Shareholders' Equity Stock Option Activity (Detail) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Sep. 29, 2017 USD ($) $ / shares shares
Number of Shares
Options outstanding, beginning balance, shares | shares	7.4
Exercised, shares | shares	(0.5)
Forfeited or expired, shares | shares	(0.1)
Options outstanding, ending balance, shares | shares	6.8
Exercisable, period end, shares | shares	3.8
Weighted Average Exercise Price Per Share
Options outstanding, beginning balance, exercise price, in dollars per share | $ / shares	$ 58.14
Exercised, exercise price, in dollars per share | $ / shares	41.12
Forfeited or expired, exercise price, in dollars per share | $ / shares	71.99
Options outstanding, ending balance, in dollars per share | $ / shares	59.06
Exercisable, period end, exercise price, in dollars per share | $ / shares	$ 61.96
Aggregate Intrinsic Value
Exercised, intrinsic value | $	$ 21
Options outstanding, ending balance, intrinsic value | $	204
Exercisable, period end, intrinsic value | $	$ 106
Options outstanding, weighted average remaining contractual term	4 years 4 months
Exercisable, period end, weighted average remaining contractual life	3 years 5 months