XML 110 R76.htm IDEA: XBRL DOCUMENT v3.22.0.1
Derivative and Hedging Instruments - Summary of Effects of Derivatives Not Designated in Qualifying Hedge Accounting Relationships (Detail) - Non designated [Member] - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about hedges [Line Items]    
Derivative investment income (loss) $ (5,928) $ 6,498
Interest rate swaps [Member]    
Disclosure of detailed information about hedges [Line Items]    
Derivative investment income (loss) (1,986) 2,423
Interest rate futures [Member]    
Disclosure of detailed information about hedges [Line Items]    
Derivative investment income (loss) (687) 894
Interest rate options [Member]    
Disclosure of detailed information about hedges [Line Items]    
Derivative investment income (loss) (133) 291
Foreign currency swaps [Member]    
Disclosure of detailed information about hedges [Line Items]    
Derivative investment income (loss) (166) (55)
Currency rate futures [Member]    
Disclosure of detailed information about hedges [Line Items]    
Derivative investment income (loss) 66 (47)
Forward contracts [Member]    
Disclosure of detailed information about hedges [Line Items]    
Derivative investment income (loss) (1,751) 3,785
Equity futures [Member]    
Disclosure of detailed information about hedges [Line Items]    
Derivative investment income (loss) (2,140) (1,111)
Equity contracts [Member]    
Disclosure of detailed information about hedges [Line Items]    
Derivative investment income (loss) 871 322
Credit default swaps [Member]    
Disclosure of detailed information about hedges [Line Items]    
Derivative investment income (loss) $ (2) $ (4)