Called up share capital and other equity instruments - Narrative (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
£ / shares
shares
| |
| Disclosure of classes of share capital [line items] | |
| Number of non-cumulative sterling preference shares (in shares) | shares | 1 |
| Contingent convertible securities | |
| Disclosure of classes of share capital [line items] | |
| Fixed interest rate, period increments | 5 years |
| Conversion threshold, common equity tier 1 percentage | 7.00% |
| Sterling preference shares | |
| Disclosure of classes of share capital [line items] | |
| Par value per share (in dollars per share) | £ / shares | £ 0.01 |