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Risk Management - Schedule of Distribution of Debt Securities and Private Placements Portfolio by Sector and Industry (Detail) - CAD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of Distribution of Debt Securities and Private Placement Portfolio by Sector and Industry [line items] |  |
Carrying value | $ 250,961 | $ 266,981
% of total | 100.00% | 100.00%
Government and agency [Member] |  |
Disclosure of Distribution of Debt Securities and Private Placement Portfolio by Sector and Industry [line items] |  |
Carrying value | $ 77,236 | $ 84,244
% of total | 31.00% | 32.00%
Utilities [Member] |  |
Disclosure of Distribution of Debt Securities and Private Placement Portfolio by Sector and Industry [line items] |  |
Carrying value | $ 46,315 | $ 48,372
% of total | 18.00% | 18.00%
Financial [Member] |  |
Disclosure of Distribution of Debt Securities and Private Placement Portfolio by Sector and Industry [line items] |  |
Carrying value | $ 38,808 | $ 38,905
% of total | 15.00% | 15.00%
Consumer [Member] |  |
Disclosure of Distribution of Debt Securities and Private Placement Portfolio by Sector and Industry [line items] |  |
Carrying value | $ 31,556 | $ 32,671
% of total | 13.00% | 12.00%
Energy [Member] |  |
Disclosure of Distribution of Debt Securities and Private Placement Portfolio by Sector and Industry [line items] |  |
Carrying value | $ 16,314 | $ 19,637
% of total | 7.00% | 7.00%
Industrial [Member] |  |
Disclosure of Distribution of Debt Securities and Private Placement Portfolio by Sector and Industry [line items] |  |
Carrying value | $ 23,823 | $ 24,727
% of total | 9.00% | 9.00%
Other [Member] |  |
Disclosure of Distribution of Debt Securities and Private Placement Portfolio by Sector and Industry [line items] |  |
Carrying value | $ 16,909 | $ 18,425
% of total | 7.00% | 7.00%

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