Supplemental Cash Flow Information - Cash Flow Information and Non-Cash Investing and Financing Activities (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Non-cash investing and financing activities:
Settlement of bankruptcy obligations	$ 63	$ 5,495	$ 864
Acquisition of US Airways Group, net			4,386
Capital lease obligations	5	747
Supplemental information:
Interest paid, net of amounts capitalized	873	814	713
Income taxes paid	20	7	12
American Airlines, Inc. [Member]
Non-cash investing and financing activities:
Settlement of bankruptcy obligations	63	5,131	833
Acquisition of US Airways Group, net			5,231
Capital lease obligations	5	747
Supplemental information:
Interest paid, net of amounts capitalized	787	780	712
Income taxes paid	$ 19	$ 4	$ 7