Consolidated Statements of Stockholders' Equity (USD $) In Millions, except Share data	Total USD ($)	US Airways, Inc. [Member] USD ($)	Predecessor [Member] USD ($)	Predecessor [Member] US Airways, Inc. [Member] USD ($)	Successor [Member] USD ($)	Successor [Member] US Airways, Inc. [Member] USD ($)	Successor [Member] American Airlines Group [Member] USD ($)	Successor [Member] American Airlines Group [Member] US Airways, Inc. [Member] USD ($)	Common Stock [Member] Predecessor [Member]	Common Stock [Member] Successor [Member]	Additional Paid-In Capital [Member] Predecessor [Member] USD ($)	Additional Paid-In Capital [Member] Predecessor [Member] US Airways, Inc. [Member] USD ($)	Additional Paid-In Capital [Member] Successor [Member] USD ($)	Additional Paid-In Capital [Member] Successor [Member] US Airways, Inc. [Member] USD ($)	Additional Paid-In Capital [Member] Successor [Member] American Airlines Group [Member] USD ($)	Additional Paid-In Capital [Member] Successor [Member] American Airlines Group [Member] US Airways, Inc. [Member] USD ($)	Accumulated Other Comprehensive Income [Member] Predecessor [Member] USD ($)	Accumulated Other Comprehensive Income [Member] Predecessor [Member] US Airways, Inc. [Member] USD ($)	Accumulated Other Comprehensive Income [Member] Successor [Member] USD ($)	Accumulated Other Comprehensive Income [Member] Successor [Member] US Airways, Inc. [Member] USD ($)	Accumulated Deficit [Member] Predecessor [Member] USD ($)	Accumulated Deficit [Member] Successor [Member] USD ($)	Accumulated Deficit [Member] Predecessor [Member] US Airways, Inc. [Member] USD ($)	Accumulated Deficit [Member] Successor [Member] US Airways, Inc. [Member] USD ($)
Beginning Balance at Dec. 31, 2010			$ 84	$ 780							$ 2,115	$ 2,445					$ 14	$ 20			$ (2,047)		$ (1,685)
Beginning Balance (in shares) at Dec. 31, 2010									2
Net income (loss)			71	180																	71		180
Issuance of common stock pursuant to common stock plans
Share-based compensation expense			7								7
Reversal of tax provision in other comprehensive income			21	21													21	21
Reversal of net unrealized gains on sale of available-for-sale securities	(3)	(3)	(3)	(3)													(3)	(3)
Pension and other postretirement benefits			(30)	(16)													(30)	(16)
Ending balance at Dec. 31, 2011			150	962							2,122	2,445					2	22			(1,976)		(1,505)
Ending balance (in shares) at Dec. 31, 2011									2
Net income (loss)			48	71
Ending balance at Mar. 31, 2012
Beginning Balance at Dec. 31, 2011			150	962							2,122	2,445					2	22			(1,976)		(1,505)
Beginning Balance (in shares) at Dec. 31, 2011									2
Net income (loss)			637	702																	637		702
Issuance of common stock pursuant to common stock plans
Share-based compensation expense			12								12
Reversal of tax provision in other comprehensive income			0	0
Reversal of net unrealized gains on sale of available-for-sale securities			0	0
Pension and other postretirement benefits			(9)	(9)													(9)	(9)
Ending balance at Dec. 31, 2012			790	1,655							2,134	2,445					(7)	13			(1,339)		(803)
Ending balance (in shares) at Dec. 31, 2012			790						2
Beginning Balance at Sep. 30, 2012
Net income (loss)			37	47
Ending balance at Dec. 31, 2012			790	1,655								2,445
Ending balance (in shares) at Dec. 31, 2012			790						2
Net income (loss)			44	69
Ending balance at Mar. 31, 2013
Beginning Balance at Dec. 31, 2012			790	1,655							2,134	2,445					(7)	13			(1,339)		(803)
Beginning Balance (in shares) at Dec. 31, 2012			790						2
Net income (loss)			600	674																	600		674
Issuance of common stock pursuant to common stock plans			2								2
Issuance of 32,821,874 shares of common stock pursuant to conversions of 7.25% convertible senior notes			151								151
Share-based compensation expense			19								19
Reversal of tax provision in other comprehensive income			0	0
Reversal of net unrealized gains on sale of available-for-sale securities			0	0
Pension and other postretirement benefits			1	(1)													1	(1)
Ending balance at Dec. 08, 2013			1,563	2,328							2,306	2,445					(6)	12			(739)		(129)
Ending balance (in shares) at Dec. 08, 2013									2
Beginning Balance at Sep. 30, 2013
Net income (loss)			53	60
Ending balance at Dec. 08, 2013			1,563	2,328								2,445
Ending balance (in shares) at Dec. 08, 2013									2
Elimination of equity accounts in connection with the Merger					(1,563)	(2,328)							(2,306)	(2,445)					6	(12)		739		129
Elimination of equity accounts in connection with the Merger (in shares)										(2)
Net income (loss)					(208)	(191)																(208)		(191)
Issuance of common stock pursuant to common stock plans							4,592	5,431							4,592	5,431
Share-based compensation expense					10	10							10	10
Reversal of tax provision in other comprehensive income					0	0
Reversal of net unrealized gains on sale of available-for-sale securities					0	0
Pension and other postretirement benefits					12	12													12	12
Ending balance at Dec. 31, 2013					$ 4,406	$ 5,262							$ 4,602	$ 5,441					$ 12	$ 12		$ (208)		$ (191)

US AIRWAYS GROUP INC 10-K