Consolidated Statements of Comprehensive Income - American Airlines Group Inc. - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 846	$ 822	$ 127
Other comprehensive income (loss), net of tax:
Pension, retiree medical and other postretirement benefits	327	(312)	1,360
Investments	2	3	(3)
Total other comprehensive income (loss), net of tax	329	(309)	1,357
Total comprehensive income	$ 1,175	$ 513	$ 1,484