Condensed Consolidated Statements of Cash Flows - American Airlines Group Inc. - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022
Statement of Cash Flows [Abstract]
Net cash provided by operating activities		$ 5,154	$ 2,331
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits		(1,753)	(1,860)
Proceeds from sale-leaseback transactions and sale of property and equipment		219	83
Purchases of short-term investments		(8,323)	(12,113)
Sales of short-term investments		6,857	13,412
Decrease in restricted short-term investments		39	41
Purchase of equity investments		0	(205)
Other investing activities		300	(274)
Net cash used in investing activities		(2,661)	(916)
Cash flows from financing activities:
Payments on long-term debt and finance leases		(4,624)	(2,038)
Proceeds from issuance of long-term debt		2,324	699
Other financing activities		(92)	(8)
Net cash used in financing activities		(2,392)	(1,347)
Net increase in cash and restricted cash		101	68
Cash and restricted cash at beginning of period		586	408
Cash and restricted cash at end of period	[1]	687	476
Non-cash transactions:
Right-of-use (ROU) assets acquired through operating leases		748	840
Property and equipment acquired through debt		55	0
Property and equipment acquired through finance leases		34	121
Finance leases converted to operating leases		27	4
Operating leases converted to finance leases		0	42
Equity investments		0	12
Supplemental information:
Interest paid, net		1,711	1,478
Income taxes paid		$ 4	$ 2

[1] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets: Cash$577 $332 Restricted cash included in restricted cash and short-term investments110 144 Total cash and restricted cash$687 $476