Leases - Operating Lease Costs (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 02, 2020	Oct. 04, 2019	Jul. 03, 2020
Leases [Abstract]
Operating lease cost	$ 3	$ 6
Variable lease cost	1	1
Total lease cost	4	7
Operating cash outflows from operating leases	$ 4	$ 4
Weighted-average remaining lease term	13 years 1 month 6 days		13 years 2 months 12 days
Weighted-average discount rate	6.46%		6.53%