XML 177 R125.htm IDEA: XBRL DOCUMENT v3.25.3
Loans, Impaired Loans and Allowance for Credit Losses - Summary of Key Macroeconomic Variables Used for Allowance for Credit Losses Calculations (Detail)
 12 Months Ended
Oct. 31, 2025
$ / lb
$ / bbl
Oct. 31, 2024
$ / lb
$ / bbl
Base case scenario [member] | Canada [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 1.20% 1.80%
Consumer price index, y/y % 1.90% 2.20%
Unemployment rate, average % 7.00% 6.70%
Bank of Canada overnight rate target, average % 2.30% 3.30%
HPI – Housing Price Index, y/y % change 1.90% 1.60%
USD/CAD exchange rate, average 1.32 1.34
Base case scenario [member] | Canada [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.20% 2.20%
Consumer price index, y/y % 2.20% 2.00%
Unemployment rate, average % 5.80% 6.00%
Bank of Canada overnight rate target, average % 2.80% 2.60%
HPI – Housing Price Index, y/y % change 6.20% 4.20%
USD/CAD exchange rate, average 1.3 1.3
Base case scenario [member] | United States [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 1.40% 1.60%
Consumer price index, y/y % 2.60% 2.40%
Target federal funds rate, upper limit, average % 3.30% 4.10%
Unemployment rate, average % 4.50% 4.30%
Base case scenario [member] | United States [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.30% 2.20%
Consumer price index, y/y % 2.50% 2.30%
Target federal funds rate, upper limit, average % 3.00% 2.90%
Unemployment rate, average % 4.30% 4.30%
Base case scenario [member] | Mexico [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change (0.20%) 1.30%
Unemployment rate, average % 3.30% 3.30%
Base case scenario [member] | Mexico [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.20% 2.10%
Unemployment rate, average % 3.70% 3.90%
Base case scenario [member] | Chile [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.40% 3.00%
Unemployment rate, average % 7.90% 7.90%
Base case scenario [member] | Chile [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.00% 2.20%
Unemployment rate, average % 6.70% 6.70%
Base case scenario [member] | Peru [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.90% 2.60%
Unemployment rate, average % 5.70% 6.70%
Base case scenario [member] | Peru [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.10% 3.40%
Unemployment rate, average % 6.10% 6.20%
Base case scenario [member] | Colombia [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.90% 2.60%
Unemployment rate, average % 10.30% 11.10%
Base case scenario [member] | Colombia [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.50% 2.70%
Unemployment rate, average % 9.90% 10.10%
Base case scenario [member] | Caribbean [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.70% 3.60%
Base case scenario [member] | Caribbean [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 4.00% 3.80%
Base case scenario [member] | Global WTI oil price [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / bbl 60 73
Base case scenario [member] | Global WTI oil price [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / bbl 66 69
Base case scenario [member] | Global Copper price [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / lb 4.19 4.99
Base case scenario [member] | Global Copper price [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / lb 4.68 5.29
Base case scenario [member] | Global GDP and PPP [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Global GDP, y/y % change 2.20% 3.40%
Base case scenario [member] | Global GDP and PPP [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Global GDP, y/y % change 2.70% 2.40%
Alternative Scenario - Optimistic [member] | Canada [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.40% 2.80%
Consumer price index, y/y % 2.10% 2.40%
Unemployment rate, average % 6.60% 6.30%
Bank of Canada overnight rate target, average % 2.80% 3.50%
HPI – Housing Price Index, y/y % change 2.60% 2.40%
USD/CAD exchange rate, average 1.31 1.33
Alternative Scenario - Optimistic [member] | Canada [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.10% 3.10%
Consumer price index, y/y % 2.70% 2.50%
Unemployment rate, average % 4.70% 5.00%
Bank of Canada overnight rate target, average % 3.70% 3.60%
HPI – Housing Price Index, y/y % change 7.70% 5.50%
USD/CAD exchange rate, average 1.29 1.28
Alternative Scenario - Optimistic [member] | United States [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 1.90% 2.30%
Consumer price index, y/y % 2.70% 2.60%
Target federal funds rate, upper limit, average % 3.50% 4.10%
Unemployment rate, average % 4.40% 4.20%
Alternative Scenario - Optimistic [member] | United States [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.20% 3.10%
Consumer price index, y/y % 2.80% 2.70%
Target federal funds rate, upper limit, average % 3.50% 3.40%
Unemployment rate, average % 4.00% 3.90%
Alternative Scenario - Optimistic [member] | Mexico [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 0.60% 2.60%
