Schedule of interest rate risk management (Details) - SEK (kr) kr in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Interest bearing debt [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Interest expense on liabilities to credit institutions | kr 14,289 | kr 119,229 |
| Interest expense on convertible debentures | 445,181 | 40,648 |
| Interest rates on debt and derivatives [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Interest expense on liabilities to credit institutions | 143 | 1,192 |
| Interest expense on convertible debentures | kr 4,452 | kr 406 |