Pensions and Other Post-retirement Benefit Plans - Unfunded Amounts Recognized on Consolidated Balance Sheet (Detail) - Japan pension benefits [Member] - USD ($) $ in Millions	Oct. 02, 2015	Jul. 03, 2015
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	$ 1	$ 1
Non-current liabilities	45	45
Net amount recognized	$ 46	$ 46