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, 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)
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)	1,348
Other comprehensive income, net	35
Ending balance at Jun. 30, 2023	(4,385)	7	7,321	(4,550)	(7,163)
Beginning balance at Mar. 31, 2023	(5,771)	7	7,290	(4,567)	(8,501)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,338				1,338
Other comprehensive income, net	17			17
Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes	(1)		(1)
Share-based compensation expense	32		32
Ending balance at Jun. 30, 2023	(4,385)	7	7,321	(4,550)	(7,163)
Beginning balance at Dec. 31, 2023	(5,202)	7	7,374	(4,894)	(7,689)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(312)				(312)
Other comprehensive income, net	17			17
Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes	(11)		(11)
Share-based compensation expense	28		28
Modification of share-based awards	(20)		(20)
Ending balance at Mar. 31, 2024	(5,500)	7	7,371	(4,877)	(8,001)
Beginning balance at Dec. 31, 2023	(5,202)	7	7,374	(4,894)	(7,689)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	405
Other comprehensive income, net	36
Ending balance at Jun. 30, 2024	(4,746)	7	7,389	(4,858)	(7,284)
Beginning balance at Mar. 31, 2024	(5,500)	7	7,371	(4,877)	(8,001)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	717				717
Other comprehensive income, net	19			19
Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes	(3)		(3)
Share-based compensation expense	21		21
Ending balance at Jun. 30, 2024	$ (4,746)	$ 7	$ 7,389	$ (4,858)	$ (7,284)