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Additional Financial Information - Components of Receivables, Net (Detail) - USD ($)
$ in Millions
Mar. 31, 2017
Jun. 30, 2016
Receivables [Abstract]    
Receivables $ 1,540 $ 1,442
Allowance for sales returns (173) (170)
Allowances for doubtful accounts (41) (43)
Receivables, net $ 1,326 $ 1,229