| r0.c0 | Interest expenses allocated to investments by the cooperative/Current | bzk-ti-i:CashFlowStatementCorporationInvestmentsInterestExpenditure | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r0.c1 | Interest expenses allocated to investments by the cooperative/Previous | bzk-ti-i:CashFlowStatementCorporationInvestmentsInterestExpenditure | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam |
| r1.c0 | Activated production own business (sales, demolition, new buildings, purchase, accommodation improvement)/Current | bzk-ti-i:CashFlowStatementActivatedProductionOwnBusiness | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r1.c1 | Activated production own business (sales, demolition, new buildings, purchase, accommodation improvement)/Previous | bzk-ti-i:CashFlowStatementActivatedProductionOwnBusiness | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam |
| r2.c0 | Part employee benefits expenses relates to maintenance/Current | bzk-ti-i:CashFlowStatementMaintenanceEmployeeBenefitsExpenses | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r2.c1 | Part employee benefits expenses relates to maintenance/Previous | bzk-ti-i:CashFlowStatementMaintenanceEmployeeBenefitsExpenses | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam |
| r3.c0 | Other cash flows allocated to maintenance/Current | bzk-ti-i:CashFlowStatementMaintenanceOther | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r3.c1 | Other cash flows allocated to maintenance/Previous | bzk-ti-i:CashFlowStatementMaintenanceOther | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam |
| r4.c0 | Part employee benefits expenses relates to liveability/Current | bzk-ti-i:CashFlowStatementLiveabilityEmployeeBenefitsExpenses | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r4.c1 | Part employee benefits expenses relates to liveability/Previous | bzk-ti-i:CashFlowStatementLiveabilityEmployeeBenefitsExpenses | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam |
| r5.c0 | Other cash flows allocated to liveability/Current | bzk-ti-i:CashFlowStatementLiveabilityOther | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r5.c1 | Other cash flows allocated to liveability/Previous | bzk-ti-i:CashFlowStatementLiveabilityOther | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam |