Related Party Transactions - Schedule of Net Revenue from Related Parties (Detail) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Affiliated Entity [Member]
Related Party Transaction [Line Items]
Related party revenue, net of expense	$ 319	$ 281	$ 305

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.

No definition available.

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration