| r0.c0 | Contingent liabilities from discounted bills of exchange/Current | venj-bw2-i:ContingentLiabilitiesFromDiscountedBillsOfExchange | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r0.c1 | Contingent liabilities from discounted bills of exchange/Previous | venj-bw2-i:ContingentLiabilitiesFromDiscountedBillsOfExchange | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | Contingent liabilities from guarantees etc./Current | venj-bw2-i:ContingentLiabilitiesFromGuaranteesEtc | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c1 | Contingent liabilities from guarantees etc./Previous | venj-bw2-i:ContingentLiabilitiesFromGuaranteesEtc | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Contingent liabilities from irrevocable letters of credits/Current | venj-bw2-i:ContingentLiabilitiesFromIrrevocableLettersOfCredit | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c1 | Contingent liabilities from irrevocable letters of credits/Previous | venj-bw2-i:ContingentLiabilitiesFromIrrevocableLettersOfCredit | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | Other contingent liabilities/Current | venj-bw2-i:ContingentLiabilitiesOther | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c1 | Other contingent liabilities/Previous | venj-bw2-i:ContingentLiabilitiesOther | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c0 | Contingent liabilities/Current | venj-bw2-i:ContingentLiabilities | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c1 | Contingent liabilities/Previous | venj-bw2-i:ContingentLiabilities | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |