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Earnings Per Share (Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share) (Details) - shares
shares in Millions
12 Months Ended
Jun. 30, 2017
Jul. 01, 2016
Jul. 03, 2015
Employee equity award plans      
Antidilutive securities excluded from computation of earnings per share      
Potential common shares excluded from the computation of diluted net income (loss) per share (in shares) 1 3 0