| Name | InterestCreditedToPolicyholdersAccountBalances |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| 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 Account Balance, Interest Expense | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Amount of interest expense for allocation to policyholder account balance. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| PublishDate | 2019-01 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Source | Taxonomy Implementation Guide | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Insurance-Long-Duration Contracts | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| pdfURI | https://www.fasb.org/insurancelongduration_2020 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | ASC Reorganization | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2018 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2017-11 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| SourceName | Long-duration Insurance | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2019 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2018-08 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedLabels | true | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedDocumentation | true | http://fasb.org/srt/role/changeNote/changeNote |
| PreviousDocumentation | Interest allocated to policyholders holding contracts under which the insurer must provide a guaranteed yield. | http://fasb.org/srt/role/changeNote/changeNote |
| Source_ASU_Number | 2018-12 | http://fasb.org/srt/role/changeNote/changeNote |
| Publisher | FASB | http://www.xbrl.org/2003/role/exampleRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/exampleRef |
| Topic | 944 | http://www.xbrl.org/2003/role/exampleRef |
| SubTopic | 40 | http://www.xbrl.org/2003/role/exampleRef |
| Section | 55 | http://www.xbrl.org/2003/role/exampleRef |
| Paragraph | 13J | http://www.xbrl.org/2003/role/exampleRef |
| Subparagraph | (g) | http://www.xbrl.org/2003/role/exampleRef |
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| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/exampleRef |
| Topic | 944 | http://www.xbrl.org/2003/role/exampleRef |
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| Section | 55 | http://www.xbrl.org/2003/role/exampleRef |
| Paragraph | 29F | http://www.xbrl.org/2003/role/exampleRef |
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| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 944 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 20 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 45 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 2 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (c) | http://www.xbrl.org/2003/role/disclosureRef |
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| Name | Accounting Standards Codification | http://www.xbrl.org/2009/role/commonPracticeRef |
| Topic | 944 | http://www.xbrl.org/2009/role/commonPracticeRef |
| SubTopic | 40 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 50 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 7A | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subparagraph | (a) | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | http://asc.fasb.org/extlink&oid=121643868&loc=SL117782755-158439 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Publisher | FASB | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2009/role/commonPracticeRef |
| Topic | 944 | http://www.xbrl.org/2009/role/commonPracticeRef |
| SubTopic | 220 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | S99 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 1 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subparagraph | (SX 210.7-04(6)) | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 | http://www.xbrl.org/2009/role/commonPracticeRef |
| 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:InsuranceIndustryIncomeExpenseAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:PolicyholderAccountBalanceRollForward | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA | |
us-gaap:PolicyholderAccountBalanceRollForward | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAPolicyholderAccountBalanceTable |