XML 147 R113.htm IDEA: XBRL DOCUMENT v3.22.0.1
Risk Management - Schedule of Geographic Concentration of Insurance and Investment Contract Liabilities, Including Embedded Derivatives (Detail) - CAD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Disclosure of Concentration Risk [Line items]    
Concentration risk of liabilities $ 350,909 $ 342,890
US and Canada [Member]    
Disclosure of Concentration Risk [Line items]    
Concentration risk of liabilities 228,284 229,203
Asia and Other [Member]    
Disclosure of Concentration Risk [Line items]    
Concentration risk of liabilities 122,625 113,687
Gross insurance contract liabilities [Member]    
Disclosure of Concentration Risk [Line items]    
Concentration risk of liabilities 395,488 388,726
Gross insurance contract liabilities [Member] | US and Canada [Member]    
Disclosure of Concentration Risk [Line items]    
Concentration risk of liabilities 271,090 273,848
Gross insurance contract liabilities [Member] | Asia and Other [Member]    
Disclosure of Concentration Risk [Line items]    
Concentration risk of liabilities 124,398 114,878
Reinsurance assets [Member]    
Disclosure of Concentration Risk [Line items]    
Concentration risk of liabilities (44,579) (45,836)
Reinsurance assets [Member] | US and Canada [Member]    
Disclosure of Concentration Risk [Line items]    
Concentration risk of liabilities (42,806) (44,645)
Reinsurance assets [Member] | Asia and Other [Member]    
Disclosure of Concentration Risk [Line items]    
Concentration risk of liabilities $ (1,773) $ (1,191)