SEGMENT INFORMATION - Schedule of Reconciliation of Goodwill and Intangible Assets from Segments to Consolidated (Details) - USD ($) $ in Millions	Dec. 31, 2024	Jun. 30, 2024
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	$ 6,158	$ 6,284
Dow Jones
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	3,238	3,248
Digital Real Estate Services
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	1,753	1,828
Book Publishing
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	881	914
News Media
Segment Reporting Information [Line Items]
Total Goodwill and intangible assets, net	$ 286	$ 294