Consolidated Statements of Stockholders' Equity (Deficit) - 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, 2018	$ (169)	$ 11,770	$ 5	$ 0	$ 4,964	$ 16,802	$ (5,896)	$ (5,992)	$ 758	$ 960
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,686	1,972							1,686	1,972
Other comprehensive loss, net	(435)	(431)					(435)	(431)
Share-based compensation expense	94	94			94	94
Intercompany equity transfer		17			7					10
Ending Balance at Dec. 31, 2019	(118)	13,422	4	0	3,945	16,903	(6,331)	(6,423)	2,264	2,942
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(8,885)	(8,450)							(8,885)	(8,450)
Other comprehensive loss, net	(772)	(771)					(772)	(771)
Share-based compensation expense	91	91			91	91
Intercompany equity transfer		56				56				0
Ending 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 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)