Financial Information for Subsidiary Guarantors and Non-guarantor Subsidiaries - Condensed Consolidating Statement of Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	$ 1,704	$ 864	$ 2,636	$ 1,343
Other comprehensive income (loss) before tax:
Defined benefit pension plans and retiree medical	(26)	(59)	(52)	(104)
Derivative financial instruments:
Change in fair value		13		(54)
Reclassification into earnings	(3)	5	(9)	12
Unrealized gain (loss) on investments:
Net change in value	(1)			2
Other comprehensive loss before tax	(30)	(41)	(61)	(144)
Reversal of non-cash tax provision		330		330
Comprehensive income (loss)	1,674	1,153	2,575	1,529
Eliminations and Reclassifications [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	(1,869)	(1,461)	(2,933)	(1,973)
Unrealized gain (loss) on investments:
Comprehensive income (loss)	(1,869)	(1,461)	(2,933)	(1,973)
American Airlines Group (Parent Company Only) [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	1,710	868	2,641	1,290
Derivative financial instruments:
Change in fair value		(2)		(2)
Unrealized gain (loss) on investments:
Net change in value		2		2
Reversal of non-cash tax provision		2		2
Comprehensive income (loss)	1,710	870	2,641	1,292
American Airlines, Inc. [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	1,052	265	1,620	666
Other comprehensive income (loss) before tax:
Defined benefit pension plans and retiree medical	(25)	(58)	(51)	(102)
Derivative financial instruments:
Change in fair value		15		(52)
Reclassification into earnings	(3)	5	(9)	12
Unrealized gain (loss) on investments:
Net change in value	(1)	(2)
Other comprehensive loss before tax	(29)	(40)	(60)	(142)
Reversal of non-cash tax provision		328		328
Comprehensive income (loss)	1,023	553	1,560	852
US Airways Group [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	404	589	645	640
Unrealized gain (loss) on investments:
Comprehensive income (loss)	404	589	645	640
US Airways [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	413	605	654	731
Other comprehensive income (loss) before tax:
Defined benefit pension plans and retiree medical	(1)	(1)	(1)	(2)
Unrealized gain (loss) on investments:
Other comprehensive loss before tax	(1)	(1)	(1)	(2)
Comprehensive income (loss)	412	604	653	729
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	(6)	(2)	9	(11)
Unrealized gain (loss) on investments:
Comprehensive income (loss)	$ (6)	$ (2)	$ 9	$ (11)