Investments - Schedule of Earnings of Equity Affiliates (Detail) - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Schedule of Equity Method Investments [Line Items]
Equity earnings of affiliates		$ 30	$ 58	$ 90
Foxtel [Member]
Schedule of Equity Method Investments [Line Items]
Equity earnings of affiliates	[1]	38	59	90
Other Equity Affiliates, Net [Member]
Schedule of Equity Method Investments [Line Items]
Equity earnings of affiliates		$ (8)	$ (1)	$ 0

[1] (a) In accordance with ASC 350, the Company amortized $52 million, $57 million and $62 million related to excess cost over the Company's proportionate share of its investment's underlying net assets allocated to finite-lived intangible assets during the fiscal years ended June 30, 2016, 2015 and 2014, respectively. Such amortization is reflected in Equity earnings of affiliates in the Statements of Operations.