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Consolidated Valuation and Qualifying Accounts (Detail) - Allowance for Doubtful Accounts [Member] - USD ($)
$ in Millions
12 Months Ended
Jul. 03, 2015
Jun. 27, 2014
Jun. 28, 2013
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning balance $ 11 $ 9 $ 9
Additions charged to operations   3 8
Deductions (4) (1) (10)
Recovery     2
Ending balance $ 7 $ 11 $ 9