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Risk Management - Summary of Effect of Conditional Master Netting and Similar Arrangements (Parenthetical) (Detail) - CAD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Disclosure of offsetting of financial assets [abstract]    
Accrued interest receivable $ 502 $ 488
Accrued interest payable 913 862
Over-collateralized on OTC derivative assets 20 507
Over-collateralized on OTC derivative liabilities 1,420 1,528
Over-collateralized on securities lending and reverse purchase agreements 424 63
Over-collateralized on repurchase agreements $ 0 $ 0