Investments - Schedule of Investments (Detail) $ in Millions, $ in Millions		Jun. 30, 2018 USD ($)		Jun. 30, 2017 USD ($)		Jun. 30, 2017 AUD ($)
Schedule of Investments [Line Items]
Loan receivable from Foxtel		$ 0		$ 370
Available-for-sale securities	[1],[2]	93		97
Cost method investments	[3]	127		219
Total Investments		393		2,027
Foxtel [Member]
Schedule of Investments [Line Items]
Equity method investment carrying value	[4]	0		1,208
Loan receivable from Foxtel		$ 0	[4]	370	[4]	$ 481
Equity method investment, ownership percentage	[4]	65.00%
Other Equity Method Investments [Member]
Schedule of Investments [Line Items]
Equity method investment carrying value	[5]	$ 173		$ 133

[1] Available-for-sale securities are primarily comprised of the Company's investment in HT&E Limited, which operates a portfolio of Australian radio and outdoor media assets.

[2] See Note 6-Investments.

[3] Cost method investments are primarily comprised of certain investments in China as of June 30, 2018. During the third quarter of fiscal 2018, the Company sold its investment in SEEKAsia Limited for $122 million in cash and recognized a $32 million gain in Other, net. See Note 21-Additional Financial Information.

[4] Following completion of the Transaction in April 2018, News Corp owns a 65% interest in new Foxtel, and Telstra owns the remaining 35%. Consequently, the Company ceased accounting for Foxtel as an equity method investment and began consolidating its results in the fourth quarter of fiscal 2018. See Note 3-Acquisitions, Disposals and Other Transactions.

[5] Other equity method investments are primarily comprised of Elara Technologies Pte. Ltd., which operates PropTiger.com, Makaan.com and Housing.com and new Foxtel's investment in Nickelodeon Australia Joint Venture.