| r0.c0 | Disclosure of realised changes in value of investments/kvk-table_NotesConsolidatedInvestmentsRealizedValueChangesInvestmentFirmTable-x.1.1.1 | venj-bw2-i:RealisedChangesInValueOfInvestmentsDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | Disclosure of realised changes in value of investments in group companies/kvk-table_NotesConsolidatedInvestmentsRealizedValueChangesInvestmentFirmTable-x.1.1.1 | venj-bw2-i:RealisedChangesInValueOfInvestmentsInGroupCompaniesDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Disclosure of realised changes in value of investments in other participating interests/kvk-table_NotesConsolidatedInvestmentsRealizedValueChangesInvestmentFirmTable-x.1.1.1 | venj-bw2-i:RealisedChangesInValueOfInvestmentsInParticipatingInterestsOtherDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | Disclosure of realised changes in value of investments in land and buildings/kvk-table_NotesConsolidatedInvestmentsRealizedValueChangesInvestmentFirmTable-x.1.1.1 | venj-bw2-i:RealisedChangesInValueOfInvestmentsInLandAndBuildingsDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c0 | Disclosure of realised changes in value of investments in other investments/kvk-table_NotesConsolidatedInvestmentsRealizedValueChangesInvestmentFirmTable-x.1.1.1 | venj-bw2-i:RealisedChangesInValueOfInvestmentsInInvestmentsOtherDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |