SEGMENT INFORMATION - Schedule of Reconciliation of Revenue and Segment EBITDA from Segments to Consolidated (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Revenues	$ 2,238	$ 2,135	$ 4,334	$ 4,166
Total Revenues	2,238	2,135	4,334	4,166
Depreciation and amortization	(113)	(110)	(225)	(211)
Impairment and restructuring charges	(16)	(12)	(38)	(49)
Equity losses of affiliates	(8)	(1)	(11)	(3)
Interest expense, net	(3)	(7)	(3)	(15)
Other, net	92	21	114	(17)
Income before income tax expense from continuing operations	430	291	640	379
Income tax expense from continuing operations	(124)	(97)	(185)	(131)
Net income from continuing operations	306	194	455	248
Net loss from discontinued operations, net of tax	(23)	(11)	(28)	(7)
Net income	283	183	427	241
Dow Jones
Segment Reporting Information [Line Items]
Revenues	600	584	1,152	1,121
Total segment EBITDA	174	163	305	287
Digital Real Estate Services
Segment Reporting Information [Line Items]
Revenues	473	419	930	822
Total segment EBITDA	185	147	325	269
Book Publishing
Segment Reporting Information [Line Items]
Revenues	595	550	1,141	1,075
Total segment EBITDA	101	85	182	150
News Media
Segment Reporting Information [Line Items]
Revenues	570	582	1,111	1,148
Total segment EBITDA	74	57	92	74
Other
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Total segment EBITDA	$ (56)	$ (52)	$ (101)	$ (106)