| r0.c0 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1.1.1/Reinsured part of technical provisions for damages or benefits payable | venj-bw2-i:TechnicalProvisionsForDamagesOrBenefitsPayableReinsuredPart | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r0.c1 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1.1.1/Damages and benefits paid, reinsurance | rj-i:DamagesBenefitsPaidReinsurance | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r0.c2 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1.1.1/Required interest, reinsurance | rj-i:RequiredInterestReinsurance | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r0.c3 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1.1.1/Settlement result, reinsurance | rj-i:SettlementResultReinsurance | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r0.c4 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1.1.1/Reinsured part of technical provisions for damages or benefits payable | venj-bw2-i:TechnicalProvisionsForDamagesOrBenefitsPayableReinsuredPart | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r0.c5 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1.1.1/Presentation order | nl-cd:PresentationOrder | nl-types:nonNegativeDecimalItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1.1/Reinsured part of technical provisions for damages or benefits payable | venj-bw2-i:TechnicalProvisionsForDamagesOrBenefitsPayableReinsuredPart | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c1 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1.1/Damages and benefits paid, reinsurance | rj-i:DamagesBenefitsPaidReinsurance | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c2 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1.1/Required interest, reinsurance | rj-i:RequiredInterestReinsurance | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c3 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1.1/Settlement result, reinsurance | rj-i:SettlementResultReinsurance | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c4 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1.1/Reinsured part of technical provisions for damages or benefits payable | venj-bw2-i:TechnicalProvisionsForDamagesOrBenefitsPayableReinsuredPart | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c5 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1.1/Presentation order | nl-cd:PresentationOrder | nl-types:nonNegativeDecimalItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1/Reinsured part of technical provisions for damages or benefits payable | venj-bw2-i:TechnicalProvisionsForDamagesOrBenefitsPayableReinsuredPart | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | N/A |
| r2.c1 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1/Damages and benefits paid, reinsurance | rj-i:DamagesBenefitsPaidReinsurance | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | N/A |
| r2.c2 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1/Required interest, reinsurance | rj-i:RequiredInterestReinsurance | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | N/A |
| r2.c3 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1/Settlement result, reinsurance | rj-i:SettlementResultReinsurance | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | N/A |
| r2.c4 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1/Reinsured part of technical provisions for damages or benefits payable | venj-bw2-i:TechnicalProvisionsForDamagesOrBenefitsPayableReinsuredPart | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | N/A |
| r2.c5 | kvk-table_NotesConsolidatedSettlementStatisticsReinsuranceSpecificationInsuranceTable_TabelVerloopoverzichtTypeJaarrekeningMetDynamischeAsPOrder-y2.1/Presentation order | nl-cd:PresentationOrder | nl-types:nonNegativeDecimalItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | N/A |