v2.4.0.8
Allowance for Doubtful Accounts (Detail) (Allowance for doubtful accounts, USD $)
In Millions, unless otherwise specified
12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Allowance for doubtful accounts
     
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance, beginning of period $ 336 $ 389 $ 333
Charged to costs and other 16 4 115
Write-offs (51) (57) (59)
Balance, end of period $ 301 $ 336 $ 389