Debt - Components of Long-Term Debt - 2016-1 Aircraft Enhanced Equipment Trust Certificates (Detail) - Enhanced Equipment Trust Certificates (EETC) [Member] $ in Millions	1 Months Ended
	Jan. 31, 2016 USD ($) Aircraft Debt_Instruments
2016-1 EETC [Member]
Debt Instrument [Line Items]
Number of debt instruments issued | Debt_Instruments	3
Debt instrument principal amount	$ 1,100
Number of aircraft financed by debt issuance | Aircraft	22
Series 2016-1 Class AA [Member]
Debt Instrument [Line Items]
Debt instrument principal amount	$ 584
Debt instrument, stated interest rate percentage	3.575%
Series 2016-1 Class A [Member]
Debt Instrument [Line Items]
Debt instrument principal amount	$ 262
Debt instrument, stated interest rate percentage	4.10%
Series 2016-1 Class B [Member]
Debt Instrument [Line Items]
Debt instrument principal amount	$ 228
Debt instrument, stated interest rate percentage	5.25%
American Airlines, Inc. [Member] | 2016-1 EETC [Member]
Debt Instrument [Line Items]
Number of debt instruments issued | Debt_Instruments	3
Debt instrument principal amount	$ 1,100
Number of aircraft financed by debt issuance | Aircraft	22
American Airlines, Inc. [Member] | Series 2016-1 Class AA [Member]
Debt Instrument [Line Items]
Debt instrument principal amount	$ 584
Debt instrument, stated interest rate percentage	3.575%
American Airlines, Inc. [Member] | Series 2016-1 Class A [Member]
Debt Instrument [Line Items]
Debt instrument principal amount	$ 262
Debt instrument, stated interest rate percentage	4.10%
American Airlines, Inc. [Member] | Series 2016-1 Class B [Member]
Debt Instrument [Line Items]
Debt instrument principal amount	$ 228
Debt instrument, stated interest rate percentage	5.25%