| r0.c0 | Accounting principles for determining the result/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:AccountingPrinciplesForDeterminingTheResult | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | Policy of income from product/service delivery/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | rj-i:IncomeProductServiceDeliveryPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Policy of subsidy income/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | rj-i:SubsidyIncomePolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | Policy of sponsoring contributions/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | rj-i:SponsoringContributionsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c0 | Policy of income from gifts and from fundraising/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | rj-i:IncomeGiftsFromFundraisingPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c0 | Policy of other income/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:IncomeOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r6.c0 | Policy of income/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:IncomePolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r7.c0 | Policy of purchase value of supplied products/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | rj-i:PurchaseValueDeliveredProductsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r8.c0 | Policy of provided subsidies and gifts/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | rj-i:SubsidiesGiftsProvidedPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r9.c0 | Policy of other expenses/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:ExpensesOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r10.c0 | Policy of expenses/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:ExpensesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r11.c0 | Policy of revenue recognition/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | rj-i:RevenueRecognitionPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r12.c0 | Policy of selling expenses/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:SellingExpensesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r13.c0 | Policy of general and administrative expenses/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:GeneralAdministrativeExpensesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r14.c0 | Policy of wages and salaries/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:WagesSalariesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r15.c0 | Policy of social security contributions/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:SocialSecurityContributionsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r16.c0 | Applied policy of pension costs/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:PensionCostsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r17.c0 | Policy of other expenses of employee benefits/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | rj-i:EmployeeBenefitsExpensesOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r18.c0 | Policy of expenses of employee benefits/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:EmployeeBenefitsExpensesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r19.c0 | Policy of amortisation of intangible assets and depreciation of property, plant and equipment/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:DepreciationPropertyPlantEquipmentAmortisationIntangibleAssetsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r20.c0 | Policy of amortisation of intangible assets/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:AmortisationIntangibleAssetsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r21.c0 | Policy of depreciation of property, plant and equipment/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:DepreciationPropertyPlantEquipmentPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r22.c0 | Policy of changes in the value of intangible assets and property, plant and equipment/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:ChangesInValueIntangibleAssetsPropertyPlantEquipmentPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r23.c0 | Policy of changes in the value of investment properties/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | rj-i:ChangesValueInvestmentPropertiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r24.c0 | Policy of impairment of current assets/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:ImpairmentCurrentAssetsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r25.c0 | Policy of other operating expenses/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:OperatingExpensesOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r26.c0 | Policy of sum of expenses/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:SumOfExpensesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r27.c0 | Policy of operating result/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:OperatingResultPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r28.c0 | Policy of income of non-current receivables and of securities/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:IncomeReceivablesNoncurrentSecuritiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r29.c0 | Policy of released from revaluation reserve/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:RevaluationReserveReleasePolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r30.c0 | Policy of government subsidies/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:GovernmentSubsidiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r31.c0 | Policy of changes in value of financial assets and of securities/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:ChangesValueFinancialAssetsSecuritiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r32.c0 | Policy of interest income and related income/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:InterestIncomeRelatedIncomePolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r33.c0 | Policy of interest expenses and related expenses/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:InterestExpensesRelatedExpensesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r34.c0 | Policy of financial income and expenses/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | rj-i:FinancialIncomeExpensesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r35.c0 | Policy of share in results of participating interests/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:ShareInResultsParticipatingInterestsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r36.c0 | Policy of result/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | rj-i:ResultPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r37.c0 | Policy of result attributable to non-controlling interest/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | venj-bw2-i:ResultAttributableNoncontrollingInterestPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r38.c0 | Policy of net result/kvk-table_NotesConsolidatedAccountingPrinciplesIncomeExpensesNonprofitTable-x.1.1.1 | rj-i:NetResultPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |