v3.26.1
Credit risk - Scenario weighting (Details)
Jun. 30, 2026
Dec. 31, 2025
Upside 2    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Scenario weighting 13.70% 14.40%
Upside 1    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Scenario weighting 27.30% 27.40%
Baseline    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Scenario weighting 39.50% 38.50%
Downside 1    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Scenario weighting 12.50% 12.70%
Downside 2    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Scenario weighting 7.00% 7.00%