v3.25.4
Segmented Information - Segmented Balance Sheet (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Assets      
Holding company cash and investments $ 2,724.9 $ 2,502.7  
Insurance contract receivables 1,006.2 780.4  
Portfolio investments 72,921.8 65,220.4  
Assets held for sale 3,445.9    
Reinsurance contract assets held 11,251.0 10,682.6  
Deferred income tax assets 367.1 325.0  
Goodwill and intangible assets 8,339.4 8,278.2 $ 6,376.3
Other assets 7,731.4 8,988.0  
Total assets 107,787.7 96,777.3  
Liabilities      
Accounts payable and accrued liabilities 6,119.7 6,078.3  
Derivative obligations 786.9 356.9  
Liabilities associated with assets held for sale 3,638.1    
Deferred income tax liabilities 1,946.7 1,714.0  
Insurance Contract Payables 338.3 923.0  
Insurance contract liabilities 50,441.0 47,602.2  
Borrowings 13,642.9 11,753.7 9,723.5
Total liabilities 76,913.6 68,428.1  
Equity      
Shareholders' equity attributable to shareholders of Fairfax 26,514.3 24,068.0  
Non-controlling interests 4,359.8 4,281.2  
Total equity 30,874.1 28,349.2 27,700.9
Total liabilities and total equity 107,787.7 96,777.3  
Holding company and insurance and reinsurance companies      
Liabilities      
Borrowings 10,455.7 8,858.2  
Non-insurance companies      
Liabilities      
Borrowings 3,187.2 2,895.5 $ 1,899.0
Non-insurance companies      
Equity      
Non-controlling interests 1,354.4 1,541.0  
Operating segments | Property and Casualty Insurance and Reinsurance      
Assets      
Holding company cash and investments 423.5 391.9  
Insurance contract receivables 940.7 763.6  
Portfolio investments 69,961.1 61,369.4  
Reinsurance contract assets held 11,727.5 11,203.0  
Deferred income tax assets 273.1 229.3  
Goodwill and intangible assets 4,016.4 4,083.3  
Due from affiliates 440.6 242.0  
Other assets 2,023.7 1,858.8  
Investments in affiliates 488.0 479.5  
Total assets 90,294.6 80,620.8  
Liabilities      
Accounts payable and accrued liabilities 2,175.1 2,054.3  
Derivative obligations 709.6 265.5  
Deferred income tax liabilities 1,047.1 958.1  
Insurance Contract Payables 301.5 309.2  
Insurance contract liabilities 49,339.1 44,261.7  
Due to affiliates 66.0 24.2  
Total liabilities 55,246.0 48,848.8  
Equity      
Shareholders' equity attributable to shareholders of Fairfax 32,048.6 29,036.2  
Non-controlling interests 3,000.0 2,735.8  
Total equity 35,048.6 31,772.0  
Total liabilities and total equity 90,294.6 80,620.8  
Operating segments | Property and Casualty Insurance and Reinsurance | Holding company and insurance and reinsurance companies      
Liabilities      
Borrowings 1,607.6 975.8  
Operating segments | Life insurance and Run-off      
Assets      
Insurance contract receivables 65.5 16.8  
Portfolio investments 1,819.6 4,090.6  
Assets held for sale 4,211.8    
Reinsurance contract assets held 427.2 413.7  
Deferred income tax assets   0.9  
Goodwill and intangible assets 7.1 12.8  
Due from affiliates 397.3 347.4  
Other assets 271.3 1,585.2  
Investments in affiliates 14.4 22.0  
Total assets 7,214.2 6,489.4  
Liabilities      
Accounts payable and accrued liabilities 338.2 346.3  
Derivative obligations 0.7 8.1  
Liabilities associated with assets held for sale 3,638.6    
Deferred income tax liabilities 3.2 64.4  
Insurance Contract Payables 36.8 613.8  
Insurance contract liabilities 2,021.4 4,280.2  
Total liabilities 6,038.9 5,312.8  
Equity      
Shareholders' equity attributable to shareholders of Fairfax 1,169.9 1,172.2  
Non-controlling interests 5.4 4.4  
Total equity 1,175.3 1,176.6  
Total liabilities and total equity 7,214.2 6,489.4  
Operating segments | Life insurance and Run-off | Eurolife FFH Life Insurance Group Holdings S.A. (Eurolife) | Discontinued operations      
Assets      
Portfolio investments 300.6    
Liabilities      
Accounts payable and accrued liabilities 34.0    
Operating segments | Non-insurance companies      
Assets      
Portfolio investments 2,545.6 2,291.9  
Deferred income tax assets 107.2 88.6  
Goodwill and intangible assets 4,315.8 4,181.7  
Due from affiliates 1.5 1.4  
Other assets 5,048.3 5,203.8  
Total assets 12,018.4 11,767.4  
Liabilities      
Accounts payable and accrued liabilities 3,089.2 3,170.4  
Derivative obligations 68.6 82.7  
Deferred income tax liabilities 520.4 514.3  
Due to affiliates 65.7 71.2  
Total liabilities 6,924.2 6,727.5  
Equity      
Shareholders' equity attributable to shareholders of Fairfax 3,739.8 3,498.9  
Non-controlling interests 1,354.4 1,541.0  
Total equity 5,094.2 5,039.9  
Total liabilities and total equity 12,018.4 11,767.4  
Operating segments | Non-insurance companies | Non-insurance companies      
Liabilities      
Borrowings 3,180.3 2,888.9  
Corporate and eliminations      
Assets      
Holding company cash and investments 2,301.4 2,110.8  
Portfolio investments (1,404.5) (2,531.5)  
Assets held for sale (765.9)    
Reinsurance contract assets held (903.7) (934.1)  
Deferred income tax assets (13.2) 6.2  
Goodwill and intangible assets 0.1 0.4  
Due from affiliates (839.4) (590.8)  
Other assets 388.1 340.2  
Investments in affiliates (502.4) (501.5)  
Total assets (1,739.5) (2,100.3)  
Liabilities      
Accounts payable and accrued liabilities 517.2 507.3  
Derivative obligations 8.0 0.6  
Liabilities associated with assets held for sale (0.5)    
Deferred income tax liabilities 376.0 177.2  
Insurance contract liabilities (919.5) (939.7)  
Due to affiliates (131.7) (95.4)  
Total liabilities 8,704.5 7,539.0  
Equity      
Shareholders' equity attributable to shareholders of Fairfax (10,444.0) (9,639.3)  
Total equity (10,444.0) (9,639.3)  
Total liabilities and total equity (1,739.5) (2,100.3)  
Corporate and eliminations | Holding company and insurance and reinsurance companies      
Liabilities      
Borrowings 8,848.1 7,882.4  
Corporate and eliminations | Non-insurance companies      
Liabilities      
Borrowings $ 6.9 $ 6.6