Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities (Text) (Details 2)	12 Months Ended
	Dec. 31, 2020
DI [Member]
Liability for Policyholder Account Balances and Future Policy Benefits and Policy Claims and Other Policyholders Funds [Line Items]
Unpaid reported claims interest rate	4.50%
LTC insurance [Member]
Liability for Policyholder Account Balances and Future Policy Benefits and Policy Claims and Other Policyholders Funds [Line Items]
Unpaid reported claims interest rate	6.00%
Minimum [Member] | Term and whole life insurance [Member]
Liability for Policyholder Account Balances and Future Policy Benefits and Policy Claims and Other Policyholders Funds [Line Items]
Anticipated interest rate for future claims	2.25%
Minimum [Member] | DI [Member]
Liability for Policyholder Account Balances and Future Policy Benefits and Policy Claims and Other Policyholders Funds [Line Items]
Anticipated interest rate for future claims	2.25%
Minimum [Member] | LTC insurance [Member]
Liability for Policyholder Account Balances and Future Policy Benefits and Policy Claims and Other Policyholders Funds [Line Items]
Anticipated interest rate for future claims	5.00%
Maximum [Member] | Term and whole life insurance [Member]
Liability for Policyholder Account Balances and Future Policy Benefits and Policy Claims and Other Policyholders Funds [Line Items]
Anticipated interest rate for future claims	10.00%
Maximum [Member] | DI [Member]
Liability for Policyholder Account Balances and Future Policy Benefits and Policy Claims and Other Policyholders Funds [Line Items]
Anticipated interest rate for future claims	7.50%
Maximum [Member] | LTC insurance [Member]
Liability for Policyholder Account Balances and Future Policy Benefits and Policy Claims and Other Policyholders Funds [Line Items]
Anticipated interest rate for future claims	5.70%