Borrowings - Schedule of Borrowings (Detail) - USD ($) $ in Millions		Dec. 31, 2016	Jun. 30, 2016
Debt Instrument [Line Items]
Total debt		$ 355	$ 372
Less: Current portion	[1]	(87)	(3)
Total long-term debt		268	369
Facility Due December 2017 [Member]
Debt Instrument [Line Items]
Total debt		86	90
Facility Due December 2018 [Member]
Debt Instrument [Line Items]
Total debt		86	90
Facility Due December 2019 [Member]
Debt Instrument [Line Items]
Total debt		172	179
Other Obligations [Member]
Debt Instrument [Line Items]
Total debt		$ 11	$ 13

[1] The current portion of long term debt is included in Other current liabilities. See Note 14-Additional Financial Information.