Related Party Transactions and Relationship with 21st Century Fox Investment - Schedule of Components of Net Decrease in Investment (Parenthetical) (Detail) - USD ($) $ in Millions	Jun. 30, 2015	Jun. 30, 2014	Sep. 30, 2013	Jun. 30, 2013
Related Party Transaction [Line Items]
Receivable from related party	$ 3	$ 2
Deferred tax asset	1,927	1,792
21st Century Fox [Member]
Related Party Transaction [Line Items]
Receivable from related party				$ 207
Accounts due from related party	63	$ 66		247	[1]
Deferred tax asset, net of valuation allowance				378
Deferred tax asset				$ 429
U.K. Newspaper Matters Indemnification [Member] | 21st Century Fox [Member]
Related Party Transaction [Line Items]
Accounts due from related party	$ 63		$ 40

[1] The amounts due from 21st Century Fox consisted of a receivable of $207 million related to the final cash distribution which was received from 21st Century Fox during the first quarter of fiscal 2014 and $40 million related to the indemnification of certain costs related to the U.K. Newspaper Matters as discussed below.