConsolidatedEntities

srt:Subsidiaries


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2008201920292039204920592084209521052115213721472203
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.93.33.23.23.53.53.43.43.53.54.14.3
Percentage of Assets srt:Subsidiaries2.62.72.92.92.82.92.92.92.92.93.03.43.6

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value197238279320364440496554161186224
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.40.50.60.70.91.11.30.70.80.9

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:ConsolidatedEntities

srt:Subsidiaries


Finite
Period End2020-12-312019-12-312018-12-312017-12-31
Value197238279320
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0
Percentage of Assets0.30.40.50.6
Percentage of Assets srt:Subsidiaries0.30.30.40.5

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3230616113539414871524196520722477-538.0-520.00.00.025
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0
Percentage of Assets5.21.01.90.82.93.03.84.25.1-1.2-1.20.00.00.1

us-gaap:DeferredTaxAssetsLiabilitiesNet us-gaap:ConsolidatedEntities

srt:Subsidiaries


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value322665912692036
Percentage of DeferredTaxAssetsLiabilitiesNet99.9107.0111.8516.8
Percentage of Assets5.21.12.14.0
Percentage of Assets srt:Subsidiaries4.70.91.83.3

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value795880008039797983238619873788429102912491510.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets11.011.713.012.712.914.714.614.514.715.015.10.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:ConsolidatedEntities

srt:Subsidiaries


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value791779587994794282788578869487959052907090940.0
Percentage of OperatingLeaseRightOfUseAsset99.599.599.499.599.599.599.599.599.599.499.40.0
Percentage of Assets10.911.612.912.712.814.614.514.414.614.915.00.0
Percentage of Assets srt:Subsidiaries10.310.711.511.111.312.112.112.212.512.612.80.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value116541166311175101989081858080578142831385998694891490229274809490889327971097919756102561047410920236521062211224421662190219222992214217221592167212920771928189118271716224722362332
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.117.018.016.214.114.613.413.313.414.114.416.917.117.415.717.317.518.519.119.120.121.022.64.94.44.75.14.94.95.05.48.38.39.19.28.98.47.97.97.46.78.38.99.2

us-gaap:OtherAssetsNoncurrent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value11332114131102610101902484948028808482868590872789479648
Percentage of OtherAssetsNoncurrent97.297.998.799.099.499.099.699.399.799.9100.4100.4119.2
Percentage of Assets15.616.617.816.114.014.513.413.213.414.114.417.018.8
Percentage of Assets srt:Subsidiaries14.715.315.914.212.312.011.211.211.512.012.314.215.7

Equity Securities Fv Ni

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

us-gaap:EquitySecuritiesFvNi

srt:Subsidiaries, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period 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
Value168201161146128122204183214265189211
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.30.20.20.20.30.30.30.40.30.4
Percentage of Assets srt:Subsidiaries us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementFrequency

srt:Subsidiaries, us-gaap:FairValueMeasurementsRecurring


Equity
Period 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
Value168201161146128122204183214265189211
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.30.20.20.20.30.30.30.40.30.4
Percentage of Assets srt:Subsidiaries us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period 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
Value168201161146128122204183214265189211
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.30.20.20.20.30.30.30.40.30.4
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Equity
Period 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
Value168201161146128122204183214265189211
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.30.20.20.20.30.30.30.40.30.4
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.00.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value21721624119610771175164820621932211821391773188620531953168816381924188215921673194419131563152516831587137714981653164613681307150714401244128313621336100711501291126711561064
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.02.41.91.71.82.83.43.23.43.52.93.63.93.73.33.13.63.63.13.33.83.83.23.13.53.43.13.43.73.83.24.95.76.05.35.45.55.54.24.75.04.74.64.2

us-gaap:AccountsPayableCurrent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value206915361116999110815651990186120522070170718221625
Percentage of AccountsPayableCurrent95.394.693.392.894.395.096.596.396.996.896.396.696.3
Percentage of Assets2.92.21.81.61.72.73.33.03.33.42.83.53.2
Percentage of Assets srt:Subsidiaries2.72.11.61.41.52.22.82.62.82.92.42.92.6

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

us-gaap:ContractWithCustomerLiabilityCurrent

srt:Subsidiaries, aal:AirTraffic


Contract
Period 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
Value7095559847574903511954734808556959565930433950404042
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.88.27.77.87.99.38.09.19.69.87.29.67.9
Percentage of Assets srt:Subsidiaries aal:AirTraffic0.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:Subsidiaries, aal:LoyaltyProgram


Contract
Period 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
Value2632232320332051235430943193319733103354326732423121
Percentage of ContractWithCustomerLiabilityCurrent37.141.542.741.846.056.566.457.455.656.675.364.377.2
Percentage of Assets3.63.43.33.33.65.35.35.25.35.55.46.26.1
Percentage of Assets srt:Subsidiaries aal:LoyaltyProgram0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ContractWithCustomerLiabilityCurrent us-gaap:ProductOrService

aal:AirTraffic


Contract
Period 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
Value7095559847574903511954734808556959565930433950404042
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.88.27.77.87.99.38.09.19.69.87.29.67.9
Percentage of Assets aal:AirTraffic0.00.00.00.00.00.00.00.00.00.00.00.00.0

aal:LoyaltyProgram


Contract
Period 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
Value2632232320332051235430943193319733103354326732423121
Percentage of ContractWithCustomerLiabilityCurrent37.141.542.741.846.056.566.457.455.656.675.364.377.2
Percentage of Assets3.63.43.33.33.65.35.35.25.35.55.46.26.1
Percentage of Assets aal:LoyaltyProgram0.00.00.00.00.00.00.00.00.00.00.00.00.0

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value215211733316569165841800019213183111956020123198491809616348166691700814964153071611215286138721453314917152771360514161150451423313435138881508815079138061009810669999093049586100669543863089239766985387807728
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets29.725.226.726.427.932.830.532.032.532.729.931.131.731.929.129.230.229.027.128.429.230.628.129.131.430.430.731.433.734.532.737.740.741.939.640.140.738.936.236.137.936.335.030.4

us-gaap:LiabilitiesCurrent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value20333170701630816342176181898117560180581864318375171211614614668
Percentage of LiabilitiesCurrent94.598.598.498.597.998.895.992.392.692.694.698.898.0
Percentage of Assets28.124.926.326.027.332.429.329.530.130.228.330.728.5
Percentage of Assets srt:Subsidiaries26.422.923.622.924.126.824.425.125.825.624.225.723.9

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2692233926972610247134152749350434173286321324761335129812561388150815981593151813741741186217761024
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.73.44.34.23.85.84.65.75.55.45.34.85.05.05.35.96.36.56.56.45.66.86.97.14.0

us-gaap:LongTermDebtCurrent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value194623422700261224743414224622522166203824661980
Percentage of LongTermDebtCurrent72.3100.1100.1100.1100.1100.081.764.363.462.076.880.0
Percentage of Assets2.73.44.44.23.85.83.73.73.53.44.13.9
Percentage of Assets srt:Subsidiaries2.53.13.93.73.44.83.13.13.02.83.53.2

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value158715951651173618041752170816721639162916540.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.22.32.72.82.83.02.82.72.62.72.70.0

us-gaap:OperatingLeaseLiabilityCurrent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value157715861641172417891739169516571625161516390.0
Percentage of OperatingLeaseLiabilityCurrent99.499.499.499.399.299.399.299.199.199.199.10.0
Percentage of Assets2.22.32.62.72.83.02.82.72.62.72.70.0
Percentage of Assets srt:Subsidiaries2.02.12.42.42.42.52.42.32.22.22.30.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3657217324192188345520952138216922962210234223012401235922812243232322722208223424362344233423022271216220973128335033553607
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.03.23.93.55.43.63.63.53.73.63.94.44.64.44.44.34.44.34.34.44.84.74.84.74.74.64.87.17.57.78.5

us-gaap:OtherAccruedLiabilitiesCurrent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3403206523002093321620192055206322122119225922132209
Percentage of OtherAccruedLiabilitiesCurrent93.195.095.195.793.196.496.195.196.395.996.596.296.8
Percentage of Assets4.73.03.73.35.03.43.43.43.63.53.74.24.3
Percentage of Assets srt:Subsidiaries4.42.83.32.94.42.92.92.93.13.03.23.53.6

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:LiabilitiesNoncurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value5861059261523065171749713420034180241455418664157442653368553682237290325063314633509338843361732184318222992229175307922918729757283152531425637275633120315880
Percentage of LiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets80.986.384.482.477.071.769.767.867.668.470.470.070.070.063.263.362.864.465.663.062.360.060.363.261.063.664.757.357.263.073.867.5

us-gaap:LiabilitiesNoncurrent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value53269542304855947988462294061940908405614096841410419873548436845
Percentage of LiabilitiesNoncurrent90.991.592.892.893.096.797.997.897.999.698.496.3113.3
Percentage of Assets73.579.078.376.471.669.368.266.366.168.169.367.471.7
Percentage of Assets srt:Subsidiaries69.272.870.267.363.257.456.956.456.657.759.256.460.0

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312012-12-312012-03-312011-12-312011-09-302011-06-302010-12-31
Value367293678529324295932819321033208962105521222200652056621818812322382482109261116910532
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets50.753.647.347.143.735.934.834.434.233.033.942.534.69.110.444.243.342.0

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value372013724729796300762869821564214542162521791206602117922274218632194622511222172252522829224892154521131191341833018849171521763816196156511520515244153537116
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.354.348.147.944.536.835.835.335.234.035.042.341.541.243.842.442.243.443.942.241.438.337.938.735.837.737.035.433.934.936.330.3

us-gaap:LongTermDebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities

srt:Subsidiaries


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value31985323462618226478253392029920684208572102420631206502099521236
Percentage of LongTermDebtAndCapitalLeaseObligations86.086.887.988.088.394.196.496.496.599.997.594.394.3
Percentage of Assets44.147.142.242.239.334.734.534.133.933.934.139.941.3
Percentage of Assets srt:Subsidiaries41.643.437.837.134.728.728.829.029.128.729.133.434.6

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value66276765706963106019610760525609564165196907689871187259749774677500780878427387742674407450743374777517756249645704576658286641670267306780767777920478757969792678777397
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.19.911.410.19.310.410.19.29.110.711.413.113.513.614.614.214.114.815.314.514.514.915.415.315.616.117.311.212.713.213.824.825.628.228.80.30.30.338.631.930.929.231.429.1

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value6586672370276267597560646008557055976475686368557452
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent99.499.499.499.399.399.399.399.399.299.399.499.499.4
Percentage of Assets9.19.811.310.09.310.410.09.19.010.711.313.014.5
Percentage of Assets srt:Subsidiaries8.69.010.28.88.28.68.47.77.79.09.710.912.1

