Financial Information for Subsidiary Guarantors and Non-guarantor Subsidiaries - Condensed Consolidating Balance Sheet (Detail) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Current assets
Cash	$ 952	$ 994	$ 1,210	$ 1,140
Short-term investments	7,967	6,309
Restricted cash and short-term investments	747	774
Accounts receivable, net	1,892	1,771
Aircraft fuel, spare parts and supplies, net	1,069	1,004
Prepaid expenses and other	1,482	1,260
Total current assets	14,109	12,112
Operating property and equipment	25,288	23,084
Other assets
Goodwill	4,091	4,091
Intangibles, net of accumulated amortization	2,274	2,240
Other assets	2,106	2,244
Total other assets	8,471	8,575
Total assets	47,868	43,771
Current liabilities
Current maturities of long-term debt and capital leases	1,642	1,708
Accounts payable	1,683	1,377
Air traffic liability	5,664	4,252
Frequent flyer liability	2,745	2,807
Other accrued liabilities	3,311	3,291
Total current liabilities	15,045	13,435
Noncurrent liabilities
Long-term debt and capital leases, net of current maturities	17,152	16,196
Pension and postretirement benefits	7,477	7,562
Bankruptcy settlement obligations	208	325
Other liabilities	4,350	4,232
Total noncurrent liabilities	29,187	28,315
Stockholders' equity (deficit)
Common stock	7	7
Additional paid-in capital	14,319	15,135
Accumulated other comprehensive loss	(4,620)	(4,559)
Retained earnings (deficit)	(6,070)	(8,562)
Total stockholders' equity (deficit)	3,636	2,021
Total liabilities and stockholders' equity (deficit)	47,868	43,771
Eliminations and Reclassifications [Member]
Current assets
Accounts receivable, net	(13)	(13)
Receivables from related parties, net	(2,503)	(3,509)
Prepaid expenses and other		(155)
Total current assets	(2,516)	(3,677)
Other assets
Investments in subsidiaries	(10,953)	(7,717)
Goodwill		1
Other assets	(35)	(35)
Total other assets	(10,988)	(7,751)
Total assets	(13,504)	(11,428)
Current liabilities
Accounts payable	(8)
Payables to related parties, net	(2,503)	(3,509)
Other accrued liabilities	5	(3)
Total current liabilities	(2,506)	(3,512)
Noncurrent liabilities
Long-term debt and capital leases, net of current maturities	(35)	(35)
Other liabilities	(543)	(562)
Total noncurrent liabilities	(578)	(597)
Stockholders' equity (deficit)
Additional paid-in capital	(21,303)	(21,076)
Accumulated other comprehensive loss	4,743	4,681
Retained earnings (deficit)	6,140	9,076
Total stockholders' equity (deficit)	(10,420)	(7,319)
Total liabilities and stockholders' equity (deficit)	(13,504)	(11,428)
American Airlines Group (Parent Company Only) [Member]
Current assets
Cash	1	1	1	1
Receivables from related parties, net	1,623	1,893
Prepaid expenses and other	100
Total current assets	1,724	1,894
Other assets
Investments in subsidiaries	3,363	847
Other assets	28	53
Total other assets	3,391	900
Total assets	5,115	2,794
Current liabilities
Other accrued liabilities	92	14
Total current liabilities	92	14
Noncurrent liabilities
Long-term debt and capital leases, net of current maturities	1,257	758
Other liabilities	130	1
Total noncurrent liabilities	1,387	759
Stockholders' equity (deficit)
Common stock	7	7
Additional paid-in capital	14,319	15,135
Accumulated other comprehensive loss	(4,620)	(4,559)
Retained earnings (deficit)	(6,070)	(8,562)
Total stockholders' equity (deficit)	3,636	2,021
Total liabilities and stockholders' equity (deficit)	5,115	2,794
American Airlines, Inc. [Member]
Current assets
Cash	789	785	981	829
Short-term investments	5,192	3,290
Restricted cash and short-term investments	641	650
Accounts receivable, net	1,535	1,445
Aircraft fuel, spare parts and supplies, net	665	625
Prepaid expenses and other	717	462
Total current assets	9,539	7,257
Operating property and equipment	18,165	16,299
Other assets
Intangibles, net of accumulated amortization	874	815
Other assets	1,822	1,921
Total other assets	2,696	2,736
Total assets	30,400	26,292
Current liabilities
