| r0.c0 | Disclosure of release of decrease in value of non-current securities and investments in participating interests/kvk-table_NotesDecreaseInValueReleaseOfNoncurrentSecuritiesAndInvestmentsInParticipatingInterestsBanksTable-x.1.1.1 | venj-bw2-i:DecreaseInValueReleaseOfNoncurrentSecuritiesAndInvestmentsInParticipatingInterestsDisclosure | nl-types:formattedExplanationItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |