Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Operating revenues:
Operating revenues	$ 7,478	$ 1,622	$ 11,486	$ 10,137
Operating expenses:
Aircraft fuel and related taxes	1,611	309	2,644	2,092
Salaries, wages and benefits	2,862	2,610	5,593	5,830
Regional expenses	635	492	1,261	1,632
Maintenance, materials and repairs	459	287	835	915
Other rent and landing fees	686	413	1,256	1,024
Aircraft rent	356	334	706	669
Selling expenses	277	57	427	442
Depreciation and amortization	481	499	959	1,059
Special items, net	(1,288)	(1,494)	(2,996)	(362)
Other	958	601	1,675	1,870
Total operating expenses	7,037	4,108	12,360	15,171
Operating income (loss)	441	(2,486)	(874)	(5,034)
Nonoperating income (expense):
Interest income	5	10	8	31
Interest expense, net	(486)	(254)	(856)	(512)
Other income (expense), net	49	71	158	(34)
Total nonoperating expense, net	(432)	(173)	(690)	(515)
Income (loss) before income taxes	9	(2,659)	(1,564)	(5,549)
Income tax benefit	(10)	(592)	(333)	(1,241)
Net income (loss)	$ 19	$ (2,067)	$ (1,231)	$ (4,308)
Earnings (loss) per common share:
Basic (in dollars per share)	$ 0.03	$ (4.82)	$ (1.92)	$ (10.08)
Diluted (in dollars per share)	$ 0.03	$ (4.82)	$ (1.92)	$ (10.08)
Weighted average shares outstanding (in thousands):
Basic (in shares)	644,123	428,807	639,366	427,260
Diluted (in shares)	656,372	428,807	639,366	427,260
Cash dividends declared per common share (in dollars per share)	$ 0	$ 0	$ 0	$ 0.10
Passenger
Operating revenues:
Operating revenues	$ 6,545	$ 1,108	$ 9,724	$ 8,788
Cargo
Operating revenues:
Operating revenues	326	130	641	277
Other
Operating revenues:
Operating revenues	607	384	1,121	1,072
American Airlines, Inc.
Operating revenues:
Operating revenues	7,478	1,622	11,485	10,136
Operating expenses:
Aircraft fuel and related taxes	1,611	309	2,644	2,092
Salaries, wages and benefits	2,860	2,610	5,590	5,827
Regional expenses	639	447	1,264	1,555
Maintenance, materials and repairs	459	287	835	915
Other rent and landing fees	686	413	1,256	1,024
Aircraft rent	356	334	706	669
Selling expenses	277	57	427	442
Depreciation and amortization	481	499	959	1,059
Special items, net	(1,288)	(1,494)	(2,996)	(362)
Other	958	601	1,676	1,891
Total operating expenses	7,039	4,063	12,361	15,112
Operating income (loss)	439	(2,441)	(876)	(4,976)
Nonoperating income (expense):
Interest income	9	92	18	196
Interest expense, net	(447)	(255)	(780)	(515)
Other income (expense), net	49	72	158	(33)
Total nonoperating expense, net	(389)	(91)	(604)	(352)
Income (loss) before income taxes	50	(2,532)	(1,480)	(5,328)
Income tax benefit	(1)	(564)	(315)	(1,191)
Net income (loss)	51	(1,968)	(1,165)	(4,137)
American Airlines, Inc. | Passenger
Operating revenues:
Operating revenues	6,545	1,108	9,724	8,788
American Airlines, Inc. | Cargo
Operating revenues:
Operating revenues	326	130	641	277
American Airlines, Inc. | Other
Operating revenues:
Operating revenues	$ 607	$ 384	$ 1,120	$ 1,071