v3.26.1
Segmented Information - Segmented Assets (Details) - CAD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of operating segments [line items]    
Assets $ 91,830 $ 85,359
Operating segments | North America    
Disclosure of operating segments [line items]    
Assets 33,462 32,670
Operating segments | North Sea    
Disclosure of operating segments [line items]    
Assets 789 702
Operating segments | Offshore Africa    
Disclosure of operating segments [line items]    
Assets 1,398 1,412
Operating segments | Other    
Disclosure of operating segments [line items]    
Assets 35 31
Operating segments | Oil Sands Mining and Upgrading    
Disclosure of operating segments [line items]    
Assets 54,699 49,221
Operating segments | Midstream and Refining    
Disclosure of operating segments [line items]    
Assets 1,142 1,099
Head Office    
Disclosure of operating segments [line items]    
Assets $ 305 $ 224