| r0.c0 | Policy of cash in hand/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:CashInHandPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | Policy of credit balances on bank accounts/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:CreditBalancesOnBankAccountsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Policy of government securities for central bank refinancing/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:GovernmentSecuritiesForCentralBankRefinancingPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | Policy of receivables from credit institutions/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:ReceivablesFromCreditInstitutionsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c0 | Policy of receivables from credit institutions payable upon demand/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:ReceivablesFromCreditInstitutionsPayableUponDemandPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c0 | Policy of other receivables from credit institutions/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:ReceivablesFromCreditInstitutionsOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r6.c0 | Policy of receivables from customers/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:ReceivablesFromCustomersPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r7.c0 | Policy of bonds and other fixed-income securities/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:BondsOtherFixedIncomeSecuritiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r8.c0 | Policy of bonds and other fixed-income securities from public issuers/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:BondsOtherFixedIncomeSecuritiesPublicIssuersPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r9.c0 | Policy of bonds and other fixed-income securities from other issuers/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:BondsOtherFixedIncomeSecuritiesOtherIssuersPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r10.c0 | Policy of shares and other variable-yield securities/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:SharesOtherVariableYieldSecuritiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r11.c0 | Policy of investments in group companies/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:InvestmentsInParticipatingInterestsInGroupCompaniesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r12.c0 | Policy of investments in credit institutions as group companies/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:InvestmentsInParticipatingInterestsInGroupCompaniesCreditInstitutionsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r13.c0 | Policy of investments in other group companies/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:InvestmentsInParticipatingInterestsInGroupCompaniesOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r14.c0 | Policy of other investments in participating interests/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:InvestmentsInParticipatingInterestsOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r15.c0 | Policy of other investments in credit institutions/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:InvestmentsInParticipatingInterestsOtherCreditInstitutionsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r16.c0 | Policy of other investments in other participating interests/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:InvestmentsInOtherParticipatingInterestsOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r17.c0 | Policy of intangible assets/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:IntangibleAssetsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r18.c0 | Policy of impairment of intangible assets/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:ImpairmentIntangibleAssetsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r19.c0 | Policy of costs of incorporation and share issue/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:CostsIncorporationShareIssuePolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r20.c0 | Policy of development costs/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:DevelopmentCostsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r21.c0 | Policy of patents, trademarks and other rights/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PatentsTrademarksOtherRightsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r22.c0 | Policy of goodwill/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:GoodwillPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r23.c0 | Policy of prepayments of intangible assets/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PrepaymentsIntangibleAssetsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r24.c0 | Policy of intangible assets other/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:IntangibleAssetsOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r25.c0 | Policy of property, plant and equipment/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PropertyPlantEquipmentPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r26.c0 | Policy of land and buildings for own use/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:LandAndBuildingsForOwnUsePolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r27.c0 | Policy of other property, plant and equipment/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PropertyPlantEquipmentOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r28.c0 | Policy of other assets/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:AssetsOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r29.c0 | Policy of called-up share capital/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:CalledUpShareCapitalPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r30.c0 | Policy of prepayments and accrued income/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:AccruedIncomePolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r31.c0 | Policy of payables to credit institutions/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PayablesCreditInstitutionsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r32.c0 | Policy of payables to credit institutions payable upon demand/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PayablesCreditInstitutionsPayableUponDemandPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r33.c0 | Policy of other payables to credit institutions/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PayablesCreditInstitutionsOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r34.c0 | Policy of payables to customers/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PayablesCustomersPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r35.c0 | Policy of payables to customers relating to deposits/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PayablesCustomersDepositsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r36.c0 | Policy of payables to customers relating to deposits payable upon demand/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PayablesCustomersDepositsPayableUponDemandPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r37.c0 | Policy of other payables to customers relating to deposits/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PayablesCustomersDepositsOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r38.c0 | Policy of other payables to customers/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PayablesCustomersOtherLiabilitiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r39.c0 | Policy of other payables to customers payable upon demand/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PayablesCustomersOtherPayableUponDemandPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r40.c0 | Policy of other types of other payables to customers/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PayablesCustomersOtherOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r41.c0 | Policy of debt securities/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:DebtSecuritiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r42.c0 | Policy of bonds and other fixed-interest debt securities/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:BondsOtherFixedInterestDebtSecuritiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r43.c0 | Policy of other debt securities/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:DebtSecuritiesOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r44.c0 | Policy of other payables/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:PayablesOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r45.c0 | Policy of accruals and deferred income/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:AccrualsAndDeferredIncomePolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r46.c0 | Policy of provisions/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:ProvisionsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r47.c0 | Policy of provision for pension obligations/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:ProvisionPensionObligationsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r48.c0 | Policy of provision for tax liabilities/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:ProvisionTaxLiabilitiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r49.c0 | Policy of warranty provision/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:WarrantyProvisionPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r50.c0 | Policy of provision for onerous contracts/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:ProvisionOnerousContractsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r51.c0 | Policy of deferred tax liabilities/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:DeferredTaxLiabilitiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r52.c0 | Policy of provision for disposal obligations/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:ProvisionDisposalObligationPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r53.c0 | Policy of provision for repair costs/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:ProvisionRepairCostsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r54.c0 | Policy of provision relating to participating interest/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:ProvisionParticipatingInterestsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r55.c0 | Policy of provision for major maintenance/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:ProvisionMajorMaintenancePolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r56.c0 | Policy of restructuring provision/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:RestructuringProvisionPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r57.c0 | Policy of environmental provision/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:EnvironmentalProvisionPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r58.c0 | Policy of provision for legal proceedings/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:ProvisionLegalProceedingsPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r59.c0 | Description of the obligations of the provision for pension obligations/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:ProvisionPensionObligationsDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r60.c0 | Description of the actuarial assumptions used for the provision for pension obligations/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:ProvisionPensionObligationsActuarialAssumptionsDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r61.c0 | Description of the valuation methods of the provision for pension obligations/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | rj-i:ProvisionPensionObligationsValuationMethodsDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r62.c0 | Policy of other provisions/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:ProvisionsOtherPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r63.c0 | Policy of general banking risks reserve/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:GeneralBankingRisksReservePolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r64.c0 | Policy of subordinated liabilities/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:SubordinatedLiabilitiesPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r65.c0 | Policy of group equity/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:EquityGroupPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r66.c0 | Policy of non-controlling interest/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:NoncontrollingInterestPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r67.c0 | Policy of equity/kvk-table_NotesConsolidatedAccountingPrinciplesAssetsLiabilitiesBanksTable-x.1.1.1 | venj-bw2-i:EquityPolicy | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |