Condensed 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 (loss)	(1,635)				(1,635)
Other comprehensive income, net	26			26
Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes	(14)		(14)
Share-based compensation expense	23		23
Ending balance at Mar. 31, 2022	(8,940)	6	7,243	(5,916)	(10,273)
Beginning balance at Dec. 31, 2022	(5,799)	6	7,291	(4,585)	(8,511)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	10				10
Other comprehensive income, net	18			18
Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes	(15)	1	(16)
Share-based compensation expense	15		15
Ending balance at Mar. 31, 2023	$ (5,771)	$ 7	$ 7,290	$ (4,567)	$ (8,501)