Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating revenues:
Operating revenues	$ 10,584	$ 10,401
Operating expenses:
Aircraft fuel and related taxes	1,726	1,763
Salaries, wages and benefits	3,090	3,017
Regional expenses	1,763	1,698
Maintenance, materials and repairs	561	469
Other rent and landing fees	503	467
Aircraft rent	327	309
Selling expenses	370	356
Depreciation and amortization	480	440
Special items, net	138	225
Other	1,251	1,261
Total operating expenses	10,209	10,005
Operating income	375	396
Nonoperating income (expense):
Interest income	33	25
Interest expense, net	(271)	(262)
Other income, net	108	79
Total nonoperating expense, net	(130)	(158)
Income before income taxes	245	238
Income tax provision	60	79
Net income	$ 185	$ 159
Earnings per common share:
Basic (in dollars per share)	$ 0.41	$ 0.34
Diluted (in dollars per share)	$ 0.41	$ 0.34
Weighted average shares outstanding (in thousands):
Basic (in shares)	451,951	472,297
Diluted (in shares)	453,429	474,598
Cash dividends declared per common share (in dollars per share)	$ 0.10	$ 0.1
Passenger [Member]
Operating revenues:
Operating revenues	$ 9,658	$ 9,480
Cargo [Member]
Operating revenues:
Operating revenues	218	227
Other [Member]
Operating revenues:
Operating revenues	708	694
American Airlines, Inc. [Member]
Operating revenues:
Operating revenues	10,581	10,398
Operating expenses:
Aircraft fuel and related taxes	1,726	1,763
Salaries, wages and benefits	3,089	3,014
Regional expenses	1,791	1,682
Maintenance, materials and repairs	561	469
Other rent and landing fees	503	467
Aircraft rent	327	309
Selling expenses	370	356
Depreciation and amortization	480	440
Special items, net	138	225
Other	1,251	1,261
Total operating expenses	10,236	9,986
Operating income	345	412
Nonoperating income (expense):
Interest income	127	73
Interest expense, net	(277)	(250)
Other income, net	109	79
Total nonoperating expense, net	(41)	(98)
Income before income taxes	304	314
Income tax provision	74	105
Net income	230	209
American Airlines, Inc. [Member] | Passenger [Member]
Operating revenues:
Operating revenues	9,658	9,480
American Airlines, Inc. [Member] | Cargo [Member]
Operating revenues:
Operating revenues	218	227
American Airlines, Inc. [Member] | Other [Member]
Operating revenues:
Operating revenues	$ 705	$ 691