Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Operating revenues:
Operating revenues	$ 8,969	$ 3,173	$ 20,455	$ 13,309
Operating expenses:
Aircraft fuel and related taxes	1,952	611	4,596	2,703
Salaries, wages and benefits	3,018	2,763	8,611	8,592
Regional expenses	887	529	2,148	2,161
Maintenance, materials and repairs	548	337	1,383	1,253
Other rent and landing fees	694	472	1,950	1,495
Aircraft rent	358	336	1,064	1,004
Selling expenses	318	97	745	540
Depreciation and amortization	480	498	1,439	1,557
Special items, net	(990)	(295)	(3,986)	(657)
Other	1,109	696	2,784	2,567
Total operating expenses	8,374	6,044	20,734	21,215
Operating income (loss)	595	(2,871)	(279)	(7,906)
Nonoperating income (expense):
Interest income	5	5	13	36
Interest expense, net	(476)	(340)	(1,332)	(851)
Other income, net	82	111	241	77
Total nonoperating expense, net	(389)	(224)	(1,078)	(738)
Income (loss) before income taxes	206	(3,095)	(1,357)	(8,644)
Income tax provision (benefit)	37	(696)	(296)	(1,937)
Net income (loss)	$ 169	$ (2,399)	$ (1,061)	$ (6,707)
Earnings (loss) per common share:
Basic (in dollars per share)	$ 0.26	$ (4.71)	$ (1.65)	$ (14.76)
Diluted (in dollars per share)	$ 0.25	$ (4.71)	$ (1.65)	$ (14.76)
Weighted average shares outstanding (in thousands):
Basic (in shares)	648,564	509,049	642,432	454,523
Diluted (in shares)	721,142	509,049	642,432	454,523
Cash dividends declared per common share (in dollars per share)	$ 0	$ 0	$ 0	$ 0.10
Passenger
Operating revenues:
Operating revenues	$ 7,957	$ 2,540	$ 17,682	$ 11,328
Cargo
Operating revenues:
Operating revenues	332	207	973	484
Other
Operating revenues:
Operating revenues	680	426	1,800	1,497
American Airlines, Inc.
Operating revenues:
Operating revenues	8,968	3,172	20,454	13,308
Operating expenses:
Aircraft fuel and related taxes	1,952	611	4,596	2,703
Salaries, wages and benefits	3,017	2,762	8,607	8,589
Regional expenses	789	467	2,053	2,022
Maintenance, materials and repairs	548	337	1,383	1,253
Other rent and landing fees	694	472	1,950	1,495
Aircraft rent	358	336	1,064	1,004
Selling expenses	318	97	745	540
Depreciation and amortization	480	498	1,439	1,557
Special items, net	(990)	(295)	(3,986)	(657)
Other	1,109	696	2,785	2,588
Total operating expenses	8,275	5,981	20,636	21,094
Operating income (loss)	693	(2,809)	(182)	(7,786)
Nonoperating income (expense):
Interest income	8	72	26	268
Interest expense, net	(435)	(310)	(1,214)	(825)
Other income, net	82	111	239	78
Total nonoperating expense, net	(345)	(127)	(949)	(479)
Income (loss) before income taxes	348	(2,936)	(1,131)	(8,265)
Income tax provision (benefit)	68	(660)	(247)	(1,852)
Net income (loss)	280	(2,276)	(884)	(6,413)
American Airlines, Inc. | Passenger
Operating revenues:
Operating revenues	7,957	2,540	17,682	11,328
American Airlines, Inc. | Cargo
Operating revenues:
Operating revenues	332	207	973	484
American Airlines, Inc. | Other
Operating revenues:
Operating revenues	$ 679	$ 425	$ 1,799	$ 1,496