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Debt - Components of Long-Term Debt (Parenthetical) (Detail)
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Debt Instrument [Line Items]    
Interest rate at end of period   7.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
Secured Debt Member] | 2013 Credit Facilities [Member]    
Debt Instrument [Line Items]    
Debt instrument, maturity date 2019  
Interest rate at end of period 3.75%us-gaap_LongTermDebtPercentageBearingVariableInterestRate
/ us-gaap_DebtInstrumentAxis
= aal_CreditFacilityTwoThousandThirteenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Secured Debt Member] | 2013 Credit Facilities [Member] | American Airlines, Inc. [Member]    
Debt Instrument [Line Items]    
Debt instrument, maturity date 2019  
Interest rate at end of period 3.75%us-gaap_LongTermDebtPercentageBearingVariableInterestRate
/ us-gaap_DebtInstrumentAxis
= aal_CreditFacilityTwoThousandThirteenMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Secured Debt Member] | 2014 Credit Facilities [Member]    
Debt Instrument [Line Items]    
Debt instrument, maturity date 2021  
Interest rate at end of period 4.25%us-gaap_LongTermDebtPercentageBearingVariableInterestRate
/ us-gaap_DebtInstrumentAxis
= aal_CreditFacilityTwoThousandFourteenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Secured Debt Member] | 2014 Credit Facilities [Member] | American Airlines, Inc. [Member]    
Debt Instrument [Line Items]    
Debt instrument, maturity date 2021  
Interest rate at end of period 4.25%us-gaap_LongTermDebtPercentageBearingVariableInterestRate
/ us-gaap_DebtInstrumentAxis
= aal_CreditFacilityTwoThousandFourteenMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Secured Debt Member] | Credit Facility, Tranche B-1, Citicorp 2013 [Member]    
Debt Instrument [Line Items]    
Debt instrument, maturity date 2019  
Interest rate at end of period 3.50%us-gaap_LongTermDebtPercentageBearingVariableInterestRate
/ us-gaap_DebtInstrumentAxis
= aal_CreditFacilityTrancheBOneCiticorpTwoThousandAndThirteenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Secured Debt Member] | Credit Facility, Tranche B-2, Citicorp 2013 [Member]    
Debt Instrument [Line Items]    
Debt instrument, maturity date 2016  
Interest rate at end of period 3.00%us-gaap_LongTermDebtPercentageBearingVariableInterestRate
/ us-gaap_DebtInstrumentAxis
= aal_CreditFacilityTrancheBTwoCiticorpTwoThousandAndThirteenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Secured Debt Member] | Enhanced Equipment Trust Certificates [Member]    
Debt Instrument [Line Items]    
Fixed and variable interest rates, minimum 3.38%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_DebtInstrumentAxis
= aal_EnhancedEquipmentTrustCertificatesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Fixed and variable interest rates, maximum 9.75%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
/ us-gaap_DebtInstrumentAxis
= aal_EnhancedEquipmentTrustCertificatesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Debt instrument, maturity date range, start 2015  
Debt instrument, maturity date range, end 2027  
Secured Debt Member] | Enhanced Equipment Trust Certificates [Member] | American Airlines, Inc. [Member]    
Debt Instrument [Line Items]    
Fixed and variable interest rates, minimum 3.38%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_DebtInstrumentAxis
= aal_EnhancedEquipmentTrustCertificatesMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Fixed and variable interest rates, maximum 7.00%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
/ us-gaap_DebtInstrumentAxis
= aal_EnhancedEquipmentTrustCertificatesMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Debt instrument, maturity date range, start 2017  
Debt instrument, maturity date range, end 2027  
Secured Debt Member] | Equipment Loans and Other Notes Payable [Member]    
Debt Instrument [Line Items]    
Fixed and variable interest rates, minimum 1.50%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_DebtInstrumentAxis
= aal_EquipmentLoansAndOtherNotesPayableMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Fixed and variable interest rates, maximum 8.48%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
/ us-gaap_DebtInstrumentAxis
= aal_EquipmentLoansAndOtherNotesPayableMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Debt instrument, maturity date range, start 2015  
Debt instrument, maturity date range, end 2027  
Secured Debt Member] | Equipment Loans and Other Notes Payable [Member] | American Airlines, Inc. [Member]    
Debt Instrument [Line Items]    
Fixed and variable interest rates, minimum 1.50%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_DebtInstrumentAxis
= aal_EquipmentLoansAndOtherNotesPayableMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Fixed and variable interest rates, maximum 8.10%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
/ us-gaap_DebtInstrumentAxis
= aal_EquipmentLoansAndOtherNotesPayableMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Debt instrument, maturity date range, start 2015  
Debt instrument, maturity date range, end 2026  
Secured Debt Member] | Special Facility Revenue Bonds [Member]    
Debt Instrument [Line Items]    
Fixed and variable interest rates, minimum 5.50%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_DebtInstrumentAxis
= aal_SpecialFacilityRevenueBondsMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Fixed and variable interest rates, maximum 8.50%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
/ us-gaap_DebtInstrumentAxis
= aal_SpecialFacilityRevenueBondsMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Debt instrument, maturity date range, start 2016  
Debt instrument, maturity date range, end 2035  
Secured Debt Member] | Special Facility Revenue Bonds [Member] | American Airlines, Inc. [Member]    
Debt Instrument [Line Items]    
Fixed and variable interest rates, minimum 5.50%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_DebtInstrumentAxis
= aal_SpecialFacilityRevenueBondsMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Fixed and variable interest rates, maximum 8.50%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
/ us-gaap_DebtInstrumentAxis
= aal_SpecialFacilityRevenueBondsMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Debt instrument, maturity date range, start 2016  
Debt instrument, maturity date range, end 2035  
Secured Debt Member] | AAdvantage Loan [Member]    
Debt Instrument [Line Items]    
Interest rate at end of period 8.30%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= aal_AaadvantageLoanMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Secured Debt Member] | AAdvantage Loan [Member] | American Airlines, Inc. [Member]    
Debt Instrument [Line Items]    
Interest rate at end of period 8.30%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= aal_AaadvantageLoanMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Secured Debt Member] | Other Secured Obligations, Fixed Rate [Member]    
Debt Instrument [Line Items]    
Fixed and variable interest rates, minimum 3.60%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_DebtInstrumentAxis
= aal_OtherSecuredObligationsFixedRateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Fixed and variable interest rates, maximum 12.24%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
/ us-gaap_DebtInstrumentAxis
= aal_OtherSecuredObligationsFixedRateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Debt instrument, maturity date range, start 2015  
Debt instrument, maturity date range, end 2028  
Secured Debt Member] | Other Secured Obligations, Fixed Rate [Member] | American Airlines, Inc. [Member]    
Debt Instrument [Line Items]    
Fixed and variable interest rates, minimum 4.19%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_DebtInstrumentAxis
= aal_OtherSecuredObligationsFixedRateMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Fixed and variable interest rates, maximum 12.24%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
/ us-gaap_DebtInstrumentAxis
= aal_OtherSecuredObligationsFixedRateMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember		  
Debt instrument, maturity date range, start 2015  
Debt instrument, maturity date range, end 2028  
Unsecured Debt [Member] | Senior Notes, 5.50, Due in 2019 [Member]    
Debt Instrument [Line Items]    
Interest rate at end of period 5.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= aal_SeniorNotesFivePointFiveZeroDueInTwoThousandAndNineteenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember		  
Debt instrument, maturity date 2019  
Unsecured Debt [Member] | Senior Notes, 6.125, Due in 2018 [Member]    
Debt Instrument [Line Items]    
Interest rate at end of period 6.125%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= aal_SeniorNotesSixPointOneTwoFiveDueInTwoThousandAndEighteenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember		  
Debt instrument, maturity date 2018  
Unsecured Debt [Member] | Senior Notes, 4.625, Due in 2020 [Member]    
Debt Instrument [Line Items]    
Interest rate at end of period 4.625%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= aal_SeniorNotesFourPointSixTwoFiveDueInTwoThousandAndTwentyMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_UnsecuredDebtMember		  
Debt instrument, maturity date 2020