| r0.c0 | Accounting principles for determining the result/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | venj-bw2-i:AccountingPrinciplesForDeterminingTheResult | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | Policy of net result from exploitation of real estate portfolio/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:NetResultExploitationOfRealEstatePortfolioPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Policy of rental income/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | rj-i:RentalIncomePolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | Policy of income from service contracts/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:IncomeServiceContractsPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c0 | Policy of expenses for service contracts/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:ServiceContractsExpensesPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c0 | Policy of government contributions/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:GovernmentContributionsPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r6.c0 | Policy of expenses for rental and management activities/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:RentalAndManagementActivitiesExpensesPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r7.c0 | Policy of maintenance expenses/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:MaintenanceExpensesPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r8.c0 | Policy of other direct operational expenses for exploitation possession/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:DirectOperationalExpensesOtherExploitationPossessionPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r9.c0 | Policy of net result from sold real estate in development/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:NetResultSoldRealEstateInDevelopmentPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r10.c0 | Policy of revenue from sold real estate in development/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:RevenueSoldRealEstateInDevelopmentPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r11.c0 | Policy of payments to sold real estate in development/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:PaymentsSoldRealEstateInDevelopmentPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r12.c0 | Policy of attributable organisation costs qualified as sold real estate in development/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:AttributableOrganisationCostsQualifiedAsSoldRealEstateInDevelopmentPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r13.c0 | Policy of attributable financing costs/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:AttributableFinancingCostsPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r14.c0 | Policy of net realised result from sales of real estate portfolio/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:NetRealisedResultSalesRealEstatePortfolioPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r15.c0 | Policy of sales income from real estate portfolio/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:SalesIncomeRealEstatePortfolioPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r16.c0 | Policy of attributable organisation costs qualified as sales real estate portfolio/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:AttributableOrganisationCostsQualifiedAsSalesRealEstatePortfolioPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r17.c0 | Policy of book value of real estate portfolio sold/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:BookValueRealEstatePortfolioSoldPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r18.c0 | Policy of changes in value of real estate portfolio/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:ChangesValueRealEstatePortfolioPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r19.c0 | Policy of other changes in value of real estate portfolio/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:ChangesValueOtherRealEstatePortfolioPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r20.c0 | Policy of non-realised changes in value of real estate portfolio/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:ChangesValueNotRealisedRealEstatePortfolioPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r21.c0 | Policy of non-realised changes in value of real estate portfolio sold under conditions/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:ChangesValueNotRealisedRealEstatePortfolioSoldUnderConditionsPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r22.c0 | Policy of non-realised changes in value of real estate portfolio for sale/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:ChangesValueNotRealisedRealEstatePortfolioForSalePolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r23.c0 | Policy of net result from other activities/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:NetResultOtherActivitiesPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r24.c0 | Policy of income from other activities/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:IncomeOtherActivitiesPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r25.c0 | Policy of costs for other activities/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:CostsOtherActivitiesPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r26.c0 | Policy of other organisation costs/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:OrganisationCostsOtherPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r27.c0 | Policy of liveability expenses/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | bzk-ti-i:LiveabilityExpensesPolicy | xbrli:stringItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r28.c0 | Policy of financial income and expenses/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | rj-i:FinancialIncomeExpensesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r29.c0 | Policy of changes in value of financial assets and of securities/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | venj-bw2-i:ChangesValueFinancialAssetsSecuritiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r30.c0 | Policy of income of non-current receivables and of securities/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | venj-bw2-i:IncomeReceivablesNoncurrentSecuritiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r31.c0 | Policy of interest income and related income/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | venj-bw2-i:InterestIncomeRelatedIncomePolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r32.c0 | Policy of interest expenses and related expenses/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | venj-bw2-i:InterestExpensesRelatedExpensesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r33.c0 | Policy of result before tax/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | venj-bw2-i:ResultBeforeTaxPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r34.c0 | Policy of income tax expense/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | venj-bw2-i:IncomeTaxExpensePolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r35.c0 | Policy of share in results of participating interests/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | venj-bw2-i:ShareInResultsParticipatingInterestsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r36.c0 | Policy of result after tax/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | venj-bw2-i:ResultAfterTaxPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r37.c0 | Policy of result attributable to non-controlling interest/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-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 after tax/kvk-table_NotesConsolidatedAccountingPrinciplesResultHousingTable-x.1.1.1 | venj-bw2-i:NetResultAfterTaxPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |