| r0.c0 | Equalisation reserve/kvk-table_NotesConsolidatedTechnicalProvisionsEqualisationReserveMovementInsuranceTable-x.1.1 | venj-bw2-i:EqualisationReserve | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | kvk-table_NotesConsolidatedTechnicalProvisionsEqualisationReserveMovementInsuranceTable-y.1/kvk-table_NotesConsolidatedTechnicalProvisionsEqualisationReserveMovementInsuranceTable-x.1.1 | | | | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Change in equalisation reserve/kvk-table_NotesConsolidatedTechnicalProvisionsEqualisationReserveMovementInsuranceTable-x.1.1 | venj-bw2-i:ChangeInEqualisationReserve | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | kvk-table_NotesConsolidatedTechnicalProvisionsEqualisationReserveMovementInsuranceTable-y.2/kvk-table_NotesConsolidatedTechnicalProvisionsEqualisationReserveMovementInsuranceTable-x.1.1 | | | | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c0 | Equalisation reserve/kvk-table_NotesConsolidatedTechnicalProvisionsEqualisationReserveMovementInsuranceTable-x.1.1 | venj-bw2-i:EqualisationReserve | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c0 | kvk-table_NotesConsolidatedTechnicalProvisionsEqualisationReserveMovementInsuranceTable-y.3/kvk-table_NotesConsolidatedTechnicalProvisionsEqualisationReserveMovementInsuranceTable-x.1.1 | | | | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |