v3.25.2
Report of the directors financial review risk report - Trading VaR, 99% 1 day (Details) - Trading portfolios - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Disclosure of financial assets [line items]      
Value at risk $ 34.6 $ 38.3 $ 52.7
Average      
Disclosure of financial assets [line items]      
Value at risk 38.8 46.7 59.7
Maximum      
Disclosure of financial assets [line items]      
Value at risk 57.1 63.2 83.3
Minimum      
Disclosure of financial assets [line items]      
Value at risk 27.3 37.0 45.7
Foreign exchange and commodity      
Disclosure of financial assets [line items]      
Value at risk 11.2 14.6 20.6
Foreign exchange and commodity | Average      
Disclosure of financial assets [line items]      
Value at risk 14.7 15.0 15.4
Foreign exchange and commodity | Maximum      
Disclosure of financial assets [line items]      
Value at risk 26.9 27.2 29.8
Foreign exchange and commodity | Minimum      
Disclosure of financial assets [line items]      
Value at risk 7.0 8.6 6.9
Interest rate      
Disclosure of financial assets [line items]      
Value at risk 20.5 34.9 47.5
Interest rate | Average      
Disclosure of financial assets [line items]      
Value at risk 31.4 39.7 57.1
Interest rate | Maximum      
Disclosure of financial assets [line items]      
Value at risk 54.9 59.3 78.1
Interest rate | Minimum      
Disclosure of financial assets [line items]      
Value at risk 18.7 24.8 42.0
Equity      
Disclosure of financial assets [line items]      
Value at risk 18.2 16.3 15.7
Equity | Average      
Disclosure of financial assets [line items]      
Value at risk 15.6 15.5 14.0
Equity | Maximum      
Disclosure of financial assets [line items]      
Value at risk 20.9 20.5 17.6
Equity | Minimum      
Disclosure of financial assets [line items]      
Value at risk 12.3 13.6 12.7
Credit spread      
Disclosure of financial assets [line items]      
Value at risk 13.1 8.2 9.9
Credit spread | Average      
Disclosure of financial assets [line items]      
Value at risk 11.3 9.7 10.2
Credit spread | Maximum      
Disclosure of financial assets [line items]      
Value at risk 17.9 13.1 12.7
Credit spread | Minimum      
Disclosure of financial assets [line items]      
Value at risk 6.4 6.9 6.6
Portfolio diversification      
Disclosure of financial assets [line items]      
Value at risk (28.3) (35.7) (41.1)
Portfolio diversification | Average      
Disclosure of financial assets [line items]      
Value at risk $ (34.3) $ (33.2) $ (37.1)