v3.25.4
Expenses (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Expenses    
Losses on claims, net $ 14,463.5 $ 13,336.6
Commissions 4,525.8 4,039.0
Cost of sales 5,194.4 4,145.6
Compensation expense 4,262.1 3,809.1
Administrative expense and other 3,607.2 3,186.9
Expenses 32,053.0 28,517.2
As presented in the consolidated statement of earnings:    
Insurance service expenses 26,051.5 24,866.8
Recoveries of insurance service expenses (3,826.6) (4,453.2)
Other insurance operating expenses and Corporate and other expenses 1,631.2 1,633.1
Non-insurance expenses 8,196.9 6,470.5
Expenses 32,053.0 28,517.2
Global Insurers and Reinsurers    
Expenses    
Losses on claims, net 7,849.9 6,807.3
North American Insurers    
Expenses    
Losses on claims, net 4,025.0 3,807.6
International Insurers and Reinsurers    
Expenses    
Losses on claims, net 2,170.5 2,460.9
Insurance and reinsurance companies    
Expenses    
Losses on claims, net 14,463.5 13,336.6
Commissions 4,525.8 4,039.0
Compensation expense 2,870.2 2,646.8
Administrative expense and other 1,996.6 2,024.3
Expenses 23,856.1 22,046.7
As presented in the consolidated statement of earnings:    
Insurance service expenses 26,051.5 24,866.8
Recoveries of insurance service expenses (3,826.6) (4,453.2)
Other insurance operating expenses and Corporate and other expenses 1,631.2 1,633.1
Expenses 23,856.1 22,046.7
Insurance and reinsurance companies | Directly attributable expenses    
Expenses    
Losses on claims, net 14,463.5 13,336.6
Commissions 4,525.8 4,039.0
Compensation expense 1,953.6 1,795.9
Administrative expense and other 1,282.0 1,242.1
Expenses 22,224.9 20,413.6
As presented in the consolidated statement of earnings:    
Insurance service expenses 26,051.5 24,866.8
Recoveries of insurance service expenses (3,826.6) (4,453.2)
Expenses 22,224.9 20,413.6
Insurance and reinsurance companies | Directly attributable expenses | Insurance acquisition cash flows    
Expenses    
Commissions 4,525.8 4,039.0
Compensation expense 816.3 765.4
Administrative expense and other 692.0 630.5
Expenses 6,034.1 5,434.9
As presented in the consolidated statement of earnings:    
Insurance service expenses 6,034.1 5,434.9
Expenses 6,034.1 5,434.9
Insurance and reinsurance companies | Directly attributable expenses | Other expenses    
Expenses    
Losses on claims, net 14,463.5 13,336.6
Compensation expense 1,137.3 1,030.5
Administrative expense and other 590.0 611.6
Expenses 16,190.8 14,978.7
As presented in the consolidated statement of earnings:    
Insurance service expenses 20,017.4 19,431.9
Recoveries of insurance service expenses (3,826.6) (4,453.2)
Expenses 16,190.8 14,978.7
Insurance and reinsurance companies | Non-directly attributable expenses | Other operating expenses    
Expenses    
Compensation expense 916.6 850.9
Administrative expense and other 714.6 782.2
Expenses 1,631.2 1,633.1
As presented in the consolidated statement of earnings:    
Other insurance operating expenses and Corporate and other expenses 1,631.2 1,633.1
Expenses 1,631.2 1,633.1
Non-insurance companies    
Expenses    
Cost of sales 5,194.4 4,145.6
Compensation expense 1,391.9 1,162.3
Administrative expense and other 1,610.6 1,162.6
Expenses 8,196.9 6,470.5
As presented in the consolidated statement of earnings:    
Non-insurance expenses 8,196.9 6,470.5
Expenses $ 8,196.9 $ 6,470.5