Net Income (Loss) Per Common Share Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Mar. 30, 2018	Mar. 31, 2017	Mar. 30, 2018	Mar. 31, 2017
Earnings Per Share [Abstract]
Net income (loss)		$ 61	$ 248	$ (81)	$ 117
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic (in shares)		298	289	296	287
Employee stock options, RSUs, PSUs, ESPP (in shares)		10	10	0	8
Diluted (in shares)		308	299	296	295
Income (loss) per common share
Basic (in dollars per share)		$ 0.20	$ 0.86	$ (0.27)	$ 0.41
Diluted (in dollars per share)		$ 0.20	$ 0.83	$ (0.27)	$ 0.40
Anti-dilutive potential common shares excluded (in shares)	[1]	2	2	13	4

[1] For purposes of computing diluted income (loss) per common share, certain potentially dilutive securities have been excluded from the calculation because their effect would have been anti-dilutive.