Condensed Consolidated Statements of Comprehensive Income - American Airlines Group Inc. - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 717	$ (312)	$ 1,338	$ 10	$ 405	$ 1,348
Other comprehensive income (loss), net of tax:
Pension, retiree medical and other postretirement benefits	19		17		37	34
Investments	0		0		(1)	1
Total other comprehensive income, net of tax	19	$ 17	17	$ 18	36	35
Total comprehensive income	$ 736		$ 1,355		$ 441	$ 1,383