Condensed Consolidated Statements of Cash Flows - American Airlines Group Inc. - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Statement of Cash Flows [Abstract]
Net cash provided by operating activities		$ 2,456	$ 2,180
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits		(824)	(824)
Purchases of short-term investments		(1,806)	(3,287)
Sales of short-term investments		1,349	2,585
Decrease in restricted short-term investments		85	12
Other investing activities		(8)	(2)
Net cash used in investing activities		(1,204)	(1,516)
Cash flows from financing activities:
Payments on long-term debt and finance leases		(1,362)	(873)
Proceeds from issuance of long-term debt		325	248
Other financing activities		(186)	(17)
Net cash used in financing activities		(1,223)	(642)
Net increase in cash and restricted cash		29	22
Cash and restricted cash at beginning of period		902	681
Cash and restricted cash at end of period	[1]	931	703
Non-cash transactions:
Right-of-use (ROU) assets acquired through operating leases		350	320
Property and equipment acquired through finance leases and other		73	120
Finance leases converted to operating leases		45	30
Operating leases converted to finance leases		0	51
Supplemental information:
Interest paid, net		524	557
Income taxes paid		$ 4	$ 5

[1] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets: Cash$835 $604 Restricted cash included in restricted cash and short-term investments96 99 Total cash and restricted cash$931 $703