Borrowings - Schedule of Borrowings (Detail) - USD ($) $ in Millions	Sep. 30, 2016	Jun. 30, 2016
Debt Instrument [Line Items]
Total debt	$ 381	$ 372
Less: Current portion	(4)	(3)
Total long-term debt	377	369
Facility Due December 2017 [Member]
Debt Instrument [Line Items]
Total debt	92	90
Facility Due December 2018 [Member]
Debt Instrument [Line Items]
Total debt	92	90
Facility Due December 2019 [Member]
Debt Instrument [Line Items]
Total debt	183	179
Other Obligations [Member]
Debt Instrument [Line Items]
Total debt	$ 14	$ 13

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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