Investments - Schedule of Summarized Financial Information (Detail) - Foxtel [Member] - USD ($) $ in Millions		9 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Schedule of Equity Method Investments [Line Items]
Revenues		$ 1,763	$ 2,028
Operating income	[1]	269	343
Net income		$ 126	$ 184

[1] Includes Depreciation and amortization of $170 million and $243 million for the nine months ended March 31, 2016 and 2015, respectively. Operating income before depreciation and amortization was $439 million and $586 million for the nine months ended March 31, 2016 and 2015, respectively.