(Loss) Earnings Per Share - Computation of Basic and Diluted (Loss) Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended								12 Months Ended
		Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Earnings Per Share [Abstract]
(Loss) income from continuing operations										$ (1,444)	$ (643)	$ 235
Less: Net income attributable to noncontrolling interests										(70)	(95)	(71)
Less: Redeemable preferred stock dividends	[1]									(2)	(2)	(2)
(Loss) income from continuing operations available to News Corporation stockholders										(1,516)	(740)	162
Income (loss) from discontinued operations, net of tax, available to News Corporation stockholders										0	0	15
Net income available to News Corporation stockholders										$ (1,516)	$ (740)	$ 177
Weighted-average number of shares of common stock outstanding-basic										582.7	581.4	580.6
Dilutive effect of equity awards	[2]									0.0	0.0	1.9
Weighted-average number of shares of common stock outstanding-diluted										582.7	581.4	582.5
(Loss) income from continuing operations available to News Corporation stockholders per share-basic and diluted										$ (2.60)	$ (1.27)	$ 0.28
Income from discontinued operations available to News Corporation stockholders per share-basic and diluted										0.00	0.00	0.02
Net (loss) income available to News Corporation stockholders per share-basic and diluted		$ (0.64)	$ (1.94)	$ (0.14)	$ 0.12	$ (0.74)	$ (0.01)	$ (0.50)	$ (0.03)	$ (2.60)	$ (1.27)	$ 0.30

[1] Refer to Note 10-Redeemable Preferred Stock

[2] The dilutive impact of the Company's PSUs, RSUs and stock options has been excluded from the calculation of diluted (loss) earnings per share for the fiscal years ended June 30, 2018 and 2017 because their inclusion would have an antidilutive effect on the net loss per share.