| r0.c0 | Activated production own business (sales, demolition, new buildings, purchase, accommodation improvement)/Forecast reporting year | bzk-ww-i:CashFlowStatementActivatedProductionOwnBusiness | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r0.c1 | Activated production own business (sales, demolition, new buildings, purchase, accommodation improvement)/First forecast year | bzk-ww-i:CashFlowStatementActivatedProductionOwnBusiness | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam |
| r0.c2 | Activated production own business (sales, demolition, new buildings, purchase, accommodation improvement)/Second forecast year | bzk-ww-i:CashFlowStatementActivatedProductionOwnBusiness | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam |
| r0.c3 | Activated production own business (sales, demolition, new buildings, purchase, accommodation improvement)/Third forecast year | bzk-ww-i:CashFlowStatementActivatedProductionOwnBusiness | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam |
| r0.c4 | Activated production own business (sales, demolition, new buildings, purchase, accommodation improvement)/Fourth forecast year | bzk-ww-i:CashFlowStatementActivatedProductionOwnBusiness | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam |
| r0.c5 | Activated production own business (sales, demolition, new buildings, purchase, accommodation improvement)/Fifth forecast year | bzk-ww-i:CashFlowStatementActivatedProductionOwnBusiness | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam |
| r1.c0 | Part of payments to employees and other cash flows related to maintenance/Forecast reporting year | bzk-ww-i:CashFlowStatementMaintenanceEmployeeBenefitsExpensesOtherCashFlows | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r1.c1 | Part of payments to employees and other cash flows related to maintenance/First forecast year | bzk-ww-i:CashFlowStatementMaintenanceEmployeeBenefitsExpensesOtherCashFlows | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam |
| r1.c2 | Part of payments to employees and other cash flows related to maintenance/Second forecast year | bzk-ww-i:CashFlowStatementMaintenanceEmployeeBenefitsExpensesOtherCashFlows | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam |
| r1.c3 | Part of payments to employees and other cash flows related to maintenance/Third forecast year | bzk-ww-i:CashFlowStatementMaintenanceEmployeeBenefitsExpensesOtherCashFlows | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam |
| r1.c4 | Part of payments to employees and other cash flows related to maintenance/Fourth forecast year | bzk-ww-i:CashFlowStatementMaintenanceEmployeeBenefitsExpensesOtherCashFlows | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam |
| r1.c5 | Part of payments to employees and other cash flows related to maintenance/Fifth forecast year | bzk-ww-i:CashFlowStatementMaintenanceEmployeeBenefitsExpensesOtherCashFlows | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam |
| r2.c0 | Part of payments to employees and other cash flows related to liveability/Forecast reporting year | bzk-ww-i:CashFlowStatementLiveabilityEmployeeBenefitsExpensesOtherCashFlows | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r2.c1 | Part of payments to employees and other cash flows related to liveability/First forecast year | bzk-ww-i:CashFlowStatementLiveabilityEmployeeBenefitsExpensesOtherCashFlows | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam |
| r2.c2 | Part of payments to employees and other cash flows related to liveability/Second forecast year | bzk-ww-i:CashFlowStatementLiveabilityEmployeeBenefitsExpensesOtherCashFlows | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam |
| r2.c3 | Part of payments to employees and other cash flows related to liveability/Third forecast year | bzk-ww-i:CashFlowStatementLiveabilityEmployeeBenefitsExpensesOtherCashFlows | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam |
| r2.c4 | Part of payments to employees and other cash flows related to liveability/Fourth forecast year | bzk-ww-i:CashFlowStatementLiveabilityEmployeeBenefitsExpensesOtherCashFlows | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam |
| r2.c5 | Part of payments to employees and other cash flows related to liveability/Fifth forecast year | bzk-ww-i:CashFlowStatementLiveabilityEmployeeBenefitsExpensesOtherCashFlows | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam |