Financial Information for Subsidiary Guarantors and Non-guarantor Subsidiaries-Balance Sheet (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
Current assets
Cash	$ 1,178	$ 1,140	$ 717	$ 480
Short-term investments	6,721	8,111
Restricted cash and short-term investments	875	1,035
Accounts receivable, net	1,961	1,560
Receivables from related parties,net	0	0
Aircraft fuel, spare parts and supplies, net	1,182	1,012
Prepaid expenses and other	1,533	1,465
Total current assets	13,450	14,323
Operating property and equipment	22,163	19,259
Other assets
Investment in subsidiaries	0	0
Goodwill	4,089	4,086
Intangibles, net of accumulated amortization	2,305	2,311
Other assets	2,166	2,299
Total other assets	8,560	8,696
Total assets	44,173	42,278
Current liabilities
Current maturities of long-term debt and capital leases	1,439	1,446
Accounts payable	1,498	1,368
Payable to affiliates	0	0
Air traffic liability	4,952	4,380
Frequent flyer liability	2,871	3,005
Other accrued liabilities	3,128	3,607
Total current liabilities	13,888	13,806
Liabilities, Noncurrent [Abstract]
Long-term debt and capital leases, net of current maturities	15,651	15,353
Pension and postretirement benefits	4,964	5,828
Mandatorily convertible preferred stock and other bankruptcy settlement obligations	239	5,928
Negative investment in subsidiaries		0
Other liabilities	4,460	4,094
Total noncurrent liabilities	25,314	31,203
Stockholders’ equity (deficit)
Common stock	7	5
Additional paid-in capital	15,943	10,592
Accumulated other comprehensive loss	(1,893)	(2,032)
Accumulated deficit	(9,086)	(11,296)
Total stockholders’ equity (deficit)	4,971	(2,731)
Total liabilities and stockholders’ equity (deficit)	44,173	42,278
American Airlines Group (Parent Company Only) [Member]
Current assets
Cash	0	1
Short-term investments	0	0
Restricted cash and short-term investments	0	0
Accounts receivable, net	0	0
Receivables from related parties,net	2,838	2,468
Aircraft fuel, spare parts and supplies, net	0	0
Prepaid expenses and other	0	0
Total current assets	2,838	2,469
Operating property and equipment	0	0
Other assets
Investment in subsidiaries	2,843	0
Goodwill	0	0
Intangibles, net of accumulated amortization	0	0
Other assets	52	42
Total other assets	2,895	42
Total assets	5,733	2,511
Current liabilities
Current maturities of long-term debt and capital leases	0	0
Accounts payable	0	0
Payable to affiliates	0	0
Air traffic liability	0	0
Frequent flyer liability	0	0
Other accrued liabilities	3	0
Total current liabilities	3	0
Liabilities, Noncurrent [Abstract]
Long-term debt and capital leases, net of current maturities	758	7
Pension and postretirement benefits	0	0
Mandatorily convertible preferred stock and other bankruptcy settlement obligations	0	435
Negative investment in subsidiaries		4,799
Other liabilities	1	1
Total noncurrent liabilities	759	5,242
Stockholders’ equity (deficit)
Common stock	7	5
Additional paid-in capital	15,943	10,592
Accumulated other comprehensive loss	(1,893)	(2,032)
Accumulated deficit	(9,086)	(11,296)
Total stockholders’ equity (deficit)	4,971	(2,731)
Total liabilities and stockholders’ equity (deficit)	5,733	2,511
American [Member]
Current assets
Cash	1,008	829	712	474
Short-term investments	3,799	5,162
Restricted cash and short-term investments	652	702
Accounts receivable, net	1,459	1,186
Receivables from related parties,net	0	0
Aircraft fuel, spare parts and supplies, net	732	620
Prepaid expenses and other	539	702
Total current assets	8,189	9,201
Operating property and equipment	15,403	13,469
Other assets
Investment in subsidiaries	0	0
Goodwill	0	0
Intangibles, net of accumulated amortization	863	812
Other assets	1,855	2,130
Total other assets	2,718	2,942
Total assets	26,310	25,612
Current liabilities
Current maturities of long-term debt and capital leases	956	957
Accounts payable	1,155	1,013
Payable to affiliates	3,437	2,807
Air traffic liability	3,385	3,145
Frequent flyer liability	1,790	1,760
Other accrued liabilities	1,745	2,237
Total current liabilities	12,468	11,919
Liabilities, Noncurrent [Abstract]
Long-term debt and capital leases, net of current maturities	9,255	9,852
Pension and postretirement benefits	4,830	5,693
Mandatorily convertible preferred stock and other bankruptcy settlement obligations	239	5,424
Negative investment in subsidiaries		0
Other liabilities	2,709	2,384
Total noncurrent liabilities	17,033	23,353
Stockholders’ equity (deficit)
Common stock	0	0
Additional paid-in capital	10,558	5,361
Accumulated other comprehensive loss	(2,012)	(2,152)
Accumulated deficit	(11,737)	(12,869)
Total stockholders’ equity (deficit)	(3,191)	(9,660)
Total liabilities and stockholders’ equity (deficit)	26,310	25,612
US Airways Group (Parent Company Only)[Member]
Current assets
Cash	1	1
Short-term investments	0	0
Restricted cash and short-term investments	0	0
Accounts receivable, net	0	0
Receivables from related parties,net	330	144
Aircraft fuel, spare parts and supplies, net	0	0
Prepaid expenses and other	0	0
Total current assets	331	145
Operating property and equipment	0	0
Other assets
Investment in subsidiaries	6,578	5,317
Goodwill	0	0
Intangibles, net of accumulated amortization	0	0
Other assets	0	0
Total other assets	6,578	5,317
Total assets	6,909	5,462
Current liabilities
