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Discontinued Operations (Tables)
6 Months Ended
Mar. 31, 2012
Discontinued Operations Tables [Abstract]  
Discontinued Operations
            
   Six Months Ended
Discontinued Operations   March 31,
(in millions)    2012 2011
            
Revenues from discontinued operations      $ - $ 49
            
Pre-tax loss from discontinued operations      $ (383) $ (23)
Income tax provision        1   13
Net loss from discontinued operations      $ (382) $ (10)