Capital adequacy - Narrative (Details) |
Dec. 31, 2025 |
Dec. 31, 2024 |
Jun. 22, 2023 |
Jun. 21, 2023 |
|---|---|---|---|---|
| Disclosure of credit risk exposure [line items] | ||||
| Capital conservation buffer | 2.50% | 2.50% | ||
| Countercyclical buffer | 1.60% | 1.60% | ||
| Capital base requirement | 3.00% | 3.00% | ||
| Leverage ratio | 9.50% | 9.60% | ||
| Sweden | ||||
| Disclosure of credit risk exposure [line items] | ||||
| Countercyclical buffer | 2.00% | 1.00% | ||
| Capital requirement related to credit risk exposures | 71.00% | 74.00% | ||
| Foreign equity investments | ||||
| Disclosure of credit risk exposure [line items] | ||||
| Countercyclical buffer | 0.15% | 0.12% | ||
| Operational risk | ||||
| Disclosure of credit risk exposure [line items] | ||||
| Business indicator component | 0.12 |