XML 37 R28.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Special Items, Net (Details 1) (USD $)
In Millions
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Special Items, Net (Textuals) [Abstract]        
Other Costs $ 6 $ 7 $ 9 $ 7
Refund of ASIF previously paid to TSA from 2005 to 2009   16   16
Aircraft costs as a result of capacity reductions       5
US Airways, Inc. [Member]
       
Special Items, Net (Textuals) [Abstract]        
Other Costs 6 7 9 7
Refund of ASIF previously paid to TSA from 2005 to 2009   16   16
Aircraft costs as a result of capacity reductions       $ 5