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType

srt:Subsidiaries, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-31
Value821596589627
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent11.69.88.58.4
Percentage of Assets1.31.01.01.2
Percentage of Assets srt:Subsidiaries us-gaap:OtherPostretirementBenefitPlansDefinedBenefit0.00.00.00.0

srt:Subsidiaries, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-31
Value6206541262746825
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent87.889.490.891.0
Percentage of Assets10.09.010.413.3
Percentage of Assets srt:Subsidiaries us-gaap:PensionPlansDefinedBenefit0.00.00.00.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value821596589627628
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent11.69.88.58.48.0
Percentage of Assets1.31.01.01.21.2
Percentage of Assets us-gaap:OtherPostretirementBenefitPlansDefinedBenefit0.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value62485456631868707214
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent88.490.291.591.692.0
Percentage of Assets10.19.110.413.414.1
Percentage of Assets us-gaap:PensionPlansDefinedBenefit0.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value1397145615021605141613361453136113671396139323662357247524983462348427532760269826752723253536243604353934033589340832413159186618601708146816581687168514702853
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.92.12.42.62.22.32.42.22.22.32.34.54.54.64.96.66.55.25.45.35.25.55.27.47.57.67.88.17.67.47.57.07.17.26.26.96.86.96.211.4

us-gaap:OtherLiabilitiesNoncurrent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1347140514491545136712901406131013191347134523172456
Percentage of OtherLiabilitiesNoncurrent96.496.596.596.396.596.696.896.396.596.596.697.998.3
Percentage of Assets1.92.02.32.52.12.22.32.12.12.22.24.44.8
Percentage of Assets srt:Subsidiaries1.81.92.12.21.91.82.01.81.81.91.93.74.0

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value671167386777668369727239742175357818778579020.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets9.39.810.910.610.812.412.412.312.612.813.00.0

us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value667767016739665569407209738874997779774378570.0
Percentage of OperatingLeaseLiabilityNoncurrent99.599.599.499.699.599.699.699.599.599.599.40.0
Percentage of Assets9.29.810.910.610.812.312.312.312.612.713.00.0
Percentage of Assets srt:Subsidiaries8.79.09.79.39.510.210.310.410.810.811.10.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-312019-12-312018-12-31
Value177718171838
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0
Percentage of Assets2.93.03.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo us-gaap:ConsolidatedEntities

srt:Subsidiaries


Lessee
Period End2020-12-312019-12-312018-12-31
Value176418041824
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo99.399.399.2
Percentage of Assets2.83.03.0
Percentage of Assets srt:Subsidiaries2.52.52.6

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-312019-12-312018-12-31
Value158616201636
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0
Percentage of Assets2.62.72.7

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree us-gaap:ConsolidatedEntities

srt:Subsidiaries


Lessee
Period End2020-12-312019-12-312018-12-31
Value157516081625
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree99.399.399.3
Percentage of Assets2.52.72.7
Percentage of Assets srt:Subsidiaries2.32.22.3

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-312019-12-312018-12-31
Value119214291438
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0
Percentage of Assets1.92.42.4

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour us-gaap:ConsolidatedEntities

srt:Subsidiaries


Lessee
Period End2020-12-312019-12-312018-12-31
Value118414231428
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour99.399.699.3
Percentage of Assets1.92.42.4
Percentage of Assets srt:Subsidiaries1.72.02.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-312019-12-312018-12-31
Value81210301255
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0
Percentage of Assets1.31.72.1

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive us-gaap:ConsolidatedEntities

srt:Subsidiaries


Lessee
Period End2020-12-312019-12-312018-12-31
Value80810281250
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive99.599.899.6
Percentage of Assets1.31.72.1
Percentage of Assets srt:Subsidiaries1.21.41.8

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-312019-12-312018-12-31
Value330732763620
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0
Percentage of Assets5.35.56.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive us-gaap:ConsolidatedEntities

srt:Subsidiaries


Lessee
Period End2020-12-312019-12-312018-12-31
Value329132683611
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive99.599.899.8
Percentage of Assets5.35.46.0
Percentage of Assets srt:Subsidiaries4.84.55.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312018-12-31
Value842891299556
Percentage of OperatingLeaseLiability100.0100.0100.0
Percentage of Assets13.615.215.8

us-gaap:OperatingLeaseLiability us-gaap:ConsolidatedEntities

srt:Subsidiaries


Operating
Period End2020-12-312019-12-312018-12-31
Value838090839496
Percentage of OperatingLeaseLiability99.499.599.4
Percentage of Assets13.515.115.7
Percentage of Assets srt:Subsidiaries12.112.613.4

us-gaap:OperatingLeaseLiability us-gaap:ConsolidatedEntities, us-gaap:LeaseContractualTerm

srt:Subsidiaries, aal:EetcLeveragedLeaseFinancings


Operating
Period End2020-12-31
Value78
Percentage of OperatingLeaseLiability0.9
Percentage of Assets0.1
Percentage of Assets srt:Subsidiaries aal:EetcLeveragedLeaseFinancings0.0

us-gaap:OperatingLeaseLiability us-gaap:LeaseContractualTerm

aal:EetcLeveragedLeaseFinancings


Operating
Period End2020-12-31
Value78
Percentage of OperatingLeaseLiability0.9
Percentage of Assets0.1
Percentage of Assets aal:EetcLeveragedLeaseFinancings0.0

aal:SpecialFacilityRevenueBonds


Operating
Period End2020-12-31
Value321
Percentage of OperatingLeaseLiability3.8
Percentage of Assets0.5
Percentage of Assets aal:SpecialFacilityRevenueBonds0.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-312019-12-312018-12-31
Value106201116211699
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0
Percentage of Assets17.118.619.3

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue us-gaap:ConsolidatedEntities

srt:Subsidiaries


Lessee
Period End2020-12-312019-12-312018-12-31
Value105541110511632
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue99.499.599.4
Percentage of Assets17.018.519.2
Percentage of Assets srt:Subsidiaries15.215.416.4

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-312019-12-312018-12-31
Value219220332143
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0
Percentage of Assets3.53.43.5

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount us-gaap:ConsolidatedEntities

srt:Subsidiaries


Lessee
Period End2020-12-312019-12-312018-12-31
Value217420222136
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount99.299.599.7
Percentage of Assets3.53.43.5
Percentage of Assets srt:Subsidiaries3.12.83.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-7667.0-7945.0-6867.0-5528.0-3169.0-2636.0-118.0160-22.0-636.0-169.0-568.0-869.0-1018.03926394837153457378543914312471056353762363627642021497140861095-2731.0-7922.0-8216.0-8376.0-7987.0-7375.0-8968.0-8686.0-7111.0-4833.0-4509.0-3949.0-3945.0-3489.0-2935.02704
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-10.6-11.6-11.1-8.8-4.9-4.5-0.20.3-0.0-1.0-0.3-1.1-1.7-1.97.67.57.06.67.48.68.49.411.67.77.65.94.611.39.12.5-6.5-29.6-31.3-35.1-34.0-30.8-36.3-35.4-29.8-19.6-17.5-14.6-15.7-13.70.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:Subsidiaries


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value33473237434869889258111781342213260127401201211770112401097410360988885809698
Percentage of StockholdersEquity-43.7-40.7-63.3-126.4-292.1-424.1-11374.68287.5-57909.1-1888.7-6964.5-1978.9-1262.8-1017.7251.9226.7172.1
Percentage of Assets4.64.77.011.114.319.122.421.720.619.819.421.420.919.419.216.720.0
Percentage of Assets srt:Subsidiaries4.34.36.39.812.715.818.718.417.616.716.617.90.00.016.10.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-7089.0-7128.0-7194.0-6569.0-6555.0-6572.0-6423.0-6042.0-6023.0-6005.0-5370.0-5923.0-5906.0-5891.0-5251.0-5182.0-4831.0
Percentage of StockholdersEquity92.589.7104.8118.8206.8249.35443.2-3776.227377.3944.23177.51042.8679.6578.7-133.7-136.9-85.7
Percentage of Assets-9.8-10.4-11.6-10.5-10.2-11.2-10.7-9.9-9.7-9.9-8.9-11.3-11.2-11.1-10.2-10.1-10.0
Percentage of Assets srt:Subsidiaries us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:Subsidiaries, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value1710817088170501702817008169771690316881168591682716802167831676016740167161662416521
Percentage of StockholdersEquity-223.1-215.1-248.3-308.0-536.7-644.0-14324.610550.6-76631.8-2645.8-9942.0-2954.8-1928.7-1644.4425.8439.2293.2
Percentage of Assets23.624.927.527.126.429.028.227.627.227.727.731.931.831.432.532.434.1
Percentage of Assets srt:Subsidiaries us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:Subsidiaries, us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-6672.0-6723.0-5508.0-3471.0-1195.07732942242119041190338553120-489.0-1577.0-2862.0-1992.0
Percentage of StockholdersEquity87.084.680.262.837.7-29.3-2493.21513.1-8654.5-187.1-200.0-97.4-13.848.0-40.2-75.6-35.4
Percentage of Assets-9.2-9.8-8.9-5.5-1.91.34.94.03.12.00.61.10.2-0.9-3.1-5.6-4.1
Percentage of Assets srt:Subsidiaries us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Stockholders
Period End2020-12-31
Value-301.0
Percentage of StockholdersEquity4.4
Percentage of Assets-0.5
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.0

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

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-31
Value-320.0
Percentage of StockholdersEquity4.7
Percentage of Assets-0.5
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AdditionalPaidInCapital0.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-31
Value19
Percentage of StockholdersEquity-0.3
Percentage of Assets0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-6997.0-7036.0-7103.0-6476.0-6463.0-6480.0-6331.0-5946.0-5927.0-5909.0-5274.0-5826.0-5809.0-5794.0-5154.0-5083.0-4732.0-4559.0-2032.0-2980.0-3964.0-2755.0-2724.0-3177.0670
Percentage of StockholdersEquity91.388.6103.4117.1203.9245.85365.3-3716.226940.9929.13120.71025.7668.5569.2-131.3-134.3-84.0-225.674.437.355.769.878.1108.224.8
Percentage of Assets-9.7-10.2-11.5-10.3-10.0-11.1-10.6-9.7-9.6-9.7-8.7-11.1-11.0-10.9-10.0-9.9-9.8-10.4-4.8-12.7-16.6-11.0-10.70.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value7200698068945430537738613945420843864371496449464923527957147223115911513510594448144654445439939923696
Percentage of StockholdersEquity-93.9-87.9-100.4-98.2-169.7-146.5-3343.22630.0-19936.4-687.3-2937.3-870.8-566.5-518.6145.5190.8205.7748.9-387.9-56.1-62.8-112.7-126.1-136.0136.7
Percentage of Assets9.910.211.18.78.36.66.66.97.17.28.29.49.49.911.114.123.934.625.119.118.717.717.30.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value6.06.06.05.05.04.04.04.05.05.05.05.05.05.05.05.06.07.03.0341341339339285255
Percentage of StockholdersEquity-0.1-0.1-0.1-0.1-0.2-0.2-3.42.5-22.7-0.8-3.0-0.9-0.6-0.50.10.10.10.3-0.1-4.3-4.8-8.6-9.7-9.79.4
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01.51.41.41.30.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value-7876.0-7895.0-6664.0-4487.0-2088.0-21.0226418941514897136480154-355.033611640-1230.0-8562.0-11296.0-9462.0-7586.0-5607.0-5136.0
Percentage of StockholdersEquity102.799.497.081.265.90.8-1918.61183.8-6881.8-141.0-80.5-84.5-17.734.985.643.3-21.8-423.7413.6118.5106.7142.1147.2
Percentage of Assets-10.9-11.5-10.7-7.1-3.2-0.03.83.12.41.50.20.90.3-0.76.53.2-2.5-19.6-26.7-40.2-31.8-22.3-20.2
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value6.06.06.05.05.04.04.04.05.05.05.05.05.05.05.05.05.05.05.05.05.06.06.06.07.07.07.07.07.06.03.0342341341341341341341341341341339339339
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01.31.31.41.51.41.41.41.41.41.31.31.41.3

