Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Millions, except Share data	Sep. 30, 2011	Dec. 31, 2010
Other assets
Accumulated Amortization of Other Intangibles	$ 157	$ 139
Stockholders' equity
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	400,000,000	400,000,000
Common stock, shares issued	162,112,185	161,874,756
Common stock, shares outstanding	162,112,185	161,874,756
US Airways, Inc. [Member]
Other assets
Accumulated Amortization of Other Intangibles	$ 147	$ 130
Stockholders' equity
Common stock, par value	$ 1	$ 1
Common stock, shares issued	1,000	1,000
Common stock, shares outstanding	1,000	1,000