Unemployment rate, average % 3.20% 3.00%
Alternative Scenario - Optimistic [member] | Mexico [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.90% 2.90%
Unemployment rate, average % 3.10% 3.10%
Alternative Scenario - Optimistic [member] | Chile [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.50% 4.60%
Unemployment rate, average % 7.70% 7.60%
Alternative Scenario - Optimistic [member] | Chile [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.80% 3.20%
Unemployment rate, average % 6.40% 6.00%
Alternative Scenario - Optimistic [member] | Peru [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 4.10% 3.60%
Unemployment rate, average % 5.30% 6.20%
Alternative Scenario - Optimistic [member] | Peru [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 4.00% 4.50%
Unemployment rate, average % 5.20% 5.20%
Alternative Scenario - Optimistic [member] | Colombia [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 4.00% 3.70%
Unemployment rate, average % 10.00% 10.70%
Alternative Scenario - Optimistic [member] | Colombia [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.40% 3.80%
Unemployment rate, average % 9.10% 9.10%
Alternative Scenario - Optimistic [member] | Caribbean [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 4.40% 4.20%
Alternative Scenario - Optimistic [member] | Caribbean [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 4.70% 4.50%
Alternative Scenario - Optimistic [member] | Global WTI oil price [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / bbl 64 78
Alternative Scenario - Optimistic [member] | Global WTI oil price [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / bbl 78 83
Alternative Scenario - Optimistic [member] | Global Copper price [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / lb 4.29 5.16
Alternative Scenario - Optimistic [member] | Global Copper price [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / lb 5.03 5.86
Alternative Scenario - Optimistic [member] | Global GDP and PPP [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Global GDP, y/y % change 3.00% 4.30%
Alternative Scenario - Optimistic [member] | Global GDP and PPP [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Global GDP, y/y % change 3.50% 3.30%
Alternative Scenario - Pessimistic [member] | Canada [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change (1.10%) (1.60%)
Consumer price index, y/y % 1.40% 1.60%
Unemployment rate, average % 8.20% 8.40%
Bank of Canada overnight rate target, average % 2.10% 2.90%
HPI – Housing Price Index, y/y % change (2.00%) (3.70%)
USD/CAD exchange rate, average 1.37 1.43
Alternative Scenario - Pessimistic [member] | Canada [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.70% 2.90%
Consumer price index, y/y % 2.00% 1.70%
Unemployment rate, average % 6.40% 6.90%
Bank of Canada overnight rate target, average % 2.40% 2.00%
HPI – Housing Price Index, y/y % change 6.70% 4.80%
USD/CAD exchange rate, average 1.29 1.28
Alternative Scenario - Pessimistic [member] | United States [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change (1.00%) (1.60%)
Consumer price index, y/y % 2.70% 1.30%
Target federal funds rate, upper limit, average % 3.20% 3.60%
Unemployment rate, average % 5.80% 6.00%
Alternative Scenario - Pessimistic [member] | United States [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.00% 3.00%
Consumer price index, y/y % 2.40% 2.00%
Target federal funds rate, upper limit, average % 2.70% 1.80%
Unemployment rate, average % 4.80% 4.90%
Alternative Scenario - Pessimistic [member] | Mexico [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change (2.40%) (0.80%)
Unemployment rate, average % 3.90% 4.10%
Alternative Scenario - Pessimistic [member] | Mexico [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.60% 2.60%
Unemployment rate, average % 3.80% 4.00%
Alternative Scenario - Pessimistic [member] | Chile [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 0.30% 0.10%
Unemployment rate, average % 9.00% 9.50%
Alternative Scenario - Pessimistic [member] | Chile [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 2.60% 3.00%
Unemployment rate, average % 6.90% 7.00%
Alternative Scenario - Pessimistic [member] | Peru [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 0.60% 1.50%
Unemployment rate, average % 6.70% 8.10%
Alternative Scenario - Pessimistic [member] | Peru [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.60% 3.70%
Unemployment rate, average % 6.50% 6.50%
Alternative Scenario - Pessimistic [member] | Colombia [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 0.70% 1.40%
Unemployment rate, average % 12.00% 13.50%
Alternative Scenario - Pessimistic [member] | Colombia [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.00% 3.10%
Unemployment rate, average % 10.50% 10.60%
Alternative Scenario - Pessimistic [member] | Caribbean [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 1.60% 2.50%