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value720069806894543053773861394542084386437149644946492352795714591862456726722377618351100441159112852143191504915135159431587914040105944488448444834481447744754470446544674459445544454399
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.910.211.18.78.36.66.66.97.17.28.29.49.49.911.111.311.712.814.115.216.420.123.926.429.932.234.636.135.432.125.116.817.118.819.118.718.118.218.718.117.316.417.717.3

us-gaap:AdditionalPaidInCapitalCommonStock us-gaap:ConsolidatedEntities

srt:Subsidiaries


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value17108170881705017028170081697716903168811685916827168021678316716
Percentage of AdditionalPaidInCapitalCommonStock237.6244.8247.3313.6316.3439.7428.5401.2384.4385.0338.5339.3292.5
Percentage of Assets23.624.927.527.126.429.028.227.627.227.727.731.932.5
Percentage of Assets srt:Subsidiaries22.222.924.623.923.324.023.523.523.323.423.726.727.2

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
Value-7876.0-7895.0-6664.0-4487.0-2088.0-21.0226418941514897136-316.0-610.0-1130.0336131522577182316401403719-591.0-1230.0-4445.0-6070.0-7702.0-8562.0-9086.0-9953.0-10816.0-11296.0-9295.0-9584.0-9803.0-9462.0-9725.0-9487.0-9246.0-7586.0-6491.0-6329.0-6043.0-5607.0-5136.0
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 Assets-10.9-11.5-10.7-7.1-3.2-0.03.83.12.41.50.2-0.6-1.2-2.16.56.04.83.53.22.71.4-1.2-2.5-9.1-12.7-16.5-19.6-20.6-22.2-24.7-26.7-34.7-36.6-41.1-40.2-40.6-38.4-37.7-31.8-26.3-24.5-22.3-22.3-20.2

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities

srt:Subsidiaries


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value-6672.0-6723.0-5508.0-3471.0-1195.07732942242119041190338-242.0-1577.0
Percentage of RetainedEarningsAccumulatedDeficit84.785.282.777.457.2-3681.0129.9127.8125.8132.7248.576.6-46.9
Percentage of Assets-9.2-9.8-8.9-5.5-1.91.34.94.03.12.00.6-0.5-3.1
Percentage of Assets srt:Subsidiaries-8.7-9.0-8.0-4.9-1.61.14.13.42.61.70.5-0.4-2.6

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

srt:CumulativeEffectPeriodOfAdoptionAdjustment, aal:SeniorNotes6.50Due2025, us-gaap:SeniorNotes


Retained
Period End2021-01-01
Value19
Percentage of RetainedEarningsAccumulatedDeficit0.0
Percentage of Assets0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment aal:SeniorNotes6.50Due2025 us-gaap:SeniorNotes0.0

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

srt:CumulativeEffectPeriodOfAdoptionAdjustment, aal:SeniorNotes6.50Due2025, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Retained
Period End2021-01-01
Value19
Percentage of RetainedEarningsAccumulatedDeficit0.0
Percentage of Assets0.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment aal:SeniorNotes6.50Due2025 us-gaap:SeniorNotes us-gaap:SubsequentEvent0.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-6997.0-7036.0-7103.0-6476.0-6463.0-6480.0-6331.0-5946.0-5927.0-5909.0-5274.0-5203.0-5187.0-5172.0-5154.0-5127.0-5112.0-5097.0-5083.0-4778.0-4763.0-4749.0-4732.0-4651.0-4620.0-4590.0-4559.0-1893.0-1846.0-2135.0-2032.0-3090.0-3090.0-3030.0-2980.0-2101.0-3930.0-3884.0-3964.0-2783.0-2613.0-2333.0-2755.0-2724.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-9.7-10.2-11.5-10.3-10.0-11.1-10.6-9.7-9.6-9.7-8.7-9.9-9.9-9.7-10.0-9.8-9.6-9.7-9.9-9.3-9.3-9.5-9.8-9.5-9.7-9.8-10.4-4.3-4.1-4.9-4.8-11.5-11.8-12.7-12.7-8.8-15.9-15.8-16.6-11.3-10.1-8.6-11.0-10.7

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:Subsidiaries


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-31
Value-7089.0-7128.0-7194.0-6569.0-6555.0-6572.0-6423.0-6042.0-6023.0-6005.0-5370.0-5301.0-5251.0-5182.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax101.3101.3101.3101.4101.4101.4101.5101.6101.6101.6101.8101.9101.9101.9
Percentage of Assets-9.8-10.4-11.6-10.5-10.2-11.2-10.7-9.9-9.7-9.9-8.9-10.1-10.2-10.1
Percentage of Assets srt:Subsidiaries-9.2-9.6-10.4-9.2-9.0-9.3-8.9-8.4-8.3-8.4-7.6-8.4-8.60.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-03-312020-09-302020-06-30
Value3160.01113
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.0100.0
Percentage of Assets0.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312020-06-30
Value3161112
Percentage of StockIssuedDuringPeriodValueNewIssues100.099.9
Percentage of Assets0.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock

us-gaap:AdditionalPaidInCapital, aal:AtTheMarketOffering


Stock
Period End2021-03-31
Value316
Percentage of StockIssuedDuringPeriodValueNewIssues100.0
Percentage of Assets0.0
Percentage of Assets us-gaap:AdditionalPaidInCapital aal:AtTheMarketOffering0.0

us-gaap:AdditionalPaidInCapital, aal:PublicStockOffering


Stock
Period End2021-06-302020-06-30
Value1441112
Percentage of StockIssuedDuringPeriodValueNewIssues0.099.9
Percentage of Assets0.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital aal:PublicStockOffering0.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:SubsidiarySaleOfStock

aal:AtTheMarketOffering


Stock
Period End2021-03-31
Value316
Percentage of StockIssuedDuringPeriodValueNewIssues100.0
Percentage of Assets0.0
Percentage of Assets aal:AtTheMarketOffering0.0

aal:PublicStockOffering


Stock
Period End2021-06-302020-06-30
Value1441113
Percentage of StockIssuedDuringPeriodValueNewIssues0.0100.0
Percentage of Assets0.00.0
Percentage of Assets aal:PublicStockOffering0.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2038203118222525232024
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:ConsolidatedEntities

srt:Subsidiaries


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2038203118222525232024
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets srt:Subsidiaries0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2038203118222525232024
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets srt:Subsidiaries us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2038203118222525232024
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3470174-2863.0-2604.0-908.0-168.06008287361651729-79.01084179943736916882250627106422132620228118023472494804-361.013811256-1128.0-37.01157683-288.0-155.06551067334-307.0-55.0708151-83.0717456
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax46.44.3-71.1-82.1-56.0-2.05.37.06.215.66.7-0.79.317.34.13.415.022.96.410.021.427.82.411.021.725.47.9-3.212.212.6-15.3-0.517.911.2-4.9-2.410.217.75.6-4.8-0.912.82.7-1.412.69.0

us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value47061428-1339.0-2385.02696-401.0-481.05751379956661-144.01631263132
Percentage of NetCashProvidedByUsedInOperatingActivities135.6820.746.891.6-296.9238.7-80.269.4187.457.990.7182.315.070.230.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax62.935.6-33.3-75.2166.2-4.7-4.34.811.59.06.0-1.21.412.11.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries62.935.6-33.3-75.2166.2-4.7-4.34.811.59.06.0-1.21.412.11.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-3884.0-7152.01696923-6799.0-162.0639-469.0-1933.0-480.0-390.0-548.0-79.0-956.0-557.0184-1404.0-1849.0-1056.0-871.0-1657.0-2114.0438-1337.0-1493.0-3202.0-786.0222-1404.0-943.01278-1107.0-2897.0-1088.0-367.0396-615.0-985.0-362.0368257-1555.0-534.0-122.0-946.0-428.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-51.9-178.442.129.1-419.2-1.95.6-3.9-16.2-4.5-3.6-4.7-0.7-9.2-5.21.7-12.5-18.8-10.8-8.2-16.0-22.44.5-12.5-13.8-32.6-7.72.0-12.4-9.417.3-16.2-44.9-17.8-6.26.2-9.5-16.3-6.15.84.2-28.1-9.6-2.1-16.7-8.4

us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-3873.0-7135.01701928-6790.0-147.0650-462.0-1896.0-438.0-369.0-539.0-68.0-934.0-539.0
Percentage of NetCashProvidedByUsedInInvestingActivities99.799.8100.3100.599.990.7101.798.598.191.294.698.486.197.796.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-51.8-178.042.229.2-418.6-1.75.7-3.9-15.9-4.1-3.4-4.7-0.6-9.0-5.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries-51.8-178.042.229.3-418.6-1.75.7-3.9-15.9-4.1-3.4-4.7-0.6-9.0-5.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4457013126915117688526-1272.0-366.01179-1109.0-367.0636-1100.0-841.075-599.0-272.0-349.0370-258.0-605.0-401.0-1292.0221-950.0762-202.0107-26.0-194.027312571738531627-104.0-44.010.07.0-75.0-170.09653492102378.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.0175.031.547.6474.06.2-11.2-3.19.9-10.5-3.45.5-9.4-8.10.7-5.5-2.4-3.63.8-2.4-5.8-4.3-13.42.1-8.87.8-2.01.0-0.2-1.93.718.426.98.710.6-1.6-0.70.20.1-1.2-2.817.46.23.64.20.2

us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-815.05749-264.012874075747-206.0-121.0500-455.0-321.0694-187.0-333.0366
Percentage of NetCashProvidedByUsedInFinancingActivities-183.182.0-20.885.253.0142.016.233.142.441.087.5109.117.039.6488.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.9143.4-6.640.6251.28.8-1.8-1.04.2-4.3-2.96.0-1.6-3.23.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries-10.9143.4-6.640.6251.28.8-1.8-1.04.2-4.3-2.96.0-1.6-3.23.5

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3135102-170.0-19.0196-33.0-7.0-18.062-28.09.0-95.02.0-45.0-45.02231
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.92.5-5.4-1.22.3-0.3-0.1-0.20.6-0.30.1-0.80.0-0.4-0.40.20.3

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect us-gaap:ConsolidatedEntities

srt:Subsidiaries


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value184298-170.0-19.0199-37.0-8.0-17.063-29.011-92.0-4.0-41.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect58.1120.096.1100.0100.0101.5112.1114.394.4101.6103.6122.296.8-200.091.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.21.02.4-5.4-1.22.3-0.3-0.1-0.10.6-0.30.1-0.8-0.0-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.21.02.4-5.4-1.22.3-0.3-0.1-0.10.6-0.30.1-0.8-0.0-0.4

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3470174-2863.0-2604.0-908.0-168.06008287361651729-79.01084179943736916882250627106422132620228118023472494804-361.013811256-1128.0-37.01157683-288.0-155.06551067334-307.0-55.0708151-83.0717456
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax46.44.3-71.1-82.1-56.0-2.05.37.06.215.66.7-0.79.317.34.13.415.022.96.410.021.427.82.411.021.725.47.9-3.212.212.6-15.3-0.517.911.2-4.9-2.410.217.75.6-4.8-0.912.82.7-1.412.69.0

us-gaap:NetCashProvidedByUsedInOperatingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value47061428-1339.0-2385.02696-401.0-481.05751379956661-144.01631263132
Percentage of NetCashProvidedByUsedInOperatingActivities135.6820.746.891.6-296.9238.7-80.269.4187.457.990.7182.315.070.230.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax62.935.6-33.3-75.2166.2-4.7-4.34.811.59.06.0-1.21.412.11.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries62.935.6-33.3-75.2166.2-4.7-4.34.811.59.06.0-1.21.412.11.2

