Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net income	$ 186	$ 340
Other comprehensive loss, net of tax:
Pension, retiree medical and other postretirement benefits	(16)	(14)
Investments	(2)	0
Total other comprehensive loss, net of tax	(18)	(14)
Total comprehensive income	168	326
American Airlines, Inc. [Member]
Net income	236	369
Other comprehensive loss, net of tax:
Pension, retiree medical and other postretirement benefits	(16)	(14)
Investments	(2)	0
Total other comprehensive loss, net of tax	(18)	(14)
Total comprehensive income	$ 218	$ 355