SEGMENT INFORMATION - Schedule of Reconciliation of Goodwill and Intangible Assets from Segments to Consolidated (Details) - USD ($) $ in Millions |
Sep. 30, 2025 |
Jun. 30, 2025 |
|---|---|---|
| Segment Reporting Information [Line Items] | ||
| Total Goodwill and intangible assets, net | $ 6,317 | $ 6,303 |
| Dow Jones | ||
| Segment Reporting Information [Line Items] | ||
| Total Goodwill and intangible assets, net | 3,280 | 3,256 |
| Digital Real Estate Services | ||
| Segment Reporting Information [Line Items] | ||
| Total Goodwill and intangible assets, net | 1,809 | 1,798 |
| Book Publishing | ||
| Segment Reporting Information [Line Items] | ||
| Total Goodwill and intangible assets, net | 924 | 941 |
| News Media | ||
| Segment Reporting Information [Line Items] | ||
| Total Goodwill and intangible assets, net | $ 304 | $ 308 |