Fair Value (Schedule of Fair Value, by Balance Sheet Grouping, Measured on Recurring Basis) (Details) - Recurring basis [Member] - USD ($) $ in Millions	Apr. 02, 2021	Jul. 03, 2020
Assets:
Cash and cash equivalents	$ 530	$ 549
Other current assets	8	8
Other current assets	18	18
Total assets	556	575
Liabilities:
Accrued expenses	16	29
Total liabilities	16	(29)
Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Assets:
Cash and cash equivalents	530	494
Other current assets	1	1
Other current assets	0	0
Total assets	531	495
Liabilities:
Accrued expenses	0	0
Total liabilities	0	0
Significant Other Observable Inputs (Level 2) [Member]
Assets:
Cash and cash equivalents	0	55
Other current assets	7	7
Other current assets	0	0
Total assets	7	62
Liabilities:
Accrued expenses	16	29
Total liabilities	16	(29)
Significant Unobservable Inputs (Level 3) [Member]
Assets:
Cash and cash equivalents	0	0
Other current assets	0	0
Other current assets	18	18
Total assets	18	18
Liabilities:
Accrued expenses	0	0
Total liabilities	$ 0	$ 0