v3.25.4
Segmented Information - Non-insurance companies (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Segmented Information    
Revenue $ 8,537.6 $ 6,682.8
Expenses (8,196.9) (6,470.5)
Interest and dividends 2,332.7 2,341.9
Share of profit (loss) of associates 816.1 956.3
Operating income (loss) 6,104.9 6,683.0
Non-insurance companies    
Segmented Information    
Revenue 8,537.6 6,682.8
Expenses (8,196.9) (6,470.5)
Interest and dividends (22.3) (9.1)
Share of profit (loss) of associates 749.2 898.6
Operating income (loss) 397.4 241.4
Operating segments | Non-insurance companies    
Segmented Information    
Revenue 8,537.6 6,682.8
Expenses (8,196.9) (6,470.5)
Pre-tax income (loss) before interest expense and other 340.7 212.3
Interest and dividends (22.3) (9.1)
Share of profit (loss) of associates 79.0 38.2
Operating income (loss) 397.4 241.4
Operating segments | Non-insurance companies | Restaurants and retail    
Segmented Information    
Revenue 2,486.0 1,953.9
Expenses (2,266.5) (1,797.9)
Pre-tax income (loss) before interest expense and other 219.5 156.0
Interest and dividends 8.9 10.0
Share of profit (loss) of associates   0.1
Operating income (loss) 228.4 166.1
Operating segments | Non-insurance companies | Fairfax India    
Segmented Information    
Revenue 403.5 319.2
Expenses (365.4) (281.9)
Pre-tax income (loss) before interest expense and other 38.1 37.3
Interest and dividends (35.1) (21.3)
Share of profit (loss) of associates 79.1 39.0
Operating income (loss) 82.1 55.0
Operating segments | Non-insurance companies | Thomas Cook India    
Segmented Information    
Revenue 1,031.8 973.4
Expenses (988.3) (929.3)
Pre-tax income (loss) before interest expense and other 43.5 44.1
Share of profit (loss) of associates 0.4 0.5
Operating income (loss) 43.9 44.6
Operating segments | Non-insurance companies | Other    
Segmented Information    
Revenue 4,616.3 3,436.3
Expenses (4,576.7) (3,461.4)
Pre-tax income (loss) before interest expense and other 39.6 (25.1)
Interest and dividends 3.9 2.2
Share of profit (loss) of associates (0.5) (1.4)
Operating income (loss) 43.0 $ (24.3)
Operating segments | Non-insurance companies | Other | Boat Rocker    
Segmented Information    
Impairment loss recognised in profit or loss, goodwill $ 108.6