Supplemental Cash Flow Information - Cash Flow Information and Non-Cash Investing and Financing Activities (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Non-cash investing and financing activities:
Settlement of bankruptcy obligations	$ 3	$ 63	$ 5,495
Capital lease obligations		5	747
Supplemental information:
Interest paid, net of amounts capitalized	964	873	814
Income taxes paid	16	20	7
American Airlines, Inc. [Member]
Non-cash investing and financing activities:
Settlement of bankruptcy obligations	3	63	5,131
Capital lease obligations		5	747
Supplemental information:
Interest paid, net of amounts capitalized	867	787	780
Income taxes paid	$ 14	$ 19	$ 4