| r0.c0 | Remediation levy/Forecast reporting year | bzk-dpi-i:RemediationLevy | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r0.c1 | Remediation levy/First forecast year | bzk-dpi-i:RemediationLevy | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam |
| r0.c2 | Remediation levy/Second forecast year | bzk-dpi-i:RemediationLevy | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam |
| r0.c3 | Remediation levy/Third forecast year | bzk-dpi-i:RemediationLevy | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam |
| r0.c4 | Remediation levy/Fourth forecast year | bzk-dpi-i:RemediationLevy | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam |
| r0.c5 | Remediation levy/Fifth forecast year | bzk-dpi-i:RemediationLevy | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam |
| r1.c0 | WSW tax levy/Forecast reporting year | bzk-dpi-i:WswTaxLevy | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r1.c1 | WSW tax levy/First forecast year | bzk-dpi-i:WswTaxLevy | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam |
| r1.c2 | WSW tax levy/Second forecast year | bzk-dpi-i:WswTaxLevy | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam |
| r1.c3 | WSW tax levy/Third forecast year | bzk-dpi-i:WswTaxLevy | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam |
| r1.c4 | WSW tax levy/Fourth forecast year | bzk-dpi-i:WswTaxLevy | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam |
| r1.c5 | WSW tax levy/Fifth forecast year | bzk-dpi-i:WswTaxLevy | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam |
| r2.c0 | Other sector-specific charges/Forecast reporting year | bzk-dpi-i:OtherSectorSpecificCharges | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r2.c1 | Other sector-specific charges/First forecast year | bzk-dpi-i:OtherSectorSpecificCharges | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam |
| r2.c2 | Other sector-specific charges/Second forecast year | bzk-dpi-i:OtherSectorSpecificCharges | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam |
| r2.c3 | Other sector-specific charges/Third forecast year | bzk-dpi-i:OtherSectorSpecificCharges | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam |
| r2.c4 | Other sector-specific charges/Fourth forecast year | bzk-dpi-i:OtherSectorSpecificCharges | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam |
| r2.c5 | Other sector-specific charges/Fifth forecast year | bzk-dpi-i:OtherSectorSpecificCharges | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam |
| r3.c0 | Sector specific levy independent of results/Forecast reporting year | bzk-ww-i:SectorSpecificLevyIndependentOfResult | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r3.c1 | Sector specific levy independent of results/First forecast year | bzk-ww-i:SectorSpecificLevyIndependentOfResult | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam |
| r3.c2 | Sector specific levy independent of results/Second forecast year | bzk-ww-i:SectorSpecificLevyIndependentOfResult | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam |
| r3.c3 | Sector specific levy independent of results/Third forecast year | bzk-ww-i:SectorSpecificLevyIndependentOfResult | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam |
| r3.c4 | Sector specific levy independent of results/Fourth forecast year | bzk-ww-i:SectorSpecificLevyIndependentOfResult | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam |
| r3.c5 | Sector specific levy independent of results/Fifth forecast year | bzk-ww-i:SectorSpecificLevyIndependentOfResult | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam |