| r0.c0 | Disclosure of change in other technical provisions for own account/kvk-table_NotesConsolidatedChangeInOtherTechnicalProvisionsForOwnAccountInsuranceTable-x.1.1.1 | venj-bw2-i:ChangeInOtherTechnicalProvisionsForOwnAccountDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | Disclosure of change in provision for life insurance/kvk-table_NotesConsolidatedChangeInOtherTechnicalProvisionsForOwnAccountInsuranceTable-x.1.1.1 | venj-bw2-i:ChangeInProvisionForLifeInsuranceDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Disclosure of gross change in provision for life insurance/kvk-table_NotesConsolidatedChangeInOtherTechnicalProvisionsForOwnAccountInsuranceTable-x.1.1.1 | venj-bw2-i:ChangeInProvisionForLifeInsuranceGrossDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | Disclosure of reinsured part of the change in provision for life insurance/kvk-table_NotesConsolidatedChangeInOtherTechnicalProvisionsForOwnAccountInsuranceTable-x.1.1.1 | venj-bw2-i:ChangeInProvisionForLifeInsuranceReinsuredPartDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c0 | Disclosure of other change in other technical provisions for own account/kvk-table_NotesConsolidatedChangeInOtherTechnicalProvisionsForOwnAccountInsuranceTable-x.1.1.1 | rj-i:ChangeInOtherTechnicalProvisionsForOwnAccountOtherDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |