XML 144 R101.htm IDEA: XBRL DOCUMENT v3.25.3
Derivative Instruments - Cash Flow Hedges and Net Investment Hedges Reconciliation Related To Impacts on Consolidated Statement of Other Comprehensive Income, On a Pre-Tax Basis (Detail) - CAD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2025
Oct. 31, 2024
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items]    
Beginning Balance $ 5,419  
Ending Balance 7,986 $ 5,419
Cash Flow Hedges [member]    
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items]    
Beginning Balance (2,046) [1],[2] (7,477)
Gains / (losses) recognized in OCI 1,360 3,478
Amount reclassified to net income as the hedged item affects net income 1,448 1,953
Ending Balance [1],[2] 762 (2,046)
Active hedges 2,779 2,129
Discontinued hedges (2,017) (4,175)
Cash Flow Hedges [member] | Interest rate risk [member]    
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items]    
Beginning Balance (2,480) [1],[2] (8,015)
Gains / (losses) recognized in OCI 1,316 3,564
Amount reclassified to net income as the hedged item affects net income 1,600 1,971
Ending Balance [1],[2] 436 (2,480)
Active hedges 2,453 1,695
Discontinued hedges (2,017) (4,175)
Cash Flow Hedges [member] | Foreign exchange risk [member]    
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items]    
Beginning Balance 357 [1],[2] 610
Gains / (losses) recognized in OCI (214) (251)
Amount reclassified to net income as the hedged item affects net income (1) (2)
Ending Balance [1],[2] 142 357
Active hedges 142 357
Cash Flow Hedges [member] | Equity price risk [member]    
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items]    
Beginning Balance 77 [1],[2] (72)
Gains / (losses) recognized in OCI 258 165
Amount reclassified to net income as the hedged item affects net income (151) (16)
Ending Balance [1],[2] 184 77
Active hedges 184 77
Net Investment Hedges [member] | Foreign exchange risk [member]    
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items]    
Beginning Balance (2,324) [1],[2] (2,186)
Gains / (losses) recognized in OCI (105) (138)
Ending Balance [1],[2] (2,429) (2,324)
Active hedges (2,429) (2,324)
Hedged item [Member]    
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items]    
Beginning Balance (4,370) [1],[2] (9,663)
Gains / (losses) recognized in OCI 1,255 3,340
Amount reclassified to net income as the hedged item affects net income 1,448 1,953
Ending Balance [1],[2] (1,667) (4,370)
Active hedges 350 (195)
Discontinued hedges $ (2,017) $ (4,175)
[1] Tax balance related to cash flow hedges accumulated other comprehensive income was $(235) million as at October 31, 2025 ($527 million as at October 31, 2024).
[2] Tax balance related to net investment hedges accumulated other comprehensive income was $622 million as at October 31, 2025 ($593 million as at October 31, 2024).