v2.4.0.8
Summary of Changes in Accumulated Other Comprehensive Income by Component (Parenthetical) (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Translation adjustments and other, tax effects $ 12 $ (8) $ (165)
Derivatives
     
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Unrealized gains (losses), tax effects 2 54 127
Investments
     
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Unrealized gains (losses), tax effects 1,067 244 (93)
Translation Adjustments and Other
     
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Translation adjustments and other, tax effects $ 12 $ (8) $ (165)