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Other Deductions, Net
 3 Months Ended
Dec. 31, 2012
Other Deductions, Net [Abstract]  
Other Deductions, Net
Other deductions, net are summarized below (in millions):
 
Three Months Ended December 31,
 
2011

 
2012

Amortization of intangibles
$
58

 
59

Rationalization of operations
23

 
16

Other
11

 
11

Gains, net
(2
)
 
—

Total
$
90

 
86