| r0.c0 | Payables to government (non current)/Current | bzk-ww-i:PayablesGovernmentNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r0.c1 | Payables to government (non current)/Previous | bzk-ww-i:PayablesGovernmentNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodPreviousEndDateParam |
| r1.c0 | Non-current payables to banks/Current | jenv-bw2-i:PayablesCreditInstitutionsNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r1.c1 | Non-current payables to banks/Previous | jenv-bw2-i:PayablesCreditInstitutionsNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodPreviousEndDateParam |
| r2.c0 | Non-current payables to group companies/Current | jenv-bw2-i:PayablesGroupCompaniesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r2.c1 | Non-current payables to group companies/Previous | jenv-bw2-i:PayablesGroupCompaniesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodPreviousEndDateParam |
| r3.c0 | Non-current payables to other legal entities and companies with a participating interest in the legal entity or to participating interests of the legal entity/Current | jenv-bw2-i:PayablesShareholdersParticipatingInterestsNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r3.c1 | Non-current payables to other legal entities and companies with a participating interest in the legal entity or to participating interests of the legal entity/Previous | jenv-bw2-i:PayablesShareholdersParticipatingInterestsNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodPreviousEndDateParam |
| r4.c0 | Non-current payables relating to taxes and social security contributions/Current | jenv-bw2-i:TaxesSocialSecurityContributionsPayableNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r4.c1 | Non-current payables relating to taxes and social security contributions/Previous | jenv-bw2-i:TaxesSocialSecurityContributionsPayableNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodPreviousEndDateParam |
| r5.c0 | Liabilities from real estate sold subject to terms and conditions/Current | rj-i:LiabilitiesFromRealEstateSoldSubjectTermsConditions | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r5.c1 | Liabilities from real estate sold subject to terms and conditions/Previous | rj-i:LiabilitiesFromRealEstateSoldSubjectTermsConditions | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodPreviousEndDateParam |
| r6.c0 | Non-current other payables/Current | jenv-bw2-i:PayablesOtherNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r6.c1 | Non-current other payables/Previous | jenv-bw2-i:PayablesOtherNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodPreviousEndDateParam |
| r7.c0 | Internal loan (liability)/Current | bzk-ww-i:InternalLoanLiability | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r7.c1 | Internal loan (liability)/Previous | bzk-ww-i:InternalLoanLiability | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodPreviousEndDateParam |
| r8.c0 | Non-current liabilities/Current | jenv-bw2-i:LiabilitiesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r8.c1 | Non-current liabilities/Previous | jenv-bw2-i:LiabilitiesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:NonDAEBActivitiesMember | $FinancialReportingPeriodPreviousEndDateParam |