Pensions and Other Post-retirement Benefit Plans Unfunded Amounts Recognized on Consolidated Balance Sheets (Detail) - Japan Pension Benefits [Member] - USD ($) $ in Millions	Mar. 31, 2017	Jul. 01, 2016
Defined Benefit Plan Disclosure [Line Items]
Non-current liabilities	$ 94	$ 114
Net amount recognized	$ 94	$ 114