Consolidated Statements of Stockholders' Equity - American Airlines, Inc. - USD ($) $ in Millions	Total	American Airlines, Inc.	Common Stock	Common Stock American Airlines, Inc.	Additional Paid-in Capital	Additional Paid-in Capital American Airlines, Inc.	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss American Airlines, Inc.	Retained Earnings (Deficit)	Retained Earnings (Deficit) American Airlines, Inc.
Beginning Balance at Dec. 31, 2020	$ (6,867)	$ 4,348	$ 6	$ 0	$ 6,894	$ 17,050	$ (7,103)	$ (7,194)	$ (6,664)	$ (5,508)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,993)	(1,777)							(1,993)	(1,777)
Other comprehensive income (loss), net	1,161	1,153					1,161	1,153
Share-based compensation expense	98	95			98	95
Intercompany equity transfer		7			7					0
Ending Balance at Dec. 31, 2021	(7,340)	3,826	6	0	7,234	17,152	(5,942)	(6,041)	(8,638)	(7,285)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	127	338							127	338
Other comprehensive income (loss), net	1,357	1,351					1,357	1,351
Share-based compensation expense	78	75			78	75
Intercompany equity transfer		3				3				0
Ending Balance at Dec. 31, 2022	(5,799)	5,593	6	0	7,291	17,230	(4,585)	(4,690)	(8,511)	(6,947)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	822	1,188							822	1,188
Other comprehensive income (loss), net	(309)	(309)					(309)	(309)
Share-based compensation expense	102	97			102	97
Intercompany equity transfer		8				8				0
Ending Balance at Dec. 31, 2023	$ (5,202)	$ 6,577	$ 7	$ 0	$ 7,374	$ 17,335	$ (4,894)	$ (4,999)	$ (7,689)	$ (5,759)