Auditor's remuneration - Disclosure of Auditor's remuneration (Details) - GBP (£) £ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of products and services [line items] | |||
| Audit and audit related fees | £ 22 | £ 23 | £ 22 |
| Total Auditor's remuneration | 57 | 57 | 49 |
| Other audit related fees | |||
| Disclosure of products and services [line items] | |||
| Audit and audit related fees | 12 | 10 | 8 |
| Other services | |||
| Disclosure of products and services [line items] | |||
| Other services | 4 | 5 | 1 |
| Total for all subsidiaries | |||
| Disclosure of products and services [line items] | |||
| Audit and audit related fees | £ 19 | £ 19 | £ 18 |