v3.25.4
Financial Risk Management - Liquidity Risk - Maturity profile of financial and insurance liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Financial Risk Management    
Insurance contract liabilities $ 49,785.4 $ 48,665.2
Principal amount 13,743.3 11,874.1
Non-insurance companies    
Financial Risk Management    
Principal amount 3,213.1 2,918.8
More than five years    
Financial Risk Management    
Insurance contract liabilities 11,378.9 12,158.3
Liquidity risk    
Financial Risk Management    
Accounts payable and accrued liabilities 5,742.9 5,605.2
Insurance contract payables 338.3 923.0
Total financial liabilities 26,836.3 24,272.0
Liquidity risk | Holding company and insurance and reinsurance companies    
Financial Risk Management    
Borrowings - principal 10,530.2 8,955.3
Borrowings - interest 6,298.7 5,171.9
Liquidity risk | Non-insurance companies    
Financial Risk Management    
Borrowings - principal 3,213.1 2,918.8
Borrowings - interest 713.1 697.8
Liquidity risk | 3 months or less    
Financial Risk Management    
Accounts payable and accrued liabilities 2,271.7 2,148.2
Insurance contract payables 227.7 261.8
Total financial liabilities 2,803.7 2,646.6
Liquidity risk | 3 months or less | Holding company and insurance and reinsurance companies    
Financial Risk Management    
Borrowings - principal 37.5 17.1
Borrowings - interest 140.2 123.5
Liquidity risk | 3 months or less | Non-insurance companies    
Financial Risk Management    
Borrowings - principal 96.8 62.5
Borrowings - interest 29.8 33.5
Liquidity risk | 3 months to 1 year    
Financial Risk Management    
Accounts payable and accrued liabilities 1,527.4 1,263.4
Insurance contract payables 62.7 75.3
Total financial liabilities 2,939.3 2,179.0
Liquidity risk | 3 months to 1 year | Holding company and insurance and reinsurance companies    
Financial Risk Management    
Borrowings - principal 661.7 198.4
Borrowings - interest 383.9 314.1
Liquidity risk | 3 months to 1 year | Non-insurance companies    
Financial Risk Management    
Borrowings - principal 167.5 209.9
Borrowings - interest 136.1 117.9
Liquidity risk | 1 - 3 years    
Financial Risk Management    
Accounts payable and accrued liabilities 792.4 970.5
Insurance contract payables 21.2 342.8
Total financial liabilities 5,706.9 4,472.4
Liquidity risk | 1 - 3 years | Holding company and insurance and reinsurance companies    
Financial Risk Management    
Borrowings - principal 2,251.6 1,302.2
Borrowings - interest 938.7 838.3
Liquidity risk | 1 - 3 years | Non-insurance companies    
Financial Risk Management    
Borrowings - principal 1,452.8 723.0
Borrowings - interest 250.2 295.6
Liquidity risk | 3 - 5 years    
Financial Risk Management    
Accounts payable and accrued liabilities 344.9 423.6
Insurance contract payables 2.6 21.5
Total financial liabilities 2,990.6 4,045.2
Liquidity risk | 3 - 5 years | Holding company and insurance and reinsurance companies    
Financial Risk Management    
Borrowings - principal 1,249.1 1,763.4
Borrowings - interest 753.5 656.3
Liquidity risk | 3 - 5 years | Non-insurance companies    
Financial Risk Management    
Borrowings - principal 486.0 1,049.4
Borrowings - interest 154.5 131.0
Liquidity risk | More than five years    
Financial Risk Management    
Accounts payable and accrued liabilities 806.5 799.5
Insurance contract payables 24.1 221.6
Total financial liabilities 12,395.8 10,928.8
Liquidity risk | More than five years | Holding company and insurance and reinsurance companies    
Financial Risk Management    
Borrowings - principal 6,330.3 5,674.2
Borrowings - interest 4,082.4 3,239.7
Liquidity risk | More than five years | Non-insurance companies    
Financial Risk Management    
Borrowings - principal 1,010.0 874.0
Borrowings - interest $ 142.5 $ 119.8