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
Value19-1250.0-2178.0-2399.0-2067.0-2241.0414425662185325341566186258624803234289737950700328116931704932597942864480-2000.0289220-341.0263-238.0-241.0-1660.0-1095.0-162.0-286.0-436.0-97.0143-11.0-505.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3-31.2-54.1-75.6-127.4-26.33.73.65.51.73.03.04.91.82.45.77.22.43.07.09.27.434.115.815.79.55.98.57.64.8-27.14.23.4-5.64.4-3.7-3.7-27.5-18.4-2.5-4.7-7.9-1.72.4-0.2-10.0

us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value51-1215.0-2037.0-2276.0-1968.0-2169.0520508714230407403609209-658.0686888369
Percentage of NetIncomeLoss268.497.293.594.995.296.8125.6119.5107.9124.3125.2118.2107.6112.4-255.0109.9110.6157.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.7-30.3-50.6-71.7-121.3-25.54.64.36.02.23.73.55.22.0-6.26.37.93.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries0.7-30.3-50.6-71.8-121.3-25.54.64.36.02.23.73.55.22.0-6.26.37.93.8

us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

srt:Subsidiaries, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-39.0-39.0-7.04.09.0181816
Percentage of NetIncomeLoss-205.33.10.3-0.2-0.44.22.78.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-1.0-0.20.20.10.20.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value51-1215.0-2276.0-1968.0-2169.0508714230433609209
Percentage of NetIncomeLoss268.497.294.995.296.8119.5107.9124.3127.0107.6112.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.7-30.3-71.7-121.3-25.54.36.02.23.75.22.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-39.0-40.0-8.04.09.0181816
Percentage of NetIncomeLoss-205.33.20.3-0.2-0.44.22.78.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-1.0-0.30.20.10.20.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value19-1250.0-2399.0-2067.0-2241.0425662185372556159
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0109.198.285.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3-31.2-75.6-127.4-26.33.65.51.73.24.81.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-3884.0-7152.01696923-6799.0-162.0639-469.0-1933.0-480.0-390.0-548.0-79.0-956.0-557.0184-1404.0-1849.0-1056.0-871.0-1657.0-2114.0438-1337.0-1493.0-3202.0-786.0222-1404.0-943.01278-1107.0-2897.0-1088.0-367.0396-615.0-985.0-362.0368257-1555.0-534.0-122.0-946.0-428.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-51.9-178.442.129.1-419.2-1.95.6-3.9-16.2-4.5-3.6-4.7-0.7-9.2-5.21.7-12.5-18.8-10.8-8.2-16.0-22.44.5-12.5-13.8-32.6-7.72.0-12.4-9.417.3-16.2-44.9-17.8-6.26.2-9.5-16.3-6.15.84.2-28.1-9.6-2.1-16.7-8.4

us-gaap:NetCashProvidedByUsedInInvestingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-3873.0-7135.01701928-6790.0-147.0650-462.0-1896.0-438.0-369.0-539.0-68.0-934.0-539.0
Percentage of NetCashProvidedByUsedInInvestingActivities99.799.8100.3100.599.990.7101.798.598.191.294.698.486.197.796.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-51.8-178.042.229.2-418.6-1.75.7-3.9-15.9-4.1-3.4-4.7-0.6-9.0-5.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries-51.8-178.042.229.3-418.6-1.75.7-3.9-15.9-4.1-3.4-4.7-0.6-9.0-5.1

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


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
Value-99.0-19.0148577388845113980610181305100910059527791408136914801714146012081506155715301482173014091305132816311047714596919885735420495238376486389359550683412317
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireProductiveAssets us-gaap:ConsolidatedEntities

srt:Subsidiaries


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-109.0-24.0141573379829111378899212639809949417621380
Percentage of PaymentsToAcquireProductiveAssets110.1126.395.399.397.798.197.797.897.496.897.198.998.897.898.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4457013126915117688526-1272.0-366.01179-1109.0-367.0636-1100.0-841.075-599.0-272.0-349.0370-258.0-605.0-401.0-1292.0221-950.0762-202.0107-26.0-194.027312571738531627-104.0-44.010.07.0-75.0-170.09653492102378.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.0175.031.547.6474.06.2-11.2-3.19.9-10.5-3.45.5-9.4-8.10.7-5.5-2.4-3.63.8-2.4-5.8-4.3-13.42.1-8.87.8-2.01.0-0.2-1.93.718.426.98.710.6-1.6-0.70.20.1-1.2-2.817.46.23.64.20.2

us-gaap:NetCashProvidedByUsedInFinancingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-815.05749-264.012874075747-206.0-121.0500-455.0-321.0694-187.0-333.0366
Percentage of NetCashProvidedByUsedInFinancingActivities-183.182.0-20.885.253.0142.016.233.142.441.087.5109.117.039.6488.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.9143.4-6.640.6251.28.8-1.8-1.04.2-4.3-2.96.0-1.6-3.23.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Subsidiaries-10.9143.4-6.640.6251.28.8-1.8-1.04.2-4.3-2.96.0-1.6-3.23.5

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value123510861216210077661698410961218940020512576562368985357268992309870302215005462467230176689518733102241052239815231612680.00.00.0785675531164116187102137
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfLongTermDebt us-gaap:ConsolidatedEntities

srt:Subsidiaries


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value150996521618755670119841096114394002051257656236898
Percentage of ProceedsFromIssuanceOfLongTermDebt12.191.8100.089.373.070.6100.0100.065.7100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfLongTermDebt us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

srt:Subsidiaries, aal:EnhancedEquipmentTrustCertificatesAndOtherEquipmentFinancing, us-gaap:SecuredDebt


Proceeds
Period End2020-12-31
Value277
Percentage of ProceedsFromIssuanceOfLongTermDebt128.2

srt:Subsidiaries, aal:EquipmentLoansandOtherNotesPayableMaturing2029Through2032, us-gaap:SecuredDebt


Proceeds
Period End2020-09-302020-06-302020-03-31
Value0.00.0197
Percentage of ProceedsFromIssuanceOfLongTermDebt0.00.011.6

us-gaap:ProceedsFromIssuanceOfLongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

aal:A2021JFKBonds, us-gaap:SecuredDebt


Proceeds
Period End2021-06-30
Value150
Percentage of ProceedsFromIssuanceOfLongTermDebt12.1

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:RepaymentsOfLongTermDebt

srt:Subsidiaries, us-gaap:LineOfCredit, aal:TreasuryLoanAgreementCARESAct


Repayments
Period End2021-06-302021-03-31
Value0.0550
Percentage of RepaymentsOfLongTermDebt0.0100.0

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

srt:Subsidiaries, us-gaap:RevolvingCreditFacility, aal:CreditFacility2013, us-gaap:SecuredDebt


Repayments
Period End2021-06-302021-03-31
Value0.0750
Percentage of RepaymentsOfLongTermDebt0.0136.4

srt:Subsidiaries, us-gaap:RevolvingCreditFacility, aal:CreditFacility2014, us-gaap:SecuredDebt


Repayments
Period End2021-06-302021-03-31
Value0.01600
Percentage of RepaymentsOfLongTermDebt0.0290.9

srt:Subsidiaries, us-gaap:RevolvingCreditFacility, aal:CreditFacilityApril2016, us-gaap:SecuredDebt


Repayments
Period End2021-06-302021-03-31
Value0.0450
Percentage of RepaymentsOfLongTermDebt0.081.8

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

srt:Subsidiaries, aal:EnhancedEquipmentTrustCertificates20191, us-gaap:EnhancedEquipmentTrustCertificate


Repayments
Period End2020-09-302019-09-30
Value126513
Percentage of RepaymentsOfLongTermDebt0.00.0

srt:Subsidiaries, aal:EquipmentLoansAndOtherNotesPayable, us-gaap:SecuredDebt


Repayments
Period End2020-09-302020-06-302020-03-31
Value0.00.017
Percentage of RepaymentsOfLongTermDebt0.00.00.0

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

srt:Subsidiaries, aal:SparePartsCreditFacilityApril2016, us-gaap:SecuredDebt, us-gaap:SubsequentEvent


Repayments
Period End2021-07-22
Value950
Percentage of RepaymentsOfLongTermDebt0.0

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

aal:A2016JFKBondsAnd2020JFKBonds, us-gaap:SecuredDebt


Repayments
Period End2021-06-30
Value62
Percentage of RepaymentsOfLongTermDebt0.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-30
Value0.0130.00.02.0171272200176080.00.03764612433595294845696951711152514351480750181907127-56.0840.0
Percentage of PaymentsForRepurchaseOfCommonStock0.0100.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value104628134882257189048790143894459351537384195
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsNet us-gaap:ConsolidatedEntities

srt:Subsidiaries


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value10321812089017309
Percentage of DeferredTaxAssetsNet98.799.8100.9127.8

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-06-30
Value34343434303629224816501343004500450044114900480047004148330030003200
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:ConsolidatedEntities

srt:Subsidiaries


Deferred
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-31
Value242424241925
Percentage of DeferredTaxAssetsValuationAllowance70.670.670.670.663.369.4

Proceeds From Sale Of Short Term Investments

us-gaap:ProceedsFromSaleOfShortTermInvestments

us-gaap:ProceedsFromSaleOfShortTermInvestments


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value142214152004728941237162091356010518891237550102912011341171316601505177716601150235027311776166021863270841882
Percentage of ProceedsFromSaleOfShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfShortTermInvestments us-gaap:ConsolidatedEntities

srt:Subsidiaries


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value14221415200472894123716209135601051889123755010291201
Percentage of ProceedsFromSaleOfShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aal:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtNetOfTaxAndOfferingCosts us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

aal:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtNetOfTaxAndOfferingCosts

srt:CumulativeEffectPeriodOfAdoptionAdjustment, aal:SeniorNotes6.50Due2025, us-gaap:SeniorNotes


Adjustments
Period End2021-06-302021-03-31
Value-640.0320
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtNetOfTaxAndOfferingCosts100.0100.0

aal:CapacityPurchases us-gaap:ConsolidatedEntities, us-gaap:CounterpartyName, us-gaap:ProductOrService

aal:CapacityPurchases

srt:Subsidiaries, aal:RepublicAirlineInc, us-gaap:RegionalCarrier


Capacity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9112712510261150148150149143142142144138
Percentage of CapacityPurchases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aal:CapacityPurchases us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

srt:Subsidiaries, us-gaap:RegionalCarrier


Capacity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value645622570913897900907857827817825798823832
Percentage of CapacityPurchases516.0609.8934.4608.7606.1600.0608.7599.3582.4575.4572.9578.30.00.0

aal:CapacityPurchases us-gaap:CounterpartyName, us-gaap:ProductOrService

aal:RepublicAirlineInc, us-gaap:RegionalCarrier


Capacity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9112712510261150148150149143142142144138
Percentage of CapacityPurchases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aal:CapacityPurchases us-gaap:ProductOrService

us-gaap:RegionalCarrier


Capacity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value289233179354352354352340350363364354371404413393374378392394419399409379373380371347
Percentage of CapacityPurchases231.2228.4293.4236.0237.8236.0236.2237.8246.5255.6252.8256.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

aal:ContractwithCustomerLiabilityIncreasefromDeferralOfRevenue us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

aal:ContractwithCustomerLiabilityIncreasefromDeferralOfRevenue

srt:Subsidiaries, aal:LoyaltyProgram


Contractwith
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value493490356307262887851781843963781
Percentage of ContractwithCustomerLiabilityIncreasefromDeferralOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aal:ContractwithCustomerLiabilityIncreasefromDeferralOfRevenue us-gaap:ProductOrService

aal:LoyaltyProgram


Contractwith
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value493490356307262887851781843963781716721865
Percentage of ContractwithCustomerLiabilityIncreasefromDeferralOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

aal:DebtRefinancingDebtExtinguishmentAndOtherExpense

aal:DebtRefinancingDebtExtinguishmentAndOtherExpense


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.026-13.00.011372.0-1.08.00.0
Percentage of DebtRefinancingDebtExtinguishmentAndOtherExpense0.0100.0100.00.0100.0100.0100.0100.0100.00.0

aal:DebtRefinancingDebtExtinguishmentAndOtherExpense us-gaap:ConsolidatedEntities

srt:Subsidiaries


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.026-13.00.011372.07.08.00.0
Percentage of DebtRefinancingDebtExtinguishmentAndOtherExpense0.0100.0100.00.0100.0100.0100.0-700.0100.00.0

aal:DecreaseInFlightTravelComparedToPriorYearDomesticCapacityPercentage

aal:DecreaseInFlightTravelComparedToPriorYearDomesticCapacityPercentage


Decrease
Period End2021-06-302021-03-31
Value12.836.8
Percentage of DecreaseInFlightTravelComparedToPriorYearDomesticCapacityPercentage100.0100.0

aal:DecreaseInFlightTravelComparedToPriorYearLongHaulInternationalCapacityPercentage

aal:DecreaseInFlightTravelComparedToPriorYearLongHaulInternationalCapacityPercentage


