XML 230 R201.htm IDEA: XBRL DOCUMENT v3.24.0.1
Segregated Funds - Additional Information (Detail) - CAD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Disclosure of subsidiaries [abstract]    
Guarantees included in insurance contract liabilities $ 2,675 $ 3,496
Guarantees reinsurance contracts $ 980 $ 1,249