| r0.c0 | Investments in participating interests in group companies/Current | venj-bw2-i:InvestmentsInParticipatingInterestsInGroupCompanies | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r0.c1 | Investments in participating interests in group companies/Previous | venj-bw2-i:InvestmentsInParticipatingInterestsInGroupCompanies | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r1.c0 | Other investments in participating interests/Current | venj-bw2-i:InvestmentsInParticipatingInterestsOther | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r1.c1 | Other investments in participating interests/Previous | venj-bw2-i:InvestmentsInParticipatingInterestsOther | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r2.c0 | Investments in participating interests in other related parties/Current | venj-bw2-i:InvestmentsOtherRelatedParties | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r2.c1 | Investments in participating interests in other related parties/Previous | venj-bw2-i:InvestmentsOtherRelatedParties | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r3.c0 | Non-current receivables from group companies/Current | venj-bw2-i:ReceivablesGroupCompaniesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r3.c1 | Non-current receivables from group companies/Previous | venj-bw2-i:ReceivablesGroupCompaniesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r4.c0 | Non-current receivables from other related parties/Current | venj-bw2-i:ReceivablesOtherRelatedPartiesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r4.c1 | Non-current receivables from other related parties/Previous | venj-bw2-i:ReceivablesOtherRelatedPartiesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r5.c0 | Non-current receivables from shareholders and participating interests/Current | venj-bw2-i:ReceivablesShareholdersParticipatingInterestsNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r5.c1 | Non-current receivables from shareholders and participating interests/Previous | venj-bw2-i:ReceivablesShareholdersParticipatingInterestsNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r6.c0 | Non-current other securities/Current | venj-bw2-i:SecuritiesOtherNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r6.c1 | Non-current other securities/Previous | venj-bw2-i:SecuritiesOtherNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r7.c0 | Non-current other receivables/Current | venj-bw2-i:ReceivablesOtherNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r7.c1 | Non-current other receivables/Previous | venj-bw2-i:ReceivablesOtherNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r8.c0 | Financial assets/Current | venj-bw2-i:FinancialAssets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r8.c1 | Financial assets/Previous | venj-bw2-i:FinancialAssets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |