v3.25.4
Related party transactions - Summary of transactions and balances during the year with key management personnel (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Key management personnel of entity or parent    
Disclosure of transactions between related parties [line items]    
Advances and credits $ 11.0 $ 9.0
Guarantees 0.0 0.0
Deposits 67.0 78.0
Advances and credits, highest amount during the year 12.0 12.0
Guarantees, highest amount during the year 0.0 0.0
Deposits, highest amount during the year 144.0 191.0
Director    
Disclosure of transactions between related parties [line items]    
Advances and credits 0.1 1.3
Guarantees $ 0.0 $ 0.0