v3.25.4
Shares in subsidiaries (Details) - SEK (kr)
kr in Thousands
Dec. 31, 2025
Dec. 31, 2024
Shares in subsidiaries    
Share capital kr 3,990,000 kr 3,990,000
Number of shares issued (in shares) 3,990,000  
Sekett Ab    
Shares in subsidiaries    
Share capital kr 50  
Carrying amount kr 0 kr 0
Number of shares issued (in shares) 50 50