Financial Information for Subsidiary Guarantors and Non-guarantor Subsidiaries - Condensed Consolidating Statement of Cash Flows (Detail) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	$ 6,021	$ 2,276
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits	(4,621)	(4,006)
Purchases of short-term investments	(7,717)	(3,603)
Sales of short-term investments	6,167	4,993
Decrease in restricted cash and short-term investments	64	160
Net proceeds from slot transaction		307
Proceeds from sale of an investment	52
Proceeds from sale of property and equipment	23	24
Net cash provided by (used in) investing activities	(6,032)	(2,125)
Cash flows from financing activities:
Payments on long-term debt and capital leases	(1,821)	(2,780)
Proceeds from issuance of long-term debt	4,463	2,407
Deferred financing costs	(69)	(68)
Sale-leaseback transactions	43	531
Exercise of stock options		9
Treasury stock repurchases	(2,411)	(155)
Dividend payment	(206)	(72)
Other financing activities	34	15
Net cash provided by (used in) financing activities	33	(113)
Net increase (decrease) in cash	22	38
Cash at beginning of period	994	1,140
Cash at end of period	1,016	1,178
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 (used in) operating activities	2,073	(523)
Cash flows from investing activities:
Purchases of short-term investments	(1)
Proceeds from sale of an investment	52
Net cash provided by (used in) investing activities	51
Cash flows from financing activities:
Proceeds from issuance of long-term debt	500	750
Deferred financing costs	(7)	(10)
Exercise of stock options		9
Treasury stock repurchases	(2,411)	(155)
Dividend payment	(206)	(72)
Net cash provided by (used in) financing activities	(2,124)	522
Net increase (decrease) in cash		(1)
Cash at beginning of period	1	1
Cash at end of period	1
American Airlines, Inc. [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	4,093	2,034
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits	(3,962)	(2,746)
Purchases of short-term investments	(5,061)	(2,526)
Sales of short-term investments	2,944	3,889
Decrease in restricted cash and short-term investments	(7)	50
Net proceeds from slot transaction		299
Funds transferred to affiliates		(198)
Proceeds from sale of property and equipment	18	5
Net cash provided by (used in) investing activities	(6,068)	(1,227)
Cash flows from financing activities:
Payments on long-term debt and capital leases	(1,544)	(2,201)
Proceeds from issuance of long-term debt	3,554	1,098
Deferred financing costs	(57)	(56)
Sale-leaseback transactions	43	531
Net cash provided by (used in) financing activities	1,996	(628)
Net increase (decrease) in cash	21	179
Cash at beginning of period	785	829
Cash at end of period	806	1,008
US Airways Group [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	17
Cash flows from financing activities:
Net increase (decrease) in cash	17
Cash at beginning of period	2	1
Cash at end of period	19	1
US Airways [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	(216)	730
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits	(602)	(1,027)
Purchases of short-term investments	(2,655)	(1,076)
Sales of short-term investments	3,223	1,104
Decrease in restricted cash and short-term investments	71	110
Net proceeds from slot transaction		8
Proceeds from sale of property and equipment		19
Net cash provided by (used in) investing activities	37	(862)
Cash flows from financing activities:
Payments on long-term debt and capital leases	(277)	(403)
Proceeds from issuance of long-term debt	409	559
Deferred financing costs	(5)	(2)
Funds transferred to affiliates, net		(176)
Other financing activities	34	15
Net cash provided by (used in) financing activities	161	(7)
Net increase (decrease) in cash	(18)	(139)
Cash at beginning of period	199	303
Cash at end of period	181	164
Non-Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	54	35
Cash flows from investing activities:
Capital expenditures and aircraft purchase deposits	(57)	(35)
Purchases of short-term investments		(1)
Proceeds from sale of property and equipment	5
Net cash provided by (used in) investing activities	(52)	(36)
Cash flows from financing activities:
Net increase (decrease) in cash	2	(1)
Cash at beginning of period	7	6
Cash at end of period	$ 9	$ 5