| Name | PolicyholderDividends |
|---|---|
| Namespace | http://fasb.org/us-gaap/2022 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Policyholder Dividends, Expense | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:PolicyholderDividendsRateOnPolicyEarnings | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:CostOfRevenue | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome | |
us-gaap:BenefitsLossesAndExpensesAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue | |
us-gaap:BenefitsLossesAndExpensesAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable | |
us-gaap:BenefitsLossesAndExpenses | summation-item | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftCalc1 | |
us-gaap:ParticipatingPoliciesAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance |