Financial Information for Subsidiary Guarantors and Non-guarantor Subsidiaries-Cash Flows (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		4 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	$ 1,256	$ 700
Capital expenditures and aircraft purchase deposits	(1,047)	(885)
Increase in short-term investments	(294)	(226)
Increase Decrease In Restricted Cash And Short Term Investments	88	(3)
Net proceeds from slot transaction	307	0
Proceeds from sale of property and equipment	3	26
Net cash used in investing activities	(943)	(1,088)
Payments on long-term debt and capital leases	(501)	(394)
Proceeds from issuance of long-term debt	224	161
Payments of employee withholding taxes on net share issuances	(84)	0	(380)
Funds transferred from (to) affiliates	0
Exercise of stock options	9	0
Deferred financing costs	(7)	(17)
Sale-leaseback transactions	165	764
Net cash provided by (used in) financing activities	(194)	514
Net increase (decrease) in cash	119	126
Cash at beginning of period	1,140	480
Cash at end of period	1,259	606	1,259
American Airlines Group (Parent Company Only) [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	(9)
Capital expenditures and aircraft purchase deposits	0
Increase in short-term investments	0
Increase Decrease In Restricted Cash And Short Term Investments	0
Net proceeds from slot transaction	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
Payments of employee withholding taxes on net share issuances	(84)
Funds transferred from (to) affiliates	84
Exercise of stock options	9
Deferred financing costs	0
Sale-leaseback transactions	0
Net cash provided by (used in) financing activities	9
Net increase (decrease) in cash	0
Cash at beginning of period	1
Cash at end of period	1		1
AA [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	742	696
Capital expenditures and aircraft purchase deposits	(722)	(882)
Increase in short-term investments	183	(228)
Increase Decrease In Restricted Cash And Short Term Investments	3	(3)
Net proceeds from slot transaction	299	0
Proceeds from sale of property and equipment	3	26
Net cash used in investing activities	(234)	(1,087)
Payments on long-term debt and capital leases	(430)	(392)
Proceeds from issuance of long-term debt	0	161
Payments of employee withholding taxes on net share issuances	0		(380)
Funds transferred from (to) affiliates	(84)	0
Exercise of stock options	0
Deferred financing costs	(5)	(17)
Sale-leaseback transactions	165	764
Net cash provided by (used in) financing activities	(354)	516
Net increase (decrease) in cash	154	125
Cash at beginning of period	829	474
Cash at end of period	983	599	983
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
Increase in short-term investments	0
Increase Decrease In Restricted Cash And Short Term Investments	0
Net proceeds from slot transaction	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
Payments of employee withholding taxes on net share issuances	0
Funds transferred from (to) affiliates	0
Exercise of stock options	0
Deferred financing costs	0
Sale-leaseback transactions	0
Net cash provided by (used in) financing activities	0
Net increase (decrease) in cash	0
Cash at beginning of period	1
Cash at end of period	1		1
US Airways [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	515
Capital expenditures and aircraft purchase deposits	(316)
Increase in short-term investments	(477)
Increase Decrease In Restricted Cash And Short Term Investments	85
Net proceeds from slot transaction	8
Proceeds from sale of property and equipment	0
Net cash used in investing activities	(700)
Payments on long-term debt and capital leases	(71)
Proceeds from issuance of long-term debt	224
Payments of employee withholding taxes on net share issuances	0
Funds transferred from (to) affiliates	0
Exercise of stock options	0
Deferred financing costs	(2)
Sale-leaseback transactions	0
Net cash provided by (used in) financing activities	151
Net increase (decrease) in cash	(34)
Cash at beginning of period	303
Cash at end of period	269		269
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	8
Capital expenditures and aircraft purchase deposits	(9)
Increase in short-term investments	0
Increase Decrease In Restricted Cash And Short Term Investments	0
Net proceeds from slot transaction	0
Proceeds from sale of property and equipment	0
Net cash used in investing activities	(9)
Payments on long-term debt and capital leases	0
Proceeds from issuance of long-term debt	0
Payments of employee withholding taxes on net share issuances	0
Funds transferred from (to) affiliates	0
Exercise of stock options	0
Deferred financing costs	0
Sale-leaseback transactions	0
Net cash provided by (used in) financing activities	0
Net increase (decrease) in cash	(1)
Cash at beginning of period	6
Cash at end of period	5		5
Eliminations and Reclassifications [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	0
Capital expenditures and aircraft purchase deposits	0
Increase in short-term investments	0
Increase Decrease In Restricted Cash And Short Term Investments	0
Net proceeds from slot transaction	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
Payments of employee withholding taxes on net share issuances	0
Funds transferred from (to) affiliates	0
Exercise of stock options	0
Deferred financing costs	0
Sale-leaseback transactions	0
Net cash provided by (used in) financing activities	0
Net increase (decrease) in cash	0
Cash at beginning of period	0
Cash at end of period	$ 0		$ 0