Shareholders' Equity Stock Option Activity (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	9 Months Ended	12 Months Ended
	Mar. 31, 2017	Jul. 01, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Options outstanding, Beginning Balance, Number of Shares	9.0
Granted, Number of Shares	2.8
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 44.83
Exercised, Number of Shares	(2.4)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	$ 34.27
Forfeited or expired, Number of Shares	(0.8)
Options outstanding, Ending Balance, Number of Shares	8.6	9.0
Exercisable at March 31, 2017	4.0
Vested and expected to vest after March 31, 2017	8.3
Options outstanding, Beginning Balance, Weighted Average Exercise Price Per Share	$ 55.74
Forfeited or expired, Weighted Average Exercise Price Per Share	73.01
Options outstanding, Ending Balance, Weighted Average Exercise Price Per Share	56.66	$ 55.74
Exercisable at March 31, 2017	57.96
Vested and expected to vest after March 31, 2017	$ 56.88
Options outstanding at March 31, 2017	4 years 5 months	3 years 11 months
Vested and expected to vest after March 31, 2017	4 years 5 months
Exercisable at March 31, 2017	3 years
Options outstanding at July 1, 2016	$ 60
Options outstanding at March 31, 2017	245	$ 60
Exercisable at March 31, 2017	115
Vested and expected to vest after March 31, 2017	$ 235