Condensed Consolidated Statements of Stockholder's 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 Deficit	Retained Deficit American Airlines, Inc.
Beginning 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)	(1,635)	(1,578)							(1,635)	(1,578)
Other comprehensive income, net	26	26					26	26
Share-based compensation expense	23	23			23	23
Ending balance at Mar. 31, 2022	(8,940)	2,297	6	0	7,243	17,175	(5,916)	(6,015)	(10,273)	(8,863)
Beginning 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)	10	85							10	85
Other comprehensive income, net	18	18					18	18
Share-based compensation expense	15	14			15	14
Ending balance at Mar. 31, 2023	$ (5,771)	$ 5,710	$ 7	$ 0	$ 7,290	$ 17,244	$ (4,567)	$ (4,672)	$ (8,501)	$ (6,862)