Financial Information for Subsidiary Guarantors and Non-guarantor Subsidiaries - Condensed Consolidating Statement of Operations (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Operating revenues:
Mainline passenger	$ 6,989	$ 7,258
Regional passenger	1,452	1,407
Cargo	194	206
Other	1,192	1,124
Total operating revenues	9,827	9,995
Operating expenses:
Aircraft fuel and related taxes	1,544	2,711
Salaries, wages and benefits	2,373	2,119
Regional expenses	1,462	1,594
Maintenance, materials and repairs	494	485
Other rent and landing fees	408	424
Aircraft rent	317	320
Selling expenses	336	401
Depreciation and amortization	336	307
Special items, net	303	(137)
Other	1,038	1,041
Total operating expenses	8,611	9,265
Operating income (loss)	1,216	730
Nonoperating income (expense):
Interest income	10	7
Interest expense, net	(210)	(243)
Other, net	(73)	(1)
Total nonoperating expense, net	(273)	(237)
Income (loss) before income taxes	943	493
Income tax provision	11	13
Net income (loss)	932	480
Eliminations and Reclassifications [Member]
Operating revenues:
Other	(741)	(764)
Total operating revenues	(741)	(764)
Operating expenses:
Salaries, wages and benefits	(191)	(195)
Regional expenses	(31)	8
Maintenance, materials and repairs	(75)	(85)
Other rent and landing fees	(10)	(7)
Aircraft rent	(32)	(21)
Depreciation and amortization	(11)	(12)
Special items, net	(4)	(3)
Other	(387)	(449)
Total operating expenses	(741)	(764)
Nonoperating income (expense):
Interest income	(2)	(4)
Interest expense, net	2	4
Equity in earnings of subsidiaries	(1,195)	(571)
Other, net		56
Total nonoperating expense, net	(1,195)	(515)
Income (loss) before income taxes	(1,195)	(515)
Income tax provision	(131)
Net income (loss)	(1,064)	(515)
American Airlines Group (Parent Company Only) [Member]
Operating expenses:
Special items, net		24
Other	1	2
Total operating expenses	1	26
Operating income (loss)	(1)	(26)
Nonoperating income (expense):
Interest income	2	2
Interest expense, net	(13)	(4)
Equity in earnings of subsidiaries	944	453
Total nonoperating expense, net	933	451
Income (loss) before income taxes	932	425
Income tax provision		1
Net income (loss)	932	424
American Airlines, Inc. [Member]
Operating revenues:
Mainline passenger	4,690	4,906
Regional passenger	699	669
Cargo	162	168
Other	818	726
Total operating revenues	6,369	6,469
Operating expenses:
Aircraft fuel and related taxes	1,070	1,871
Salaries, wages and benefits	1,585	1,398
Regional expenses	728	758
Maintenance, materials and repairs	304	332
Other rent and landing fees	270	285
Aircraft rent	225	216
Selling expenses	235	284
Depreciation and amortization	236	214
Special items, net	198	(216)
Other	758	749
Total operating expenses	5,609	5,891
Operating income (loss)	760	578
Nonoperating income (expense):
Interest income	6	7
Interest expense, net	(126)	(168)
Other, net	(63)	(5)
Total nonoperating expense, net	(183)	(166)
Income (loss) before income taxes	577	412
Income tax provision	8	11
Net income (loss)	569	401
US Airways Group [Member]
Nonoperating income (expense):
Interest expense, net	(9)	(10)
Equity in earnings of subsidiaries	251	118
Other, net		(56)
Total nonoperating expense, net	242	52
Income (loss) before income taxes	242	52
Net income (loss)	242	52
US Airways [Member]
Operating revenues:
Mainline passenger	2,299	2,352
Regional passenger	753	738
Cargo	32	38
Other	389	418
Total operating revenues	3,473	3,546
Operating expenses:
Aircraft fuel and related taxes	474	840
Salaries, wages and benefits	786	719
Regional expenses	765	828
Maintenance, materials and repairs	190	153
Other rent and landing fees	138	139
Aircraft rent	92	104
Selling expenses	101	117
Depreciation and amortization	100	95
Special items, net	105	55
Other	281	308
Total operating expenses	3,032	3,358
Operating income (loss)	441	188
Nonoperating income (expense):
Interest income	4	1
Interest expense, net	(64)	(65)
Other, net	(11)	3
Total nonoperating expense, net	(71)	(61)
Income (loss) before income taxes	370	127
Income tax provision	131	1
Net income (loss)	239	126
Non-Guarantor Subsidiaries [Member]
Operating revenues:
Other	726	744
Total operating revenues	726	744
Operating expenses:
Salaries, wages and benefits	193	197
Maintenance, materials and repairs	75	85
Other rent and landing fees	10	7
Aircraft rent	32	21
Depreciation and amortization	11	10
Special items, net	4	3
Other	385	431
Total operating expenses	710	754
Operating income (loss)	16	(10)
Nonoperating income (expense):
Interest income		1
Other, net	1	1
Total nonoperating expense, net	1	2
Income (loss) before income taxes	17	(8)
Income tax provision	3
Net income (loss)	$ 14	$ (8)