Equity - Summary of Changes in Equity (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 8,728	$ 9,148	$ 9,143	$ 9,146
Net income	94	262	160	529
Other comprehensive income	269	(28)	18	(186)
Dividends	0	0	(89)	(86)
Share repurchases	(47)	(46)	(174)	(46)
Other	12	11	(2)	(10)
Ending balance	$ 9,056	$ 9,347	$ 9,056	$ 9,347
Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, shares			387,561,850
Share repurchases (in shares)	(1,900,000)	(1,400,000)	(6,900,000)	(1,400,000)
Ending balance, shares	382,348,920		382,348,920
Class B Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, shares			196,808,833
Share repurchases (in shares)	(1,000,000)	(700,000)	(3,500,000)	(700,000)
Ending balance, shares	193,242,506		193,242,506
Total News Corp Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 7,872	$ 8,210	$ 8,222	$ 8,211
Net income	67	235	107	431
Other comprehensive income	210	(28)	15	(148)
Dividends	0	0	(58)	(59)
Share repurchases	(47)	(46)	(174)	(46)
Other	13	12	3	(6)
Ending balance	$ 8,115	$ 8,383	$ 8,115	$ 8,383
Common Stock | Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, shares	384,000,000	393,000,000	388,000,000	391,000,000
Beginning balance	$ 4	$ 4	$ 4	$ 4
Share repurchases (in shares)	(2,000,000)	(1,000,000)	(7,000,000)	(1,000,000)
Other (in shares)	0	0	1,000,000	2,000,000
Ending balance, shares	382,000,000	392,000,000	382,000,000	392,000,000
Ending balance	$ 4	$ 4	$ 4	$ 4
Common Stock | Class B Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, shares	194,000,000	200,000,000	197,000,000	200,000,000
Beginning balance	$ 2	$ 2	$ 2	$ 2
Share repurchases (in shares)	(1,000,000)	(1,000,000)	(4,000,000)	(1,000,000)
Ending balance, shares	193,000,000	199,000,000	193,000,000	199,000,000
Ending balance	$ 2	$ 2	$ 2	$ 2
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	11,584	11,980	11,779	12,057
Dividends	0	0	(58)	(59)
Share repurchases	(47)	(44)	(174)	(44)
Other	13	12	3	(6)
Ending balance	11,550	11,948	11,550	11,948
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(2,253)	(2,715)	(2,293)	(2,911)
Net income	67	235	107	431
Share repurchases	0	(2)		(2)
Ending balance	(2,186)	(2,482)	(2,186)	(2,482)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,465)	(1,061)	(1,270)	(941)
Other comprehensive income	210	(28)	15	(148)
Ending balance	(1,255)	(1,089)	(1,255)	(1,089)
Non-controlling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	856	938	921	935
Net income	27	27	53	98
Other comprehensive income	59	0	3	(38)
Dividends	0	0	(31)	(27)
Other	(1)	(1)	(5)	(4)
Ending balance	$ 941	$ 964	$ 941	$ 964