| r0.c0 | Disclosure of non-current liabilities/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | venj-bw2-i:LiabilitiesNoncurrentDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r1.c0 | Disclosure of non-current convertible borrowings/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | venj-bw2-i:ConvertibleBorrowingsNoncurrentDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r2.c0 | Disclosure of non-current other debentures and private loans/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | venj-bw2-i:DebenturesOtherPrivateLoansNoncurrentDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r3.c0 | Important conditions of financial leases/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | rj-i:FinanceLeasesImportantConditions | nl-types:string100000ItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r4.c0 | Disclosure of non-current payables to credit institutions/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | venj-bw2-i:PayablesCreditInstitutionsNoncurrentDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r5.c0 | Disclosure of non-current payables to group companies/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | venj-bw2-i:PayablesGroupCompaniesNoncurrentDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r6.c0 | Disclosure of non-current payables to other related parties/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | venj-bw2-i:PayablesOtherRelatedPartiesNoncurrentDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r7.c0 | Disclosure of non-current payables to receivables shareholders and participating interests/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | venj-bw2-i:PayablesShareholdersParticipatingInterestsNoncurrentDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r8.c0 | Disclosure of negative goodwill/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | rj-i:NegativeGoodwillDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r9.c0 | Description of future losses leading to negative goodwill/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | rj-i:NegativeGoodwillFutureLossesDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r10.c0 | Description of the income statement line item where negative goodwill is recognised/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | rj-i:NegativeGoodwillIncomeStatementLineItemWhereRecognisedDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r11.c0 | Disclosure of non-current other payables/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | venj-bw2-i:PayablesOtherNoncurrentDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r12.c0 | Disclosure of non-current accruals and deferred income/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | venj-bw2-i:AccrualsAndDeferredIncomeNoncurrentDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r13.c0 | Disclosure of secured liabilities/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | venj-bw2-i:LiabilitiesSecuredDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r14.c0 | Disclosure of the maturity of non-current liabilities/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | venj-bw2-i:LiabilitiesNoncurrentMaturityDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r15.c0 | Description of the interest rate over the maturity of liabilities/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | venj-bw2-i:LiabilitiesMaturityInterestRateDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r16.c0 | Description of immediate exigibility of non-current liabilities/kvk-table_NotesNoncurrentLiabilitiesTable_k-x.1.1.1 | rj-i:LiabilitiesNoncurrentImmediateExigibilityDescription | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |