Condensed Consolidated Statements of Comprehensive Income - American Airlines Group Inc. - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 599	$ (473)	$ 717	$ (312)	$ 126	$ 405
Other comprehensive income (loss), net of tax:
Pension, retiree medical and other postretirement benefits	17		19		35	37
Investments	0		0		0	(1)
Total other comprehensive income, net of tax	17	$ 18	19	$ 17	35	36
Total comprehensive income	$ 616		$ 736		$ 161	$ 441