v3.26.1
Share Capital - Outstanding Common Shares (Details)
shares in Thousands, $ in Millions
 2 Months Ended 12 Months Ended
Mar. 03, 2026
CAD ($)
shares
Dec. 31, 2025
CAD ($)
shares
Dec. 31, 2024
CAD ($)
shares
Dec. 31, 2023
CAD ($)
shares
Number of shares
(thousands)        
Issued upon exercise of stock options (in shares) | shares   12,062 13,531  
Purchase of common shares under Normal Course Issuer Bid (In shares) | shares (3,300) (33,480)    
Amount        
Balance – beginning of year $ 44,366 $ 39,468 $ 39,832  
Purchase of common shares under Normal Course Issuer Bid (169) (1,467)    
Balance – end of year   44,366 39,468 $ 39,832
Share capital        
Amount        
Balance – beginning of year $ 11,421 11,064 10,712 10,294
Issued upon exercise of stock options   264 280 372
Previously recognized liability on stock options exercised ‍for common shares   273 358 435
Balance – end of year   $ 11,421 $ 11,064 $ 10,712
Ordinary shares | Share capital        
Number of shares
(thousands)        
Balance - beginning of year (in shares) | shares 2,081,578 2,102,996 2,144,815  
Issued upon exercise of stock options (in shares) | shares   12,062 13,531  
Purchase of common shares under Normal Course Issuer Bid (In shares) | shares   (33,480) (55,350)  
Balance - end of year (in shares) | shares   2,081,578 2,102,996 2,144,815
Amount        
Balance – beginning of year $ 11,421 $ 11,064 $ 10,712  
Issued upon exercise of stock options   264 280  
Previously recognized liability on stock options exercised ‍for common shares   273 358  
Purchase of common shares under Normal Course Issuer Bid   (180) (286) $ (389)
Balance – end of year   $ 11,421 $ 11,064 $ 10,712