Report of the directors financial review risk report - Own funds (Details) - GBP (£) £ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Common equity tier 1 capital: regulatory adjustments [Abstract] | ||
| Common equity tier 1 capital before regulatory adjustments | £ 167,958 | £ 172,987 |
| Total regulatory adjustments to common equity tier 1 | (40,266) | (40,394) |
| Common equity tier 1 capital | 127,692 | 132,593 |
| Additional tier 1 capital before regulatory adjustments | 23,722 | 20,874 |
| Total regulatory adjustments to additional tier 1 capital | (70) | (70) |
| Additional tier 1 capital | 23,652 | 20,804 |
| Tier 1 capital | 151,344 | 153,397 |
| Tier 2 capital before regulatory adjustments | 29,142 | 30,167 |
| Total regulatory adjustments to tier 2 capital | (1,710) | (1,193) |
| Tier 2 capital | 27,432 | 28,974 |
| Total capital | £ 178,776 | £ 182,371 |
| Capital ratios | ||
| Common equity tier 1 ratio | 14.10% | 14.90% |
| Tier 1 ratio | 16.70% | 17.30% |
| Total capital ratio | 19.70% | 20.50% |