Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Operating revenues:
Operating revenues	$ 11,960	$ 11,643	$ 22,544	$ 22,044
Operating expenses:
Aircraft fuel and related taxes	1,995	2,103	3,722	3,866
Salaries, wages and benefits	3,200	3,095	6,290	6,111
Regional expenses	1,886	1,793	3,648	3,490
Maintenance, materials and repairs	575	505	1,136	973
Other rent and landing fees	535	495	1,039	962
Aircraft rent	334	311	661	621
Selling expenses	401	385	771	742
Depreciation and amortization	489	457	969	898
Special items, net	121	182	259	407
Other	1,271	1,313	2,521	2,574
Total operating expenses	10,807	10,639	21,016	20,644
Operating income	1,153	1,004	1,528	1,400
Nonoperating income (expense):
Interest income	35	30	68	55
Interest expense, net	(275)	(263)	(546)	(525)
Other income (expense), net	(31)	(15)	78	64
Total nonoperating expense, net	(271)	(248)	(400)	(406)
Income before income taxes	882	756	1,128	994
Income tax provision	220	200	281	278
Net income	$ 662	$ 556	$ 847	$ 716
Earnings per common share:
Basic (in dollars per share)	$ 1.49	$ 1.20	$ 1.89	$ 1.53
Diluted (in dollars per share)	$ 1.49	$ 1.20	$ 1.88	$ 1.52
Weighted average shares outstanding (in thousands):
Basic (in shares)	445,008	463,533	448,479	467,915
Diluted (in shares)	445,587	464,618	449,508	469,608
Cash dividends declared per common share (in dollars per share)	$ 0.10	$ 0.10	$ 0.20	$ 0.20
Passenger [Member]
Operating revenues:
Operating revenues	$ 11,011	$ 10,674	$ 20,669	$ 20,154
Cargo [Member]
Operating revenues:
Operating revenues	221	261	439	488
Other [Member]
Operating revenues:
Operating revenues	728	708	1,436	1,402
American Airlines, Inc. [Member]
Operating revenues:
Operating revenues	11,958	11,640	22,539	22,038
Operating expenses:
Aircraft fuel and related taxes	1,995	2,103	3,722	3,866
Salaries, wages and benefits	3,198	3,091	6,286	6,105
Regional expenses	1,911	1,784	3,702	3,465
Maintenance, materials and repairs	575	505	1,136	973
Other rent and landing fees	535	495	1,039	962
Aircraft rent	334	311	661	621
Selling expenses	401	385	771	742
Depreciation and amortization	489	457	969	898
Special items, net	121	182	259	407
Other	1,272	1,313	2,522	2,574
Total operating expenses	10,831	10,626	21,067	20,613
Operating income	1,127	1,014	1,472	1,425
Nonoperating income (expense):
Interest income	132	82	258	155
Interest expense, net	(277)	(254)	(554)	(505)
Other income (expense), net	(31)	(15)	79	65
Total nonoperating expense, net	(176)	(187)	(217)	(285)
Income before income taxes	951	827	1,255	1,140
Income tax provision	237	218	311	322
Net income	714	609	944	818
American Airlines, Inc. [Member] | Passenger [Member]
Operating revenues:
Operating revenues	11,011	10,674	20,669	20,154
American Airlines, Inc. [Member] | Cargo [Member]
Operating revenues:
Operating revenues	221	261	439	488
American Airlines, Inc. [Member] | Other [Member]
Operating revenues:
Operating revenues	$ 726	$ 705	$ 1,431	$ 1,396