Decrease
Period End2021-06-302021-03-31
Value46.545.1
Percentage of DecreaseInFlightTravelComparedToPriorYearLongHaulInternationalCapacityPercentage100.0100.0

aal:DecreaseInFlightTravelComparedToPriorYearLongHaulInternationalCapacityPercentage us-gaap:StatementScenario

srt:ScenarioForecast


Decrease
Period End2020-12-31
Value75.0
Percentage of DecreaseInFlightTravelComparedToPriorYearLongHaulInternationalCapacityPercentage0.0

aal:DecreaseInFlightTravelComparedtoPriorYear

aal:DecreaseInFlightTravelComparedtoPriorYear


Decrease
Period End2021-06-302021-03-312020-09-302020-06-30
Value24.639.2-59.00.76
Percentage of DecreaseInFlightTravelComparedtoPriorYear100.0100.0100.0100.0

aal:DecreaseInFlightTravelComparedtoPriorYear us-gaap:StatementScenario

srt:ScenarioForecast


Decrease
Period End2020-12-312020-09-30
Value50.00.6
Percentage of DecreaseInFlightTravelComparedtoPriorYear0.0-1.0

aal:DecreaseInRevenueComparedtoPriorYear

aal:DecreaseInRevenueComparedtoPriorYear


Decrease
Period End2020-09-302020-06-302020-03-31
Value73.00.860.2
Percentage of DecreaseInRevenueComparedtoPriorYear100.0100.0100.0

aal:DefinedBenefitPlanContributionsMadeForPriorYearUnderCARESAct us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType

aal:DefinedBenefitPlanContributionsMadeForPriorYearUnderCARESAct

srt:Subsidiaries, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-01-31
Value130
Percentage of DefinedBenefitPlanContributionsMadeForPriorYearUnderCARESAct100.0

aal:DefinedBenefitPlanContributionsMadeForPriorYearUnderCARESAct us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-01-31
Value130
Percentage of DefinedBenefitPlanContributionsMadeForPriorYearUnderCARESAct100.0

aal:FinancialAssistancePayrollSupportProgramCARESAct

aal:FinancialAssistancePayrollSupportProgramCARESAct


Financial
Period End2020-09-30
Value-2100.0
Percentage of FinancialAssistancePayrollSupportProgramCARESAct100.0

aal:FleetEquipmentImpairmentAndInventoryWriteDown

aal:FleetEquipmentImpairmentAndInventoryWriteDown


Fleet
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value270.070920764
Percentage of FleetEquipmentImpairmentAndInventoryWriteDown100.00.0100.0100.0100.0

aal:FleetEquipmentImpairmentAndInventoryWriteDown us-gaap:ConsolidatedEntities

srt:Subsidiaries


Fleet
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value270.07099.0764
Percentage of FleetEquipmentImpairmentAndInventoryWriteDown100.00.0100.045.0100.0

aal:FlightEquipmentOperatingLeaseAndInventoryImpairmentLoss us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

aal:FlightEquipmentOperatingLeaseAndInventoryImpairmentLoss

srt:Subsidiaries, us-gaap:Mainline


Flight
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.07420.0744122010.00.0
Percentage of FlightEquipmentOperatingLeaseAndInventoryImpairmentLoss0.0100.00.0100.0100.0100.00.00.0

srt:Subsidiaries, us-gaap:RegionalCarrier


Flight
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-30
Value0.0270.00.013930.0
Percentage of FlightEquipmentOperatingLeaseAndInventoryImpairmentLoss0.00.00.00.00.012.50.0

aal:FlightEquipmentOperatingLeaseAndInventoryImpairmentLoss us-gaap:ProductOrService

us-gaap:Mainline


Flight
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.07420.0744122010.00.0
Percentage of FlightEquipmentOperatingLeaseAndInventoryImpairmentLoss0.0100.00.0100.0100.0100.00.00.0

us-gaap:RegionalCarrier


Flight
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-30
Value0.0270.00.024930.0
Percentage of FlightEquipmentOperatingLeaseAndInventoryImpairmentLoss0.00.00.00.00.012.50.0

aal:IncreaseDecreaseInRestrictedShortTermInvestments

aal:IncreaseDecreaseInRestrictedShortTermInvestments


Increase
Period End2021-06-302021-03-312020-09-302019-09-30
Value210194-69.00.0
Percentage of IncreaseDecreaseInRestrictedShortTermInvestments100.0100.0100.00.0

aal:IncreaseDecreaseInRestrictedShortTermInvestments us-gaap:ConsolidatedEntities

srt:Subsidiaries


Increase
Period End2021-06-302021-03-312020-09-302019-09-30
Value210194-69.00.0
Percentage of IncreaseDecreaseInRestrictedShortTermInvestments100.0100.0100.00.0

aal:MarktoMarketAdjustmentsIncomeLossforBankruptcyObligationsandOther us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

aal:MarktoMarketAdjustmentsIncomeLossforBankruptcyObligationsandOther

srt:Subsidiaries, us-gaap:Mainline


Markto
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0-6.00.00.00.050-7.022-5.00.0
Percentage of MarktoMarketAdjustmentsIncomeLossforBankruptcyObligationsandOther0.0100.00.00.00.0100.0100.0100.0100.00.0

aal:MarktoMarketAdjustmentsIncomeLossforBankruptcyObligationsandOther us-gaap:ProductOrService

us-gaap:Mainline


Markto
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0-6.00.00.00.050-7.022-5.00.0
Percentage of MarktoMarketAdjustmentsIncomeLossforBankruptcyObligationsandOther0.0100.00.00.00.0100.0100.0100.0100.00.0

aal:NonoperatingSpecialItemsNet

aal:NonoperatingSpecialItemsNet


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value37-23.0-37.0-21.011217-40.04469-69.01815800.010.03.02.05.0130.03659221-11.0-8.031502.047
Percentage of NonoperatingSpecialItemsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aal:NonoperatingSpecialItemsNet us-gaap:ConsolidatedEntities

srt:Subsidiaries


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value37-23.0-37.0-21.011217-40.05269-69.01815800.010.03.0
Percentage of NonoperatingSpecialItemsNet100.0100.0100.0100.0100.0100.0100.0118.2100.0100.0100.0100.0100.00.0100.0100.0

aal:NumberOfTeamMembersOptingForEarlyRetirementOrLongTermPaidLeave

aal:NumberOfTeamMembersOptingForEarlyRetirementOrLongTermPaidLeave


Number
Period End2020-12-31
Value0
Percentage of NumberOfTeamMembersOptingForEarlyRetirementOrLongTermPaidLeave0.0

aal:OperatingAndNonoperatingSpecialChargesNet

aal:OperatingAndNonoperatingSpecialChargesNet


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value-36.0108225307273-2000.0
Percentage of OperatingAndNonoperatingSpecialChargesNet100.0100.0100.0100.0100.0100.0

aal:OperatingAndNonoperatingSpecialChargesNet us-gaap:ConsolidatedEntities

srt:Subsidiaries


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value-36.01082201200
Percentage of OperatingAndNonoperatingSpecialChargesNet100.0100.097.8390.9

aal:OtherOperatingSpecialChargesNet us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

aal:OtherOperatingSpecialChargesNet

srt:Subsidiaries, us-gaap:Mainline


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.0-33.015-6.01.00.018
Percentage of OtherOperatingSpecialChargesNet0.00.0100.0100.0100.0100.00.0100.0

aal:OtherOperatingSpecialChargesNet us-gaap:ProductOrService

us-gaap:Mainline


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.0-33.015-6.01.00.018
Percentage of OtherOperatingSpecialChargesNet0.00.0100.0100.0100.0100.00.0100.0

aal:OtherSignificantNoncashTransactionBankruptcySettlementObligation

aal:OtherSignificantNoncashTransactionBankruptcySettlementObligation


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.00.00.0560.00.07.00.00.00.00.0150.00.00.03.03.0250.0352610718053557
Percentage of OtherSignificantNoncashTransactionBankruptcySettlementObligation0.00.00.0100.00.00.0100.00.00.00.00.0100.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0

aal:OtherSignificantNoncashTransactionBankruptcySettlementObligation us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.00.00.0560.00.07.00.00.00.0
Percentage of OtherSignificantNoncashTransactionBankruptcySettlementObligation0.00.00.0100.00.00.0100.00.00.00.0

aal:PaymentsForRestructuringSalaryAndMedicalCosts

aal:PaymentsForRestructuringSalaryAndMedicalCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-30
Value120170195120
Percentage of PaymentsForRestructuringSalaryAndMedicalCosts100.0100.0100.0100.0

aal:PaymentsForRestructuringSalaryAndMedicalCosts us-gaap:ConsolidatedEntities

srt:Subsidiaries


Payments
Period End2021-06-302021-03-312020-12-312020-09-30
Value120170195120
Percentage of PaymentsForRestructuringSalaryAndMedicalCosts100.0100.0100.0100.0

aal:PayrollSupportProgramGrant us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

aal:PayrollSupportProgramGrant

srt:Subsidiaries, us-gaap:Mainline


Payroll
Period End2021-06-302020-09-302020-06-302019-06-30
Value1288190818030.0
Percentage of PayrollSupportProgramGrant100.0100.0100.00.0

srt:Subsidiaries, us-gaap:RegionalCarrier


Payroll
Period End2021-06-302020-09-302020-06-302019-06-30
Value1672282160.0
Percentage of PayrollSupportProgramGrant13.011.912.00.0

aal:PayrollSupportProgramGrant us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities

aal:USDepartmentOfTheTreasuryCARESActPayrollSupportProgramTwo


Payroll
Period End2021-06-30
Value314
Percentage of PayrollSupportProgramGrant24.4

aal:PayrollSupportProgramGrant us-gaap:ProductOrService

us-gaap:Mainline


Payroll
Period End2021-06-302020-09-302020-06-302019-06-30
Value1288190818030.0
Percentage of PayrollSupportProgramGrant100.0100.0100.00.0

