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EXCEL - IDEA: XBRL DOCUMENT - US AIRWAYS GROUP INCFinancial_Report.xls
10-Q - FORM 10-Q - US AIRWAYS GROUP INCd317340d10q.htm
XML - IDEA: XBRL DOCUMENT - US AIRWAYS GROUP INCR3.htm
XML - IDEA: XBRL DOCUMENT - US AIRWAYS GROUP INCR4.htm
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EX-31.4 - EX-31.4 - US AIRWAYS GROUP INCd317340dex314.htm
EX-31.2 - EX-31.2 - US AIRWAYS GROUP INCd317340dex312.htm
EX-32.2 - EX-32.2 - US AIRWAYS GROUP INCd317340dex322.htm
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EX-32.1 - EX-32.1 - US AIRWAYS GROUP INCd317340dex321.htm
EX-31.1 - EX-31.1 - US AIRWAYS GROUP INCd317340dex311.htm
XML - IDEA: XBRL DOCUMENT - US AIRWAYS GROUP INCR20.htm
v2.4.0.6
Slot Transaction (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Sep. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Slot
Slot Transaction (Textual) [Abstract]      
Pairs of slots transferred by parent to Other airline     132
Divestiture of slot pairs, LaGuardia     16
Divestiture of slot pairs, Washington National     8
Fair value of slot transaction     $ 223
Deferred gain from slot transaction     147
Recognized or expected recognition of gain resulting from slot transaction in accordance with lapse of DOT restrictions 74 73  
Pairs of slots to be transferred by Other Airline to Parent, number     42
Cash received in slot transaction     66.5
US Airways, Inc [Member]
     
Slot Transaction (Textual) [Abstract]      
Pairs of slots transferred by parent to Other airline     132
Divestiture of slot pairs, LaGuardia     16
Divestiture of slot pairs, Washington National     8
Fair value of slot transaction     223
Deferred gain from slot transaction     147
Recognized or expected recognition of gain resulting from slot transaction in accordance with lapse of DOT restrictions 74 73  
Pairs of slots to be transferred by Other Airline to Parent, number     42
Cash received in slot transaction     $ 66.5