Alternative Scenario - Pessimistic [member] | Caribbean [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 4.40% 4.20%
Alternative Scenario - Pessimistic [member] | Global WTI oil price [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / bbl 53 60
Alternative Scenario - Pessimistic [member] | Global WTI oil price [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / bbl 61 60
Alternative Scenario - Pessimistic [member] | Global Copper price [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / lb 3.92 4.5
Alternative Scenario - Pessimistic [member] | Global Copper price [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / lb 4.6 5.13
Alternative Scenario - Pessimistic [member] | Global GDP and PPP [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Global GDP, y/y % change 0.30% 0.60%
Alternative Scenario - Pessimistic [member] | Global GDP and PPP [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Global GDP, y/y % change 3.20% 3.10%
Alternative Scenario - Very Pessimistic [Member] | Canada [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change (4.40%) (4.40%)
Consumer price index, y/y % 5.00% 5.80%
Unemployment rate, average % 11.20% 11.10%
Bank of Canada overnight rate target, average % 3.10% 4.00%
HPI – Housing Price Index, y/y % change (5.10%) (5.80%)
USD/CAD exchange rate, average 1.45 1.49
Alternative Scenario - Very Pessimistic [Member] | Canada [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.40% 3.40%
Consumer price index, y/y % 2.40% 2.20%
Unemployment rate, average % 7.00% 7.30%
Bank of Canada overnight rate target, average % 3.30% 3.20%
HPI – Housing Price Index, y/y % change 6.20% 4.10%
USD/CAD exchange rate, average 1.3 1.3
Alternative Scenario - Very Pessimistic [Member] | United States [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change (3.70%) (4.00%)
Consumer price index, y/y % 6.00% 6.20%
Target federal funds rate, upper limit, average % 3.90% 4.80%
Unemployment rate, average % 8.10% 8.10%
Alternative Scenario - Very Pessimistic [Member] | United States [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.50% 3.40%
Consumer price index, y/y % 2.70% 2.50%
Target federal funds rate, upper limit, average % 3.60% 3.40%
Unemployment rate, average % 5.20% 5.20%
Alternative Scenario - Very Pessimistic [Member] | Mexico [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change (5.50%) (2.90%)
Unemployment rate, average % 6.10% 6.30%
Alternative Scenario - Very Pessimistic [Member] | Mexico [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.30% 3.20%
Unemployment rate, average % 4.60% 4.90%
Alternative Scenario - Very Pessimistic [Member] | Chile [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change (3.70%) (3.60%)
Unemployment rate, average % 11.20% 11.50%
Alternative Scenario - Very Pessimistic [Member] | Chile [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.50% 3.80%
Unemployment rate, average % 7.30% 7.40%
Alternative Scenario - Very Pessimistic [Member] | Peru [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change (1.00%) (0.50%)
Unemployment rate, average % 10.50% 11.80%
Alternative Scenario - Very Pessimistic [Member] | Peru [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 4.10% 4.30%
Unemployment rate, average % 7.60% 8.00%
Alternative Scenario - Very Pessimistic [Member] | Colombia [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change (1.00%) (0.50%)
Unemployment rate, average % 18.90% 19.80%
Alternative Scenario - Very Pessimistic [Member] | Colombia [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 3.50% 3.60%
Unemployment rate, average % 12.50% 13.00%
Alternative Scenario - Very Pessimistic [Member] | Caribbean [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change (0.60%) 0.60%
Alternative Scenario - Very Pessimistic [Member] | Caribbean [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Real GDP growth, y/y % change 4.90% 4.70%
Alternative Scenario - Very Pessimistic [Member] | Global WTI oil price [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / bbl 45 53
Alternative Scenario - Very Pessimistic [Member] | Global WTI oil price [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / bbl 56 58
Alternative Scenario - Very Pessimistic [Member] | Global Copper price [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / lb 3.61 4.32
Alternative Scenario - Very Pessimistic [Member] | Global Copper price [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Average price of hedging instrument | $ / lb 4.47 5.02
Alternative Scenario - Very Pessimistic [Member] | Global GDP and PPP [member] | Next 12 Months [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Global GDP, y/y % change (2.20%) (1.50%)
Alternative Scenario - Very Pessimistic [Member] | Global GDP and PPP [member] | Remaining forecast period [member]    
Disclosure of Primary Macroeconomic Drivers of Credit Losses [Line Items]    
Global GDP, y/y % change 3.70% 3.50%