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Consolidated Valuation and Qualifying Accounts Consolidated Valuation and Qualifying Accounts (Detail) - Allowance for Doubtful Accounts [Member] - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2017
Jul. 01, 2016
Movement in Valuation Allowances and Reserves [Roll Forward]    
Beginning balance $ 10 $ 7
Balance assumed as a result of SanDisk acquisition   6
Additions charged to operations 3  
Deductions (3) (3)
Ending balance $ 10 $ 10