EQUITY - Schedule of Changes in Equity (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 9,310	$ 9,166	$ 9,389	$ 9,011
Net income	242	283	392	427
Other comprehensive income	$ 72	$ (398)	49	(247)
Dividends			$ (104)	$ (92)
Share repurchases (in shares)	(6,300,000)	(1,500,000)	(9,300,000)	(2,800,000)
Share repurchases	$ (175)	$ (40)	$ (269)	$ (78)
Other	13	14	5	4
Ending balance	$ 9,462	$ 9,025	$ 9,462	$ 9,025
Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)			376,718,696
Share repurchases (in shares)	(4,400,000)	(1,000,000.0)	(6,500,000)	(1,900,000)
Ending balance (in shares)	371,777,267		371,777,267
Class B Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)			188,666,990
Share repurchases (in shares)	(1,900,000)	(500,000)	(2,800,000)	(900,000)
Ending balance (in shares)	185,853,935		185,853,935
Total News Corp Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 8,704	$ 8,253	$ 8,774	$ 8,120
Net income	193	215	305	334
Other comprehensive income	53	(293)	29	(173)
Dividends	0	0	(57)	(57)
Share repurchases	(175)	(40)	(269)	(78)
Other	17	14	10	3
Ending balance	$ 8,792	$ 8,149	$ 8,792	$ 8,149
Common Stock | Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	376,000,000	379,000,000	377,000,000	379,000,000
Beginning balance	$ 4	$ 4	$ 4	$ 4
Share repurchases (in shares)	(4,000,000)	(1,000,000)	(6,000,000)	(2,000,000)
Other (in shares)			1,000,000	1,000,000
Ending balance (in shares)	372,000,000	378,000,000	372,000,000	378,000,000
Ending balance	$ 4	$ 4	$ 4	$ 4
Common Stock | Class B Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	188,000,000	190,000,000	189,000,000	190,000,000
Beginning balance	$ 2	$ 2	$ 2	$ 2
Share repurchases (in shares)	(2,000,000)	(1,000,000)	(3,000,000)	(1,000,000)
Ending balance (in shares)	186,000,000	189,000,000	186,000,000	189,000,000
Ending balance	$ 2	$ 2	$ 2	$ 2
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	10,929	11,157	11,058	11,254
Dividends		0	(57)	(57)
Share repurchases	(137)	(30)	(202)	(59)
Other	17	14	10	3
Ending balance	10,809	11,141	10,809	11,141
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(664)	(1,779)	(747)	(1,889)
Net income	193	215	305	334
Share repurchases	(38)	(10)	(67)	(19)
Ending balance	(509)	(1,574)	(509)	(1,574)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,567)	(1,131)	(1,543)	(1,251)
Other comprehensive income	53	(293)	29	(173)
Ending balance	(1,514)	(1,424)	(1,514)	(1,424)
Non-controlling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	606	913	615	891
Net income	49	68	87	93
Other comprehensive income	19	(105)	20	(74)
Dividends			(47)	(35)
Other	(4)		(5)	1
Ending balance	$ 670	$ 876	$ 670	$ 876