kvk-table_NotesConsolidatedInvestmentsBreakdownInsuranceTable - Notes to the consolidated financial statements - Investments: Breakdown [table]

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Investments in land and buildings for own use
conceptvenj-bw2-i:InvestmentsInLandAndBuildingsForOwnUsey
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:InvestmentsInLandAndBuildingsForOwnUsey
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Other investments in land and buildings
conceptvenj-bw2-i:InvestmentsInLandAndBuildingsOthery
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:InvestmentsInLandAndBuildingsOthery
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Investments in land and buildings
conceptvenj-bw2-i:InvestmentsInLandAndBuildingsy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:InvestmentsInLandAndBuildingsy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Investments in participating interests in group companies
conceptvenj-bw2-i:InvestmentsInParticipatingInterestsInGroupCompaniesy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:InvestmentsInParticipatingInterestsInGroupCompaniesy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Bonds issued by and receivables from group companies
conceptvenj-bw2-i:BondsIssuedByAndReceivablesFromGroupCompaniesy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:BondsIssuedByAndReceivablesFromGroupCompaniesy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Other investments in participating interests
conceptvenj-bw2-i:InvestmentsInParticipatingInterestsOthery
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:InvestmentsInParticipatingInterestsOthery
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Bonds issued by and receivables from shareholders and participating interests
conceptvenj-bw2-i:BondsIssuedByAndReceivablesFromShareholdersParticipatingInterestsy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:BondsIssuedByAndReceivablesFromShareholdersParticipatingInterestsy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Investments, group companies and participating interests
conceptvenj-bw2-i:InvestmentsInGroupCompaniesAndParticipatingInterestsy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:InvestmentsInGroupCompaniesAndParticipatingInterestsy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Shares, securities with participating rights and other variable yield securities
conceptvenj-bw2-i:SharesSecuritiesWithParticipatingRightsAndOtherVariableYieldSecuritiesy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:SharesSecuritiesWithParticipatingRightsAndOtherVariableYieldSecuritiesy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Bonds and other fixed-income securities
conceptvenj-bw2-i:BondsOtherFixedIncomeSecuritiesy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:BondsOtherFixedIncomeSecuritiesy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Interests in investment pools
conceptvenj-bw2-i:InterestsInInvestmentPoolsy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:InterestsInInvestmentPoolsy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Receivables from mortgage loans
conceptvenj-bw2-i:ReceivablesFromMortgageLoansy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:ReceivablesFromMortgageLoansy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Receivables from other loans
conceptvenj-bw2-i:ReceivablesFromOtherLoansy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:ReceivablesFromOtherLoansy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Deposits at credit institutions
conceptvenj-bw2-i:DepositsAtCreditInstitutionsy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:DepositsAtCreditInstitutionsy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Other types of financial investments
conceptvenj-bw2-i:OtherFinancialInvestmentsOthery
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:OtherFinancialInvestmentsOthery
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Pension investments
conceptrj-i:PensionInvestmentsy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptrj-i:PensionInvestmentsy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Other financial investments
conceptvenj-bw2-i:FinancialInvestmentsOthery
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:FinancialInvestmentsOthery
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Deposits at insurers
conceptvenj-bw2-i:DepositsAtInsurersy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:DepositsAtInsurersy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
Investments
conceptvenj-bw2-i:Investmentsy
period$FinancialReportingPeriodCurrentEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx
conceptvenj-bw2-i:Investmentsy
period$FinancialReportingPeriodPreviousEndDateParamx
venj-bw2-dim:BasisOfPreparationAxis$BasisOfPreparationParamx
venj-bw2-dim:FinancialStatementsTypeAxisvenj-bw2-dm:ConsolidatedMemberx