Provisions (Details) - GBP (£) £ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure of other provisions [line items] | ||
| Provisions | £ 1,681 | £ 1,664 |
| Customer redress | ||
| Disclosure of other provisions [line items] | ||
| Provisions | 623 | 543 |
| Legal, competition and regulatory matters | ||
| Disclosure of other provisions [line items] | ||
| Provisions | 44 | 79 |
| Redundancy and restructuring | ||
| Disclosure of other provisions [line items] | ||
| Provisions | 168 | 190 |
| Undrawn contractually committed facilities and guarantees | ||
| Disclosure of other provisions [line items] | ||
| Provisions | 433 | 416 |
| Onerous contracts | ||
| Disclosure of other provisions [line items] | ||
| Provisions | 28 | 41 |
| Sundry provisions | ||
| Disclosure of other provisions [line items] | ||
| Provisions | £ 385 | £ 395 |