Description of Business and Basis of presentation (Detail)		1 Months Ended
		Apr. 30, 2018	Jun. 30, 2018
New Foxtel [Member]
Ownership interest		65.00%
FOX SPORTS Australia [Member] | New Foxtel [Member]
Company ownership percentage		100.00%
Telstra [Member] | New Foxtel [Member]
Ownership interest held by minority interest		35.00%
Foxtel [Member]
Equity method investment, ownership percentage	[1]		65.00%
Foxtel [Member] | New Foxtel [Member]
Equity method investment, ownership percentage		50.00%

[1] 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.