Investments - Schedule of Summarized Financial Information (Detail) - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Schedule of Equity Method Investments [Line Items]
Revenues		$ 2,658	$ 2,897	$ 3,872
Operating income		441	554	675
Net income		232	304	357
Current assets		480	490
Non-current assets		2,490	2,805
Current liabilities		732	817
Non-current liabilities		2,550	2,887
Foxtel [Member]
Schedule of Equity Method Investments [Line Items]
Revenues		2,658	2,897	3,184
Operating income	[1]	441	554	491
Net income		$ 232	$ 304	$ 240

[1] Includes Depreciation and amortization of $319 million, $349 million and $441 million for the fiscal years ended June 30, 2015, 2014 and 2013, respectively. Operating income before depreciation and amortization was $760 million, $903 million and $932 million for the fiscal years ended June 30, 2015, 2014 and 2013, respectively.