SEGMENT INFORMATION - Schedule of Reconciliation of Revenue and Segment EBITDA from Segments to Consolidated (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
Revenues	$ 2,144	$ 2,096
Operating expenses	(941)	(952)
Selling, general and administrative	(863)	(819)
Total segment EBITDA	340	325
Depreciation and amortization	(117)	(112)
Impairment and restructuring charges	(19)	(22)
Equity losses of affiliates	(2)	(3)
Interest income (expense), net	6	0
Other, net	4	22
Income before income tax expense from continuing operations	212	210
Income tax expense from continuing operations	(62)	(61)
Net income from continuing operations	150	149
Net loss from discontinued operations, net of tax	0	(5)
Net income	150	144
Dow Jones
Segment Reporting Information [Line Items]
Revenues	586	552
Operating expenses	(238)	(239)
Selling, general and administrative	(204)	(182)
Total segment EBITDA	144	131
Depreciation and amortization	(40)	(39)
Digital Real Estate Services
Segment Reporting Information [Line Items]
Revenues	479	457
Operating expenses	(53)	(47)
Selling, general and administrative	(268)	(270)
Total segment EBITDA	158	140
Depreciation and amortization	(37)	(36)
Book Publishing
Segment Reporting Information [Line Items]
Revenues	534	546
Operating expenses	(354)	(365)
Selling, general and administrative	(122)	(100)
Total segment EBITDA	58	81
Depreciation and amortization	(15)	(13)
News Media
Segment Reporting Information [Line Items]
Revenues	545	541
Operating expenses	(296)	(301)
Selling, general and administrative	(219)	(222)
Total segment EBITDA	30	18
Depreciation and amortization	(24)	(23)
Other
Segment Reporting Information [Line Items]
Revenues	0	0
Operating expenses	0	0
Selling, general and administrative	(50)	(45)
Total segment EBITDA	(50)	(45)
Depreciation and amortization	$ (1)	$ (1)