| r0.c0 | Expenses of employee benefits/kvk-table_NotesConsolidatedEmployeeBenefitsExpensesBreakdownFoundationsTable-x.1.1.1 | venj-bw2-i:EmployeeBenefitsExpenses | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | Wages and salaries/kvk-table_NotesConsolidatedEmployeeBenefitsExpensesBreakdownFoundationsTable-x.1.1.1 | venj-bw2-i:WagesSalaries | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Severance payments/kvk-table_NotesConsolidatedEmployeeBenefitsExpensesBreakdownFoundationsTable-x.1.1.1 | rj-i:SeverancePayments | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | Social security contributions/kvk-table_NotesConsolidatedEmployeeBenefitsExpensesBreakdownFoundationsTable-x.1.1.1 | venj-bw2-i:SocialSecurityContributions | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c0 | Pension costs/kvk-table_NotesConsolidatedEmployeeBenefitsExpensesBreakdownFoundationsTable-x.1.1.1 | venj-bw2-i:PensionCosts | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c0 | Pension premiums/kvk-table_NotesConsolidatedEmployeeBenefitsExpensesBreakdownFoundationsTable-x.1.1.1 | rj-i:PensionPremiums | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r6.c0 | Additional pension expenses/kvk-table_NotesConsolidatedEmployeeBenefitsExpensesBreakdownFoundationsTable-x.1.1.1 | rj-i:PensionExpensesAdditional | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r7.c0 | Other expenses of employee benefits/kvk-table_NotesConsolidatedEmployeeBenefitsExpensesBreakdownFoundationsTable-x.1.1.1 | rj-i:EmployeeBenefitsExpensesOther | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |