Regional Expenses (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Regional Expenses [Line Items]
Aircraft fuel and related taxes	$ 1,314	$ 1,774	$ 2,343	$ 3,318
Salaries, wages and benefits	2,670	2,364	5,322	4,737
Maintenance, materials and repairs	453	502	871	995
Other rent and landing fees	458	451	879	859
Aircraft rent	302	316	609	633
Selling expenses	334	350	642	686
Depreciation and amortization	374	340	729	676
Special items, net	62	144	161	447
Other	1,127	1,108	2,205	2,147
Total regional expenses	1,518	1,557	2,950	3,019
American Airlines, Inc. [Member]
Regional Expenses [Line Items]
Aircraft fuel and related taxes	1,314	1,774	2,343	3,318
Salaries, wages and benefits	2,668	2,361	5,318	4,732
Maintenance, materials and repairs	453	502	871	995
Other rent and landing fees	458	451	879	859
Aircraft rent	302	316	609	633
Selling expenses	334	350	642	686
Depreciation and amortization	374	340	729	676
Special items, net	62	144	161	447
Other	1,128	1,110	2,208	2,148
Total regional expenses	1,600	1,580	3,107	3,074
Regional Carrier [Member]
Regional Expenses [Line Items]
Aircraft fuel and related taxes	279	349	498	660
Salaries, wages and benefits	330	293	656	585
Capacity purchases from third-party regional carriers	392	417	786	818
Maintenance, materials and repairs	88	95	183	170
Other rent and landing fees	142	129	270	243
Aircraft rent	9	8	18	17
Selling expenses	88	89	166	165
Depreciation and amortization	72	63	140	123
Special items, net	3	10	8	18
Other	115	104	225	220
Total regional expenses	1,518	1,557	2,950	3,019
Regional Carrier [Member] | American Airlines, Inc. [Member]
Regional Expenses [Line Items]
Aircraft fuel and related taxes	279	349	498	660
Salaries, wages and benefits	83	69	167	136
Capacity purchases from third-party regional carriers	889	828	1,773	1,631
Maintenance, materials and repairs	1	1	2	1
Other rent and landing fees	122	112	231	210
Aircraft rent	7	7	14	14
Selling expenses	88	89	166	166
Depreciation and amortization	58	49	112	95
Special items, net	3	5	8	9
Other	70	71	136	152
Total regional expenses	$ 1,600	$ 1,580	$ 3,107	$ 3,074