Condensed Consolidated Statements of Cash Flows - American Airlines Group Inc. - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Statement of Cash Flows [Abstract]
Net cash provided by operating activities		$ 2,180	$ 3,333
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits		(824)	(505)
Purchases of short-term investments		(3,287)	(5,131)
Sales of short-term investments		2,585	2,666
Decrease in restricted short-term investments		12	29
Other investing activities		(2)	145
Net cash used in investing activities		(1,516)	(2,796)
Cash flows from financing activities:
Payments on long-term debt and finance leases		(873)	(2,326)
Proceeds from issuance of long-term debt		248	1,824
Other financing activities		(17)	(37)
Net cash used in financing activities		(642)	(539)
Net increase (decrease) in cash and restricted cash		22	(2)
Cash and restricted cash at beginning of period		681	586
Cash and restricted cash at end of period	[1]	703	584
Non-cash transactions:
Right-of-use (ROU) assets acquired through operating leases		320	88
Property and equipment acquired through finance leases and other		120	6
Operating leases converted to finance leases		51	0
Finance leases converted to operating leases		30	14
Supplemental information:
Interest paid, net		557	646
Income taxes paid		$ 5	$ 1

[1] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets: Cash$604 $452 Restricted cash included in restricted cash and short-term investments99 132 Total cash and restricted cash$703 $584