Consolidated Statements of Stockholders' Equity (Deficit) - American Airlines Group Inc. - USD ($) $ in Millions	Total	Public Stock Offering	At-the-market Offering	PSP1 Warrants	PSP2 and PSP3 Warrants	Treasury Loan Warrants	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Common Stock Public Stock Offering	Common Stock At-the-market Offering	Additional Paid-in Capital	Additional Paid-in Capital Public Stock Offering	Additional Paid-in Capital At-the-market Offering	Additional Paid-in Capital PSP1 Warrants	Additional Paid-in Capital PSP2 and PSP3 Warrants	Additional Paid-in Capital Treasury Loan Warrants	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Retained Earnings (Deficit)	Retained Earnings (Deficit) Cumulative Effect, Period of Adoption, Adjustment
Beginning Balance at Dec. 31, 2019	$ (118)							$ 4			$ 3,945							$ (6,331)	$ 2,264
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(8,885)																		(8,885)
Other comprehensive loss, net	(772)																	(772)
Issuance of warrants				$ 63		$ 25								$ 63		$ 25
Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes	(15)										(15)
Issuance of AAG common stock, net of offering costs		$ 1,687	$ 869						$ 1	$ 1		$ 1,686	$ 868
Equity component of convertible debt issued, net of tax and offering costs	320										320
Purchase and retirement of AAG common stock	(145)							0			(145)
Dividends declared on AAG common stock	(43)																		(43)
Settlement of single-dip unsecured claims held in Disputed Claims Reserve (DCR)	56										56
Share-based compensation expense	$ 91										91
Accounting Standards Update [Extensible List]	Accounting Standards Update 2020-06 [Member]
Ending Balance at Dec. 31, 2020	$ (6,867)						$ (301)	6			6,894						$ (320)	(7,103)	(6,664)	$ 19
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,993)																		(1,993)
Other comprehensive loss, net	1,161																	1,161
Issuance of warrants					$ 121										$ 121
Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes	(18)										(18)
Issuance of AAG common stock, net of offering costs			$ 460										$ 460
Share-based compensation expense	98										98
Settlement of single-dip unsecured claims held in DCR and retirement of 259,878 shares of AAG common stock	(1)										(1)
Ending Balance at Dec. 31, 2021	(7,340)							6			7,234							(5,942)	(8,638)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	127																		127
Other comprehensive loss, net	1,357																	1,357
Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes	(21)										(21)
Share-based compensation expense	78										78
Ending Balance at Dec. 31, 2022	$ (5,799)							$ 6			$ 7,291							$ (4,585)	$ (8,511)