Income per Common Share - Computation of Basic and Diluted Income Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended
		Oct. 02, 2015	Oct. 03, 2014
Earnings Per Share [Abstract]
Net income		$ 283	$ 423
Weighted average shares outstanding:
Basic		231	234
Employee stock options and other		3	6
Diluted		234	240
Income per common share:
Basic		$ 1.23	$ 1.81
Diluted		$ 1.21	$ 1.76
Anti-dilutive potential common shares excluded*	[1]	4	0

[1] For purposes of computing diluted income per common share, certain potentially dilutive securities have been excluded from the calculation because their effect would have been anti-dilutive.