Equity - Summary of Changes in Equity (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 8,736	$ 8,728	$ 8,945	$ 9,143
Net income	183	94	241	160
Other comprehensive income	196	269	65	18
Dividends	0	0	(85)	(89)
Share repurchases	(26)	(47)	(55)	(174)
Other	13	12	(9)	(2)
Ending balance	$ 9,102	$ 9,056	$ 9,102	$ 9,056
Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)			379,945,907
Share repurchases (in shares)	(800,000)	(1,900,000)	(1,800,000)	(6,900,000)
Ending balance (in shares)	380,210,295		380,210,295
Class B Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)			192,013,909
Share repurchases (in shares)	(400,000)	(1,000,000)	(800,000)	(3,500,000)
Ending balance (in shares)	191,177,032		191,177,032
Total News Corp Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 7,892	$ 7,872	$ 8,064	$ 8,222
Net income	156	67	186	107
Other comprehensive income	147	210	47	15
Dividends	0	0	(57)	(58)
Share repurchases	(26)	(47)	(55)	(174)
Other	13	13	(3)	3
Ending balance	$ 8,182	$ 8,115	$ 8,182	$ 8,115
Common Stock | Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	381,000,000	384,000,000	380,000,000	388,000,000
Beginning balance	$ 4	$ 4	$ 4	$ 4
Share repurchases (in shares)	(1,000,000)	(2,000,000)	(2,000,000)	(7,000,000)
Other (in shares)	0	0	2,000,000	1,000,000
Ending balance (in shares)	380,000,000	382,000,000	380,000,000	382,000,000
Ending balance	$ 4	$ 4	$ 4	$ 4
Common Stock | Class B Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	192,000,000	194,000,000	192,000,000	197,000,000
Beginning balance	$ 2	$ 2	$ 2	$ 2
Share repurchases (in shares)	(1,000,000)	(1,000,000)	(1,000,000)	(4,000,000)
Ending balance (in shares)	191,000,000	193,000,000	191,000,000	193,000,000
Ending balance	$ 2	$ 2	$ 2	$ 2
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	11,347	11,584	11,449	11,779
Dividends	0	0	(57)	(58)
Share repurchases	(26)	(47)	(55)	(174)
Other	13	13	(3)	3
Ending balance	11,334	11,550	11,334	11,550
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(2,114)	(2,253)	(2,144)	(2,293)
Net income	156	67	186	107
Ending balance	(1,958)	(2,186)	(1,958)	(2,186)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,347)	(1,465)	(1,247)	(1,270)
Other comprehensive income	147	210	47	15
Ending balance	(1,200)	(1,255)	(1,200)	(1,255)
Non-controlling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	844	856	881	921
Net income	27	27	55	53
Other comprehensive income	49	59	18	3
Dividends	0	0	(28)	(31)
Other	0	(1)	(6)	(5)
Ending balance	$ 920	$ 941	$ 920	$ 941