Financial Information for Subsidiary Guarantors and Non-guarantor Subsidiaries - Condensed Consolidating Statement of Cash Flows (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	$ 4,841	$ 2,637
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits	(3,139)	(2,678)
Purchases of short-term investments	(5,093)	(1,861)
Sales of short-term investments	3,436	1,723
Decrease in restricted cash and short-term investments	27	153
Net proceeds from slot transaction		307
Proceeds from sale of an investment	52
Proceeds from sale of property and equipment	22	9
Net cash provided by (used in) investing activities	(4,695)	(2,347)
Cash flows from financing activities:
Payments on long-term debt and capital leases	(1,107)	(1,145)
Proceeds from issuance of long-term debt	1,996	534
Deferred financing costs	(40)	(7)
Sale-leaseback transactions		411
Exercise of stock options		9
Treasury stock repurchases	(931)	(28)
Dividend payment	(140)
Other financing activities	34	6
Net cash provided by (used in) financing activities	(188)	(220)
Net increase (decrease) in cash	(42)	70
Cash at beginning of period	994	1,140
Cash at end of period	952	1,210
Eliminations and Reclassifications [Member]
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits		(198)
Funds transferred to affiliates		198
Cash flows from financing activities:
Payments on long-term debt and capital leases		(176)
Funds transferred to affiliates, net		176
American Airlines Group (Parent Company Only) [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	526
Cash flows from investing activities:
Proceeds from sale of an investment	52
Net cash provided by (used in) investing activities	52
Cash flows from financing activities:
Proceeds from issuance of long-term debt	500
Deferred financing costs	(7)
Treasury stock repurchases	(931)
Dividend payment	(140)
Net cash provided by (used in) financing activities	(578)
Cash at beginning of period	1	1
Cash at end of period	1	1
American Airlines, Inc. [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	3,935	1,683
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits	(2,563)	(1,828)
Purchases of short-term investments	(3,080)	(1,183)
Sales of short-term investments	1,178	1,523
Decrease in restricted cash and short-term investments	9	52
Net proceeds from slot transaction		299
Funds transferred to affiliates		(198)
Proceeds from sale of property and equipment	18	7
Net cash provided by (used in) investing activities	(4,438)	(1,328)
Cash flows from financing activities:
Payments on long-term debt and capital leases	(881)	(655)
Proceeds from issuance of long-term debt	1,420	53
Deferred financing costs	(32)	(5)
Sale-leaseback transactions		411
Treasury stock repurchases		(7)
Net cash provided by (used in) financing activities	507	(203)
Net increase (decrease) in cash	4	152
Cash at beginning of period	785	829
Cash at end of period	789	$ 981
US Airways Group [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	10
Cash flows from financing activities:
Net increase (decrease) in cash	10
Cash at beginning of period	2	$ 1
Cash at end of period	12	1
US Airways [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	340	931
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits	(541)	(626)
Purchases of short-term investments	(2,013)	(678)
Sales of short-term investments	2,258	200
Decrease in restricted cash and short-term investments	18	101
Net proceeds from slot transaction		8
Net cash provided by (used in) investing activities	(278)	(995)
Cash flows from financing activities:
Payments on long-term debt and capital leases	(226)	(314)
Proceeds from issuance of long-term debt	76	481
Deferred financing costs	(1)	(2)
Exercise of stock options		9
Treasury stock repurchases		(21)
Funds transferred to affiliates, net		(176)
Other financing activities	34	6
Net cash provided by (used in) financing activities	(117)	(17)
Net increase (decrease) in cash	(55)	(81)
Cash at beginning of period	199	303
Cash at end of period	144	222
Non-Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	30	23
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits	(35)	(26)
Proceeds from sale of property and equipment	4	2
Net cash provided by (used in) investing activities	(31)	(24)
Cash flows from financing activities:
Net increase (decrease) in cash	(1)	(1)
Cash at beginning of period	7	6
Cash at end of period	$ 6	$ 5