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Capital Management - Schedule of Consolidated Capital (Detail) - CAD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Disclosure of classes of share capital [abstract]    
Total equity $ 56,379 $ 58,869
Exclude AOCI gain/(loss) on cash flow hedges 8 (156)
Total equity excluding AOCI on cash flow hedges 56,371 59,025
Qualifying capital instruments 6,122 6,980
Consolidated capital $ 62,493 $ 66,005