| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:NumberToEnergyIndex | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:EnergyIndexSmallerOrEqualToZeroPointSix | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:EnergyIndexHigherThanZeroPointSixAndSmallerOrEqualToZeroPointEight | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:EnergyIndexHigherThanZeroPointEightAndSmallerOrEqualToOnePointTwo | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:EnergyIndexHigherThanOnePointTwoAndSmallerOrEqualToOnePointFour | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:EnergyIndexHigherThanOnePointFourAndSmallerOrEqualToOnePointEight | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:EnergyIndexHigherThanOnePointEightAndSmallerOrEqualToTwoPointOne | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:EnergyIndexHigherThanTwoPointOneAndSmallerOrEqualToTwoPointFour | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:EnergyIndexHigherThanTwoPointFourAndSmallerOrEqualToTwoPointSeven | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:EnergyIndexHigherThanTwoPointSeven | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:EnergyIndexUnknown | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x |
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