Shareholders' Equity - Stock Option Activity (Details) $ / shares in Units, shares in Millions, $ in Millions	6 Months Ended
	Jan. 03, 2020 USD ($) $ / shares shares
Number of Shares
Options outstanding, beginning balance, shares | shares	3.9
Exercised, shares | shares	(0.6)
Canceled or expired, shares | shares	(0.3)
Options outstanding, ending balance, shares | shares	3.0
Exercisable, period end, shares | shares	2.7
Weighted Average Exercise Price Per Share
Options outstanding, beginning balance, exercise price, in dollars per share | $ / shares	$ 65.72
Exercised, exercise price, in dollars per share | $ / shares	43.48
Canceled or expired, exercise price, in dollars per share | $ / shares	93.23
Options outstanding, ending balance, exercise price, in dollars per share | $ / shares	67.85
Exercisable, period end, exercise price, in dollars per share | $ / shares	$ 70.60
Aggregate Intrinsic Value
Exercised, intrinsic value | $	$ 8
Options outstanding, ending balance, intrinsic value | $	28
Exercisable, period end, intrinsic value | $	$ 22
Options outstanding, weighted average remaining contractual term	2 years 7 months 6 days
Exercisable, period end, weighted average remaining contractual life	2 years 6 months