Quarterly Data - Schedule of Quarterly Financial Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended																12 Months Ended
	Jun. 30, 2019		Mar. 31, 2019		Dec. 31, 2018		Sep. 30, 2018		Jun. 30, 2018		Mar. 31, 2018		Dec. 31, 2017		Sep. 30, 2017		Jun. 30, 2019		Jun. 30, 2018		Jun. 30, 2017
Quarterly Financial Information Disclosure [Abstract]
Revenues	$ 2,466	[1],[2]	$ 2,457	[1],[2]	$ 2,627	[1],[2]	$ 2,524	[1],[2]	$ 2,693	[1],[2]	$ 2,093	[1],[2]	$ 2,180	[1],[2]	$ 2,058	[1],[2]	$ 10,074	[3]	$ 9,024	[3]	$ 8,139	[3]
Net income (loss)	(42)		23		119		128		(355)		(1,110)		(66)		87		228		(1,444)		(643)
Net income (loss) attributable to News Corporation stockholders	$ (51)		$ 10		$ 95		$ 101		$ (371)		$ (1,128)		$ (83)		$ 68		$ 155		$ (1,514)		$ (738)
Income (loss) available to News Corporation stockholders per share—basic and diluted	$ (0.09)		$ 0.02		$ 0.16		$ 0.17		$ (0.64)		$ (1.94)		$ (0.14)		$ 0.12

[1] Revenue for the fiscal year ended June 30, 2019 and for the three months ended June 30, 2018 includes the impact of the consolidation of Foxtel.

[2] Revenue for the fiscal year ended June 30, 2019 reflects the adoption of the new revenue recognition standard See Note 3—Revenues.

[3] Revenues are attributed to region based on location of customer.