Quarterly Financial Data - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Operating and nonoperating special charges, net	$ 273	$ (2,000)
Integration related costs	121		$ 514	$ 826	$ 732
Fair value adjustments for bankruptcy settlement obligations	(47)		(25)	53	(81)
Fleet restructuring expenses	104		177	210	88
Non-cash tax benefits		3,000
Operating special items, net		450	709	1,051	800
Nonoperating special items, net			49	594	132
Venezuelan [Member]
Restructuring Cost and Reserve [Line Items]
Nonoperating special items, net		592		592
American Airlines, Inc. [Member]
Restructuring Cost and Reserve [Line Items]
Operating and nonoperating special charges, net	273	(2,500)
Integration related costs	121		514	826	732
Fair value adjustments for bankruptcy settlement obligations	(47)		(25)	53	(60)
Fleet restructuring expenses	$ 104		177	210	88
Non-cash tax benefits		3,500
Operating special items, net		447	709	1,051	783
Nonoperating special items, net			$ 49	616	$ 128
American Airlines, Inc. [Member] | Venezuelan [Member]
Restructuring Cost and Reserve [Line Items]
Nonoperating special items, net		$ 592		$ 592