| r0.c0 | Number of demolition/Forecast reporting year | bzk-aw-wsw-i:DemolitionNumber | xbrli:nonNegativeIntegerItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r0.c1 | Number of demolition/First forecast year | bzk-aw-wsw-i:DemolitionNumber | xbrli:nonNegativeIntegerItemType | duration | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r0.c2 | Number of demolition/Second forecast year | bzk-aw-wsw-i:DemolitionNumber | xbrli:nonNegativeIntegerItemType | duration | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r0.c3 | Number of demolition/Third forecast year | bzk-aw-wsw-i:DemolitionNumber | xbrli:nonNegativeIntegerItemType | duration | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r0.c4 | Number of demolition/Fourth forecast year | bzk-aw-wsw-i:DemolitionNumber | xbrli:nonNegativeIntegerItemType | duration | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r0.c5 | Number of demolition/Fifth forecast year | bzk-aw-wsw-i:DemolitionNumber | xbrli:nonNegativeIntegerItemType | duration | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r1.c0 | Demolition expenses of demolition/Forecast reporting year | bzk-aw-wsw-i:DemolitionDemolitionExpenses | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r1.c1 | Demolition expenses of demolition/First forecast year | bzk-aw-wsw-i:DemolitionDemolitionExpenses | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r1.c2 | Demolition expenses of demolition/Second forecast year | bzk-aw-wsw-i:DemolitionDemolitionExpenses | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r1.c3 | Demolition expenses of demolition/Third forecast year | bzk-aw-wsw-i:DemolitionDemolitionExpenses | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r1.c4 | Demolition expenses of demolition/Fourth forecast year | bzk-aw-wsw-i:DemolitionDemolitionExpenses | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r1.c5 | Demolition expenses of demolition/Fifth forecast year | bzk-aw-wsw-i:DemolitionDemolitionExpenses | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r2.c0 | Scrapping income of demolition/Forecast reporting year | bzk-aw-wsw-i:DemolitionScrappingIncome | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r2.c1 | Scrapping income of demolition/First forecast year | bzk-aw-wsw-i:DemolitionScrappingIncome | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r2.c2 | Scrapping income of demolition/Second forecast year | bzk-aw-wsw-i:DemolitionScrappingIncome | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r2.c3 | Scrapping income of demolition/Third forecast year | bzk-aw-wsw-i:DemolitionScrappingIncome | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r2.c4 | Scrapping income of demolition/Fourth forecast year | bzk-aw-wsw-i:DemolitionScrappingIncome | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r2.c5 | Scrapping income of demolition/Fifth forecast year | bzk-aw-wsw-i:DemolitionScrappingIncome | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r3.c0 | Market value of demolition/Forecast reporting year | bzk-aw-wsw-i:DemolitionMarketValue | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r3.c1 | Market value of demolition/First forecast year | bzk-aw-wsw-i:DemolitionMarketValue | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r3.c2 | Market value of demolition/Second forecast year | bzk-aw-wsw-i:DemolitionMarketValue | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r3.c3 | Market value of demolition/Third forecast year | bzk-aw-wsw-i:DemolitionMarketValue | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r3.c4 | Market value of demolition/Fourth forecast year | bzk-aw-wsw-i:DemolitionMarketValue | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r3.c5 | Market value of demolition/Fifth forecast year | bzk-aw-wsw-i:DemolitionMarketValue | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r4.c0 | Policy value of demolition/Forecast reporting year | bzk-aw-wsw-i:DemolitionPolicyValue | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r4.c1 | Policy value of demolition/First forecast year | bzk-aw-wsw-i:DemolitionPolicyValue | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r4.c2 | Policy value of demolition/Second forecast year | bzk-aw-wsw-i:DemolitionPolicyValue | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r4.c3 | Policy value of demolition/Third forecast year | bzk-aw-wsw-i:DemolitionPolicyValue | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r4.c4 | Policy value of demolition/Fourth forecast year | bzk-aw-wsw-i:DemolitionPolicyValue | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |
| r4.c5 | Policy value of demolition/Fifth forecast year | bzk-aw-wsw-i:DemolitionPolicyValue | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam | $BasisOfPreparationParam | bzk-ti-dm:DAEBActivitiesMember |