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| | concept | bzk-ti-i:ConstructionClaims | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:ConstructionClaims | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:ConstructionClaims | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:ConstructionClaims | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:ConstructionClaims | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:ConstructionClaims | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:Goodwill | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Goodwill | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Goodwill | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Goodwill | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Goodwill | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Goodwill | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:IntangibleAssets | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:IntangibleAssets | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:IntangibleAssets | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:IntangibleAssets | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:IntangibleAssets | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:IntangibleAssets | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | bzk-ti-i:CommercialRealEstateInExploitation | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:CommercialRealEstateInExploitation | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:CommercialRealEstateInExploitation | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:CommercialRealEstateInExploitation | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:CommercialRealEstateInExploitation | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:CommercialRealEstateInExploitation | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | rj-i:RealEstateSoldSubjectTermsConditions | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:RealEstateSoldSubjectTermsConditions | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:RealEstateSoldSubjectTermsConditions | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:RealEstateSoldSubjectTermsConditions | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:RealEstateSoldSubjectTermsConditions | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:RealEstateSoldSubjectTermsConditions | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | bzk-aw-wsw-i:RealEstateInDevelopmentForOwnExploitation | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-aw-wsw-i:RealEstateInDevelopmentForOwnExploitation | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-aw-wsw-i:RealEstateInDevelopmentForOwnExploitation | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-aw-wsw-i:RealEstateInDevelopmentForOwnExploitation | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-aw-wsw-i:RealEstateInDevelopmentForOwnExploitation | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-aw-wsw-i:RealEstateInDevelopmentForOwnExploitation | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | rj-i:InvestmentProperties | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:InvestmentProperties | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:InvestmentProperties | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:InvestmentProperties | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:InvestmentProperties | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:InvestmentProperties | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | bzk-ti-i:RealEstateAndMovablePropertyUsedForExploitation | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:RealEstateAndMovablePropertyUsedForExploitation | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:RealEstateAndMovablePropertyUsedForExploitation | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:RealEstateAndMovablePropertyUsedForExploitation | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:RealEstateAndMovablePropertyUsedForExploitation | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:RealEstateAndMovablePropertyUsedForExploitation | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:PropertyPlantEquipment | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PropertyPlantEquipment | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PropertyPlantEquipment | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PropertyPlantEquipment | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PropertyPlantEquipment | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PropertyPlantEquipment | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:InvestmentsInParticipatingInterests | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:InvestmentsInParticipatingInterests | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:InvestmentsInParticipatingInterests | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:InvestmentsInParticipatingInterests | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:InvestmentsInParticipatingInterests | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:InvestmentsInParticipatingInterests | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | bzk-ti-i:LoansGranted | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:LoansGranted | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:LoansGranted | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:LoansGranted | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:LoansGranted | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:LoansGranted | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | rj-i:DeferredTaxAssetsNoncurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:DeferredTaxAssetsNoncurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:DeferredTaxAssetsNoncurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:DeferredTaxAssetsNoncurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:DeferredTaxAssetsNoncurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:DeferredTaxAssetsNoncurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | rj-i:FinancialAssetsOther | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:FinancialAssetsOther | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:FinancialAssetsOther | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:FinancialAssetsOther | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:FinancialAssetsOther | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:FinancialAssetsOther | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:FinancialAssets | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:FinancialAssets | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:FinancialAssets | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:FinancialAssets | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:FinancialAssets | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:FinancialAssets | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:AssetsNoncurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AssetsNoncurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AssetsNoncurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AssetsNoncurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AssetsNoncurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AssetsNoncurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:Inventories | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Inventories | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Inventories | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Inventories | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Inventories | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Inventories | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | rj-i:ConstructionContractsAssets | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:ConstructionContractsAssets | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:ConstructionContractsAssets | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:ConstructionContractsAssets | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:ConstructionContractsAssets | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:ConstructionContractsAssets | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:Receivables | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Receivables | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Receivables | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Receivables | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Receivables | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Receivables | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:SecuritiesCurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:SecuritiesCurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:SecuritiesCurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:SecuritiesCurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:SecuritiesCurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:SecuritiesCurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:CashAndCashEquivalents | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:CashAndCashEquivalents | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:CashAndCashEquivalents | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:CashAndCashEquivalents | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:CashAndCashEquivalents | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:CashAndCashEquivalents | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:AssetsCurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AssetsCurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AssetsCurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AssetsCurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AssetsCurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AssetsCurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:Assets | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Assets | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Assets | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Assets | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Assets | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Assets | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:RevaluationReserve | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:RevaluationReserve | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:RevaluationReserve | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:RevaluationReserve | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:RevaluationReserve | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:RevaluationReserve | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:LegalStatutoryReserves | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LegalStatutoryReserves | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LegalStatutoryReserves | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LegalStatutoryReserves | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LegalStatutoryReserves | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LegalStatutoryReserves | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:ReservesOther | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:ReservesOther | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:ReservesOther | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:ReservesOther | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:ReservesOther | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:ReservesOther | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:ResultForTheYear | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:ResultForTheYear | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:ResultForTheYear | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:ResultForTheYear | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:ResultForTheYear | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:ResultForTheYear | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:Equity | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Equity | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Equity | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Equity | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Equity | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Equity | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | rj-i:EqualisationAccount | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:EqualisationAccount | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:EqualisationAccount | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:EqualisationAccount | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:EqualisationAccount | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:EqualisationAccount | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:Provisions | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Provisions | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Provisions | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Provisions | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Provisions | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:Provisions | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | bzk-ti-i:PayablesGovernmentNoncurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:PayablesGovernmentNoncurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:PayablesGovernmentNoncurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:PayablesGovernmentNoncurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:PayablesGovernmentNoncurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:PayablesGovernmentNoncurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:PayablesCreditInstitutionsNoncurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesCreditInstitutionsNoncurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesCreditInstitutionsNoncurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesCreditInstitutionsNoncurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesCreditInstitutionsNoncurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesCreditInstitutionsNoncurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:PayablesGroupCompaniesNoncurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesGroupCompaniesNoncurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesGroupCompaniesNoncurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesGroupCompaniesNoncurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesGroupCompaniesNoncurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesGroupCompaniesNoncurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:PayablesShareholdersParticipatingInterestsNoncurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesShareholdersParticipatingInterestsNoncurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesShareholdersParticipatingInterestsNoncurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesShareholdersParticipatingInterestsNoncurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesShareholdersParticipatingInterestsNoncurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesShareholdersParticipatingInterestsNoncurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | rj-i:LiabilitiesFromRealEstateSoldSubjectTermsConditions | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:LiabilitiesFromRealEstateSoldSubjectTermsConditions | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:LiabilitiesFromRealEstateSoldSubjectTermsConditions | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:LiabilitiesFromRealEstateSoldSubjectTermsConditions | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:LiabilitiesFromRealEstateSoldSubjectTermsConditions | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | rj-i:LiabilitiesFromRealEstateSoldSubjectTermsConditions | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:PayablesOtherNoncurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesOtherNoncurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesOtherNoncurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesOtherNoncurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesOtherNoncurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesOtherNoncurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | bzk-aw-wsw-i:InternalLoanLiability | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-aw-wsw-i:InternalLoanLiability | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-aw-wsw-i:InternalLoanLiability | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-aw-wsw-i:InternalLoanLiability | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-aw-wsw-i:InternalLoanLiability | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-aw-wsw-i:InternalLoanLiability | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:LiabilitiesNoncurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LiabilitiesNoncurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LiabilitiesNoncurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LiabilitiesNoncurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LiabilitiesNoncurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LiabilitiesNoncurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | bzk-ti-i:PayablesGovernmentCurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:PayablesGovernmentCurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:PayablesGovernmentCurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:PayablesGovernmentCurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:PayablesGovernmentCurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | bzk-ti-i:PayablesGovernmentCurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:PayablesCreditInstitutionsCurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesCreditInstitutionsCurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesCreditInstitutionsCurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesCreditInstitutionsCurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesCreditInstitutionsCurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesCreditInstitutionsCurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:TradePayablesCurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:TradePayablesCurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:TradePayablesCurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:TradePayablesCurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:TradePayablesCurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:TradePayablesCurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:PayablesGroupCompaniesCurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesGroupCompaniesCurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesGroupCompaniesCurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesGroupCompaniesCurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesGroupCompaniesCurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesGroupCompaniesCurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:PayablesShareholdersParticipatingInterestsCurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesShareholdersParticipatingInterestsCurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesShareholdersParticipatingInterestsCurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesShareholdersParticipatingInterestsCurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesShareholdersParticipatingInterestsCurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesShareholdersParticipatingInterestsCurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
|
| | concept | venj-bw2-i:TaxesSocialSecurityContributionsPayableCurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:TaxesSocialSecurityContributionsPayableCurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:TaxesSocialSecurityContributionsPayableCurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:TaxesSocialSecurityContributionsPayableCurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:TaxesSocialSecurityContributionsPayableCurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:TaxesSocialSecurityContributionsPayableCurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:PensionPayablesCurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PensionPayablesCurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PensionPayablesCurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PensionPayablesCurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PensionPayablesCurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PensionPayablesCurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:PayablesOtherCurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesOtherCurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesOtherCurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesOtherCurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesOtherCurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:PayablesOtherCurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:AccrualsAndDeferredIncomeCurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AccrualsAndDeferredIncomeCurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AccrualsAndDeferredIncomeCurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AccrualsAndDeferredIncomeCurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AccrualsAndDeferredIncomeCurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:AccrualsAndDeferredIncomeCurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:LiabilitiesCurrent | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LiabilitiesCurrent | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LiabilitiesCurrent | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LiabilitiesCurrent | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LiabilitiesCurrent | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:LiabilitiesCurrent | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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| | concept | venj-bw2-i:EquityAndLiabilities | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:EquityAndLiabilities | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:EquityAndLiabilities | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:EquityAndLiabilities | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:EquityAndLiabilities | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
| | concept | venj-bw2-i:EquityAndLiabilities | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:NonDAEBActivitiesMember | x |
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Index
Template
DPM Map