| r0.c0 | Disclosure of investment expenses/kvk-table_NotesConsolidatedInvestmentExpensesInsuranceTable-x.1.1.1 | venj-bw2-i:InvestmentExpensesDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | Disclosure of administrative expenses and interest expenses/kvk-table_NotesConsolidatedInvestmentExpensesInsuranceTable-x.1.1.1 | venj-bw2-i:AdministrativeExpensesAndInterestExpensesDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Disclosure of decrease in value of investments/kvk-table_NotesConsolidatedInvestmentExpensesInsuranceTable-x.1.1.1 | venj-bw2-i:DecreaseInValueOfInvestmentsDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | Disclosure of realised loss on investments/kvk-table_NotesConsolidatedInvestmentExpensesInsuranceTable-x.1.1.1 | venj-bw2-i:RealisedLossOnInvestmentsDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |