Financial Information for Subsidiary Guarantors and Non-guarantor Subsidiaries - Condensed Consolidating Statement of Operations (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Operating revenues:
Mainline passenger	$ 7,654	$ 8,093	$ 22,298	$ 23,564
Regional passenger	1,699	1,665	4,910	4,779
Cargo	180	215	568	643
Other	1,173	1,166	3,584	3,504
Total operating revenues	10,706	11,139	31,360	32,490
Operating expenses:
Aircraft fuel and related taxes	1,593	2,829	4,912	8,370
Salaries, wages and benefits	2,404	2,137	7,141	6,419
Regional expenses	1,518	1,668	4,536	4,919
Maintenance, materials and repairs	456	529	1,452	1,528
Other rent and landing fees	432	431	1,290	1,297
Aircraft rent	308	306	941	937
Selling expenses	366	393	1,051	1,196
Depreciation and amortization	336	334	1,013	960
Special items, net	163	221	610	335
Other	1,131	1,031	3,278	3,140
Total operating expenses	8,707	9,879	26,224	29,101
Operating income (loss)	1,999	1,260	5,136	3,389
Nonoperating income (expense):
Interest income	10	7	29	22
Interest expense, net	(219)	(210)	(651)	(667)
Other, net	(81)	(108)	(143)	(99)
Total nonoperating expense, net	(290)	(311)	(765)	(744)
Income (loss) before income taxes	1,709	949	4,371	2,645
Income tax provision	16	7	42	360
Net income (loss)	1,693	942	4,329	2,285
Eliminations and Reclassifications [Member]
Operating revenues:
Other	(652)	(928)	(2,175)	(2,467)
Total operating revenues	(652)	(928)	(2,175)	(2,467)
Operating expenses:
Salaries, wages and benefits	(191)	(191)	(577)	(578)
Regional expenses	(23)	(8)	(78)	(14)
Maintenance, materials and repairs	(78)	(93)	(239)	(258)
Other rent and landing fees	(11)	(8)	(32)	(23)
Aircraft rent	(40)	(24)	(108)	(71)
Depreciation and amortization	(11)	(11)	(33)	(35)
Special items, net			(4)	(3)
Other	(298)	(593)	(1,104)	(1,484)
Total operating expenses	(652)	(928)	(2,175)	(2,466)
Operating income (loss)				(1)
Nonoperating income (expense):
Interest income	(7)	(6)	(16)	(14)
Interest expense, net	7	6	16	14
Equity in earnings of subsidiaries	(2,175)	(1,416)	(5,489)	(3,497)
Other, net				53
Total nonoperating expense, net	(2,175)	(1,416)	(5,489)	(3,444)
Income (loss) before income taxes	(2,175)	(1,416)	(5,489)	(3,445)
Income tax provision	(271)	(7)	(650)	(9)
Net income (loss)	(1,904)	(1,409)	(4,839)	(3,436)
American Airlines Group (Parent Company Only) [Member]
Operating expenses:
Special items, net				22
Other	1		2	5
Total operating expenses	1		2	27
Operating income (loss)	(1)		(2)	(27)
Nonoperating income (expense):
Interest income	1	2	2	7
Interest expense, net	(17)		(47)	(4)
Equity in earnings of subsidiaries	1,710	940	4,354	2,309
Other, net			22
Total nonoperating expense, net	1,694	942	4,331	2,312
Income (loss) before income taxes	1,693	942	4,329	2,285
Net income (loss)	1,693	942	4,329	2,285
American Airlines, Inc. [Member]
Operating revenues:
Mainline passenger	4,927	5,321	14,565	15,579
Regional passenger	858	748	2,399	2,202
Cargo	150	175	472	521
Other	847	811	2,533	2,374
Total operating revenues	6,782	7,055	19,969	20,676
Operating expenses:
Aircraft fuel and related taxes	1,065	1,894	3,332	5,662
Salaries, wages and benefits	1,563	1,412	4,684	4,251
Regional expenses	803	790	2,318	2,352
Maintenance, materials and repairs	261	353	868	1,031
Other rent and landing fees	286	279	825	853
Aircraft rent	225	211	676	641
Selling expenses	256	278	688	844
Depreciation and amortization	245	230	728	664
Special items, net	77	164	350	127
Other	790	746	2,323	2,258
Total operating expenses	5,571	6,357	16,792	18,683
Operating income (loss)	1,211	698	3,177	1,993
Nonoperating income (expense):
Interest income	10	5	26	18
Interest expense, net	(133)	(136)	(396)	(443)
Other, net	(83)	(97)	(162)	(85)
Total nonoperating expense, net	(206)	(228)	(532)	(510)
Income (loss) before income taxes	1,005	470	2,645	1,483
Income tax provision	9	5	28	351
Net income (loss)	996	465	2,617	1,132
US Airways Group [Member]
Operating expenses:
Other				1
Total operating expenses				1
Operating income (loss)				(1)
Nonoperating income (expense):
Interest income		1	1	2
Interest expense, net	(9)	(11)	(27)	(31)
Equity in earnings of subsidiaries	465	476	1,135	1,188
Other, net				(53)
Total nonoperating expense, net	456	466	1,109	1,106
Income (loss) before income taxes	456	466	1,109	1,105
Net income (loss)	456	466	1,109	1,105
US Airways [Member]
Operating revenues:
Mainline passenger	2,727	2,772	7,733	7,985
Regional passenger	841	917	2,511	2,577
Cargo	30	40	96	122
Other	353	385	1,114	1,211
Total operating revenues	3,951	4,114	11,454	11,895
Operating expenses:
Aircraft fuel and related taxes	528	935	1,580	2,708
Salaries, wages and benefits	839	723	2,450	2,162
Regional expenses	738	886	2,296	2,581
Maintenance, materials and repairs	195	176	584	497
Other rent and landing fees	146	152	465	444
Aircraft rent	83	95	265	300
Selling expenses	110	115	363	352
Depreciation and amortization	92	105	285	301
Special items, net	86	57	260	186
Other	343	304	958	930
Total operating expenses	3,160	3,548	9,506	10,461
Operating income (loss)	791	566	1,948	1,434
Nonoperating income (expense):
Interest income	3	5	10	8
Interest expense, net	(64)	(68)	(191)	(201)
Other, net	2	(12)	(4)	(16)
Total nonoperating expense, net	(59)	(75)	(185)	(209)
Income (loss) before income taxes	732	491	1,763	1,225
Income tax provision	278	2	656	4
Net income (loss)	454	489	1,107	1,221
Non-Guarantor Subsidiaries [Member]
Operating revenues:
Other	625	898	2,112	2,386
Total operating revenues	625	898	2,112	2,386
Operating expenses:
Salaries, wages and benefits	193	193	584	584
Maintenance, materials and repairs	78	93	239	258
Other rent and landing fees	11	8	32	23
Aircraft rent	40	24	108	67
Depreciation and amortization	10	10	33	30
Special items, net			4	3
Other	295	574	1,099	1,430
Total operating expenses	627	902	2,099	2,395
Operating income (loss)	(2)	(4)	13	(9)
Nonoperating income (expense):
Interest income	3		6	1
Interest expense, net	(3)	(1)	(6)	(2)
Other, net		1	1	2
Total nonoperating expense, net			1	1
Income (loss) before income taxes	(2)	(4)	14	(8)
Income tax provision		7	8	14
Net income (loss)	$ (2)	$ (11)	$ 6	$ (22)