Investments - Schedule of Summarized Financial Information (Parenthetical) (Detail) (Foxtel [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
Sep. 30, 2014	Sep. 30, 2013
Foxtel [Member]
Schedule of Equity Method Investments [Line Items]
Depreciation and amortization	$ 88	$ 86
Operating income before depreciation and amortization	$ 225	$ 221

Equity Method Investment Summarized Financial Information Operating Income Loss Less Depreciation And Amortization

No definition available.

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