Condensed Consolidated Statements of Comprehensive Loss - American Airlines Group Inc. - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,635)	$ (1,250)
Other comprehensive income (loss), net of tax:
Pension, retiree medical and other postretirement benefits	28	67
Investments	(2)	0
Total other comprehensive income, net of tax	26	67
Total comprehensive loss	$ (1,609)	$ (1,183)