Investments - Schedule of Investments (Detail) In Millions, unless otherwise specified	Dec. 31, 2014 USD ($)		Jun. 30, 2014 USD ($)		Dec. 31, 2014 Loan Receivable from Foxtel [Member] USD ($)		Dec. 31, 2014 Loan Receivable from Foxtel [Member] AUD	Jun. 30, 2014 Loan Receivable from Foxtel [Member] USD ($)		Dec. 31, 2014 Foxtel [Member] USD ($)		Jun. 30, 2014 Foxtel [Member] USD ($)		Dec. 31, 2014 Other Equity Method Investments [Member] USD ($)		Jun. 30, 2014 Other Equity Method Investments [Member] USD ($)
Schedule of Investments [Line Items]
Equity method investments										$ 1,603	[1]	$ 1,869	[1]	$ 176	[2]	$ 24	[2]
Other investments					366	[3]	451	425	[3]
Available-for-sale securities	122		151
Cost method investments	199	[4]	140	[4]
Total Investments	$ 2,466		$ 2,609
Equity method investment, ownership percentage										50.00%	[1]

[1] The change in the Foxtel investment for the six months ended December 31, 2014 was primarily due to the impact of foreign currency fluctuations.

[2] In July 2014, REA Group purchased a 17.22% interest in iProperty Group Limited (ASX: IPP) ("iProperty") for total cash consideration of approximately $100 million. iProperty has online property advertising operations primarily in Malaysia, Indonesia, Hong Kong, Macau 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. Upon completion of the transaction and including an acquisition of additional shares of iProperty in October 2014, REA Group owns an approximate 19.9% interest in iProperty, and retroactively applied the equity method of accounting in the second quarter of fiscal 2015 in accordance with ASC 323, "Investments - Equity Method and Joint Ventures". The carrying value of the investment in iProperty was $96 million as of December 31, 2014.

[3] In May 2012, Foxtel purchased Austar United Communications Ltd. The transaction was funded by Foxtel bank debt and Foxtel's shareholders made pro rata capital contributions 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 ($366 million and $425 million as of December 31, 2014 and June 30, 2014, respectively). The subordinated shareholder note can be repaid beginning in July 2022 provided that Foxtel's senior debt has been repaid. The subordinated shareholder note has 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.

[4] 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 owns a 12.1% interest, acquired the online employment businesses of JobStreet Corporation Berhad ("JobStreet"), which have been combined with JobsDB, Inc., SEEK Asia's existing online employment business. The transaction was funded primarily through additional contributions by SEEK Asia shareholders. The Company's share of the funding contribution was approximately $60 million and the Company continues to hold a 12.1% investment in SEEK Asia following the transaction.