us-gaap:RegionalCarrier


Payroll
Period End2021-06-302020-09-302020-06-302019-06-30
Value1672282160.0
Percentage of PayrollSupportProgramGrant13.011.912.00.0

aal:PayrollSupportProgramTwoGrant us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

aal:PayrollSupportProgramTwoGrant

srt:Subsidiaries, us-gaap:Mainline


Payroll
Period End2021-03-31
Value1882
Percentage of PayrollSupportProgramTwoGrant100.0

srt:Subsidiaries, us-gaap:RegionalCarrier


Payroll
Period End2021-03-31
Value244
Percentage of PayrollSupportProgramTwoGrant13.0

aal:PayrollSupportProgramTwoGrant us-gaap:ProductOrService

us-gaap:Mainline


Payroll
Period End2021-03-31
Value1882
Percentage of PayrollSupportProgramTwoGrant100.0

us-gaap:RegionalCarrier


Payroll
Period End2021-03-31
Value244
Percentage of PayrollSupportProgramTwoGrant13.0

aal:PayrollSupportProgramWarrantsIssued

aal:PayrollSupportProgramWarrantsIssued


Payroll
Period End2020-09-30
Value8.0
Percentage of PayrollSupportProgramWarrantsIssued100.0

aal:ProceedsFromGovernmentAssistancePayrollSupportProgramCARESAct us-gaap:DebtInstrument

aal:ProceedsFromGovernmentAssistancePayrollSupportProgramCARESAct

aal:OtherPayrollSupportProgramTwoFinancialAssistanceCARESAct


Proceeds
Period End2021-01-152021-03-31
Value21002400
Percentage of ProceedsFromGovernmentAssistancePayrollSupportProgramCARESAct100.0100.0

aal:ProceedsFromGovernmentAssistancePayrollSupportProgramCARESAct us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities

aal:USDepartmentOfTheTreasuryCARESActPayrollSupportProgram


Proceeds
Period End2020-09-30
Value168
Percentage of ProceedsFromGovernmentAssistancePayrollSupportProgramCARESAct0.0

aal:USDepartmentOfTheTreasuryCARESActPayrollSupportProgramThree


Proceeds
Period End2021-06-30
Value3300
Percentage of ProceedsFromGovernmentAssistancePayrollSupportProgramCARESAct0.0

aal:USDepartmentOfTheTreasuryCARESActPayrollSupportProgramTwo


Proceeds
Period End2021-06-302021-04-302021-01-152021-03-312021-01-31
Value3100463310031003100
Percentage of ProceedsFromGovernmentAssistancePayrollSupportProgramCARESAct0.00.0129.20.0147.6

aal:ProceedsFromSaleLeasebackTransactions us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

aal:ProceedsFromSaleLeasebackTransactions

srt:Subsidiaries, aal:EquipmentLoansandOtherNotesPayableMaturing2029Through2032, us-gaap:SecuredDebt


Proceeds
Period End2021-06-302021-03-312020-12-31
Value6499273
Percentage of ProceedsFromSaleLeasebackTransactions100.0100.0100.0

aal:ProceedsFromSaleOfPropertyPlantAndEquipmentAndSaleLeaseBackTransactions

aal:ProceedsFromSaleOfPropertyPlantAndEquipmentAndSaleLeaseBackTransactions


Proceeds
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-30
Value64995796280134178359347602236221165186528
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipmentAndSaleLeaseBackTransactions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

aal:ProceedsFromSaleOfPropertyPlantAndEquipmentAndSaleLeaseBackTransactions us-gaap:ConsolidatedEntities

srt:Subsidiaries


Proceeds
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value6499579628013417835934760023619106
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipmentAndSaleLeaseBackTransactions100.0100.0100.0100.0100.0100.0100.0100.0100.099.7100.086.491.4

aal:RestructuringAndOtherExpenseIncomeMainline

aal:RestructuringAndOtherExpenseIncomeMainline


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-1288.0-1708.00.0-295.0-1494.01132148228121
Percentage of RestructuringAndOtherExpenseIncomeMainline100.0100.00.0100.0100.0100.0100.0100.0100.0

aal:RestructuringAndOtherExpenseIncomeMainline us-gaap:ConsolidatedEntities

srt:Subsidiaries


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-1288.0-1708.00.0-295.0-1494.01132148228121
Percentage of RestructuringAndOtherExpenseIncomeMainline100.0100.00.0100.0100.0100.0100.0100.0100.0

aal:RestructuringAndOtherNet

aal:RestructuringAndOtherNet


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1455.0-1923.00.0-519.0-1672.01225148234121138
Percentage of RestructuringAndOtherNet100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

aal:RestructuringAndOtherNet us-gaap:ConsolidatedEntities

srt:Subsidiaries


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1455.0-1925.00.0-523.0-1697.01225148228121138
Percentage of RestructuringAndOtherNet100.0100.10.0100.8101.5100.0100.097.4100.0100.0

aal:RestructuringAndOtherNet us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

srt:Subsidiaries, us-gaap:Mainline


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1288.0-1708.00.0-295.0-1494.01132148228121138
Percentage of RestructuringAndOtherNet88.588.80.056.889.492.4100.097.4100.0100.0

srt:Subsidiaries, us-gaap:RegionalCarrier


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-167.0-217.00.0-228.0-203.0930.00.0
Percentage of RestructuringAndOtherNet11.511.30.043.912.17.60.00.0

aal:RestructuringAndOtherNet us-gaap:ProductOrService

us-gaap:Mainline


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1288.0-1708.00.0-295.0-1494.01132148228121138
Percentage of RestructuringAndOtherNet88.588.80.056.889.492.4100.097.4100.0100.0

us-gaap:RegionalCarrier


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-167.0-215.00.0-224.0-178.0930.06.00.00.0
Percentage of RestructuringAndOtherNet11.511.20.043.210.67.60.02.60.00.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-03-312020-06-302020-03-31
Value132.013
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-03-312020-06-302020-03-31
Value132.013
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt

srt:CumulativeEffectPeriodOfAdoptionAdjustment, aal:SeniorNotes6.50Due2025, us-gaap:SeniorNotes


Adjustments
Period End2021-06-302021-03-31
Value-830.0415
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

aal:SeniorNotes6.50Due2025, us-gaap:SeniorNotes


Adjustments
Period End2020-12-312020-06-30
Value0.0415
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt0.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalWarrantIssued

us-gaap:AdjustmentsToAdditionalPaidInCapitalWarrantIssued


Adjustments
Period End2021-06-302021-03-312020-06-30
Value566555
Percentage of AdjustmentsToAdditionalPaidInCapitalWarrantIssued100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalWarrantIssued us-gaap:ClassOfWarrantOrRight

aal:PayrollSupportProgramWarrantsCARESAct


Adjustments
Period End2020-09-30
Value8.0
Percentage of AdjustmentsToAdditionalPaidInCapitalWarrantIssued0.0

aal:TreasuryLoanWarrantAgreementCARESAct


Adjustments
Period End2020-09-30
Value25
Percentage of AdjustmentsToAdditionalPaidInCapitalWarrantIssued0.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalWarrantIssued us-gaap:ClassOfWarrantOrRight, us-gaap:StatementEquityComponents

aal:PayrollSupportProgramWarrantsCARESAct, us-gaap:AdditionalPaidInCapital


Adjustments
Period End2020-09-30
Value8.0
Percentage of AdjustmentsToAdditionalPaidInCapitalWarrantIssued0.0

aal:TreasuryLoanWarrantAgreementCARESAct, us-gaap:AdditionalPaidInCapital


Adjustments
Period End2020-09-30
Value25
Percentage of AdjustmentsToAdditionalPaidInCapitalWarrantIssued0.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalWarrantIssued us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-06-30
Value566555
Percentage of AdjustmentsToAdditionalPaidInCapitalWarrantIssued100.0100.0100.0

us-gaap:AircraftMaintenanceMaterialsAndRepairs

us-gaap:AircraftMaintenanceMaterialsAndRepairs


Aircraft
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value459376330337287629635610575561551526505469485487495492482481453419437456502494523529514485152350375383-32.0347357343301345334305304334
Percentage of AircraftMaintenanceMaterialsAndRepairs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AircraftMaintenanceMaterialsAndRepairs us-gaap:ConsolidatedEntities

srt:Subsidiaries


Aircraft
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value459376330337287629635610575561551526505469485487
Percentage of AircraftMaintenanceMaterialsAndRepairs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AircraftMaintenanceMaterialsAndRepairs us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

srt:Subsidiaries, us-gaap:RegionalCarrier


Aircraft
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.0-4.01.04.07.0145.04.02.01.03.02.02.02.0
Percentage of AircraftMaintenanceMaterialsAndRepairs0.3-1.20.30.61.12.30.90.70.40.20.60.40.40.4

us-gaap:AircraftMaintenanceMaterialsAndRepairs us-gaap:ProductOrService

us-gaap:RegionalCarrier


Aircraft
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value7072561161001081019389838980727465698182889564788875104948287
Percentage of AircraftMaintenanceMaterialsAndRepairs21.221.419.518.415.717.717.616.616.215.817.617.114.815.213.114.016.817.019.422.714.617.117.515.219.917.816.017.9

us-gaap:AircraftRental

us-gaap:AircraftRental


Aircraft
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value356351337336334334330335334327343312305304305304294295295299302306309308316317313306312320239186179164140137130143179165158160158148
Percentage of AircraftRental100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AircraftRental us-gaap:ConsolidatedEntities

srt:Subsidiaries


Aircraft
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value356351337336334334330335334327343312311309305304
Percentage of AircraftRental100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0102.0101.6100.0100.0

us-gaap:AircraftRental us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

srt:Subsidiaries, us-gaap:RegionalCarrier


Aircraft
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.02.02.03.03.06.06.08.08.07.07.07.07.07.07.07.0
Percentage of AircraftRental0.60.60.60.90.91.81.82.42.42.12.02.22.32.32.32.3

us-gaap:AircraftRental us-gaap:ProductOrService

us-gaap:RegionalCarrier


Aircraft
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value2.02.02.03.03.06.06.08.08.07.07.08.08.09.09.09.09.09.010.09.09.09.0-18.08.08.09.09.09.09.014
Percentage of AircraftRental0.60.60.60.90.91.81.82.42.42.12.02.62.63.03.03.03.13.13.43.03.02.9-5.82.62.52.82.92.92.94.4

us-gaap:AirlineCapacityPurchaseArrangements

us-gaap:AirlineCapacityPurchaseArrangements


Airline
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value63562512549148011924191919331886176318101833179316981698165416201573155615381518143214471518155714621597166816571594
Percentage of AirlineCapacityPurchaseArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AirlineCapacityPurchaseArrangements us-gaap:ConsolidatedEntities

srt:Subsidiaries


Airline
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value639624117685275618911902191319111791178918101784168217121662
Percentage of AirlineCapacityPurchaseArrangements100.699.893.893.294.498.399.199.0101.3101.698.898.799.599.1100.8100.5

us-gaap:AirlineCapacityPurchaseArrangements us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

srt:Subsidiaries, us-gaap:RegionalCarrier


Airline
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value117685275618911902191319111791178918101784168217121662
Percentage of AirlineCapacityPurchaseArrangements93.893.294.498.399.199.0101.3101.698.898.799.599.1100.8100.5

us-gaap:AirlineCapacityPurchaseArrangements us-gaap:ProductOrService

us-gaap:RegionalCarrier


Airline
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value12549148011924191919331886176318101833179316981698165416201573155615381518143214471518155714621597166816571594
Percentage of AirlineCapacityPurchaseArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDebtDiscountPremium us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:AmortizationOfDebtDiscountPremium

