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		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Net (loss) income	$ (1,036)	$ 23	$ (1,144)	$ 270
Less: Net loss (income) attributable to noncontrolling interests	306	(13)	272	(64)
Net (loss) income attributable to News Corporation stockholders	$ (730)	$ 10	$ (872)	$ 206
Weighted-average number of shares of common stock outstanding - basic	588.3	585.0	587.7	584.6
Dilutive effect of equity awards	0.0	3.8	0.0	2.6
Weighted-average number of shares of common stock outstanding - diluted	588.3	588.8	587.7	587.2
Net (loss) income attributable to News Corporation stockholders per share - basic and diluted	$ (1.24)	$ 0.02	$ (1.48)	$ 0.35