Equity - Summary of Changes in Equity (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 9,102	$ 9,056	$ 8,945	$ 9,143
Net income	42	59	283	219
Other comprehensive loss	(131)	(41)	(66)	(23)
Dividends	(86)	(85)	(171)	(174)
Share repurchases	(27)	(20)	(82)	(194)
Other	8	15	(1)	13
Ending balance	$ 8,908	$ 8,984	$ 8,908	$ 8,984
Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)			379,945,907
Share repurchases (in shares)	(700,000)	(800,000)	(2,500,000)	(7,700,000)
Ending balance (in shares)	379,582,130		379,582,130
Class B Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)			192,013,909
Share repurchases (in shares)	(300,000)	(400,000)	(1,100,000)	(3,900,000)
Ending balance (in shares)	190,867,055		190,867,055
Total News Corp Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 8,182	$ 8,115	$ 8,064	$ 8,222
Net income	30	50	216	157
Other comprehensive loss	(92)	(24)	(45)	(9)
Dividends	(57)	(58)	(114)	(116)
Share repurchases	(27)	(20)	(82)	(194)
Other	15	14	12	17
Ending balance	$ 8,051	$ 8,077	$ 8,051	$ 8,077
Common Stock | Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	380,000,000	382,000,000	380,000,000	388,000,000
Beginning balance	$ 4	$ 4	$ 4	$ 4
Share repurchases (in shares)	(1,000,000)	(1,000,000)	(3,000,000)	(8,000,000)
Other (in shares)	1,000,000	1,000,000	3,000,000	2,000,000
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)	191,000,000	193,000,000	192,000,000	197,000,000
Beginning balance	$ 2	$ 2	$ 2	$ 2
Share repurchases (in shares)	(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	11,334	11,550	11,449	11,779
Dividends	(57)	(58)	(114)	(116)
Share repurchases	(22)	(20)	(77)	(194)
Other	15	14	12	17
Ending balance	11,270	11,486	11,270	11,486
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,958)	(2,186)	(2,144)	(2,293)
Net income	30	50	216	157
Share repurchases	(5)
Ending balance	(1,933)	(2,136)	(1,933)	(2,136)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,200)	(1,255)	(1,247)	(1,270)
Other comprehensive loss	(92)	(24)	(45)	(9)
Ending balance	(1,292)	(1,279)	(1,292)	(1,279)
Non-controlling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	920	941	881	921
Net income	12	9	67	62
Other comprehensive loss	(39)	(17)	(21)	(14)
Dividends	(29)	(27)	(57)	(58)
Other	(7)	1	(13)	(4)
Ending balance	$ 857	$ 907	$ 857	$ 907