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bzk-table_CashFlowStatementNonDaebHousingDpiVRTable - 3.1.2 - Cash flow statement: non-DAEB activities [table]

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Fourth forecast year

Fifth forecast year

Receipts independent rental properties and dependent housing units non-DAEB

concept	bzk-aw-wsw-i:ReceiptsIndependentRentalPropertiesAndDependentHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ReceiptsIndependentRentalPropertiesAndDependentHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ReceiptsIndependentRentalPropertiesAndDependentHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ReceiptsIndependentRentalPropertiesAndDependentHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ReceiptsIndependentRentalPropertiesAndDependentHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ReceiptsIndependentRentalPropertiesAndDependentHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Receipts other non housing facilities non-DAEB

concept	bzk-aw-wsw-i:ReceiptsOtherNonHousingFacilitiesUnitsNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ReceiptsOtherNonHousingFacilitiesUnitsNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ReceiptsOtherNonHousingFacilitiesUnitsNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ReceiptsOtherNonHousingFacilitiesUnitsNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ReceiptsOtherNonHousingFacilitiesUnitsNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ReceiptsOtherNonHousingFacilitiesUnitsNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Rental income (from operating activities)

concept	bzk-ti-i:RentalIncomeClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:RentalIncomeClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:RentalIncomeClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:RentalIncomeClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:RentalIncomeClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:RentalIncomeClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Reimbursements

concept	bzk-ti-i:Reimbursements	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:Reimbursements	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:Reimbursements	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:Reimbursements	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:Reimbursements	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:Reimbursements	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Receipts government

concept	bzk-ti-i:ReceiptsGovernment	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ReceiptsGovernment	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ReceiptsGovernment	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ReceiptsGovernment	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ReceiptsGovernment	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ReceiptsGovernment	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Other receipts companies

concept	bzk-ti-i:ReceiptsCompaniesOther	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ReceiptsCompaniesOther	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ReceiptsCompaniesOther	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ReceiptsCompaniesOther	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ReceiptsCompaniesOther	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ReceiptsCompaniesOther	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Interest received (excluding internal loan)

concept	bzk-aw-wsw-i:InterestReceivedExcludingInternalLoansClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InterestReceivedExcludingInternalLoansClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InterestReceivedExcludingInternalLoansClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InterestReceivedExcludingInternalLoansClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InterestReceivedExcludingInternalLoansClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InterestReceivedExcludingInternalLoansClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Interest received (from operating activities)

concept	rj-i:InterestReceivedClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:InterestReceivedClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:InterestReceivedClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:InterestReceivedClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:InterestReceivedClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:InterestReceivedClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Cash inflows

concept	bzk-ti-i:BalanceCashInflows	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceCashInflows	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceCashInflows	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceCashInflows	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceCashInflows	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceCashInflows	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Ground lease expenses (from operating activities)

concept	bzk-ti-i:GroundLeaseExpensesClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:GroundLeaseExpensesClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:GroundLeaseExpensesClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:GroundLeaseExpensesClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:GroundLeaseExpensesClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:GroundLeaseExpensesClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Payments to employees

concept	rj-i:PaymentsEmployees	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:PaymentsEmployees	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:PaymentsEmployees	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:PaymentsEmployees	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:PaymentsEmployees	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:PaymentsEmployees	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Maintenance expenses (from operating activities)

concept	bzk-ti-i:MaintenanceExpensesClassifiedAsOperatingExpenses	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:MaintenanceExpensesClassifiedAsOperatingExpenses	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:MaintenanceExpensesClassifiedAsOperatingExpenses	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:MaintenanceExpensesClassifiedAsOperatingExpenses	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:MaintenanceExpensesClassifiedAsOperatingExpenses	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:MaintenanceExpensesClassifiedAsOperatingExpenses	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Other operating expenses (from operating activities)

concept	bzk-ti-i:OperatingExpensesOtherClassifiedAsOperatingExpenses	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:OperatingExpensesOtherClassifiedAsOperatingExpenses	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:OperatingExpensesOtherClassifiedAsOperatingExpenses	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:OperatingExpensesOtherClassifiedAsOperatingExpenses	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:OperatingExpensesOtherClassifiedAsOperatingExpenses	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:OperatingExpensesOtherClassifiedAsOperatingExpenses	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Interest paid (excluding internal loan)

