Consolidated Statements of Comprehensive Income (Loss) - American Airlines Group Inc. - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (1,993)	$ (8,885)	$ 1,686
Other comprehensive income (loss), net of tax:
Pension, retiree medical and other postretirement benefits	1,161	(772)	(438)
Investments	0	0	3
Total other comprehensive income (loss), net of tax	1,161	(772)	(435)
Total comprehensive income (loss)	$ (832)	$ (9,657)	$ 1,251