v3.26.1
Equity (Narrative) (Details) - CAD ($)
$ / shares in Units, shares in Millions, $ in Billions
3 Months Ended 6 Months Ended
May 27, 2026
Apr. 30, 2026
Apr. 30, 2026
Apr. 30, 2026
Apr. 30, 2025
Jan. 20, 2026
Jan. 16, 2026
Feb. 24, 2025
2026 NCIB [member]                
Disclosure of classes of share capital [line items]                
Number of shares repurchased price per share   $ 131.51            
Number of shares issued during period   23.2 19.4          
Purchased during period   $ 3.1 $ 2.6          
Top of range [member] | 2025 NCIB [member]                
Disclosure of classes of share capital [line items]                
Common stock shares authorized to be repurchased               100.0
Stock repurchase program authorized amount               $ 8.0
Top of range [member] | 2026 NCIB [member]                
Disclosure of classes of share capital [line items]                
Common stock shares authorized to be repurchased             61.0  
Stock repurchase program authorized amount           $ 7.0 $ 7.0  
Dividend Reinvestment Plan [Member] | Bottom of range [member]                
Disclosure of classes of share capital [line items]                
Percentage of discount given to shareholders for reinvestment of dividend into additional common shares       0.00%        
Dividend Reinvestment Plan [Member] | Top of range [member]                
Disclosure of classes of share capital [line items]                
Percentage of discount given to shareholders for reinvestment of dividend into additional common shares       5.00%        
No Discount [Member] | Dividend Reinvestment Plan [Member]                
Disclosure of classes of share capital [line items]                
Percent of discount from share issuance         0.00%      
Ordinary Share Transactions [Member]                
Disclosure of classes of share capital [line items]                
Dividends common stock $ 1.12