| r0.c0 | Disclosure of intangible assets/kvk-table_NotesConsolidatedIntangibleAssetsTable_m_g-x.1.1.1 | venj-bw2-i:IntangibleAssetsDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | Disclosure of the current value of intangible assets/kvk-table_NotesConsolidatedIntangibleAssetsTable_m_g-x.1.1.1 | venj-bw2-i:IntangibleAssetsCurrentValueDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Description of intangible assets with limited ownership/kvk-table_NotesConsolidatedIntangibleAssetsTable_m_g-x.1.1.1 | rj-i:IntangibleAssetsLimitedOwnershipDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | Description of intangible assets put up as collateral for debts/kvk-table_NotesConsolidatedIntangibleAssetsTable_m_g-x.1.1.1 | rj-i:IntangibleAssetsPutUpAsCollateralForDebtsDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c0 | Description of the impairment of intangible assets/kvk-table_NotesConsolidatedIntangibleAssetsTable_m_g-x.1.1.1 | rj-i:IntangibleAssetsImpairmentDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c0 | Description of the costs of research and development of intangible assets included in the result for the financial period/kvk-table_NotesConsolidatedIntangibleAssetsTable_m_g-x.1.1.1 | rj-i:IntangibleAssetsCostsOfResearchAndDevelopmentIncludedInTheResultForTheFinancialPeriodDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r6.c0 | Disclosure of goodwill/kvk-table_NotesConsolidatedIntangibleAssetsTable_m_g-x.1.1.1 | venj-bw2-i:GoodwillDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r7.c0 | Description of the commitments relating to acquisitions of intangible assets/kvk-table_NotesConsolidatedIntangibleAssetsTable_m_g-x.1.1.1 | rj-i:IntangibleAssetsCommitmentsRelatingToAdditionsThroughAcquisitionsDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r8.c0 | Description of the capitalised interest on intangible assets during the period/kvk-table_NotesConsolidatedIntangibleAssetsTable_m_g-x.1.1.1 | venj-bw2-i:IntangibleAssetsInterestCapitalisedDuringPeriodDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r9.c0 | Description of the line item in the income statement where the amortisation of intangible assets is recognised/kvk-table_NotesConsolidatedIntangibleAssetsTable_m_g-x.1.1.1 | rj-i:IntangibleAssetsIncomeStatementLineItemWhereAmortisationRecognisedDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r10.c0 | Description of the reason and factors that played a significant part in determining that the amortisation term of intangible assets exceeds twenty years/kvk-table_NotesConsolidatedIntangibleAssetsTable_m_g-x.1.1.1 | rj-i:IntangibleAssetsReasonAndFactsDeterminingAmortisationTermExceedingTwentyYearsDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r11.c0 | Description of an individual intangible asset of importance/kvk-table_NotesConsolidatedIntangibleAssetsTable_m_g-x.1.1.1 | rj-i:IntangibleAssetsIndividualAssetOfImportanceDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |