| r0.c0 | Intangible assets/Current | venj-bw2-i:IntangibleAssets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r0.c1 | Intangible assets/Budgeted year 1 | venj-bw2-i:IntangibleAssets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r0.c2 | Intangible assets/Budgeted year 2 | venj-bw2-i:IntangibleAssets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r0.c3 | Intangible assets/Budgeted year 3 | venj-bw2-i:IntangibleAssets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | Property, plant and equipment/Current | venj-bw2-i:PropertyPlantEquipment | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c1 | Property, plant and equipment/Budgeted year 1 | venj-bw2-i:PropertyPlantEquipment | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c2 | Property, plant and equipment/Budgeted year 2 | venj-bw2-i:PropertyPlantEquipment | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c3 | Property, plant and equipment/Budgeted year 3 | venj-bw2-i:PropertyPlantEquipment | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Financial assets/Current | venj-bw2-i:FinancialAssets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c1 | Financial assets/Budgeted year 1 | venj-bw2-i:FinancialAssets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c2 | Financial assets/Budgeted year 2 | venj-bw2-i:FinancialAssets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c3 | Financial assets/Budgeted year 3 | venj-bw2-i:FinancialAssets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | Non-current assets/Current | venj-bw2-i:AssetsNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c1 | Non-current assets/Budgeted year 1 | venj-bw2-i:AssetsNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c2 | Non-current assets/Budgeted year 2 | venj-bw2-i:AssetsNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c3 | Non-current assets/Budgeted year 3 | venj-bw2-i:AssetsNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c0 | Inventories/Current | venj-bw2-i:Inventories | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c1 | Inventories/Budgeted year 1 | venj-bw2-i:Inventories | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c2 | Inventories/Budgeted year 2 | venj-bw2-i:Inventories | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c3 | Inventories/Budgeted year 3 | venj-bw2-i:Inventories | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c0 | Receivables/Current | venj-bw2-i:Receivables | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c1 | Receivables/Budgeted year 1 | venj-bw2-i:Receivables | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c2 | Receivables/Budgeted year 2 | venj-bw2-i:Receivables | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c3 | Receivables/Budgeted year 3 | venj-bw2-i:Receivables | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r6.c0 | Current securities/Current | venj-bw2-i:SecuritiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r6.c1 | Current securities/Budgeted year 1 | venj-bw2-i:SecuritiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r6.c2 | Current securities/Budgeted year 2 | venj-bw2-i:SecuritiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r6.c3 | Current securities/Budgeted year 3 | venj-bw2-i:SecuritiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r7.c0 | Cash and cash equivalents/Current | venj-bw2-i:CashAndCashEquivalents | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r7.c1 | Cash and cash equivalents/Budgeted year 1 | venj-bw2-i:CashAndCashEquivalents | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r7.c2 | Cash and cash equivalents/Budgeted year 2 | venj-bw2-i:CashAndCashEquivalents | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r7.c3 | Cash and cash equivalents/Budgeted year 3 | venj-bw2-i:CashAndCashEquivalents | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r8.c0 | Current assets/Current | venj-bw2-i:AssetsCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r8.c1 | Current assets/Budgeted year 1 | venj-bw2-i:AssetsCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r8.c2 | Current assets/Budgeted year 2 | venj-bw2-i:AssetsCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r8.c3 | Current assets/Budgeted year 3 | venj-bw2-i:AssetsCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r9.c0 | Assets/Current | venj-bw2-i:Assets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r9.c1 | Assets/Budgeted year 1 | venj-bw2-i:Assets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r9.c2 | Assets/Budgeted year 2 | venj-bw2-i:Assets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r9.c3 | Assets/Budgeted year 3 | venj-bw2-i:Assets | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r10.c0 | Equity/Current | venj-bw2-i:Equity | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r10.c1 | Equity/Budgeted year 1 | venj-bw2-i:Equity | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r10.c2 | Equity/Budgeted year 2 | venj-bw2-i:Equity | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r10.c3 | Equity/Budgeted year 3 | venj-bw2-i:Equity | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r11.c0 | Non-controlling interest/Current | venj-bw2-i:NoncontrollingInterest | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r11.c1 | Non-controlling interest/Budgeted year 1 | venj-bw2-i:NoncontrollingInterest | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r11.c2 | Non-controlling interest/Budgeted year 2 | venj-bw2-i:NoncontrollingInterest | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r11.c3 | Non-controlling interest/Budgeted year 3 | venj-bw2-i:NoncontrollingInterest | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r12.c0 | Group equity/Current | venj-bw2-i:EquityGroup | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r12.c1 | Group equity/Budgeted year 1 | venj-bw2-i:EquityGroup | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r12.c2 | Group equity/Budgeted year 2 | venj-bw2-i:EquityGroup | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r12.c3 | Group equity/Budgeted year 3 | venj-bw2-i:EquityGroup | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r13.c0 | Provisions/Current | venj-bw2-i:Provisions | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r13.c1 | Provisions/Budgeted year 1 | venj-bw2-i:Provisions | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r13.c2 | Provisions/Budgeted year 2 | venj-bw2-i:Provisions | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r13.c3 | Provisions/Budgeted year 3 | venj-bw2-i:Provisions | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r14.c0 | Non-current liabilities/Current | venj-bw2-i:LiabilitiesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r14.c1 | Non-current liabilities/Budgeted year 1 | venj-bw2-i:LiabilitiesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r14.c2 | Non-current liabilities/Budgeted year 2 | venj-bw2-i:LiabilitiesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r14.c3 | Non-current liabilities/Budgeted year 3 | venj-bw2-i:LiabilitiesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r15.c0 | Current liabilities/Current | venj-bw2-i:LiabilitiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r15.c1 | Current liabilities/Budgeted year 1 | venj-bw2-i:LiabilitiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r15.c2 | Current liabilities/Budgeted year 2 | venj-bw2-i:LiabilitiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r15.c3 | Current liabilities/Budgeted year 3 | venj-bw2-i:LiabilitiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r16.c0 | Equity and liabilities/Current | venj-bw2-i:EquityAndLiabilities | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r16.c1 | Equity and liabilities/Budgeted year 1 | venj-bw2-i:EquityAndLiabilities | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodFirstPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r16.c2 | Equity and liabilities/Budgeted year 2 | venj-bw2-i:EquityAndLiabilities | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodSecondPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r16.c3 | Equity and liabilities/Budgeted year 3 | venj-bw2-i:EquityAndLiabilities | nl-types:monetaryNoDecimalsItemType | instant | $FinancialReportingPeriodThirdPeriodEndDateParam | rj-dm:BudgetMember | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |