Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating revenues:
Mainline passenger	$ 29,238	$ 27,909	$ 29,037
Regional passenger	6,895	6,670	6,475
Cargo	800	700	760
Other	5,274	4,901	4,718
Total operating revenues	42,207	40,180	40,990
Operating expenses:
Aircraft fuel and related taxes	6,128	5,071	6,226
Salaries, wages and benefits	11,816	10,890	9,524
Regional expenses	6,546	6,044	5,983
Maintenance, materials and repairs	1,959	1,834	1,889
Other rent and landing fees	1,806	1,772	1,731
Aircraft rent	1,197	1,203	1,250
Selling expenses	1,477	1,323	1,394
Depreciation and amortization	1,702	1,525	1,364
Special items, net	712	709	1,051
Other	4,806	4,525	4,374
Total operating expenses	38,149	34,896	34,786
Operating income	4,058	5,284	6,204
Nonoperating income (expense):
Interest income	94	63	39
Interest expense, net	(1,053)	(991)	(880)
Other, net	(15)	(57)	(747)
Total nonoperating expense, net	(974)	(985)	(1,588)
Income before income taxes	3,084	4,299	4,616
Income tax provision (benefit)	1,165	1,623	(2,994)
Net income	$ 1,919	$ 2,676	$ 7,610
Earnings per common share:
Basic (in dollars per share)	$ 3.92	$ 4.85	$ 11.39
Diluted (in dollars per share)	$ 3.90	$ 4.81	$ 11.07
Weighted average shares outstanding (in thousands):
Basic (in shares)	489,164	552,308	668,393
Diluted (in shares)	491,692	556,099	687,355
Cash dividends declared per common share	$ 0.40	$ 0.40	$ 0.40
American Airlines, Inc. [Member]
Operating revenues:
Mainline passenger	$ 29,238	$ 27,909	$ 29,037
Regional passenger	6,895	6,670	6,475
Cargo	800	700	760
Other	5,262	4,884	4,666
Total operating revenues	42,195	40,163	40,938
Operating expenses:
Aircraft fuel and related taxes	6,128	5,071	6,226
Salaries, wages and benefits	11,804	10,881	9,514
Regional expenses	6,572	6,009	5,952
Maintenance, materials and repairs	1,959	1,834	1,889
Other rent and landing fees	1,806	1,772	1,731
Aircraft rent	1,197	1,203	1,250
Selling expenses	1,477	1,323	1,394
Depreciation and amortization	1,702	1,525	1,364
Special items, net	712	709	1,051
Other	4,806	4,532	4,378
Total operating expenses	38,163	34,859	34,749
Operating income	4,032	5,304	6,189
Nonoperating income (expense):
Interest income	215	104	49
Interest expense, net	(988)	(906)	(796)
Other, net	(15)	(59)	(774)
Total nonoperating expense, net	(788)	(861)	(1,521)
Income before income taxes	3,244	4,443	4,668
Income tax provision (benefit)	1,322	1,662	(3,452)
Net income	$ 1,922	$ 2,781	$ 8,120