Debt - Components of Long-Term Debt - 2016-3 Enhanced Equipment Trust Certificates (Detail) - Enhanced Equipment Trust Certificates (EETC) [Member] - 2016-3 EETC [Member] $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($) Aircraft	Oct. 31, 2016 Aircraft
Debt Instrument [Line Items]
Debt instrument, escrowed proceeds used to purchase notes | $	$ 109
Number of aircraft financed by debt issuance | Aircraft	2	25
American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Debt instrument, escrowed proceeds used to purchase notes | $	$ 109
Number of aircraft financed by debt issuance | Aircraft	2	25