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Other (Income) Expense - Net (Other (Income) Expense - Net) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Other (Income) Expense - Net [Abstract]    
Net gain on marketable securities transactions $ (2) $ (5)
Charges from debt buyback or exchange   12
Other - net 14 11
Total other (income) expense - net $ 12 $ 18