Condensed Consolidated Statements of Cash Flows - American Airlines Group Inc. - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Statement of Cash Flows [Abstract]
Net cash provided by operating activities		$ 1,185	$ 174
Cash flows from investing activities:
Capital expenditures, net of aircraft purchase deposit returns		(807)	19
Airport construction projects, net of reimbursements		(62)	(42)
Proceeds from sale of property and equipment		8	108
Proceeds from sale-leaseback transactions		0	99
Sales of short-term investments		7,089	1,415
Purchases of short-term investments		(7,035)	(8,557)
Decrease (increase) in restricted short-term investments		36	(194)
Net cash used in investing activities		(771)	(7,152)
Cash flows from financing activities:
Payments on long-term debt and finance leases		(661)	(4,054)
Proceeds from issuance of long-term debt		367	10,861
Shares withheld for taxes pursuant to employee stock plans		(14)	(13)
Proceeds from issuance of equity		0	316
Deferred financing costs		0	(162)
Other financing activities		(2)	65
Net cash provided by (used in) financing activities		(310)	7,013
Net increase in cash and restricted cash		104	35
Cash and restricted cash at beginning of period		408	399
Cash and restricted cash at end of period	[1]	512	434
Non-cash transactions:
Right-of-use (ROU) assets acquired through operating leases		313	359
Property and equipment acquired through finance leases		58	22
Supplemental information:
Interest paid, net		$ 566	$ 479

[1] The following table provides a reconciliation of cash and restricted cash to amounts reported within the condensed consolidated balance sheets: Cash$376 $277 Restricted cash included in restricted cash and short-term investments136 157 Total cash and restricted cash$512 $434