v3.26.1
Share Capital - Narrative (Details)
$ / shares in Units, $ in Millions
2 Months Ended 12 Months Ended
Mar. 04, 2026
$ / shares
Mar. 05, 2025
$ / shares
Oct. 07, 2024
$ / shares
Jun. 10, 2024
Feb. 28, 2024
$ / shares
Mar. 03, 2026
CAD ($)
$ / shares
shares
Mar. 12, 2026
Dec. 31, 2025
CAD ($)
$ / shares
shares
Mar. 10, 2025
shares
Disclosure of terms and conditions of share-based payment arrangement [line items]                  
Dividend increase percentage 6.00% 4.00% 7.00%   5.00%        
Dividend declared (in CAD per share) | $ / shares $ 0.625 $ 0.5875 $ 0.5625   $ 0.525        
Normal course issuer bid, percent of issued and outstanding shares 10.00%               10.00%
Share repurchase term             12 months    
Shares repurchased and retired (in shares) | shares           3,300,000   33,480,000  
Weighted average price per share of shares repurchased and retired (in CAD per share) | $ / shares           $ 51.12   $ 43.28  
Purchase of common shares under normal course issuer bid | $           $ 169   $ 1,467  
Stock split conversion ratio       2          
Stock options                  
Disclosure of terms and conditions of share-based payment arrangement [line items]                  
Vesting term (in years)               5 years  
Shares that may be reserved for issuance as a percentage of common shares outstanding               7.00%  
Retained earnings                  
Disclosure of terms and conditions of share-based payment arrangement [line items]                  
Purchase of common shares under normal course issuer bid | $               $ 1,287  
Bottom of range | Stock options                  
Disclosure of terms and conditions of share-based payment arrangement [line items]                  
Expiration term               5 years  
Top of range                  
Disclosure of terms and conditions of share-based payment arrangement [line items]                  
Shares authorized to be repurchased through Normal Course Issuer Bid (in shares) | shares                 178,738,237
Top of range | Stock options                  
Disclosure of terms and conditions of share-based payment arrangement [line items]                  
Expiration term               6 years