Current maturities of long-term debt and capital leases	1,172	1,230
Accounts payable	1,292	1,029
Payables to related parties, net	1,868	2,563
Air traffic liability	4,160	2,989
Frequent flyer liability	2,745	1,823
Other accrued liabilities	2,018	1,886
Total current liabilities	13,255	11,520
Noncurrent liabilities
Long-term debt and capital leases, net of current maturities	10,595	10,004
Pension and postretirement benefits	7,313	7,400
Bankruptcy settlement obligations	208	325
Other liabilities	2,912	2,615
Total noncurrent liabilities	21,028	20,344
Stockholders' equity (deficit)
Common stock	0	0
Additional paid-in capital	10,761	10,632
Accumulated other comprehensive loss	(4,705)	(4,645)
Retained earnings (deficit)	(9,939)	(11,559)
Total stockholders' equity (deficit)	(3,883)	(5,572)
Total liabilities and stockholders' equity (deficit)	30,400	26,292
US Airways Group [Member]
Current assets
Cash	12	2	1	1
Receivables from related parties, net		157
Total current assets	12	159
Other assets
Investments in subsidiaries	7,590	6,870
Total other assets	7,590	6,870
Total assets	7,602	7,029
Current liabilities
Payables to related parties, net	504	634
Other accrued liabilities	3	3
Total current liabilities	507	637
Noncurrent liabilities
Long-term debt and capital leases, net of current maturities	525	524
Total noncurrent liabilities	525	524
Stockholders' equity (deficit)
Additional paid-in capital	4,752	4,703
Accumulated other comprehensive loss	(17)	(16)
Retained earnings (deficit)	1,835	1,181
Total stockholders' equity (deficit)	6,570	5,868
Total liabilities and stockholders' equity (deficit)	7,602	7,029
US Airways [Member]
Current assets
Cash	144	199	222	303
Short-term investments	2,772	3,016
Restricted cash and short-term investments	106	124
Accounts receivable, net	352	324
Receivables from related parties, net	742	933
Aircraft fuel, spare parts and supplies, net	330	294
Prepaid expenses and other	621	912
Total current assets	5,067	5,802
Operating property and equipment	6,848	6,506
Other assets
Goodwill	4,091	4,090
Intangibles, net of accumulated amortization	1,400	1,425
Other assets	251	267
Total other assets	5,742	5,782
Total assets	17,657	18,090
Current liabilities
Current maturities of long-term debt and capital leases	470	477
Accounts payable	325	287
Payables to related parties, net		73
Air traffic liability	1,504	1,263
Frequent flyer liability		984
Other accrued liabilities	1,096	1,253
Total current liabilities	3,395	4,337
Noncurrent liabilities
Long-term debt and capital leases, net of current maturities	4,810	4,945
Pension and postretirement benefits	124	122
Other liabilities	1,802	1,861
Total noncurrent liabilities	6,736	6,928
Stockholders' equity (deficit)
Additional paid-in capital	5,591	5,542
Accumulated other comprehensive loss	(9)	(8)
Retained earnings (deficit)	1,944	1,291
Total stockholders' equity (deficit)	7,526	6,825
Total liabilities and stockholders' equity (deficit)	17,657	18,090
Non-Guarantor Subsidiaries [Member]
Current assets
Cash	6	7	$ 5	$ 6
Short-term investments	3	3
Accounts receivable, net	18	15
Receivables from related parties, net	138	526
Aircraft fuel, spare parts and supplies, net	74	85
Prepaid expenses and other	44	41
Total current assets	283	677
Operating property and equipment	275	279
Other assets
Other assets	40	38
Total other assets	40	38
Total assets	598	994
Current liabilities
Current maturities of long-term debt and capital leases		1
Accounts payable	74	61
Payables to related parties, net	131	239
Other accrued liabilities	97	138
Total current liabilities	302	439
Noncurrent liabilities
Pension and postretirement benefits	40	40
Other liabilities	49	317
Total noncurrent liabilities	89	357
Stockholders' equity (deficit)
Additional paid-in capital	199	199
Accumulated other comprehensive loss	(12)	(12)
Retained earnings (deficit)	20	11
Total stockholders' equity (deficit)	207	198
Total liabilities and stockholders' equity (deficit)	$ 598	$ 994