v3.25.4
EARNINGS PER COMMON SHARE (Details) - CAD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Earnings Per Share [Abstract]    
Net income attributable to common shareholders, basic $ 1,339 $ 1,156
Net income attributable to common shareholders, diluted $ 1,339 $ 1,156
Weighted-average number of shares    
Basic (in shares) 599,692,817 599,342,299
Effect of dilutive stock-based compensation plans (in shares) 1,020,183 1,318,179
Diluted (in shares) 600,713,000 600,660,478
EPS    
Basic (in dollars per share) $ 2.23 $ 1.93
Diluted (in dollars per share) $ 2.23 $ 1.92