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Critical accounting estimates and judgment in applying accounting policies (Tables)
12 Months Ended
Dec. 31, 2022
Text block [abstract]  
Sensitivity Analysis of DPAC And VOBA Balances to Changes in Expected Long Term Equity Growth Rate Explanatory
Sensitivity analysis of DPAC and VOBA balances to changes in in expected long-term equity growth rate
 
    
        2022        
            2021          
     
Estimated approximate effect
  
 
DPAC /VOBA
 
    DPAC /VOBA  
     
1% decrease in the expected long-term equity growth rate
     (113     (95
Sensitivity Analysis of Net Result to Changes in Various Underwriting Risks Explanatory
Sensitivity analysis of net result to changes in various underwriting risks
 
    
        2022        
            2021          
     
Estimated approximate effect
  
 
Net Result
 
    Net Result  
     
10% increase to mortality assumption
     (222     (128
     
20% increase in the lapse rate assumption
     15       71  
Sensitivity Analysis of GPV to Changes in Various Underwriting Risks Explanatory
Sensitivity analysis of GPV to changes in various underwriting risks
 
    
        2022        
            2021          
Estimated approximate effect
  
 
GPV
 
    GPV  
5% increase in the utilization rates
     208       195  
     
5% decrease in the utilization rates
     (222     (201
     
10% decrease expected mortality
  
 
129
 
    122  
     
10% increase expected mortality
     (123     (114