Condensed Consolidated Statements of Comprehensive Income (Loss) - American Airlines Group Inc. - USD ($) $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 483	$ 476	$ (1,635)	$ 169	$ 19	$ (1,250)	$ (676)	$ (1,061)
Other comprehensive income (loss), net of tax:
Pension, retiree medical and other postretirement benefits	29			40			85	146
Investments	(1)			0			(5)	0
Total other comprehensive income, net of tax	28	$ 26	$ 26	40	$ 39	$ 67	80	146
Total comprehensive income (loss)	$ 511			$ 209			$ (596)	$ (915)