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		9 Months Ended
	Mar. 31, 2017	Apr. 01, 2016	Mar. 31, 2017	Apr. 01, 2016
Numerator:
Net income (loss)	$ 194	$ (21)	$ 658	$ 178
Number of shares used in per share calculations:
Total shares for purposes of calculating basic net income (loss) per share	296	298	297	300
Weighted-average effect of dilutive securities:
Employee equity award plans	4	0	2	3
Total shares for purpose of calculating diluted net income (loss) per share	300	298	299	303
Net income (loss) per share:
Basic net income per share (in dollars per share)	$ 0.66	$ (0.07)	$ 2.22	$ 0.59
Diluted net income per share (in dollars per share)	$ 0.65	$ (0.07)	$ 2.20	$ 0.59
Antidilutive securities excluded from computation of Earnings Per Share, amount	1	4	2	2