Current maturities of long-term debt and capital leases	0	22
Accounts payable	0	0
Payable to affiliates	793	408
Air traffic liability	0	0
Frequent flyer liability	0	0
Other accrued liabilities	10	103
Total current liabilities	803	533
Liabilities, Noncurrent [Abstract]
Long-term debt and capital leases, net of current maturities	523	523
Pension and postretirement benefits	0	0
Mandatorily convertible preferred stock and other bankruptcy settlement obligations	0	0
Negative investment in subsidiaries		0
Other liabilities	0	0
Total noncurrent liabilities	523	523
Stockholders’ equity (deficit)
Common stock	0	0
Additional paid-in capital	4,678	4,602
Accumulated other comprehensive loss	9	12
Accumulated deficit	896	(208)
Total stockholders’ equity (deficit)	5,583	4,406
Total liabilities and stockholders’ equity (deficit)	6,909	5,462
US Airways [Member]
Current assets
Cash	164	303
Short-term investments	2,920	2,947
Restricted cash and short-term investments	223	333
Accounts receivable, net	497	357
Receivables from related parties,net	830	407
Aircraft fuel, spare parts and supplies, net	369	296
Prepaid expenses and other	1,062	857
Total current assets	6,065	5,500
Operating property and equipment	6,483	5,506
Other assets
Investment in subsidiaries	0	0
Goodwill	4,089	4,086
Intangibles, net of accumulated amortization	1,442	1,496
Other assets	260	131
Total other assets	5,791	5,713
Total assets	18,339	16,719
Current liabilities
Current maturities of long-term debt and capital leases	482	467
Accounts payable	284	304
Payable to affiliates	51	50
Air traffic liability	1,567	1,235
Frequent flyer liability	1,081	1,245
Other accrued liabilities	1,228	1,137
Total current liabilities	4,693	4,438
Liabilities, Noncurrent [Abstract]
Long-term debt and capital leases, net of current maturities	5,150	5,005
Pension and postretirement benefits	106	109
Mandatorily convertible preferred stock and other bankruptcy settlement obligations	0	0
Negative investment in subsidiaries		0
Other liabilities	1,834	1,905
Total noncurrent liabilities	7,090	7,019
Stockholders’ equity (deficit)
Common stock	0	0
Additional paid-in capital	5,516	5,441
Accumulated other comprehensive loss	9	12
Accumulated deficit	1,031	(191)
Total stockholders’ equity (deficit)	6,556	5,262
Total liabilities and stockholders’ equity (deficit)	18,339	16,719
Non-Guarantor Subsidiaries [Member]
Current assets
Cash	5	6
Short-term investments	2	2
Restricted cash and short-term investments	0	0
Accounts receivable, net	12	17
Receivables from related parties,net	679	459
Aircraft fuel, spare parts and supplies, net	81	96
Prepaid expenses and other	31	20
Total current assets	810	600
Operating property and equipment	277	284
Other assets
Investment in subsidiaries	0	0
Goodwill	0	0
Intangibles, net of accumulated amortization	0	3
Other assets	33	30
Total other assets	33	33
Total assets	1,120	917
Current liabilities
Current maturities of long-term debt and capital leases	1	0
Accounts payable	59	51
Payable to affiliates	396	213
Air traffic liability	0	0
Frequent flyer liability	0	0
Other accrued liabilities	155	139
Total current liabilities	611	403
Liabilities, Noncurrent [Abstract]
Long-term debt and capital leases, net of current maturities	0	0
Pension and postretirement benefits	28	26
Mandatorily convertible preferred stock and other bankruptcy settlement obligations	0	69
Negative investment in subsidiaries		0
Other liabilities	288	277
Total noncurrent liabilities	316	372
Stockholders’ equity (deficit)
Common stock	0	0
Additional paid-in capital	199	126
Accumulated other comprehensive loss	0	0
Accumulated deficit	(6)	16
Total stockholders’ equity (deficit)	193	142
Total liabilities and stockholders’ equity (deficit)	1,120	917
Eliminations and Reclassifications [Member]
Current assets
Cash	0	0
Short-term investments	0	0
Restricted cash and short-term investments	0	0
Accounts receivable, net	(7)	0
Receivables from related parties,net	(4,677)	(3,478)
Aircraft fuel, spare parts and supplies, net	0	0
Prepaid expenses and other	(99)	(114)
Total current assets	(4,783)	(3,592)
Operating property and equipment	0	0
Other assets
Investment in subsidiaries	(9,421)	(5,317)
Goodwill	0	0
Intangibles, net of accumulated amortization	0	0
Other assets	(34)	(34)
Total other assets	(9,455)	(5,351)
Total assets	(14,238)	(8,943)
Current liabilities
Current maturities of long-term debt and capital leases	0	0
Accounts payable	0	0
Payable to affiliates	(4,677)	(3,478)
Air traffic liability	0	0
Frequent flyer liability	0	0
Other accrued liabilities	(13)	(9)
Total current liabilities	(4,690)	(3,487)
Liabilities, Noncurrent [Abstract]
Long-term debt and capital leases, net of current maturities	(35)	(34)
Pension and postretirement benefits	0	0
Mandatorily convertible preferred stock and other bankruptcy settlement obligations	0	0
Negative investment in subsidiaries		(4,799)
Other liabilities	(372)	(473)
Total noncurrent liabilities	(407)	(5,306)
Stockholders’ equity (deficit)
Common stock	0	0
Additional paid-in capital	(20,951)	(15,530)
Accumulated other comprehensive loss	1,994	2,128
Accumulated deficit	9,816	13,252
Total stockholders’ equity (deficit)	(9,141)	(150)
Total liabilities and stockholders’ equity (deficit)	$ (14,238)	$ (8,943)