Related Party Transactions and Relationship with 21st Century Fox Investment - Schedule of Amount of Accounts Receivable Due from and Payable to Related Parties (Detail) - USD ($) $ in Millions	Jun. 30, 2015	Jun. 30, 2014
Related Party Transactions [Abstract]
Accounts receivable from related parties	$ 3	$ 2
Notes receivable from related parties	345	425
Accounts payable to related parties	$ 0	$ 0