| Name | ReturnOfNetDepositMember |
|---|---|
| Namespace | http://fasb.org/us-gaap/2022 |
| Prefix | us-gaap |
| Data type | dtr-types:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Return of Net Deposit [Member] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Guarantee for a return of net deposit on a guaranteed benefit obligation in traditional and nontraditional long-duration contracts with policy and contract holders. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| elementCreationTaxonomyVersion | 2015 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| 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 | 40 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 50 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 7B | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | https://asc.fasb.org/extlink&oid=124506351&loc=SL117782768-158439 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 944 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 20 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | 55 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 15 | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | https://asc.fasb.org/extlink&oid=124504833&loc=d3e7104-158389 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 944 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 80 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | 50 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 1 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Subparagraph | (d)(2)(a) | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | https://asc.fasb.org/extlink&oid=124508989&loc=d3e19393-158473 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:GuaranteedInsuranceContractTypeOfGuaranteeDomain | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:GuaranteedInsuranceContractTypeOfGuaranteeDomain | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceLiabilitiesForGuaranteesOnLongDurationContractsTable | |
us-gaap:GuaranteedInsuranceContractTypeOfGuaranteeDomain | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceLongDurationContractsAssumptionsByProductAndGuaranteeTable | |
us-gaap:GuaranteedInsuranceContractTypeOfGuaranteeDomain | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceNetAmountAtRiskByProductAndGuaranteeTable |