v3.25.4
Risk Management - Potential Immediate Impact on Contractual Service Margin, Other Comprehensive Income to Shareholders and Total Comprehensive Income to Shareholders (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of credit risk exposure [line items]    
Percentage of equity hedges in the dynamic program offset against hedged variable annuity liability 95.00% 95.00%
-30%    
Disclosure of credit risk exposure [line items]    
Variable annuity and segregated fund guarantees reported in CSM $ (2,970) $ (3,420)
Impact of risk mitigation - hedging 870 940
Impact of risk mitigation - reinsurance 1,400 1,670
VA net of risk mitigation (700) (810)
General fund equity (1,410) (1,140)
Contractual service margin (pre-tax) (2,110) (1,950)
Other comprehensive income attributed to shareholders (post-tax) (920) (840)
Total comprehensive income attributed to shareholders (post-tax) (2,270) (2,090)
-20%    
Disclosure of credit risk exposure [line items]    
Variable annuity and segregated fund guarantees reported in CSM (1,820) (2,110)
Impact of risk mitigation - hedging 510 560
Impact of risk mitigation - reinsurance 850 1,020
VA net of risk mitigation (460) (530)
General fund equity (910) (740)
Contractual service margin (pre-tax) (1,370) (1,270)
Other comprehensive income attributed to shareholders (post-tax) (620) (560)
Total comprehensive income attributed to shareholders (post-tax) (1,510) (1,380)
-10%    
Disclosure of credit risk exposure [line items]    
Variable annuity and segregated fund guarantees reported in CSM (840) (970)
Impact of risk mitigation - hedging 220 250
Impact of risk mitigation - reinsurance 390 470
VA net of risk mitigation (230) (250)
General fund equity (440) (370)
Contractual service margin (pre-tax) (670) (620)
Other comprehensive income attributed to shareholders (post-tax) (300) (280)
Total comprehensive income attributed to shareholders (post-tax) (750) (680)
+10%    
Disclosure of credit risk exposure [line items]    
Variable annuity and segregated fund guarantees reported in CSM 730 840
Impact of risk mitigation - hedging (180) (190)
Impact of risk mitigation - reinsurance (330) (400)
VA net of risk mitigation 220 250
General fund equity 440 370
Contractual service margin (pre-tax) 660 620
Other comprehensive income attributed to shareholders (post-tax) 300 270
Total comprehensive income attributed to shareholders (post-tax) 740 660
+20%    
Disclosure of credit risk exposure [line items]    
Variable annuity and segregated fund guarantees reported in CSM 1,390 1,580
Impact of risk mitigation - hedging (320) (350)
Impact of risk mitigation - reinsurance (630) (740)
VA net of risk mitigation 440 490
General fund equity 880 750
Contractual service margin (pre-tax) 1,320 1,240
Other comprehensive income attributed to shareholders (post-tax) 580 530
Total comprehensive income attributed to shareholders (post-tax) 1,470 1,320
+30%    
Disclosure of credit risk exposure [line items]    
Variable annuity and segregated fund guarantees reported in CSM 1,980 2,250
Impact of risk mitigation - hedging (430) (470)
Impact of risk mitigation - reinsurance (890) (1,050)
VA net of risk mitigation 660 730
General fund equity 1,300 1,110
Contractual service margin (pre-tax) 1,960 1,840
Other comprehensive income attributed to shareholders (post-tax) 860 790
Total comprehensive income attributed to shareholders (post-tax) $ 2,190 $ 1,970