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RISK MANAGEMENT ACTIVITIES AND FAIR VALUE MEASUREMENTS - ADDITIONAL INFORMATION (DETAILS) (USD $)
In Millions
12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Notes to Financial Statements [Abstract]    
Aggregate fair value of credit risk management instruments under standard netting agreements that are in a net liability position $ 143  
Currency effects of net investment hedges reflected in OCI (1,176) 789
Accumulated net balances of net investement hedges $ 4,446 $ 3,270