Share-based payments - Disclosure of share-based payment schemes (Details) - GBP (£) £ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of terms and conditions of share-based payment arrangement [line items] | |||
| Total equity settled | £ 492 | £ 420 | £ 398 |
| Cash settled | 13 | 9 | 3 |
| Total Share-based payments | 505 | 429 | 401 |
| Share Value Plan and Deferred Share Value Plan | |||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | |||
| Total equity settled | 315 | 287 | 254 |
| Others | |||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | |||
| Total equity settled | £ 177 | £ 133 | £ 144 |