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Other Deductions, Net (Details) (USD $)
In Millions
3 Months Ended 9 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Other Deductions, Net        
Amortization of intangibles $ 64 $ 44 $ 195 $ 124
Rationalization of operations 21 27 54 101
Other 2 (2) 39 31
Gains, net 0 0 (22) (3)
Total 87 69 266 253
Gain related to acquisition of joint venture     $ 15