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, 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)	(1,250)	(1,215)							(1,250)	(1,215)
Other comprehensive income, net	67	66					67	66
Share-based compensation expense	38	38			38	38
Ending balance at Mar. 31, 2021	(7,945)	3,237	6	0	6,980	17,088	(7,036)	(7,128)	(7,895)	(6,723)
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)	(1,061)	(884)
Other comprehensive income, net	146	145
Ending balance at Sep. 30, 2021	(7,437)	3,688	6	0	7,221	17,129	(6,957)	(7,049)	(7,707)	(6,392)
Beginning balance at Mar. 31, 2021	(7,945)	3,237	6	0	6,980	17,088	(7,036)	(7,128)	(7,895)	(6,723)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	19	51							19	51
Other comprehensive income, net	39	39					39	39
Share-based compensation expense	20	20			20	20
Ending balance at Jun. 30, 2021	(7,667)	3,347	6	0	7,200	17,108	(6,997)	(7,089)	(7,876)	(6,672)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	169	280							169	280
Other comprehensive income, net	40	40					40	40
Share-based compensation expense	21	21			21	21
Ending balance at Sep. 30, 2021	(7,437)	3,688	6	0	7,221	17,129	(6,957)	(7,049)	(7,707)	(6,392)
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, 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)	(676)	(517)
Other comprehensive income, net	80	80
Ending balance at Sep. 30, 2022	(7,893)	3,448	6	0	7,277	17,211	(5,862)	(5,961)	(9,314)	(7,802)
Beginning balance at Mar. 31, 2022	(8,940)	2,297	6	0	7,243	17,175	(5,916)	(6,015)	(10,273)	(8,863)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	476	521							476	521
Other comprehensive income, net	26	26					26	26
Share-based compensation expense	18	18			18	18
Ending balance at Jun. 30, 2022	(8,422)	2,862	6	0	7,259	17,193	(5,890)	(5,989)	(9,797)	(8,342)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	483	540							483	540
Other comprehensive income, net	28	28					28	28
Share-based compensation expense	18	18			18	18
Ending balance at Sep. 30, 2022	$ (7,893)	$ 3,448	$ 6	$ 0	$ 7,277	$ 17,211	$ (5,862)	$ (5,961)	$ (9,314)	$ (7,802)