SEGMENT INFORMATION - Schedule of Reconciliation of Revenue and Segment EBITDA from Segments to Consolidated (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Revenues	$ 2,009	$ 1,994	$ 6,343	$ 6,160
Total Revenues	2,009	1,994	6,343	6,160
Depreciation and amortization	(114)	(114)	(339)	(325)
Impairment and restructuring charges	(13)	(35)	(51)	(84)
Equity losses of affiliates	0	(2)	(11)	(5)
Interest income (expense), net	1	(3)	(2)	(18)
Other, net	(13)	(9)	101	(26)
Income before income tax expense from continuing operations	151	96	791	475
Income tax expense from continuing operations	(44)	(32)	(229)	(163)
Net income from continuing operations	107	64	562	312
Net income (loss) from discontinued operations, net of tax	30	(22)	2	(29)
Net income	137	42	564	283
Dow Jones
Segment Reporting Information [Line Items]
Revenues	575	544	1,727	1,665
Total segment EBITDA	132	118	437	405
Digital Real Estate Services
Segment Reporting Information [Line Items]
Revenues	406	388	1,336	1,210
Total segment EBITDA	124	104	449	373
Book Publishing
Segment Reporting Information [Line Items]
Revenues	514	506	1,655	1,581
Total segment EBITDA	64	62	246	212
News Media
Segment Reporting Information [Line Items]
Revenues	514	556	1,625	1,704
Total segment EBITDA	33	27	125	101
Other
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Total segment EBITDA	$ (63)	$ (52)	$ (164)	$ (158)