<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.23.3</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1029</ContextCount>
  <ElementCount>329</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>145</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/DocumentandEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0000002 - Statement - Condensed Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/CondensedConsolidatedBalanceSheets</Role>
      <ShortName>Condensed Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>0000003 - Statement - Condensed Consolidated Balance Sheets Parenthetical</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/CondensedConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Condensed Consolidated Balance Sheets Parenthetical</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>0000004 - Statement - Condensed Consolidated Statements of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/CondensedConsolidatedStatementsofOperations</Role>
      <ShortName>Condensed Consolidated Statements of Operations</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>0000005 - Statement - Condensed Consolidated Statements of Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/CondensedConsolidatedStatementsofComprehensiveIncome</Role>
      <ShortName>Condensed Consolidated Statements of Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>0000006 - Statement - Condensed Consolidated Statements of Changes in Shareholder's Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/CondensedConsolidatedStatementsofChangesinShareholdersEquity</Role>
      <ShortName>Condensed Consolidated Statements of Changes in Shareholder's Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>0000007 - Statement - Condensed Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/CondensedConsolidatedStatementsofCashFlows</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>0000009 - Disclosure - Business, Basis of Presentation and Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/BusinessBasisofPresentationandSignificantAccountingPolicies</Role>
      <ShortName>Business, Basis of Presentation and Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>0000012 - Disclosure - Financial Services, Insurance, ASU 2018-12 Transition</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/FinancialServicesInsuranceASU201812Transition</Role>
      <ShortName>Financial Services, Insurance, ASU 2018-12 Transition</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>0000013 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>0000014 - Disclosure - Deferred Policy Acquisition Costs and Value of Business Acquired</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/DeferredPolicyAcquisitionCostsandValueofBusinessAcquired</Role>
      <ShortName>Deferred Policy Acquisition Costs and Value of Business Acquired</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>0000016 - Disclosure - Other Income and Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/OtherIncomeandExpenses</Role>
      <ShortName>Other Income and Expenses</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>0000017 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>0000018 - Disclosure - Financing Agreements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/FinancingAgreements</Role>
      <ShortName>Financing Agreements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>0000019 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>0000020 - Disclosure - Related Party</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/RelatedParty</Role>
      <ShortName>Related Party</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9954471 - Disclosure - Business, Basis of Presentation and Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/BusinessBasisofPresentationandSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Business, Basis of Presentation and Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.voya.com/role/BusinessBasisofPresentationandSignificantAccountingPolicies</ParentRole>
      <Position>17</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9954472 - Disclosure - Derivative Instruments and Hedging Activities (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/DerivativeInstrumentsandHedgingActivitiesPolicies</Role>
      <ShortName>Derivative Instruments and Hedging Activities (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.voya.com/role/BusinessBasisofPresentationandSignificantAccountingPolicies</ParentRole>
      <Position>18</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9954475 - Disclosure - Investments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsTables</Role>
      <ShortName>Investments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9954476 - Disclosure - Derivative Financial Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/DerivativeFinancialInstrumentsTables</Role>
      <ShortName>Derivative Financial Instruments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9954477 - Disclosure - Financial Services, Insurance, ASU 2018-12 Transition (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/FinancialServicesInsuranceASU201812TransitionTables</Role>
      <ShortName>Financial Services, Insurance, ASU 2018-12 Transition (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.voya.com/role/FinancialServicesInsuranceASU201812Transition</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9954478 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.voya.com/role/FairValueMeasurements</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9954479 - Disclosure - Deferred Policy Acquisition Costs and Value of Business Acquired (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/DeferredPolicyAcquisitionCostsandValueofBusinessAcquiredTables</Role>
      <ShortName>Deferred Policy Acquisition Costs and Value of Business Acquired (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.voya.com/role/DeferredPolicyAcquisitionCostsandValueofBusinessAcquired</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9954481 - Disclosure - Other Income and Expenses (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/OtherIncomeandExpensesTables</Role>