concept	bzk-aw-wsw-i:InterestPaidExcludingInternalLoansClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InterestPaidExcludingInternalLoansClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InterestPaidExcludingInternalLoansClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InterestPaidExcludingInternalLoansClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InterestPaidExcludingInternalLoansClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InterestPaidExcludingInternalLoansClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Interest paid (from operating activities)

concept	rj-i:InterestPaidClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:InterestPaidClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:InterestPaidClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:InterestPaidClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:InterestPaidClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:InterestPaidClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Sector specific levy independent of results

concept	bzk-ti-i:SectorSpecificLevyIndependentOfResult	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:SectorSpecificLevyIndependentOfResult	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:SectorSpecificLevyIndependentOfResult	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:SectorSpecificLevyIndependentOfResult	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:SectorSpecificLevyIndependentOfResult	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:SectorSpecificLevyIndependentOfResult	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Lessor levy

concept	bzk-ti-i:LessorLevy	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:LessorLevy	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:LessorLevy	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:LessorLevy	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:LessorLevy	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:LessorLevy	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Liveability expenses external expenses non-investment related

concept	bzk-ti-i:LiveabilityExpensesExternalExpensesNoninvestmentRelated	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:LiveabilityExpensesExternalExpensesNoninvestmentRelated	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:LiveabilityExpensesExternalExpensesNoninvestmentRelated	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:LiveabilityExpensesExternalExpensesNoninvestmentRelated	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:LiveabilityExpensesExternalExpensesNoninvestmentRelated	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:LiveabilityExpensesExternalExpensesNoninvestmentRelated	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Corporate tax

concept	bzk-ti-i:CorporateTaxClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:CorporateTaxClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:CorporateTaxClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:CorporateTaxClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:CorporateTaxClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:CorporateTaxClassifiedAsOperatingActivities	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Cash outflows

concept	bzk-ti-i:BalanceCashOutflows	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceCashOutflows	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceCashOutflows	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceCashOutflows	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceCashOutflows	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceCashOutflows	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Cash flows from (used in) operating activities

concept	rj-i:CashFlowOperatingActivities	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowOperatingActivities	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowOperatingActivities	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowOperatingActivities	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowOperatingActivities	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowOperatingActivities	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Sales income from rent of housing and non-housing units non-DAEB

concept	bzk-aw-wsw-i:SalesIncomeRentOfHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeRentOfHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeRentOfHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeRentOfHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeRentOfHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeRentOfHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Sales income of housing units (VOV) after purchase in dPi period non-DAEB

concept	bzk-aw-wsw-i:SalesIncomeHousingUnitsVOVAfterPurchaseInDPIPeriodNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeHousingUnitsVOVAfterPurchaseInDPIPeriodNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeHousingUnitsVOVAfterPurchaseInDPIPeriodNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeHousingUnitsVOVAfterPurchaseInDPIPeriodNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeHousingUnitsVOVAfterPurchaseInDPIPeriodNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeHousingUnitsVOVAfterPurchaseInDPIPeriodNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Sales income new buildings, housing and non-housing units non-DAEB

concept	bzk-aw-wsw-i:SalesIncomeNewBuildingsHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeNewBuildingsHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeNewBuildingsHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeNewBuildingsHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeNewBuildingsHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeNewBuildingsHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Sales income land non-DAEB

concept	bzk-aw-wsw-i:SalesIncomeLandNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeLandNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeLandNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeLandNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeLandNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:SalesIncomeLandNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Divestment/investment proceeds other non-DAEB

concept	bzk-aw-wsw-i:DivestmentInvestmentProceedsOtherNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:DivestmentInvestmentProceedsOtherNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:DivestmentInvestmentProceedsOtherNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:DivestmentInvestmentProceedsOtherNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:DivestmentInvestmentProceedsOtherNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:DivestmentInvestmentProceedsOtherNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Proceeds from sales of property, plant and equipment

concept	rj-i:ProceedsSalesPropertyPlantAndEquipment	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:ProceedsSalesPropertyPlantAndEquipment	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:ProceedsSalesPropertyPlantAndEquipment	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:ProceedsSalesPropertyPlantAndEquipment	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:ProceedsSalesPropertyPlantAndEquipment	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:ProceedsSalesPropertyPlantAndEquipment	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

