Subsequent Events- Additional Information (Detail) $ in Millions, $ in Millions		Apr. 30, 2020 AUD ($)	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)
Subsequent Event [Line Items]
Long term debt	[1]		$ 1,115	$ 1,453
Subsequent Event [Member] | REA Group [Member]
Subsequent Event [Line Items]
Credit facility maximum capacity		$ 20.0
Long term debt		$ 148.5

[1] The Company’s outstanding borrowings as of March 31, 2020 were incurred by Foxtel and REA Group, consolidated but non wholly-owned subsidiaries of News Corp. These borrowings are only guaranteed by Foxtel and REA Group and their respective subsidiaries, as applicable, and are non-recourse to News Corp.