Shareholders' Equity - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jul. 02, 2021	Jul. 03, 2020	Jun. 28, 2019
Number of Shares
Options outstanding, beginning balance (in shares)	2,700,000	3,900,000	4,800,000
Exercised (in shares)	(400,000)	(800,000)	(400,000)
Canceled or expired (in shares)	(800,000)	(400,000)	(500,000)
Options outstanding, ending balance (in shares)	1,500,000	2,700,000	3,900,000
Weighted Average Exercise Price Per Share
Options outstanding, beginning balance, exercise price (in dollars per share)	$ 69.16	$ 65.72	$ 64.23
Exercised, exercise price (in dollars per share)	44.34	43.26	39.58
Canceled or expired, exercise price (in dollars per share)	75.42	88.58	74.79
Options outstanding, ending balance, exercise price (in dollars per share)	$ 72.84	$ 69.16	$ 65.72
Aggregate Intrinsic Value
Exercised, intrinsic value	$ 6	$ 12	$ 8
Options outstanding, ending balance, intrinsic value	$ 15
Options outstanding, weighted average remaining contractual term	1 year 2 months 12 days
Options granted (in shares)	0	0	0