Condensed Consolidated Statements of Cash Flows - American Airlines Group Inc. - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024
Statement of Cash Flows [Abstract]
Net cash provided by operating activities		$ 3,373	$ 3,585
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits		(2,149)	(1,943)
Proceeds from sale-leaseback transactions and sale of property and equipment		243	598
Sales of short-term investments		4,944	5,901
Purchases of short-term investments		(4,801)	(6,528)
Decrease (increase) in restricted short-term investments		(20)	159
Other investing activities		279	(21)
Net cash used in investing activities		(1,504)	(1,834)
Cash flows from financing activities:
Payments on long-term debt and finance leases		(4,087)	(2,698)
Proceeds from issuance of long-term debt		2,169	1,252
Other financing activities		85	(53)
Net cash used in financing activities		(1,833)	(1,499)
Net increase in cash and restricted cash		36	252
Cash and restricted cash at beginning of period		902	681
Cash and restricted cash at end of period	[1]	938	933
Non-cash transactions:
Right-of-use (ROU) assets acquired through operating leases		984	775
Property and equipment acquired through finance leases and other		137	193
Operating leases converted to finance leases		104	130
Finance leases converted to operating leases		47	33
Supplemental information:
Interest paid, net		1,324	1,512
Income taxes paid		$ 13	$ 6

[1] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets: Cash$835 $834 Restricted cash included in restricted cash and short-term investments103 99 Total cash and restricted cash$938 $933