aal:SeniorNotes6.50Due2025, us-gaap:SeniorNotes


Amortization
Period End2020-09-30
Value14
Percentage of AmortizationOfDebtDiscountPremium100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2020-12-312020-09-302020-06-302020-03-312011-12-312009-12-31
Value0.07142381572542
Percentage of AssetImpairmentCharges0.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges us-gaap:ConsolidatedEntities

srt:Subsidiaries


Asset
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.071412815
Percentage of AssetImpairmentCharges0.0100.052.2100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

srt:Subsidiaries, aal:AirTraffic


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3628380.0100100260010010050026000.0
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0

srt:Subsidiaries, aal:LoyaltyProgram


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value565307255175151651758818852934801
Percentage of ContractWithCustomerLiabilityRevenueRecognized156.136.60.0175.0151.025.0758.0818.0170.435.90.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized us-gaap:ProductOrService

aal:AirTraffic


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3628380.0100100260010010050026000.02008002100
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

aal:LoyaltyProgram


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value565307255175151651758818852934801832832901
Percentage of ContractWithCustomerLiabilityRevenueRecognized156.136.60.0175.0151.025.0758.0818.0170.435.90.00.00.00.0

us-gaap:DebtInstrumentPeriodicPayment us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentPeriodicPayment

srt:ScenarioForecast, aal:AAdvantageTermLoanFacility, us-gaap:SeniorNotes


Debt
Period End2023-07-31
Value175
Percentage of DebtInstrumentPeriodicPayment100.0

srt:ScenarioForecast, aal:SeniorNote550Matures2026, us-gaap:SeniorNotes


Debt
Period End2023-07-20
Value292
Percentage of DebtInstrumentPeriodicPayment0.0

srt:ScenarioForecast, aal:SeniorNote575Matures2029, us-gaap:SeniorNotes


Debt
Period End2026-07-20
Value250
Percentage of DebtInstrumentPeriodicPayment0.0

us-gaap:DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction

us-gaap:DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction


Debt
Period End2020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.0170.00.0
Percentage of DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction0.00.0100.00.00.0

us-gaap:DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction us-gaap:ConsolidatedEntities

srt:Subsidiaries


Debt
Period End2020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.0170.00.0
Percentage of DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction0.00.0100.00.00.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

srt:Subsidiaries, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6.06.07.05.05.06.07.08.08.08.06.05.05.05.06.06.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-52.0-52.0-41.0-41.0-41.0-41.0-37.0-37.0-38.0-38.0-33.0-35.0-36.0-36.0-36.0-36.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses-866.7-866.7-585.7-820.0-820.0-683.3-528.6-462.5-475.0-475.0-550.0-700.0-720.0-720.0-600.0-600.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value6.06.07.05.05.06.07.08.08.08.06.05.05.05.06.06.06.06.05.04.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-52.0-53.0-40.0-41.0-41.0-41.0-37.0-37.0-38.0-38.0-33.0-36.0-36.0-36.0-36.0-36.0-36.0-36.0-31.0-32.0-31.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses-866.7-883.3-571.4-820.0-820.0-683.3-528.6-462.5-475.0-475.0-550.0-720.0-720.0-720.0-600.0-600.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

srt:Subsidiaries, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-3.0-3.04.0-33.0-52.0-54.0-59.0-59.0-59.0-59.0-58.0-59.0-59.0-59.0-59.0-59.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7.07.08.07.07.07.07.07.07.07.07.07.07.07.07.07.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit-233.3-233.3200.0-21.2-13.5-13.0-11.9-11.9-11.9-11.9-12.1-11.9-11.9-11.9-11.9-11.9

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-3.0-3.04.0-33.0-52.0-54.0-59.0-59.0-59.0-59.0-58.0-59.0-59.0-59.0-59.0-59.0-59.0-59.0-60.0-60.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value7.07.09.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.07.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit-233.3-233.3225.0-21.2-13.5-13.0-11.9-11.9-11.9-11.9-12.1-11.9-11.9-11.9-11.9-11.90.00.00.00.00.0

us-gaap:DefinedBenefitPlanContributionsByEmployer us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanContributionsByEmployer

srt:Subsidiaries, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-01-31
Value241
Percentage of DefinedBenefitPlanContributionsByEmployer100.0

us-gaap:DefinedBenefitPlanContributionsByEmployer us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-01-31
Value241
Percentage of DefinedBenefitPlanContributionsByEmployer100.0

us-gaap:DefinedBenefitPlanContributionsByEmployer us-gaap:RetirementPlanType, us-gaap:SubsequentEventType

us-gaap:PensionPlansDefinedBenefit, us-gaap:SubsequentEvent


Defined
Period End2021-01-31
Value241
Percentage of DefinedBenefitPlanContributionsByEmployer100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

srt:Subsidiaries, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.03.02.03.03.04.03.04.04.04.07.06.06.06.05.05.0
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value270270251252251251202203203203226225225225197197
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets9000.09000.012550.08400.08366.76275.06733.35075.05075.05075.03228.63750.03750.03750.03940.03940.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3.03.02.03.03.04.03.04.04.04.07.06.06.06.05.05.05.05.05.05.0
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value271272253253252252204204204204227226226226198198197197188188187
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets9033.39066.712650.08433.38400.06300.06800.05100.05100.05100.03242.93766.73766.73766.73960.03960.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

srt:Subsidiaries, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8.06.08.08.08.07.07.09.08.08.09.09.09.09.010.010.0
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value130130152153153152175174175175166168168168179179
Percentage of DefinedBenefitPlanInterestCost1625.02166.71900.01912.51912.52171.42500.01933.32187.52187.51844.41866.71866.71866.71790.01790.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value8.06.08.08.08.07.07.09.08.08.09.09.09.09.010.010.010.010.01112
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value131131154154154153176175176176167169169169180180180180187187188
Percentage of DefinedBenefitPlanInterestCost1637.52183.31925.01925.01925.02185.72514.31944.42200.02200.01855.61877.81877.81877.81800.01800.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

srt:Subsidiaries, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1.01356.0379-50.0-56.0-62.0-61.0-62.0-62.0-60.0-60.0-60.0-60.0-59.0-59.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-80.0-80.0-42.0-50.0-45.0-50.017161818-20.0-14.0-13.0-13.02725
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost8000.0-59.3-700.0-13.290.089.3-27.4-26.2-29.0-29.033.323.321.721.7-45.8-42.4

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-1.01356.0379-50.0-56.0-62.0-61.0-62.0-62.0-60.0-60.0-60.0-60.0-59.0-59.0-59.0-59.0-58.0-56.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-80.0-80.0-43.0-50.0-45.0-50.016161818-19.0-13.0-13.0-13.026262727373940
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost8000.0-59.3-716.7-13.290.089.3-25.8-26.2-29.0-29.031.721.721.721.7-44.1-44.10.00.00.00.00.0

us-gaap:DefinedBenefitPlanPlanAmendments

us-gaap:DefinedBenefitPlanPlanAmendments


Defined
Period End2020-12-31
Value-313.0
Percentage of DefinedBenefitPlanPlanAmendments100.0

us-gaap:DefinedBenefitPlanPlanAmendments us-gaap:ConsolidatedEntities

srt:Subsidiaries


Defined
Period End2020-12-31
Value-313.0
Percentage of DefinedBenefitPlanPlanAmendments100.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments

srt:Subsidiaries, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.0-139.00.0-410.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments0.0100.00.0100.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.0-139.00.0-410.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments0.0100.00.0100.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1

srt:Subsidiaries, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312020-09-302020-06-302019-06-30
Value-8000000.00-4000000.00
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1100.00.0100.00.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312020-09-302020-06-302019-06-30
Value-8000000.00-4000000.00
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1100.00.0100.00.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:ConsolidatedEntities, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

srt:Subsidiaries, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.02.03.02.02.01.00.01.01.01.02.01.01.01.01.01.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.01.00.01.01.01.00.01.01.01.00.01.01.01.01.00.0
Percentage of DefinedBenefitPlanServiceCost33.350.00.050.050.0100.00.0100.0100.0100.00.0100.0100.0100.0100.00.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3.02.03.02.02.01.00.01.01.01.02.01.01.01.01.01.01.01.01.01.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1.01.0-1.01.01.01.00.01.01.01.01.01.01.01.00.01.01.01.00.01.01.0
Percentage of DefinedBenefitPlanServiceCost33.350.0-33.350.050.0100.00.0100.0100.0100.050.0100.0100.0100.00.0100.00.00.00.00.00.0

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
Value481478483498499560513499489480457473463445447433418405397399374355351336340336335334319307114245248246623256261260271273266276285274267267
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:ConsolidatedEntities

srt:Subsidiaries


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value481478483498499560513499489480457473457440447433
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.098.798.9100.0100.0

us-gaap:DepreciationAndAmortization us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

srt:Subsidiaries, us-gaap:RegionalCarrier


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value64686666717076727168676567686866
Percentage of DepreciationAndAmortization13.314.213.713.314.212.514.814.414.514.214.713.714.515.315.215.2

us-gaap:DepreciationAndAmortization us-gaap:ProductOrService

us-gaap:RegionalCarrier


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value778178798483908483797776828280797879837872686262615861525053
Percentage of DepreciationAndAmortization16.016.916.115.916.814.817.516.817.016.516.816.117.718.417.918.218.719.520.919.519.319.217.718.517.917.318.215.615.717.3

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss


Equity
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-37.04924210.0-180.042-45.0-61.069-22.0
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss us-gaap:ConsolidatedEntities

srt:Subsidiaries


Equity
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-37.04924210.0-180.042-45.0-61.069-22.0
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:FuelCosts

us-gaap:FuelCosts


Fuel
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1611103451645321713951816198919951726195322342103176316471570151014021335139313141029131415931774154422222829283027111280222021392200216221802209216520052255220218421656161316551476
Percentage of FuelCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FuelCosts us-gaap:ConsolidatedEntities

srt:Subsidiaries


Fuel
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1611103451645321713951816198919951726195322342103176316471570
Percentage of FuelCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FuelCosts us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

srt:Subsidiaries, us-gaap:RegionalCarrier


Fuel
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value18315892389474485487423474506465398383352
Percentage of FuelCosts35.534.942.427.926.124.424.424.524.322.622.122.623.322.4

us-gaap:FuelCosts us-gaap:ProductOrService

us-gaap:RegionalCarrier


Fuel
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value18315892389474485487423474506465398383352329318308303279219260310349311436538535500
Percentage of FuelCosts35.534.942.427.926.124.424.424.524.322.622.122.623.322.421.822.723.121.821.221.319.819.519.720.119.619.018.918.4

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value120.00.00.0580.4860.5791.478-0.0320.9811.0852.301-0.1041.8532.1473.895-0.0023.0953.045.243-0.4611818200.9931614138.09.00.00.00.00.00.00.00.00.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


