| r0.c0 | Provision for pension obligations on behalf of participants/kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-x.1.1.1 | rj-i:ProvisionPensionObligationsOnBehalfOfParticipants | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-y.1/kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-x.1.1.1 | | | | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Change in provision pension obligations on behalf of participants due to pension accrual/kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-x.1.1.1 | rj-i:ChangeProvisionPensionObligationsOnBehalfOfParticipantsPensionAccrual | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | Change in provision pension obligations on behalf of participants due to market interest rates/kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-x.1.1.1 | rj-i:ChangeProvisionPensionObligationsOnBehalfOfParticipantsMarketInterestRates | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c0 | Change in provision pension obligations on behalf of participants due to indexation and other mark-ups/kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-x.1.1.1 | rj-i:ChangeProvisionPensionObligationsOnBehalfOfParticipantsIndexationAndOtherMarkUps | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c0 | Change in provision pension obligations on behalf of participants due to interest added/kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-x.1.1.1 | rj-i:ChangeProvisionPensionObligationsOnBehalfOfParticipantsInterestAdded | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r6.c0 | Change in provision pension obligations on behalf of participants due to withdrawals of pension benefits and pension administration expenses/kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-x.1.1.1 | rj-i:ChangeProvisionPensionObligationsOnBehalfOfParticipantsWithdrawalsPensionBenefitsAndPensionAdministrationExpenses | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r7.c0 | Change in provision pension obligations on behalf of participants due to transfers of rights/kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-x.1.1.1 | rj-i:ChangeProvisionPensionObligationsOnBehalfOfParticipantsTransfersOfRights | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r8.c0 | Other changes in provision pension obligations on behalf of participants/kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-x.1.1.1 | rj-i:ChangeProvisionPensionObligationsOnBehalfOfParticipantsOther | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r9.c0 | Change in provision for pension obligations on behalf of participants/kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-x.1.1.1 | rj-i:ChangeProvisionPensionObligationsOnBehalfOfParticipants | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r10.c0 | kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-y.2/kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-x.1.1.1 | | | | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r11.c0 | Provision for pension obligations on behalf of participants/kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-x.1.1.1 | rj-i:ProvisionPensionObligationsOnBehalfOfParticipants | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r12.c0 | kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-y.3/kvk-table_NotesConsolidatedProvisionPensionObligationsOnBehalfOfParticipantsMovementPensionFundsTable-x.1.1.1 | | | | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |