Debt - Components of Long-Term Debt (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2015	Aug. 31, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Dec. 31, 2013
Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage						10.50%
American Airlines, Inc. [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage						10.50%
2013 Credit Facilities [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	2020
Interest rate at end of period	3.25%
2013 Credit Facilities [Member] | American Airlines, Inc. [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	2020
Interest rate at end of period	3.25%
2014 Credit Facilities [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	2021
Interest rate at end of period	3.50%
2014 Credit Facilities [Member] | American Airlines, Inc. [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	2021
Interest rate at end of period	3.50%
Credit Facility, Tranche B-1, Citicorp 2013 [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	2019
Interest rate at end of period	3.50%
Credit Facility, Tranche B-1, Citicorp 2013 [Member] | American Airlines, Inc. [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	2019
Interest rate at end of period	3.50%
Credit Facility, Tranche B-2, Citicorp 2013 [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	2016
Interest rate at end of period	3.00%
Credit Facility, Tranche B-2, Citicorp 2013 [Member] | American Airlines, Inc. [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	2016
Interest rate at end of period	3.00%
Enhanced Equipment Trust Certificates (EETC) [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Fixed and variable interest rates, minimum	3.38%
Fixed and variable interest rates, maximum	9.75%
Debt instrument, maturity date range, start	2017
Debt instrument, maturity date range, end	2027
Enhanced Equipment Trust Certificates (EETC) [Member] | American Airlines, Inc. [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Fixed and variable interest rates, minimum	3.38%
Fixed and variable interest rates, maximum	9.75%
Debt instrument, maturity date range, start	2017
Debt instrument, maturity date range, end	2027
Equipment Loans and Other Notes Payable [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Fixed and variable interest rates, minimum	1.63%
Fixed and variable interest rates, maximum	8.48%
Debt instrument, maturity date range, start	2016
Debt instrument, maturity date range, end	2027
Equipment Loans and Other Notes Payable [Member] | American Airlines, Inc. [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Fixed and variable interest rates, minimum	1.63%
Fixed and variable interest rates, maximum	8.48%
Debt instrument, maturity date range, start	2016
Debt instrument, maturity date range, end	2017
Special Facility Revenue Bonds [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage		2.00%	8.50%
Fixed and variable interest rates, minimum	2.00%
Fixed and variable interest rates, maximum	8.00%
Debt instrument, maturity date range, start	2016
Debt instrument, maturity date range, end	2027
Special Facility Revenue Bonds [Member] | American Airlines, Inc. [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage		2.00%	8.50%
Fixed and variable interest rates, minimum	2.00%
Fixed and variable interest rates, maximum	8.00%
Debt instrument, maturity date range, start	2016
Debt instrument, maturity date range, end	2035
Other Secured Obligations, Fixed Rate [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Fixed and variable interest rates, minimum	3.60%
Fixed and variable interest rates, maximum	12.24%
Debt instrument, maturity date range, start	2016
Debt instrument, maturity date range, end	2028
Other Secured Obligations, Fixed Rate [Member] | American Airlines, Inc. [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Fixed and variable interest rates, minimum	3.60%
Fixed and variable interest rates, maximum	12.24%
Debt instrument, maturity date range, start	2016
Debt instrument, maturity date range, end	2028
Senior Notes, 5.50, Due in 2019 [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage	5.50%
Senior Notes, 5.50, Due in 2019 [Member] | Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage	5.50%				5.50%
Debt instrument, maturity date	2019
Senior Notes, 5.50, Due in 2019 [Member] | American Airlines, Inc. [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage	5.50%
Senior Notes, 6.125, Due in 2018 [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage	6.125%
Senior Notes, 6.125, Due in 2018 [Member] | Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage	6.125%
Debt instrument, maturity date	2018
Senior Notes, 6.125, Due in 2018 [Member] | American Airlines, Inc. [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage	6.125%
Senior Notes, 4.625, Due in 2020 [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage	4.625%
Senior Notes, 4.625, Due in 2020 [Member] | Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage	4.625%			4.625%
Debt instrument, maturity date	2020
Senior Notes, 4.625, Due in 2020 [Member] | American Airlines, Inc. [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage	4.625%