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Commitments, Contingent Liabilities and Litigation (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Commitments and Contingencies Disclosure [Abstract]      
Future minimum rental payments due, 2013 $ 83    
Future minimum rental payments due, 2014 64    
Future minimum rental payments due, 2015 48    
Future minimum rental payments due, 2016 35    
Future minimum rental payments due, 2017 25    
Future minimum rental payments due, thereafter 45    
Operating Leases, Rent Expense 86 79 80
Litigation Settlement Income, Gross     41
Gain Contingencies [Line Items]      
Unusual or Infrequent Item, Insurance Proceeds     27
Insurance Settlement
     
Gain Contingencies [Line Items]      
Unusual or Infrequent Item, Insurance Proceeds     26
Interest Income
     
Gain Contingencies [Line Items]      
Unusual or Infrequent Item, Insurance Proceeds     $ 1