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Shareholders' Equity - 2017 Performance Incentive Plan and ESPP (Details) $ in Millions	12 Months Ended
	Jul. 03, 2020 USD ($) legalEntity shares	Jun. 28, 2019 USD ($) shares	Jun. 29, 2018 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	10 years
Number of shares authorized	95,600,000
Employee stock plans \| $	$ 69	$ 3	$ 49
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares to be issued for every one share actually issued in connection with award	1
RSUs and PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares to be issued for every one share actually issued in connection with award	1.72
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of eligible compensation authorized	10.00%
Purchase price of common stock, percent	95.00%
Consecutive offering period	24 months
Number of exercise periods \| legalEntity	4
Purchase period	6 months
Employee stock plans (in shares)	3,000,000.0	2,600,000	2,500,000
Employee stock plans \| $	$ 107	$ 102	$ 119
Minimum \| RSUs and PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
Maximum \| RSUs and PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years