New buildings rent, housing and non-housing units non-DAEB

concept	bzk-aw-wsw-i:PaymentsNewBuildingsRentHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PaymentsNewBuildingsRentHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PaymentsNewBuildingsRentHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PaymentsNewBuildingsRentHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PaymentsNewBuildingsRentHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PaymentsNewBuildingsRentHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Accommodation improvements, housing and non-housing units non-DAEB

concept	bzk-aw-wsw-i:PaymentsAccommodationImprovementsHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PaymentsAccommodationImprovementsHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PaymentsAccommodationImprovementsHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PaymentsAccommodationImprovementsHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PaymentsAccommodationImprovementsHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PaymentsAccommodationImprovementsHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Liveability external expenses project related non-DAEB

concept	bzk-aw-wsw-i:LiveabilityExternalExpensesProjectRelatedNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:LiveabilityExternalExpensesProjectRelatedNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:LiveabilityExternalExpensesProjectRelatedNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:LiveabilityExternalExpensesProjectRelatedNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:LiveabilityExternalExpensesProjectRelatedNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:LiveabilityExternalExpensesProjectRelatedNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Purchase housing and non-housing units non-DAEB

concept	bzk-aw-wsw-i:PurchaseHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

New buildings sale, housing and non-housing units non-DAEB

concept	bzk-aw-wsw-i:NewBuildingsSaleHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:NewBuildingsSaleHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:NewBuildingsSaleHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:NewBuildingsSaleHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:NewBuildingsSaleHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:NewBuildingsSaleHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Purchase housing units (VOV) for resale non-DAEB

concept	bzk-aw-wsw-i:PurchaseHousingUnitsVOVForResaleNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseHousingUnitsVOVForResaleNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseHousingUnitsVOVForResaleNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseHousingUnitsVOVForResaleNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseHousingUnitsVOVForResaleNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseHousingUnitsVOVForResaleNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Demolition expenses, housing and non-housing units non-DAEB

concept	bzk-aw-wsw-i:DemolitionExpensesHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:DemolitionExpensesHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:DemolitionExpensesHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:DemolitionExpensesHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:DemolitionExpensesHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:DemolitionExpensesHousingAndNonHousingUnitsNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Purchase land non-DAEB

concept	bzk-aw-wsw-i:PurchaseLandNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseLandNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseLandNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseLandNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseLandNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:PurchaseLandNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Investments other non-DAEB

concept	bzk-aw-wsw-i:InvestmentOtherFromInvestingActivitiesNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InvestmentOtherFromInvestingActivitiesNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InvestmentOtherFromInvestingActivitiesNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InvestmentOtherFromInvestingActivitiesNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InvestmentOtherFromInvestingActivitiesNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:InvestmentOtherFromInvestingActivitiesNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

External cost at sale non-DAEB

concept	bzk-aw-wsw-i:ExternalCostAtSaleNonDaeb	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ExternalCostAtSaleNonDaeb	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ExternalCostAtSaleNonDaeb	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ExternalCostAtSaleNonDaeb	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ExternalCostAtSaleNonDaeb	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:ExternalCostAtSaleNonDaeb	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Purchase of property, plant and equipment

concept	rj-i:PurchasePropertyPlantEquipment	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:PurchasePropertyPlantEquipment	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:PurchasePropertyPlantEquipment	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:PurchasePropertyPlantEquipment	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:PurchasePropertyPlantEquipment	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:PurchasePropertyPlantEquipment	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Incoming and outgoing cashflow property plant equipment

concept	bzk-ti-i:CashFlowPPEActivities	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:CashFlowPPEActivities	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:CashFlowPPEActivities	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:CashFlowPPEActivities	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:CashFlowPPEActivities	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:CashFlowPPEActivities	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Income compounds

concept	bzk-ti-i:IncomeCompounds	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:IncomeCompounds	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:IncomeCompounds	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:IncomeCompounds	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:IncomeCompounds	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:IncomeCompounds	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Income other

concept	bzk-ti-i:IncomeOtherClassifiedAsInvestingProperties	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:IncomeOtherClassifiedAsInvestingProperties	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:IncomeOtherClassifiedAsInvestingProperties	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:IncomeOtherClassifiedAsInvestingProperties	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:IncomeOtherClassifiedAsInvestingProperties	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:IncomeOtherClassifiedAsInvestingProperties	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Expenses compound

concept	bzk-ti-i:ExpensesCompound	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ExpensesCompound	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ExpensesCompound	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ExpensesCompound	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ExpensesCompound	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ExpensesCompound	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Expenses other (from investing activities)

concept	bzk-ti-i:ExpensesOtherClassifiedAsInvestingActivities	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ExpensesOtherClassifiedAsInvestingActivities	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ExpensesOtherClassifiedAsInvestingActivities	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ExpensesOtherClassifiedAsInvestingActivities	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ExpensesOtherClassifiedAsInvestingActivities	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ExpensesOtherClassifiedAsInvestingActivities	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Balance incoming and outgoing cashflow financial fixed assets

concept	bzk-ti-i:BalanceFinancialFixedAssets	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceFinancialFixedAssets	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceFinancialFixedAssets	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceFinancialFixedAssets	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceFinancialFixedAssets	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:BalanceFinancialFixedAssets	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Cash flows from (used in) investing activities

concept	rj-i:CashFlowInvestingActivities	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowInvestingActivities	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowInvestingActivities	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowInvestingActivities	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowInvestingActivities	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowInvestingActivities	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

New non secured loans

concept	bzk-aw-wsw-i:NewNonSecuredLoans	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:NewNonSecuredLoans	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:NewNonSecuredLoans	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:NewNonSecuredLoans	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:NewNonSecuredLoans	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:NewNonSecuredLoans	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Redemption secured loans

concept	bzk-aw-wsw-i:RedemptionNonSecuredLoans	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:RedemptionNonSecuredLoans	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:RedemptionNonSecuredLoans	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:RedemptionNonSecuredLoans	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:RedemptionNonSecuredLoans	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:RedemptionNonSecuredLoans	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Repayment existing loans from authorized institution

concept	bzk-aw-wsw-i:RepaymentsExistingLoansFromTIClassifiedAsFinancingActivities	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:RepaymentsExistingLoansFromTIClassifiedAsFinancingActivities	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:RepaymentsExistingLoansFromTIClassifiedAsFinancingActivities	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:RepaymentsExistingLoansFromTIClassifiedAsFinancingActivities	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:RepaymentsExistingLoansFromTIClassifiedAsFinancingActivities	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-aw-wsw-i:RepaymentsExistingLoansFromTIClassifiedAsFinancingActivities	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Cash flows from (used in) financing activities

concept	rj-i:CashFlowFinancingActivities	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowFinancingActivities	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowFinancingActivities	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowFinancingActivities	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowFinancingActivities	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:CashFlowFinancingActivities	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Increase (decrease) in cash and cash equivalents

concept	rj-i:IncreaseDecreaseCashAndCashEquivalents	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:IncreaseDecreaseCashAndCashEquivalents	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:IncreaseDecreaseCashAndCashEquivalents	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:IncreaseDecreaseCashAndCashEquivalents	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:IncreaseDecreaseCashAndCashEquivalents	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	rj-i:IncreaseDecreaseCashAndCashEquivalents	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

Changes in short-term loans cash and cash equivalents

concept	bzk-ti-i:ChangesShortTermCashAndCashEquivalents	y
period	$FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ChangesShortTermCashAndCashEquivalents	y
period	$FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ChangesShortTermCashAndCashEquivalents	y
period	$FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ChangesShortTermCashAndCashEquivalents	y
period	$FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ChangesShortTermCashAndCashEquivalents	y
period	$FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x

concept	bzk-ti-i:ChangesShortTermCashAndCashEquivalents	y
period	$FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam	x
venj-bw2-dim:BasisOfPreparationAxis	$BasisOfPreparationParam	x
venj-bw2-dim:FinancialStatementsTypeAxis	bzk-ti-dm:NonDAEBActivitiesMember	x