Equity - Summary of Changes in Equity (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Class of Stock [Line Items]
Beginning balance	$ 9,146	$ 8,389
Net income	267	47
Other comprehensive loss	(158)	113
Dividends	(86)	(79)
Other	(21)	(16)
Ending balance	$ 9,148	8,454
Class A Common Stock
Class of Stock [Line Items]
Beginning balance, shares	391,212,047
Ending balance, shares	393,025,796
Class B Common Stock
Class of Stock [Line Items]
Beginning balance, shares	199,630,240
Ending balance, shares	199,630,240
Common Stock | Class A Common Stock
Class of Stock [Line Items]
Beginning balance	$ 4	$ 4
Beginning balance, shares	391,000,000	389,000,000
Other, shares	2,000,000	2,000,000
Ending balance	$ 4	$ 4
Ending balance, shares	393,000,000	391,000,000
Common Stock | Class B Common Stock
Class of Stock [Line Items]
Beginning balance	$ 2	$ 2
Beginning balance, shares	200,000,000	200,000,000
Ending balance	$ 2	$ 2
Ending balance, shares	200,000,000	200,000,000
Additional Paid-in Capital
Class of Stock [Line Items]
Beginning balance	$ 12,057	$ 12,148
Dividends	(59)	(59)
Other	(18)	(14)
Ending balance	11,980	12,075
Accumulated Deficit
Class of Stock [Line Items]
Beginning balance	(2,911)	(3,241)
Net income	196	34
Other		0
Ending balance	(2,715)	(3,207)
Accumulated Other Comprehensive Loss
Class of Stock [Line Items]
Beginning balance	(941)	(1,331)
Other comprehensive loss	(120)	96
Other		0
Ending balance	(1,061)	(1,235)
Total News Corp Equity
Class of Stock [Line Items]
Beginning balance	8,211	7,582
Net income	196	34
Other comprehensive loss	(120)	96
Dividends	(59)	(59)
Other	(18)	(14)
Ending balance	8,210	7,639
Non-controlling Interests
Class of Stock [Line Items]
Beginning balance	935	807
Net income	71	13
Other comprehensive loss	(38)	17
Dividends	(27)	(20)
Other	(3)	(2)
Ending balance	$ 938	$ 815