Earnings (Loss) Per Share - Computation of Basic And Diluted Earnings (Loss) Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share [Abstract]
Net income (loss)		$ 103	$ 119	$ (108)	$ 247
Less: Net income attributable to noncontrolling interests		(18)	(24)	(34)	(51)
Net income (loss) attributable to News Corporation stockholders		$ 85	$ 95	$ (142)	$ 196
Weighted-average number of shares of common stock outstanding - basic		588.2	584.9	587.4	584.4
Dilutive effect of equity awards	[1]	2.1	2.2	0.0	1.9
Weighted-average number of shares of common stock outstanding - diluted		590.3	587.1	587.4	586.3
Net income (loss) attributable to News Corporation stockholders per share - basic		$ 0.15	$ 0.16	$ (0.24)	$ 0.34
Net income (loss) attributable to News Corporation stockholders per share - diluted		$ 0.14	$ 0.16	$ (0.24)	$ 0.33

[1] The dilutive impact of the Company’s performance stock units, restricted stock units and stock options has been excluded from the calculation of diluted loss per share for the six months ended December 31, 2019 because their inclusion would have an antidilutive effect on the net loss per share.