| r0.c0 | Equity/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:Equity | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r1.c0 | Direct equity movement as a result of a change in accounting policies/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityDirectlyChangeAccountingPolicies | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r2.c0 | Adjusted equity after recalculation due to change in accounting policies/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | rj-i:AdjustedEquityAfterRecalculationChangeAccountingPolicies | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r3.c0 | kvk-table_NotesEquityStatementOfChangesTable-y.1/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | | | | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r4.c0 | Movement in equity as a result of the issue of shares/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityShareIssue | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r5.c0 | Movement in equity as a result of contributions by shareholders/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityContributionsShareholders | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r6.c0 | Movement in equity as a result of loss reduction/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityLossReduction | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r7.c0 | Movement in equity as a result of the sale of treasury shares/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityTreasurySharesSale | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r8.c0 | Movement in equity as a result of the purchase of treasury shares/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityTreasurySharesPurchase | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r9.c0 | Movement in equity as a result of the withdrawal of shares/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquitySharesWithdrawal | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r10.c0 | Movement in equity as a result of dividend distribution/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityDividendDistribution | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r11.c0 | Movement in equity as a result of transfers/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityTransfers | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r12.c0 | Movement in equity as a result of result allocation/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityResultAllocation | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r13.c0 | Movement in equity as a result of revaluations/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityRevaluations | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r14.c0 | Direct equity movement as a result of prior period errors/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityDirectlyMaterialErrors | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r15.c0 | Direct equity movement as a result of exchange differences/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityDirectlyExchangeDifferences | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r16.c0 | Direct equity movement as a result of impairments/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityDirectlyImpairment | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r17.c0 | Direct equity movement as a result of the reversal of impairments/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityDirectlyImpairmentReversal | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r18.c0 | Direct equity movement as a result of goodwill/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityDirectlyGoodwill | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r19.c0 | Direct equity movement as a result of business acquisitions/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityDirectlyBusinessAcquisitions | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r20.c0 | Direct equity movement as a result of business divestitures/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityDirectlyBusinessDivestitures | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r21.c0 | Direct equity movement as a result of financial instruments/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | rj-i:EquityDirectlyFinancialInstruments | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r22.c0 | Movement in equity as a result of shares granted due to share based arrangements/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityShareBasedArrangementsGranted | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r23.c0 | Movement in equity as a result of shares exercised due to share based arrangements/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityShareBasedArrangementsExercised | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r24.c0 | Movement in equity as a result of other movements/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityMovementOther | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r25.c0 | Movement in equity during the period/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:EquityMovement | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r26.c0 | kvk-table_NotesEquityStatementOfChangesTable-y.2/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | | | | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r27.c0 | Equity/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | venj-bw2-i:Equity | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r28.c0 | kvk-table_NotesEquityStatementOfChangesTable-y.3/kvk-table_NotesEquityStatementOfChangesTable-x.1.1.1 | | | | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |