| r0.c0 | Trade receivables/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | venj-bw2-i:TradeReceivables | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | Receivables from the Ministry of OC&W/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | rj-i:ReceivablesFromMinistryOCW | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Current receivables from group companies/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | venj-bw2-i:ReceivablesGroupCompaniesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | Current receivables from other related parties/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | venj-bw2-i:ReceivablesOtherRelatedPartiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c0 | Current receivables from shareholders and participating interests/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | venj-bw2-i:ReceivablesShareholdersParticipatingInterestsCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c0 | Current receivables from loans and advances to participants or registered shareholders/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | venj-bw2-i:ReceivablesFromLoansAndAdvancesToParticipantsOrRegisteredShareholdersCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r6.c0 | Loans, advances and guarantees on behalf of managing directors and former managing directors/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | venj-bw2-i:LoansAdvancesGuaranteesOnBehalfOfManagingDirectorsFormerManagingDirectors | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r7.c0 | Loans, advances and guarantees on behalf of supervisory directors and former supervisory directors/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | venj-bw2-i:LoansAdvancesGuaranteesOnBehalfOfSupervisoryDirectorsFormerSupervisoryDirectors | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r8.c0 | Current other receivables/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | venj-bw2-i:ReceivablesOtherCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r9.c0 | Current deferred tax assets/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | rj-i:DeferredTaxAssetsCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r10.c0 | Called-up share capital/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | venj-bw2-i:CalledUpShareCapital | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r11.c0 | Pension receivables/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | rj-i:PensionReceivables | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r12.c0 | Tax receivables/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | rj-i:TaxReceivables | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r13.c0 | Prepayments and accrued income/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | venj-bw2-i:AccruedIncome | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r14.c0 | Receivables/kvk-table_NotesConsolidatedReceivablesBreakdownMaturityEducationTable-x.1.1.1.1 | venj-bw2-i:Receivables | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |