v3.25.4
Financial Risk Management - Credit Risk - Gross credit risk exposure (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Financial Risk Management    
Assets associated with unit-linked insurance products and other products $ 156.8 $ 1,368.3
Income taxes refundable 86.9 86.7
Credit risk    
Financial Risk Management    
Maximum exposure to credit risk 66,483.2 61,711.7
Credit risk | Cash and short term investments    
Financial Risk Management    
Maximum exposure to credit risk $ 9,217.9 $ 8,522.6
Credit risk | Cash and short term investments | Canada and United States    
Financial Risk Management    
Risk exposure percentage 71.50% 69.40%
Credit risk | Cash and short term investments | Europe    
Financial Risk Management    
Risk exposure percentage 17.40% 17.40%
Credit risk | Cash and short term investments | Other foreign countries    
Financial Risk Management    
Risk exposure percentage 11.10% 13.20%
Credit risk | U.S. sovereign government and other sovereign government rated AA/Aa or higher    
Financial Risk Management    
Risk exposure percentage 33.20% 30.00%
Credit risk | U.S. sovereign government    
Financial Risk Management    
Maximum exposure to credit risk $ 20,081.9 $ 15,863.9
Credit risk | Other sovereign government rated AA/Aa or higher    
Financial Risk Management    
Maximum exposure to credit risk 4,801.5 4,378.7
Credit risk | Other sovereign government rated AA/Aa or higher | Canada    
Financial Risk Management    
Bonds issued by government 2,197.9 2,294.1
Credit risk | Other sovereign government rated AA/Aa or higher | Australia    
Financial Risk Management    
Bonds issued by government 571.6 479.1
Credit risk | Other sovereign government rated AA/Aa or higher | United Kingdom    
Financial Risk Management    
Bonds issued by government 453.1 363.8
Credit risk | All other sovereign government    
Financial Risk Management    
Maximum exposure to credit risk 3,477.9 4,048.7
Credit risk | All other sovereign government | Greece    
Financial Risk Management    
Bonds issued by government   1,130.8
Credit risk | All other sovereign government | South Africa    
Financial Risk Management    
Bonds issued by government 462.0  
Credit risk | All other sovereign government | Poland    
Financial Risk Management    
Bonds issued by government 411.6  
Credit risk | All other sovereign government | Brazil    
Financial Risk Management    
Bonds issued by government 1,006.2 673.9
Credit risk | All other sovereign government | India    
Financial Risk Management    
Bonds issued by government   628.5
Credit risk | Canadian provincials    
Financial Risk Management    
Maximum exposure to credit risk 411.9 446.9
Credit risk | U.S. states and municipalities    
Financial Risk Management    
Maximum exposure to credit risk 163.1 179.6
Credit risk | Corporate and other    
Financial Risk Management    
Maximum exposure to credit risk $ 11,822.4 $ 13,317.7
Risk exposure percentage 15.80% 19.80%
Credit risk | Investments in first mortgage loans    
Financial Risk Management    
Maximum exposure to credit risk $ 5,402.5 $ 4,777.8
Credit risk | Receivable from counterparties to derivative contracts    
Financial Risk Management    
Maximum exposure to credit risk 2,081.9 1,291.4
Credit risk | Insurance contract receivables    
Financial Risk Management    
Maximum exposure to credit risk 1,006.2 780.4
Credit risk | Reinsurance contracts assets held    
Financial Risk Management    
Maximum exposure to credit risk 11,251.0 10,682.6
Credit risk | Other assets    
Financial Risk Management    
Maximum exposure to credit risk 2,167.5 2,199.2
Assets associated with unit-linked insurance products and other products 156.8 1,368.3
Income taxes refundable $ 86.9 $ 86.7