| Name | AociLiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeTax |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax, Beginning Balance | en-US | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax, Ending Balance | en-US | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:LiabilityForFuturePolicyBenefitActivityLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceLongDurationContractsTmp021 | |
us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitOriginalDiscountRateBeforeCashFlowAndReinsurance | summation-item | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceLongDurationContractsTmp021 | |
us-gaap:LiabilityForFuturePolicyBenefitActivityLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceLongDurationContractsTmp021LiabilityForFuturePolicyBenefitActivityTable | |
us-gaap:LiabilityForFuturePolicyBenefitExpectedFutureBenefitBeforeReinsuranceAfterDiscountRateChangeAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA | |
us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitRollForward | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA | |
us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitOriginalDiscountRateBeforeCashFlowAndReinsurance | summation-item | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA | |
us-gaap:AociLiabilityForFuturePolicyBenefitBeforeTax | summation-item | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA1 | |
us-gaap:LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitRollForward | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceALiabilityForFuturePolicyBenefitActivityTable |