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Other Deductions, Net (Tables)
12 Months Ended
Sep. 30, 2011
Other Deductions, Net [Abstract] 
Schedule Of Other Deductions, Net
                         
   
2009
   
2010
   
2011
 
Amortization of intangibles (intellectual property and customer relationships)
  $ 108       176       261  
Rationalization of operations
    284       126       81  
Other
    121       71       57  
Gains, net
    (39 )     (4 )     (24 )
Total
  $ 474       369       375