Pensions and Other Post-retirement Benefit Plans Unfunded Amounts Recognized on Consolidated Balance Sheets (Details) - Japanese Plan - USD ($) $ in Millions	Mar. 30, 2018	Jun. 30, 2017
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Current liabilities	$ 1	$ 1
Non-current liabilities	57	59
Net amount recognized	$ 58	$ 60