Investments - Schedule of Summarized Financial Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012
Schedule of Equity Method Investments [Line Items]
Revenues	$ 2,897		$ 3,872		$ 3,610
Operating income	554		675		616
Net income	304		357		352
Current assets	490		466
Non-current assets	2,805		2,752
Current liabilities	817		1,005
Non-current liabilities	2,887		2,583
Foxtel [Member]
Schedule of Equity Method Investments [Line Items]
Revenues	2,897		3,184		2,430
Operating income	554	[1]	491	[1]	317	[1]
Net income	$ 304		$ 240		$ 205

[1] Includes Depreciation and amortization of $349 million, $441 million and $327 million for the fiscal years ended June 30, 2014, 2013 and 2012, respectively. Operating income before depreciation and amortization was $903 million, $932 million and $644 million for the fiscal years ended June 30, 2014, 2013 and 2012, respectively.