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Other Deductions, Net (Schedule Of Other Deductions, Net) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Other deductions, net [Line Items]    
Amortization of intangibles $ 57 $ 59
Rationalization of operations 13 16
Other 25 11
Total 95 86
Research credit   $ 13