v3.25.4
Derivatives and hedge accounting - Hedge ineffectiveness (Details) - SEK (kr)
kr in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Hedge ineffectiveness      
Hedging gain or losses recognized in other comprehensive income [1] kr 3 kr 56 kr 63
of which in cash flow hedges      
Hedge ineffectiveness      
Changes in fair value of hedging instruments 4 56  
Changes in value of hedged items used as a basis for recognizing hedge ineffectiveness (3) (58)  
Hedge ineffectiveness recognized in profit or loss 0 0  
Hedging gain or losses recognized in other comprehensive income kr 4 kr 56  
[1]
1    The entire equity is attributable to the shareholder of the Parent Company.