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		9 Months Ended
		Apr. 01, 2016	Apr. 03, 2015	Apr. 01, 2016	Apr. 03, 2015
Earnings Per Share [Abstract]
Net income		$ 74	$ 384	$ 608	$ 1,245
Weighted average shares outstanding:
Basic		233	231	232	233
Employee stock options and other		1	5	2	5
Diluted		234	236	234	238
Income per common share:
Basic		$ 0.32	$ 1.66	$ 2.62	$ 5.34
Diluted		$ 0.32	$ 1.63	$ 2.60	$ 5.23
Anti-dilutive potential common shares excluded*	[1]	6	1	5	1

[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.