Earnings Per Share (Schedule of computation of basic and diluted net income (loss) per share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Oct. 02, 2020	Oct. 04, 2019
Numerator:
Net income	$ 223	$ 200
Number of shares used in per share calculations:
Total shares for purposes of calculating basic net income per share	257	266
Weighted-average effect of dilutive securities:
Employee equity award plans	2	4
Total shares for purpose of calculating diluted net income per share	259	270
Net income per share:
Basic (in dollars per share)	$ 0.87	$ 0.75
Diluted (in dollars per share)	$ 0.86	$ 0.74