SEGMENT INFORMATION - Reconciliation of Depreciation and Amortization, Capital Expenditures from Segments to Consolidated (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Segment Reporting Information [Line Items] | ||
| Total Depreciation and amortization | $ 117 | $ 112 |
| Total Capital expenditures | 81 | 75 |
| Dow Jones | ||
| Segment Reporting Information [Line Items] | ||
| Total Depreciation and amortization | 40 | 39 |
| Total Capital expenditures | 15 | 16 |
| Digital Real Estate Services | ||
| Segment Reporting Information [Line Items] | ||
| Total Depreciation and amortization | 37 | 36 |
| Total Capital expenditures | 38 | 39 |
| Book Publishing | ||
| Segment Reporting Information [Line Items] | ||
| Total Depreciation and amortization | 15 | 13 |
| Total Capital expenditures | 8 | 3 |
| News Media | ||
| Segment Reporting Information [Line Items] | ||
| Total Depreciation and amortization | 24 | 23 |
| Total Capital expenditures | 18 | 17 |
| Other | ||
| Segment Reporting Information [Line Items] | ||
| Total Depreciation and amortization | 1 | 1 |
| Total Capital expenditures | $ 2 | $ 0 |