      <ShortName>Other Income and Expenses (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.voya.com/role/OtherIncomeandExpenses</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9954482 - Disclosure - Commitments and Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/CommitmentsandContingenciesTables</Role>
      <ShortName>Commitments and Contingencies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.voya.com/role/CommitmentsandContingencies</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9954483 - Disclosure - Business, Basis of Presentation and Significant Accounting Policies - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/BusinessBasisofPresentationandSignificantAccountingPoliciesNarrativeDetails</Role>
      <ShortName>Business, Basis of Presentation and Significant Accounting Policies - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.voya.com/role/BusinessBasisofPresentationandSignificantAccountingPoliciesPolicies</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9954484 - Disclosure - Investments - Fixed Maturities and Equity Securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsFixedMaturitiesandEquitySecuritiesDetails</Role>
      <ShortName>Investments - Fixed Maturities and Equity Securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9954485 - Disclosure - Investments - Debt Maturities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsDebtMaturitiesDetails</Role>
      <ShortName>Investments - Debt Maturities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9954486 - Disclosure - Investments - Composition of US and Foreign Corporate Securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsCompositionofUSandForeignCorporateSecuritiesDetails</Role>
      <ShortName>Investments - Composition of US and Foreign Corporate Securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9954487 - Disclosure - Investments - Repurchase Agreement, Securities Lending, VIEs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsRepurchaseAgreementSecuritiesLendingVIEsDetails</Role>
      <ShortName>Investments - Repurchase Agreement, Securities Lending, VIEs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9954488 - Disclosure - Investments - Allowance for credit losses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsAllowanceforcreditlossesDetails</Role>
      <ShortName>Investments - Allowance for credit losses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9954489 - Disclosure - Investments - Unrealized Capital Losses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsUnrealizedCapitalLossesDetails</Role>
      <ShortName>Investments - Unrealized Capital Losses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9954490 - Disclosure - Investments - OTTI (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsOTTIDetails</Role>
      <ShortName>Investments - OTTI (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9954491 - Disclosure - Investments - Troubled Debt Restructuring (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsTroubledDebtRestructuringDetails</Role>
      <ShortName>Investments - Troubled Debt Restructuring (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9954492 - Disclosure - Investments - Loans by Loan to Value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsLoansbyLoantoValueDetails</Role>
      <ShortName>Investments - Loans by Loan to Value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9954493 - Disclosure - Investments - Loans by Debt Service Coverage Ratio (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsLoansbyDebtServiceCoverageRatioDetails</Role>
      <ShortName>Investments - Loans by Debt Service Coverage Ratio (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9954494 - Disclosure - Investments - Loans by U.S. Region (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsLoansbyUSRegionDetails</Role>
      <ShortName>Investments - Loans by U.S. Region (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9954495 - Disclosure - Investments - Loans by Property Type (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsLoansbyPropertyTypeDetails</Role>
      <ShortName>Investments - Loans by Property Type (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9954496 - Disclosure - Investments - Allowance for Losses for Commercial Mortgage Loans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsAllowanceforLossesforCommercialMortgageLoansDetails</Role>
      <ShortName>Investments - Allowance for Losses for Commercial Mortgage Loans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9954497 - Disclosure - Investments - Past due commercial mortgage loans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsPastduecommercialmortgageloansDetails</Role>
      <ShortName>Investments - Past due commercial mortgage loans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9954498 - Disclosure - Investments - Net Investment Income (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsNetInvestmentIncomeDetails</Role>
      <ShortName>Investments - Net Investment Income (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9954499 - Disclosure - Investments - Net Realized Capital Gains (Losses) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/InvestmentsNetRealizedCapitalGainsLossesDetails</Role>
      <ShortName>Investments - Net Realized Capital Gains (Losses) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9954500 - Disclosure - Derivative Financial Instruments - Notional and Fair Values (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/DerivativeFinancialInstrumentsNotionalandFairValuesDetails</Role>
      <ShortName>Derivative Financial Instruments - Notional and Fair Values (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9954501 - Disclosure - Derivative Financial Instruments - Offsetting Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails</Role>
