Consolidated Statements Of Stockholders' Equity (Deficit) (USD $) In Millions, unless otherwise specified	Total		Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	AA [Member]		AA [Member] Additional Paid-in Capital	AA [Member] Accumulated Other Comprehensive Income (Loss)	AA [Member] Accumulated Deficit
Beginning Balance at Dec. 31, 2010	$ (3,945)		$ 127	$ 4,657	$ (367)	$ (2,755)	$ (5,607)	$ (6,336)		$ 3,981	$ (2,865)	$ (7,452)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,979)						(1,979)	(1,965)				(1,965)
Change in unrealized gain (loss) on investments	0							(1)			(1)
Changes in pension, retiree medical and other liability	(1,086)					(1,086)		(1,086)			(1,086)
Net changes in fair value of derivative financial instruments	(123)					(123)		(123)			(123)
Comprehensive income (loss)	(3,188)							(3,175)
Share based compensation expense	23			23				24		24
Issuance of shares to employees pursuant to stock option and deferred stock incentive plans	(1)		0	(1)
Intercompany equity transfer								450		450
Ending Balance at Dec. 31, 2011	(7,111)		127	4,679	(367)	(3,964)	(7,586)	(9,037)		4,455	(4,075)	(9,417)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,660)	[1]						(1,676)	[2]
Ending Balance at Mar. 31, 2012
Beginning Balance at Dec. 31, 2011	(7,111)			4,679	(367)	(3,964)	(7,586)	(9,037)		4,455	(4,075)	(9,417)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,876)						(1,876)	(1,926)				(1,926)
Change in unrealized gain (loss) on investments	3					3		6			6
Changes in pension, retiree medical and other liability	1,565					1,565		1,565			1,565
Net changes in fair value of derivative financial instruments	(15)					(15)		(15)			(15)
Non-cash tax provision	(569)					(569)		(569)			(569)
Comprehensive income (loss)	(892)							(939)
Share based compensation expense	16			16				14		14
Intercompany equity transfer								0		0
Ending Balance at Dec. 31, 2012	(7,987)			4,695		(2,980)	(9,462)	(9,962)		4,469	(3,088)	(11,343)
Beginning Balance at Sep. 30, 2012
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	263	[1]						271	[2]
Ending Balance at Dec. 31, 2012	(7,987)							(9,962)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(341)	[1]						(253)	[2]
Ending Balance at Mar. 31, 2013
Beginning Balance at Dec. 31, 2012	(7,987)		127	4,695	(367)	(2,980)	(9,462)	(9,962)		4,469	(3,088)	(11,343)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,834)						(1,834)	(1,526)				(1,526)
Change in unrealized gain (loss) on investments	(1)					(1)		(1)			(1)
Changes in pension, retiree medical and other liability	1,435					1,435		1,423			1,423
Net changes in fair value of derivative financial instruments	52					52		52			52
Non-cash tax provision	(538)					(538)		(538)			(538)
Comprehensive income (loss)	(886)							(590)
Issuance of 3,136,770 shares to employees pursuant to stock option and deferred stock incentive plans	8		3	5
Issuance of 18,676,683 shares in exchange for redemption of AMR Corporation debt	521		19	502
Cancellation of pre-reorganization common stock	0		(149)	(218)	367
Issuance of 53,675,878 shares of post-reorganization common stock	595		1	594
Issuance of 197,363,088 shares in exchange for US Airways Group common stock	4,592		2	4,590
Equity component of US Airways Group convertible debt assumed in Merger	88			88
Issuance of 9,993,882 shares for Optional Conversion of Preferred Shares	269		0	269
Share based compensation expense	69			69				68		68
Issuance of shares to employees pursuant to stock option and deferred stock incentive plans	0		0	0
Intercompany equity transfer								824		824
Ending Balance at Dec. 31, 2013	(2,731)		3	10,594	0	(2,032)	(11,296)	(9,660)		5,361	(2,152)	(12,869)
Beginning Balance at Sep. 30, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(2,000)	[1]						(1,791)	[2]
Ending Balance at Dec. 31, 2013	$ (2,731)							$ (9,660)

[1] To conform to current year presentation, certain operating revenue and expenses in prior years have been reclassified. As a result, prior year amounts may not agree to the amounts previously reported. See Note 4 for additional information.

[2] To conform to current year presentation, certain operating revenue and expenses in prior years have been reclassified. As a result, prior year amounts may not agree to the amounts previously reported. See Note 4 to American's Consolidated Financial Statements for additional information.