Condensed Consolidated Statements of Comprehensive Income (Loss) - American Airlines Group Inc. - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (312)	$ 10
Other comprehensive income (loss), net of tax:
Pension, retiree medical and other postretirement benefits	19	17
Investments	(2)	1
Total other comprehensive income, net of tax	17	18
Total comprehensive income (loss)	$ (295)	$ 28