v3.25.0.1
Income Taxes - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Tax Credit Carryforward [Line Items]      
(Provision for) recovery of income taxes $ (209,000,000) $ (53,000,000) $ 163,000,000
Pillar Two tax $ 18,000,000 0
Effective income tax rate reconciliation, development and expansion incentive, percent 5.00%    
Tax benefit as a result of concessionary tax rate $ 21,000,000 9,000,000 $ 2,000,000
Nondeductible expense research and development 0 226,000,000  
Tax credit carryforwards 33,000,000 104,000,000  
Domestic Tax Jurisdiction      
Tax Credit Carryforward [Line Items]      
Non-capital tax losses 5,000,000 117,000,000  
Non-capital tax losses, no expiration 272,000,000    
Non-capital tax losses 34,000,000    
Capital losses 761,000,000    
Foreign      
Tax Credit Carryforward [Line Items]      
Non-capital tax losses 306,000,000 383,000,000  
Capital losses 1,700,000,000    
State      
Tax Credit Carryforward [Line Items]      
Non-capital tax losses 339,000,000 $ 1,500,000,000  
Non-capital tax losses, no expiration 6,000,000    
Non-capital tax losses $ 333,000,000