      <ShortName>Derivative Financial Instruments - Offsetting Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9954502 - Disclosure - Derivative Financial Instruments - Collateral and Credit Default Swaps (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/DerivativeFinancialInstrumentsCollateralandCreditDefaultSwapsDetails</Role>
      <ShortName>Derivative Financial Instruments - Collateral and Credit Default Swaps (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9954503 - Disclosure - Derivative Financial Instruments - Net Realized Gains (Losses) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/DerivativeFinancialInstrumentsNetRealizedGainsLossesDetails</Role>
      <ShortName>Derivative Financial Instruments - Net Realized Gains (Losses) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9954504 - Disclosure - Financial Services, Insurance, ASU 2018-12 Transition (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/FinancialServicesInsuranceASU201812TransitionDetails</Role>
      <ShortName>Financial Services, Insurance, ASU 2018-12 Transition (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.voya.com/role/FinancialServicesInsuranceASU201812TransitionTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9954505 - Disclosure - Reinsurance (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/ReinsuranceDetails</Role>
      <ShortName>Reinsurance (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9954506 - Disclosure - Reinsurance (Text)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/ReinsuranceText</Role>
      <ShortName>Reinsurance (Text)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9954507 - Disclosure - Fair Value Measurements - Fair Value Measurement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/FairValueMeasurementsFairValueMeasurementDetails</Role>
      <ShortName>Fair Value Measurements - Fair Value Measurement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9954508 - Disclosure - Fair Value Measurements - Level 3 Financial Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/FairValueMeasurementsLevel3FinancialInstrumentsDetails</Role>
      <ShortName>Fair Value Measurements - Level 3 Financial Instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9954509 - Disclosure - Fair Value Measurements - Other Financial Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/FairValueMeasurementsOtherFinancialInstrumentsDetails</Role>
      <ShortName>Fair Value Measurements - Other Financial Instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9954510 - Disclosure - Deferred Policy Acquisition Costs and Value of Business Acquired - Rollforward (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/DeferredPolicyAcquisitionCostsandValueofBusinessAcquiredRollforwardDetails</Role>
      <ShortName>Deferred Policy Acquisition Costs and Value of Business Acquired - Rollforward (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.voya.com/role/DeferredPolicyAcquisitionCostsandValueofBusinessAcquiredTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9954511 - Disclosure - Separate Account Liability (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/SeparateAccountLiabilityDetails</Role>
      <ShortName>Separate Account Liability (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9954512 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Changes in AOCI, including Reclassification Adjustments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/AccumulatedOtherComprehensiveIncomeLossChangesinAOCIincludingReclassificationAdjustmentsDetails</Role>
      <ShortName>Accumulated Other Comprehensive Income (Loss) - Changes in AOCI, including Reclassification Adjustments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9954513 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Components of AOCI (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/AccumulatedOtherComprehensiveIncomeLossComponentsofAOCIDetails</Role>
      <ShortName>Accumulated Other Comprehensive Income (Loss) - Components of AOCI (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9954514 - Disclosure - Income Taxes - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/IncomeTaxesNarrativeDetails</Role>
      <ShortName>Income Taxes - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9954515 - Disclosure - Financing Agreements - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/FinancingAgreementsNarrativeDetails</Role>
      <ShortName>Financing Agreements - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9954516 - Disclosure - Commitments and Contingencies - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/CommitmentsandContingenciesNarrativeDetails</Role>
      <ShortName>Commitments and Contingencies - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9954517 - Disclosure - Commitments and Contingencies - Restricted Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/CommitmentsandContingenciesRestrictedAssetsDetails</Role>
      <ShortName>Commitments and Contingencies - Restricted Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9954518 - Disclosure - Related Party - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.voya.com/role/RelatedPartyNarrativeDetails</Role>
      <ShortName>Related Party - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="vriac-20230930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9999.htm</HtmlFileName>
      <LongName>Uncategorized Items - vriac-20230930.htm</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/role/uncategorizedFacts</Role>
      <ShortName>Uncategorized Items - vriac-20230930.htm</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="vriac-20230930.htm">vriac-20230930.htm</File>
    <File>vriac-20230930.xsd</File>
    <File>vriac-20230930_cal.xml</File>
    <File>vriac-20230930_def.xml</File>
    <File>vriac-20230930_lab.xml</File>
    <File>vriac-20230930_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>vriac-20230930_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="2253">http://fasb.org/us-gaap/2023</BaseTaxonomy>
    <BaseTaxonomy items="28">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
