Debt - Additional information (Details) - GBP (£) £ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| RELX Capital Inc. | ||
| Disclosure of detailed information about borrowings | ||
| Proportion of ownership interest in subsidiary | 100.00% | |
| Financial liabilities measured at amortised cost (excluding lease liabilities) | ||
| Disclosure of detailed information about borrowings | ||
| Fair value of debt | £ 5,611 | £ 4,193 |
| Term debt, in fair value hedging relationships | ||
| Disclosure of detailed information about borrowings | ||
| Fair value of debt | 1,581 | 2,068 |
| Term debt, previously in fair value hedging relationships | ||
| Disclosure of detailed information about borrowings | ||
| Fair value of debt | £ 0 | £ 121 |