| Type | including |
|---|---|
| Role | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceLongDurationContractsTmp031PolicyholderAccountBalanceGuaranteedMinimumCreditingRateTable |
| Type | Element |
|---|---|
| Hypercube | us-gaap:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateTable |
| Explicit | srt:RangeAxis |
| Member | srt:RangeMember |
| Member | srt:MaximumMember |
| Member | srt:MinimumMember |
| Explicit | srt:ProductOrServiceAxis |
| Member | srt:ProductsAndServicesDomain |
| Member | us-gaap:UniversalLifeMember |
| Member | us-gaap:FixedAnnuityMember |
| Explicit | us-gaap:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeAxis |
| Member | us-gaap:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeDomain |
| Member | us-gaap:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0200To0299Member |
| Member | us-gaap:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0300To0399Member |
| Member | us-gaap:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0400AndGreaterMember |
| Explicit | us-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateAxis |
| Member | us-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateDomain |
| Member | us-gaap:PolicyholderAccountBalanceAtGuaranteedMinimumCreditingRateMember |
| Member | us-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0001To0050Member |
| Member | us-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0150Member |
| Member | us-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0151AndGreaterMember |
| Label/QName |
|---|
us-gaap:PolicyholderAccountBalanceGuaranteedMinimumCreditingRateLineItems |
us-gaap:PolicyholderAccountBalanceGuaranteedMinimumCreditRating |
us-gaap:PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRate |
us-gaap:PolicyholderFunds |