| Type | including |
|---|---|
| Role | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable |
| Type | Element |
|---|---|
| Hypercube | us-gaap:ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable |
| Explicit | us-gaap:SeparateAccountAssetCategoryAxis |
| Member | us-gaap:SeparateAccountAssetCategoryDomain |
| Member | us-gaap:SeparateAccountCashAndCashEquivalentsMember |
| Member | us-gaap:SeparateAccountDebtSecurityMember |
| Member | us-gaap:SeparateAccountDerivativeMember |
| Member | us-gaap:SeparateAccountEquitySecurityMember |
| Member | us-gaap:SeparateAccountMortgageBackedSecurityMember |
| Member | us-gaap:SeparateAccountRealEstateMember |
| Member | us-gaap:SeparateAccountShortTermInvestmentMember |
| Label/QName |
|---|
us-gaap:ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentLineItems |
us-gaap:SeparateAccountAssets |