Consolidated Statements of Stockholders' Deficit - American Airlines Group Inc. - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Retained Deficit
Beginning Balance at Dec. 31, 2021	$ (7,340)	$ 6	$ 7,234	$ (5,942)	$ (8,638)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	127				127
Other comprehensive income (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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	822				822
Other comprehensive income (loss), net	(309)			(309)
Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes	(22)	1	(23)
Share-based compensation expense	102		102
Settlement of single-dip unsecured claims held in Disputed Claims Reserve	4		4
Ending Balance at Dec. 31, 2023	(5,202)	7	7,374	(4,894)	(7,689)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	846				846
Other comprehensive income (loss), net	329			329
Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes	(22)		(22)
Share-based compensation expense	92		92
Modification of share-based awards	(20)		(20)
Ending Balance at Dec. 31, 2024	$ (3,977)	$ 7	$ 7,424	$ (4,565)	$ (6,843)