Investments - Schedule of Summarized Financial Information (Detail) (Foxtel [Member], USD $) In Millions, unless otherwise specified	6 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Foxtel [Member]
Schedule of Equity Method Investments [Line Items]
Revenues	$ 1,457		$ 1,605
Operating income	260	[1]	214	[1]
Net income	$ 122		$ 60

[1] Includes Depreciation and amortization of $171 million and $229 million for the six months ended December 31, 2013 and 2012, respectively. Operating income before depreciation and amortization was $431 million and $443 million for the six months ended December 31, 2013 and 2012, respectively.