| r0.c0 | Construction claims/Current | bzk-ww-i:ConstructionClaims | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r0.c1 | Construction claims/Previous | bzk-ww-i:ConstructionClaims | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodPreviousEndDateParam |
| r1.c0 | Costs of goodwill acquired from third party/Current | jenv-bw2-i:Goodwill | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r1.c1 | Costs of goodwill acquired from third party/Previous | jenv-bw2-i:Goodwill | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodPreviousEndDateParam |
| r2.c0 | Other intangible assets/Current | rj-i:IntangibleAssetsOther | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r2.c1 | Other intangible assets/Previous | rj-i:IntangibleAssetsOther | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodPreviousEndDateParam |
| r3.c0 | Intangible assets/Current | jenv-bw2-i:IntangibleAssets | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentEndDateParam |
| r3.c1 | Intangible assets/Previous | jenv-bw2-i:IntangibleAssets | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodPreviousEndDateParam |