v3.25.4
Risk information - Effect of credit risk mitigation (Details) - Credit risk - SEK (kr)
kr in Billions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of credit risk exposure [line items]    
Hedged exposures kr 205.2 kr 201.1
Unhedged exposures 221.7 219.4
Gross exposure 426.9 420.5
IFRS 9    
Disclosure of credit risk exposure [line items]    
Hedged exposures 205.2 201.1
Unhedged exposures 165.1 162.5
Gross exposure 370.2 363.6
Central governments    
Disclosure of credit risk exposure [line items]    
Hedged exposures 186.2 178.9
Unhedged exposures - hedge issuer in same group as counterparty 0.0 0.0
Central governments | IFRS 9    
Disclosure of credit risk exposure [line items]    
Hedged exposures 186.2 178.9
Central governments | Financial guarantee contracts | Guarantees by the Swedish Export Credit Agency    
Disclosure of credit risk exposure [line items]    
Hedged exposures 174.1 166.0
Central governments | Financial guarantee contracts | Guarantees by the Swedish Export Credit Agency | IFRS 9    
Disclosure of credit risk exposure [line items]    
Hedged exposures 174.1 166.0
Central governments | Financial guarantee contracts | Guarantees by other export credit agencies    
Disclosure of credit risk exposure [line items]    
Hedged exposures 2.5 3.4
Central governments | Financial guarantee contracts | Guarantees by other export credit agencies | IFRS 9    
Disclosure of credit risk exposure [line items]    
Hedged exposures 2.5 3.4
Central governments | Financial guarantee contracts | Other guarantees    
Disclosure of credit risk exposure [line items]    
Hedged exposures 9.6 9.5
Central governments | Financial guarantee contracts | Other guarantees | IFRS 9    
Disclosure of credit risk exposure [line items]    
Hedged exposures 9.6 9.5
Regional governments    
Disclosure of credit risk exposure [line items]    
Hedged exposures 1.7 1.8
Regional governments | IFRS 9    
Disclosure of credit risk exposure [line items]    
Hedged exposures 1.7 1.8
Multilateral development banks    
Disclosure of credit risk exposure [line items]    
Hedged exposures 0.0 0.7
Multilateral development banks | IFRS 9    
Disclosure of credit risk exposure [line items]    
Hedged exposures 0.0 0.7
Financial institutions    
Disclosure of credit risk exposure [line items]    
Hedged exposures 3.9 4.5
Unhedged exposures - hedge issuer in same group as counterparty 0.0 0.0
Financial institutions | IFRS 9    
Disclosure of credit risk exposure [line items]    
Hedged exposures 3.9 4.5
Financial institutions | Financial guarantee contracts    
Disclosure of credit risk exposure [line items]    
Hedged exposures 3.9 4.5
Financial institutions | Financial guarantee contracts | IFRS 9    
Disclosure of credit risk exposure [line items]    
Hedged exposures 3.9 4.5
Corporates    
Disclosure of credit risk exposure [line items]    
Hedged exposures 13.4 15.2
Unhedged exposures - hedge issuer in same group as counterparty 39.0 36.1
Corporates | IFRS 9    
Disclosure of credit risk exposure [line items]    
Hedged exposures 13.4 15.2
Corporates | Financial guarantee contracts | Other guarantees    
Disclosure of credit risk exposure [line items]    
Hedged exposures 4.4 4.2
Corporates | Financial guarantee contracts | Other guarantees | IFRS 9    
Disclosure of credit risk exposure [line items]    
Hedged exposures 4.4 4.2
Corporates | Credit insurance from insurance companies    
Disclosure of credit risk exposure [line items]    
Hedged exposures 9.0 11.0
Corporates | Credit insurance from insurance companies | IFRS 9    
Disclosure of credit risk exposure [line items]    
Hedged exposures 9.0 11.0
Central governments    
Disclosure of credit risk exposure [line items]    
Hedged exposures 92.2 72.2
Unhedged exposures 30.6 18.6
Gross exposure 122.8 90.8
Central governments | Central governments    
Disclosure of credit risk exposure [line items]    
Hedged exposures 92.0 71.7
Central governments | Central governments | Financial guarantee contracts | Guarantees by the Swedish Export Credit Agency    
Disclosure of credit risk exposure [line items]    
Hedged exposures 92.0 71.6
Central governments | Central governments | Financial guarantee contracts | Guarantees by other export credit agencies    
Disclosure of credit risk exposure [line items]    
Hedged exposures 0.0 0.1
Central governments | Financial institutions    
Disclosure of credit risk exposure [line items]    
Hedged exposures 0.0 0.1
Central governments | Financial institutions | Financial guarantee contracts    
Disclosure of credit risk exposure [line items]    
Hedged exposures 0.0 0.1
Central governments | Corporates    
Disclosure of credit risk exposure [line items]    
Hedged exposures 0.2 0.4
Central governments | Corporates | Credit insurance from insurance companies    
Disclosure of credit risk exposure [line items]    
Hedged exposures 0.2 0.4
Regional governments    
Disclosure of credit risk exposure [line items]    
Hedged exposures 1.8 0.9
Unhedged exposures 9.7 16.9
Gross exposure 11.5 17.8
Regional governments | Central governments    
Disclosure of credit risk exposure [line items]    
Hedged exposures 1.8 0.9
Regional governments | Central governments | Financial guarantee contracts | Guarantees by the Swedish Export Credit Agency    
Disclosure of credit risk exposure [line items]    
Hedged exposures 1.8 0.9
Multilateral development banks    
Disclosure of credit risk exposure [line items]    
Unhedged exposures 5.1 6.3
Gross exposure 5.1 6.3
Public sector entity    
Disclosure of credit risk exposure [line items]    
Unhedged exposures   1.0
Gross exposure 0.0 1.0
Financial institutions    
Disclosure of credit risk exposure [line items]    
Hedged exposures 21.3 21.5
Unhedged exposures 28.4 29.6
Gross exposure 49.7 51.1
Financial institutions | Central governments    
Disclosure of credit risk exposure [line items]    
Hedged exposures 20.9 21.0
Financial institutions | Central governments | Financial guarantee contracts | Guarantees by the Swedish Export Credit Agency    
Disclosure of credit risk exposure [line items]    
Hedged exposures 20.9 21.0
Financial institutions | Regional governments    
Disclosure of credit risk exposure [line items]    
Hedged exposures 0.4 0.5
Corporates    
Disclosure of credit risk exposure [line items]    
Hedged exposures 89.8 106.5
Unhedged exposures 148.0 147.0
Gross exposure 237.8 253.5
Corporates | Central governments    
Disclosure of credit risk exposure [line items]    
Hedged exposures 71.5 85.3
Corporates | Central governments | Financial guarantee contracts | Guarantees by the Swedish Export Credit Agency    
Disclosure of credit risk exposure [line items]    
Hedged exposures 59.4 72.5
Corporates | Central governments | Financial guarantee contracts | Guarantees by other export credit agencies    
Disclosure of credit risk exposure [line items]    
Hedged exposures 2.4 3.3
Corporates | Central governments | Financial guarantee contracts | Other guarantees    
Disclosure of credit risk exposure [line items]    
Hedged exposures 9.6 9.5
Corporates | Regional governments    
Disclosure of credit risk exposure [line items]    
Hedged exposures 1.3 1.3
Corporates | Multilateral development banks    
Disclosure of credit risk exposure [line items]    
Hedged exposures 0.0 0.7
Corporates | Financial institutions    
Disclosure of credit risk exposure [line items]    
Hedged exposures 3.8 4.4
Corporates | Financial institutions | Financial guarantee contracts    
Disclosure of credit risk exposure [line items]    
Hedged exposures 3.8 4.4
Corporates | Corporates    
Disclosure of credit risk exposure [line items]    
Hedged exposures 13.2 14.8
Corporates | Corporates | Financial guarantee contracts | Other guarantees    
Disclosure of credit risk exposure [line items]    
Hedged exposures 4.4 4.2
Corporates | Corporates | Credit insurance from insurance companies    
Disclosure of credit risk exposure [line items]    
Hedged exposures 8.8 10.6
Equity exposures    
Disclosure of credit risk exposure [line items]    
Unhedged exposures   0.0
Gross exposure kr 0.0 kr 0.0