Borrowings - Schedule of Borrowings (Detail) - USD ($) $ in Millions		Mar. 31, 2017	Jun. 30, 2016
Debt Instrument [Line Items]
Total debt		$ 376	$ 372
Less: Current portion of long-term debt	[1]	(103)	(3)
Total long-term debt		273	369
Facility Due December 2017 [Member]
Debt Instrument [Line Items]
Total debt		91	90
Facility Due December 2018 [Member]
Debt Instrument [Line Items]
Total debt		91	90
Facility Due December 2019 [Member]
Debt Instrument [Line Items]
Total debt		183	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).