Investments - Schedule of Investments (Detail) AUD in Millions, $ in Millions		Mar. 31, 2016 USD ($)		Mar. 31, 2016 AUD	Jun. 30, 2015 USD ($)
Schedule of Investments [Line Items]
Available-for-sale securities	[1]	$ 182			$ 185
Cost method investments	[2]	209			205
Total Investments		2,264			2,379
Other Equity Method Investments [Member]
Schedule of Investments [Line Items]
Equity method investments	[3]	107			168
Foxtel [Member]
Schedule of Investments [Line Items]
Equity method investments	[4]	1,427			1,476
Loan receivable from Foxtel		$ 339	[5]	AUD 451	$ 345	[5]
Equity method investment, ownership percentage	[4]	50.00%		50.00%

[1] Available-for-sale securities primarily include the Company's investments in The Rubicon Project, Inc. and APN News and Media Limited ("APN"). During fiscal 2015, the Company purchased a 14.99% interest in APN for approximately $112 million. APN operates a portfolio of Australian and New Zealand radio and outdoor media assets and small regional print interests.

[2] Cost method investments primarily include the Company's investment in SEEKAsia Limited ("SEEK Asia") and certain investments in China. In November 2014, SEEK Asia, in which the Company owned a 12.1% interest, acquired the online employment businesses of JobStreet Corporation Berhad ("JobStreet"), which were combined with JobsDB, Inc., SEEK Asia's existing online employment business. The transaction was funded primarily through additional contributions by SEEK Asia shareholders which did not have an impact on the Company's ownership. The Company's share of the funding contribution was approximately $60 million. In June 2015, the Company purchased an additional 0.8% interest in SEEK Asia for approximately $7 million, which increased the Company's investment to approximately 12.9%.

[3] Other equity method investments as of June 30, 2015 primarily included REA Group's investment in iProperty. In July 2014, REA Group purchased a 17.22% interest in iProperty for total cash consideration of approximately $100 million. iProperty has online property advertising operations primarily in Malaysia, Indonesia, Hong Kong, Thailand and Singapore. In December 2014, REA Group sold Squarefoot, its Hong Kong based business, to iProperty in exchange for an additional 2.2% interest in iProperty. As of June 30, 2015, REA Group owned an approximate 19.9% interest in iProperty. In February 2016, REA Group increased its ownership interest in iProperty to approximately 86.9% for A$482 million (approximately $340 million) and its results are now consolidated within the Digital Real Estate Services Segment. Refer to Note 2-Acquisitions, Disposals and Other Transactions for further details regarding the iProperty acquisition.

[4] The change in the Foxtel investment for the nine months ended March 31, 2016 was primarily due to the impact of foreign currency fluctuations.

[5] In May 2012, Foxtel purchased Austar United Communications Ltd. The transaction was funded by Foxtel bank debt and pro rata capital contributions made by Foxtel shareholders in the form of subordinated shareholder notes based on their respective ownership interests. The Company's share of the subordinated shareholder notes was approximately A$451 million ($339 million and $345 million as of March 31, 2016 and June 30, 2015, respectively). The subordinated shareholder notes can be repaid beginning in July 2022 provided that Foxtel's senior debt has been repaid. The subordinated shareholder notes have a maturity date of July 15, 2027, with interest of 12% payable on June 30 each year and at maturity. Upon maturity, the principal advanced will be repayable.