| r0.c0 | kvk-table_NotesConsolidatedChangeReinsurancePartTechnicalProvisionSpecificationPensionFundsTable-y/Change in reinsurance part of technical provision | rj-i:ChangeReinsurancePartTechnicalProvision | nl-types:monetaryNoDecimalsItemType | duration | N/A | * | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r0.c1 | kvk-table_NotesConsolidatedChangeReinsurancePartTechnicalProvisionSpecificationPensionFundsTable-y/Presentation order | nl-cd:PresentationOrder | nl-types:nonNegativeDecimalItemType | duration | N/A | * | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | kvk-table_NotesConsolidatedChangeReinsurancePartTechnicalProvisionSpecificationPensionFundsTable-y.1/Change in reinsurance part of technical provision | rj-i:ChangeReinsurancePartTechnicalProvision | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | * | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c1 | kvk-table_NotesConsolidatedChangeReinsurancePartTechnicalProvisionSpecificationPensionFundsTable-y.1/Presentation order | nl-cd:PresentationOrder | nl-types:nonNegativeDecimalItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | * | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |