| r0.c0 | Disclosure of intangible assets/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | venj-bw2-i:IntangibleAssetsDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r1.c0 | Disclosure of the current value of intangible assets/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | venj-bw2-i:IntangibleAssetsCurrentValueDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r2.c0 | Disclosure of costs of incorporation and share issue/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | venj-bw2-i:CostsIncorporationShareIssueDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r3.c0 | Description of intangible assets with limited ownership/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:IntangibleAssetsLimitedOwnershipDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r4.c0 | Disclosure of development costs/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | venj-bw2-i:DevelopmentCostsDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r5.c0 | Description of intangible assets put up as collateral for debts/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:IntangibleAssetsPutUpAsCollateralForDebtsDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r6.c0 | Description of the impairment of intangible assets/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:IntangibleAssetsImpairmentDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r7.c0 | Disclosure of patents, trademarks and other rights/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | venj-bw2-i:PatentsTrademarksOtherRightsDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r8.c0 | Description of the costs of research and development of intangible assets included in the result for the financial period/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:IntangibleAssetsCostsOfResearchAndDevelopmentIncludedInTheResultForTheFinancialPeriodDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r9.c0 | Disclosure of goodwill/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | venj-bw2-i:GoodwillDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r10.c0 | Description of the line item in the income statement where the amortisation of positive goodwill is justified/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:GoodwillIncomeStatementLineItemWhereAmortisationRecognisedDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r11.c0 | Reasons that played a significant part in determining the amortisation term of goodwill/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | venj-bw2-i:GoodwillReasonAndFactsDeterminingAmortisationTermOfTenYearsAtMost | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r12.c0 | Description of the commitments relating to acquisitions of intangible assets/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:IntangibleAssetsCommitmentsRelatingToAdditionsThroughAcquisitionsDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r13.c0 | Description of the capitalised interest on intangible assets during the period/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | venj-bw2-i:IntangibleAssetsInterestCapitalisedDuringPeriodDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r14.c0 | Disclosure of prepayments of intangible assets/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | venj-bw2-i:PrepaymentsIntangibleAssetsDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r15.c0 | Description of the line item in the income statement where the amortisation of intangible assets is recognised/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:IntangibleAssetsIncomeStatementLineItemWhereAmortisationRecognisedDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r16.c0 | Disclosure of other intangible assets/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:IntangibleAssetsOtherDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r17.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_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:IntangibleAssetsReasonAndFactsDeterminingAmortisationTermExceedingTwentyYearsDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r18.c0 | Description of an individual intangible asset of importance/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:IntangibleAssetsIndividualAssetOfImportanceDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r19.c0 | Description of intangible assets of which the legal entity does not have legal ownership/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:IntangibleAssetsNoLegalOwnershipDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r20.c0 | Description of fully amortised intangible assets still in use/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:IntangibleAssetsFullyAmortisedAssetsDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r21.c0 | Description of intangible assets not recorded on the balance sheet/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:IntangibleAssetsNotRecordedOnBalanceDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r22.c0 | Disclosure of intangible assets recognised at prices significantly different from market prices/kvk-table_NotesIntangibleAssetsFoundationsTable-x.1.1.1 | rj-i:IntangibleAssetsRecognizedAPricesSignificantlyDifferentFromMarketPricesDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |