Net Income (Loss) Per Common Share - Additional Information (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Jul. 03, 2020	Apr. 03, 2020	Jan. 03, 2020	Oct. 04, 2019	Jun. 28, 2019	Mar. 29, 2019	Dec. 28, 2018	Sep. 28, 2018	Jul. 03, 2020	Jun. 28, 2019	Jun. 29, 2018
Earnings Per Share [Abstract]
Net income (loss)	$ 148	$ 17	$ (139)	$ (276)	$ (197)	$ (581)	$ (487)	$ 511	$ (250)	$ (754)	$ 675
Weighted average shares outstanding:
Basic (in shares)									298	292	297
Employee stock options, RSUs, PSUs, ESPP (in shares)									0	0	10
Diluted (in shares)									298	292	307
Income (loss) per common share
Basic (in dollars per share)									$ (0.84)	$ (2.58)	$ 2.27
Diluted (in dollars per share)	$ 0.49	$ 0.06	$ (0.47)	$ (0.93)	$ (0.67)	$ (1.99)	$ (1.68)	$ 1.71	$ (0.84)	$ (2.58)	$ 2.20
Anti-dilutive potential common shares excluded (in shares)									15	17	2