Financial Information for Subsidiary Guarantors and Non-guarantor Subsidiaries-Cash Flows (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Mar. 31, 2014	Sep. 30, 2014	Sep. 30, 2013
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities		$ 2,276	$ 1,887
Capital expenditures and aircraft purchase deposits		(4,006)	(2,400)
Decrease (increase) in short-term investments		1,390	(2,634)
Decrease in restricted cash and short-term investments		160	(85)
Net proceeds from slot transaction	307	307	0
Funds transferred to affiliates		0
Proceeds from sale of property and equipment		24	27
Net cash used in investing activities		(2,125)	(5,092)
Payments on long-term debt and capital leases		(2,780)	(2,052)
Proceeds from issuance of long-term debt		2,407	4,082
Sale-leaseback transactions		531	1,496
Treasury stock repurchases		(155)	0
Dividend payment		(72)	0
Premium paid for debt extinguishment		(39)	0
Deferred financing costs		(29)	(84)
Exercise of stock options		9	0
Funds transferred to affiliates		0
Other financing activities		15	0
Net cash provided by (used in) financing activities		(113)	3,442
Net increase (decrease) in cash		38	237
Cash at beginning of period	1,140	1,140	480
Cash at end of period		1,178	717
American Airlines Group (Parent Company Only) [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities		(523)
Capital expenditures and aircraft purchase deposits		0
Decrease (increase) in short-term investments		0
Decrease in restricted cash and short-term investments		0
Net proceeds from slot transaction		0
Funds transferred to affiliates		0
Proceeds from sale of property and equipment		0
Net cash used in investing activities		0
Payments on long-term debt and capital leases		0
Proceeds from issuance of long-term debt		750
Sale-leaseback transactions		0
Treasury stock repurchases		(155)
Dividend payment		(72)
Premium paid for debt extinguishment		0
Deferred financing costs		(10)
Exercise of stock options		9
Funds transferred to affiliates		0
Other financing activities		0
Net cash provided by (used in) financing activities		522
Net increase (decrease) in cash		(1)
Cash at beginning of period	1	1
Cash at end of period		0
American [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities		2,034	1,842
Capital expenditures and aircraft purchase deposits		(2,746)	(2,391)
Decrease (increase) in short-term investments		1,363	(2,635)
Decrease in restricted cash and short-term investments		50	(85)
Net proceeds from slot transaction	299	299	0
Funds transferred to affiliates		(198)	0
Proceeds from sale of property and equipment		5	22
Net cash used in investing activities		(1,227)	(5,089)
Payments on long-term debt and capital leases		(2,201)	(2,052)
Proceeds from issuance of long-term debt		1,098	4,082
Sale-leaseback transactions		531	1,496
Treasury stock repurchases		0
Dividend payment		0
Premium paid for debt extinguishment		(39)	0
Deferred financing costs		(17)	(84)
Exercise of stock options		0
Funds transferred to affiliates		0	43
Other financing activities		0
Net cash provided by (used in) financing activities		(628)	3,485
Net increase (decrease) in cash		179	238
Cash at beginning of period	829	829	474
Cash at end of period		1,008	712
US Airways Group (Parent Company Only)[Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities		0
Capital expenditures and aircraft purchase deposits		0
Decrease (increase) in short-term investments		0
Decrease in restricted cash and short-term investments		0
Net proceeds from slot transaction		0
Funds transferred to affiliates		0
Proceeds from sale of property and equipment		0
Net cash used in investing activities		0
Payments on long-term debt and capital leases		0
Proceeds from issuance of long-term debt		0
Sale-leaseback transactions		0
Treasury stock repurchases		0
Dividend payment		0
Premium paid for debt extinguishment		0
Deferred financing costs		0
Exercise of stock options		0
Funds transferred to affiliates		0
Other financing activities		0
Net cash provided by (used in) financing activities		0
Net increase (decrease) in cash		0
Cash at beginning of period	1	1
Cash at end of period		1
US Airways [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities		730
Capital expenditures and aircraft purchase deposits		(1,027)
Decrease (increase) in short-term investments		28
Decrease in restricted cash and short-term investments		110
Net proceeds from slot transaction		8
Funds transferred to affiliates		0
Proceeds from sale of property and equipment		19
Net cash used in investing activities		(862)
Payments on long-term debt and capital leases		(403)
Proceeds from issuance of long-term debt		559
Sale-leaseback transactions		0
Treasury stock repurchases		0
Dividend payment		0
Premium paid for debt extinguishment		0
Deferred financing costs		(2)
Exercise of stock options		0
Funds transferred to affiliates		(176)
Other financing activities		15
Net cash provided by (used in) financing activities		(7)
Net increase (decrease) in cash		(139)
Cash at beginning of period	303	303
Cash at end of period		164
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities		35
Capital expenditures and aircraft purchase deposits		(35)
Decrease (increase) in short-term investments		(1)
Decrease in restricted cash and short-term investments		0
Net proceeds from slot transaction		0
Funds transferred to affiliates		0
Proceeds from sale of property and equipment		0
Net cash used in investing activities		(36)
Payments on long-term debt and capital leases		0
Proceeds from issuance of long-term debt		0
Sale-leaseback transactions		0
Treasury stock repurchases		0
Dividend payment		0
Premium paid for debt extinguishment		0
Deferred financing costs		0
Exercise of stock options		0
Funds transferred to affiliates		0
Other financing activities		0
Net cash provided by (used in) financing activities		0
Net increase (decrease) in cash		(1)
Cash at beginning of period	6	6
Cash at end of period		5
Eliminations and Reclassifications [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities		0
Capital expenditures and aircraft purchase deposits		(198)
Decrease (increase) in short-term investments		0
Decrease in restricted cash and short-term investments		0
Net proceeds from slot transaction		0
Funds transferred to affiliates		198
Proceeds from sale of property and equipment		0
Net cash used in investing activities		0
Payments on long-term debt and capital leases		(176)
Proceeds from issuance of long-term debt		0
Sale-leaseback transactions		0
Treasury stock repurchases		0
Dividend payment		0
Premium paid for debt extinguishment		0
Deferred financing costs		0
Exercise of stock options		0
Funds transferred to affiliates		176
Other financing activities		0
Net cash provided by (used in) financing activities		0
Net increase (decrease) in cash		0
Cash at beginning of period	0	0
Cash at end of period		$ 0