Other disclosures - Solvency information (Details) |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| IFRS Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||
| CET1 phase-in percentage | 14.02% | 13.46% |
| Tier 1 phase in capital ratio | 15.67% | 15.00% |
| Total phase-in capital | 18.77% | 17.77% |
| Minimum | ||
| IFRS Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||
| CET1 phase-in percentage | 9.83% | |
| Pillar 1 percentage | 4.50% | |
| Pillar 2 percentage | 0.98% | |
| Capital conservation buffer, percentage | 2.50% | |
| Globally Systemically Important Entity percentage | 1.25% | |
| Percentage of anti cyclical buffer on common equity Tier1 capital | 0.55% | |
| Common equity tier one capital, systematic risk requirement | 0.06% | |
| Tier 1 phase in capital ratio | 11.66% | |
| Total phase-in capital | 14.09% |