v3.26.1
Financial instruments (Details 4) - SEK (kr)
kr in Thousands
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]    
Liabilities kr 1,883,371 kr 1,737,487
Assets 1,825,371 1,749,680
U S D [Member]    
IfrsStatementLineItems [Line Items]    
Liabilities 594,212 613,061
Assets 208,058 56,884
E U R [Member]    
IfrsStatementLineItems [Line Items]    
Liabilities 201,799 23,279
Assets 69,928 34,690
N O K [Member]    
IfrsStatementLineItems [Line Items]    
Liabilities 45,413 2,234
Assets 38,251 20,816
Others [Member]    
IfrsStatementLineItems [Line Items]    
Liabilities 26,964 4,947
Assets kr 4,757 kr 6,419