| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailNumber | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailYearOfDelivery | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailFoundationExpenses | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailMarketValueMutation | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailPolicyValueMutation | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailCashInflows | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailCashOutflows | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
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| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailNumber | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | y | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailYearOfDelivery | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | y | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailFoundationExpenses | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | y | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailMarketValueMutation | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | y | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailPolicyValueMutation | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | y | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailCashInflows | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | y | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
| | bzk-aw-wsw-dim:InvestmentCategoryAxis | * | y | | bzk-aw-wsw-dim:NameProjectAxis | * | y | | bzk-aw-wsw-dim:TypeOfPropertyAxis | * | y | | concept | bzk-aw-wsw-i:ActivitiesOverviewDetailCashOutflows | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | y | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | bzk-ti-dm:DAEBActivitiesMember | x |
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