Shareholders' Equity Stock Option Activity (Detail) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Sep. 28, 2018 USD ($) $ / shares shares
Number of Shares
Options outstanding, beginning balance, shares | shares	4.8
Exercised, shares | shares	(0.2)
Canceled or expired, shares | shares	(0.1)
Options outstanding, ending balance, shares | shares	4.5
Exercisable, period end, shares | shares	3.1
Weighted Average Exercise Price Per Share
Options outstanding, beginning balance, exercise price, in dollars per share | $ / shares	$ 64.23
Exercised, exercise price, in dollars per share | $ / shares	37.26
Canceled or expired, exercise price, in dollars per share | $ / shares	66.44
Options outstanding, ending balance, exercise price, in dollars per share | $ / shares	65.38
Exercisable, period end, exercise price, in dollars per share | $ / shares	$ 71.72
Aggregate Intrinsic Value
Exercised, intrinsic value | $	$ 6
Options outstanding, ending balance, intrinsic value | $	36
Exercisable, period end, intrinsic value | $	$ 19
Options outstanding, weighted average remaining contractual term	3 years 6 months
Exercisable, period end, weighted average remaining contractual life	3 years