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
Value5.04.05.05.010.0212434353334293025242524211816161310.010.010.010.09.07.08.07.06.05.05.04.06.07.07.06.06.06.07.07.07.08.06.05.0
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest us-gaap:ConsolidatedEntities

srt:Subsidiaries


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9.09.0697292104126131132127908582735756
Percentage of InvestmentIncomeInterest180.0225.01380.01440.0920.0495.2525.0385.3377.1384.8264.7293.1273.3292.0237.5224.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2862273025762705253831403100321932003090301131293093301729922995300328252796277226702652238324042364237324213721632119980154614501484155517831778178217911776176417221698173217141703
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense us-gaap:ConsolidatedEntities

srt:Subsidiaries


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2860272925752704253831383097321731983089300931273091301430223027
Percentage of LaborAndRelatedExpense99.9100.0100.0100.0100.099.999.999.999.9100.099.999.999.999.9101.0101.1

us-gaap:LaborAndRelatedExpense us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

srt:Subsidiaries, us-gaap:RegionalCarrier


Labor
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value61597184847685808486878211085
Percentage of LaborAndRelatedExpense2.42.22.82.72.72.42.72.62.82.72.82.73.72.8

us-gaap:LaborAndRelatedExpense us-gaap:ProductOrService

us-gaap:RegionalCarrier


Labor
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value373379368471471461439409416403389383378369360345343337330326306296293292228283288265
Percentage of LaborAndRelatedExpense14.514.014.515.015.214.313.713.213.812.912.612.712.612.312.012.212.312.212.412.312.812.312.412.3950.013.213.312.5

us-gaap:LandingFeesAndOtherRentals

us-gaap:LandingFeesAndOtherRentals


Landing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value686570387367315468487530535503452497490462443471452440430463458422441432451408430431441424124338343346314329333328362363355352359355
Percentage of LandingFeesAndOtherRentals100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LandingFeesAndOtherRentals us-gaap:ConsolidatedEntities

srt:Subsidiaries


Landing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value686570387367315468487530535503452497495467443471
Percentage of LandingFeesAndOtherRentals100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0101.0101.1100.0100.0

us-gaap:LandingFeesAndOtherRentals us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

srt:Subsidiaries, us-gaap:RegionalCarrier


Landing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value12110698144149159154160147148147141153152
Percentage of LandingFeesAndOtherRentals31.328.931.130.830.630.028.831.832.529.830.030.534.532.3

us-gaap:LandingFeesAndOtherRentals us-gaap:ProductOrService

us-gaap:RegionalCarrier


Landing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value12711210415215616716216715515515314715915915615215114314212812212612210610810910596
Percentage of LandingFeesAndOtherRentals32.830.533.032.532.031.530.333.234.331.231.231.835.933.834.534.535.130.931.030.327.729.227.126.025.125.323.822.6

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

srt:Subsidiaries, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.035-863.0-28.00.0-152.0-470.0-1.00.00.0
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent0.0100.0100.0100.00.0100.0100.0100.00.00.0

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-312017-12-312016-12-312016-09-302016-06-302016-03-31
Value0.035-865.0-28.00.0-152.0-475.0-1.00.00.00.0-29.0-455.0-2.00.0-5.0
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent0.0100.0100.2100.00.0100.0101.1100.00.00.00.00.00.00.00.00.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-312017-12-31
Value0.027-670.0-20.021-140.0-368.0-1.00.03.0-2.0-15.0
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent0.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.027-668.0-20.021-140.0-364.0-1.00.03.0
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent0.0100.099.7100.0100.0100.098.9100.00.0100.0

us-gaap:OperatingLeaseImpairmentLoss

us-gaap:OperatingLeaseImpairmentLoss


Operating
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.0333.073
Percentage of OperatingLeaseImpairmentLoss0.0100.0100.0100.0

us-gaap:OperatingLeaseImpairmentLoss us-gaap:ConsolidatedEntities

srt:Subsidiaries


Operating
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.0333.073
Percentage of OperatingLeaseImpairmentLoss0.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2020-09-302020-06-302020-03-312019-12-31
Value1.021-23.00.0
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2020-09-302020-06-302020-03-312019-12-31
Value1.021-23.00.0
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent


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-39.0-67.0627144.012638519181668171716
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent us-gaap:ConsolidatedEntities

srt:Subsidiaries


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-39.0-66.0625154.012638119181666171716
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent100.098.599.7107.1100.0100.099.0100.0100.0100.097.1100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-312016-12-312016-09-302016-06-302016-03-31
Value08000000.0-195000000.0-7000000.07000000.0-41000000.0-108000000.0001000000.00-166000000.0000
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax0.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value08000000.0-195000000.0-7000000.07000000.0-41000000.0-107000000.0001000000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax0.0100.0100.0100.0100.0100.099.10.00.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

srt:Subsidiaries, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5085-809.0-19.0-5.0-164.0-492.0-24.0-22.0-22.0-85.0
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-09-302014-06-302014-03-31
Value5086-811.0-18.0-5.0-164.0-497.0-24.0-22.0-22.0-86.0-21.0-22.0-21.0-22.0-22.0-482.0-27.0-25.0-30.0-38.0-59.0-45.0
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.0101.2100.294.7100.0100.0101.0100.0100.0100.0101.20.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302017-03-312014-12-312014-09-302014-06-302014-03-31
Value3967-627.0-13.017-149.0-385.0-19.0-18.0-13.0-71.0-17.0-15.0-18.0-15.0-14.0-2666.0-47.0289-103.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:ConsolidatedEntities

srt:Subsidiaries


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
Value3966-625.0-14.017-149.0-381.0-19.0-18.0-13.0-69.0-17.0-15.0-18.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.098.599.7107.7100.0100.099.0100.0100.0100.097.2100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:Subsidiaries, us-gaap:AccumulatedOtherComprehensiveIncome


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
Value3966-14.017-149.0-19.0-18.0-13.0-17.0-15.0-18.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.098.5107.7100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


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
Value3967-13.017-149.0-19.0-18.0-13.0-17.0-15.0-18.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-03-312014-12-312014-09-302014-06-302014-03-31
Value1119-184.0-4.06.0-44.0-113.0-5.0-4.0-5.0-19.0-5.0-5.0-5.0-24.0-8.0-7.0-8.0-176.0-9.0-9.0-9.00.00.00.0-330.00.0
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.0

us-gaap:OtherComprehensiveIncomeLossTax us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1119-184.0-4.06.0-44.0-112.0-5.0-4.0-5.0-20.0
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.099.1100.0100.0100.0105.3

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherCostAndExpenseOperating


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value958716565659568117712281336127112511205129613261261123112201200115411391182112710781096113111081038978103110671041586796807780728719743703725738712731695659636739
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCostAndExpenseOperating us-gaap:ConsolidatedEntities

srt:Subsidiaries


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value95871756665956811981230133712721251120512981313126112581247
Percentage of OtherCostAndExpenseOperating100.0100.1100.2100.0100.0101.8100.2100.1100.1100.0100.0100.299.0100.0102.2102.2

us-gaap:OtherCostAndExpenseOperating us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

srt:Subsidiaries, us-gaap:RegionalCarrier


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value65433910810697891008786871017472
Percentage of OtherCostAndExpenseOperating11.56.56.99.28.67.37.08.07.26.66.68.06.05.9

us-gaap:OtherCostAndExpenseOperating us-gaap:ProductOrService

us-gaap:RegionalCarrier


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1007579180167158148153144143147160131118115126114113115110142150128148192122128156
Percentage of OtherCostAndExpenseOperating17.711.413.915.313.611.811.612.212.011.011.112.710.69.79.610.910.09.610.210.213.013.311.614.319.611.812.015.0

us-gaap:OtherLaborRelatedExpenses us-gaap:ConsolidatedEntities, us-gaap:ProductOrService

us-gaap:OtherLaborRelatedExpenses

srt:Subsidiaries, us-gaap:Mainline


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.010.02180.00.0
Percentage of OtherLaborRelatedExpenses0.00.0100.0100.00.00.0

us-gaap:OtherLaborRelatedExpenses us-gaap:ProductOrService

us-gaap:Mainline


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.010.02180.00.0
Percentage of OtherLaborRelatedExpenses0.00.0100.0100.00.00.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-30
Value294241511249183321142.05.00.00.00.00.00.0
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities us-gaap:ConsolidatedEntities

srt:Subsidiaries


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value294242501349283321142.05.00.00.00.0
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0102.498.0108.3100.0155.6100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value4.0162-39.04853311128166.01120271.019278.03138-48.067201829152538610.07.0
Percentage of PaymentsOfDebtIssuanceCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts us-gaap:ConsolidatedEntities

srt:Subsidiaries


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3.0162-37.047502511287.06.01120271.019
Percentage of PaymentsOfDebtIssuanceCosts75.0100.094.997.994.380.6100.0100.043.8100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts us-gaap:DebtInstrument, us-gaap:LongtermDebtType

aal:A2021JFKBonds, us-gaap:SecuredDebt


Payments
Period End2021-06-30
Value4.0
Percentage of PaymentsOfDebtIssuanceCosts100.0

us-gaap:PaymentsOfOrdinaryDividends

us-gaap:PaymentsOfOrdinaryDividends


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.00.00.043434544464646464848485151525358617266707072
Percentage of PaymentsOfOrdinaryDividends0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireShortTermInvestments

us-gaap:PaymentsToAcquireShortTermInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value52838557-1213.0-850.0711682030667716315708221406-68.01252540264190719221163147318901715409262416193474177717426851176
Percentage of PaymentsToAcquireShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireShortTermInvestments us-gaap:ConsolidatedEntities

srt:Subsidiaries


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value52828545-1212.0-850.0711682030668816205708301406-68.01244540
Percentage of PaymentsToAcquireShortTermInvestments100.099.999.9100.0100.0100.0100.0101.699.3100.0101.0100.0100.099.4100.0

us-gaap:ProceedsFromIssuanceOfCommonStock us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:SubsequentEvent, aal:AtTheMarketOffering


Proceeds
Period End2021-01-28
Value869
Percentage of ProceedsFromIssuanceOfCommonStock100.0

us-gaap:SubsequentEvent, aal:NewAtTheMarketOffering


Proceeds
Period End2021-02-16
Value320
Percentage of ProceedsFromIssuanceOfCommonStock0.0

us-gaap:ProceedsFromIssuanceOfCommonStock us-gaap:SubsidiarySaleOfStock

aal:AtTheMarketOffering


Proceeds
Period End2021-06-302021-03-31
Value144316
Percentage of ProceedsFromIssuanceOfCommonStock0.00.0

us-gaap:ProceedsFromIssuanceOrSaleOfEquity

us-gaap:ProceedsFromIssuanceOrSaleOfEquity


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-30
Value14431614430.0
Percentage of ProceedsFromIssuanceOrSaleOfEquity100.0100.0100.00.0

us-gaap:ProceedsFromLinesOfCredit us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:ProceedsFromLinesOfCredit

srt:Subsidiaries, us-gaap:LineOfCredit, aal:TreasuryLoanAgreementCARESAct


Proceeds
Period End2020-12-31
Value0.0
Percentage of ProceedsFromLinesOfCredit0.0

us-gaap:ProceedsFromLinesOfCredit us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCredit, aal:TreasuryLoanAgreementCARESAct


Proceeds
Period End2020-12-31
Value0.0
Percentage of ProceedsFromLinesOfCredit0.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-03-31
Value5665-1.0-1.00.0-1.00.0-16.02.09.02.06.0125.04.08.0-57.06215190.01618-9.09.011-4.04.00.00.0-0.00.00.01.0-1.01.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value53108100103113351223127.06528264.0121.0184.09.0156.03.0
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment us-gaap:ConsolidatedEntities

srt:Subsidiaries


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value53108100103114347.023127.0
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.0100.997.158.3100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent

srt:Subsidiaries, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-50.0-50.0-54.0-9.05.0122223222224
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-50.0-51.0-54.0-10.05.01222232222242122212122222227252525
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent100.0102.0100.0111.1100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent