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Gains (Losses) on Fair Value Hedges and Related Hedged Items (Detail) (USD $)
In Millions
12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2009
Foreign Exchange Contracts
     
Derivative Instruments, Gain (Loss) [Line Items]      
Derivatives $ (92) $ (57) $ 121
Hedged items 85 60 (120)
Total (7) 3 1
Equity Contracts
     
Derivative Instruments, Gain (Loss) [Line Items]      
Derivatives 0 0 191
Hedged items 0 0 (211)
Total $ 0 $ 0 $ (20)