Transactions with Related Parties - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Related Party Transaction [Line Items]
Total operating revenues	$ 10,706,000,000	$ 11,139,000,000	$ 31,360,000,000	$ 32,490,000,000
American Airlines, Inc. [Member]
Related Party Transaction [Line Items]
Gain or loss from frequent flyer program			0
Total operating revenues	6,782,000,000	$ 7,055,000,000	19,969,000,000	$ 20,676,000,000
Net allocated expenses	389,000,000		808,000,000
American Airlines, Inc. [Member] | AAdvantage Program [Member]
Related Party Transaction [Line Items]
Total operating revenues	$ 208,000,000		$ 430,000,000