| r0.c0 | Number of sale to other parties/Forecast reporting year | bzk-ww-i:SaleToOtherPartiesNumber | bzk-ww-types:nonNegative1DecimalItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r0.c1 | Number of sale to other parties/First forecast year | bzk-ww-i:SaleToOtherPartiesNumber | bzk-ww-types:nonNegative1DecimalItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam |
| r0.c2 | Number of sale to other parties/Second forecast year | bzk-ww-i:SaleToOtherPartiesNumber | bzk-ww-types:nonNegative1DecimalItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam |
| r0.c3 | Number of sale to other parties/Third forecast year | bzk-ww-i:SaleToOtherPartiesNumber | bzk-ww-types:nonNegative1DecimalItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam |
| r0.c4 | Number of sale to other parties/Fourth forecast year | bzk-ww-i:SaleToOtherPartiesNumber | bzk-ww-types:nonNegative1DecimalItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam |
| r0.c5 | Number of sale to other parties/Fifth forecast year | bzk-ww-i:SaleToOtherPartiesNumber | bzk-ww-types:nonNegative1DecimalItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam |
| r1.c0 | Sales income of sale to others/Forecast reporting year | bzk-ww-i:SaleToOtherPartiesSalesIncome | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r1.c1 | Sales income of sale to others/First forecast year | bzk-ww-i:SaleToOtherPartiesSalesIncome | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam |
| r1.c2 | Sales income of sale to others/Second forecast year | bzk-ww-i:SaleToOtherPartiesSalesIncome | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam |
| r1.c3 | Sales income of sale to others/Third forecast year | bzk-ww-i:SaleToOtherPartiesSalesIncome | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam |
| r1.c4 | Sales income of sale to others/Fourth forecast year | bzk-ww-i:SaleToOtherPartiesSalesIncome | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam |
| r1.c5 | Sales income of sale to others/Fifth forecast year | bzk-ww-i:SaleToOtherPartiesSalesIncome | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam |
| r2.c0 | Sales expenses of sale to other parties/Forecast reporting year | bzk-ww-i:SaleToOtherPartiesSalesExpenses | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r2.c1 | Sales expenses of sale to other parties/First forecast year | bzk-ww-i:SaleToOtherPartiesSalesExpenses | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam |
| r2.c2 | Sales expenses of sale to other parties/Second forecast year | bzk-ww-i:SaleToOtherPartiesSalesExpenses | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam |
| r2.c3 | Sales expenses of sale to other parties/Third forecast year | bzk-ww-i:SaleToOtherPartiesSalesExpenses | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam |
| r2.c4 | Sales expenses of sale to other parties/Fourth forecast year | bzk-ww-i:SaleToOtherPartiesSalesExpenses | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam |
| r2.c5 | Sales expenses of sale to other parties/Fifth forecast year | bzk-ww-i:SaleToOtherPartiesSalesExpenses | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam |
| r3.c0 | Market value of sale to other parties/Forecast reporting year | bzk-ww-i:SaleToOtherPartiesMarketValue | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r3.c1 | Market value of sale to other parties/First forecast year | bzk-ww-i:SaleToOtherPartiesMarketValue | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam |
| r3.c2 | Market value of sale to other parties/Second forecast year | bzk-ww-i:SaleToOtherPartiesMarketValue | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam |
| r3.c3 | Market value of sale to other parties/Third forecast year | bzk-ww-i:SaleToOtherPartiesMarketValue | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam |
| r3.c4 | Market value of sale to other parties/Fourth forecast year | bzk-ww-i:SaleToOtherPartiesMarketValue | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam |
| r3.c5 | Market value of sale to other parties/Fifth forecast year | bzk-ww-i:SaleToOtherPartiesMarketValue | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam |
| r4.c0 | Policy value of sale to other parties/Forecast reporting year | bzk-ww-i:SaleToOtherPartiesPolicyValue | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r4.c1 | Policy value of sale to other parties/First forecast year | bzk-ww-i:SaleToOtherPartiesPolicyValue | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFirstPeriodStartDateParam/$FinancialReportingPeriodFirstPeriodEndDateParam |
| r4.c2 | Policy value of sale to other parties/Second forecast year | bzk-ww-i:SaleToOtherPartiesPolicyValue | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodSecondPeriodStartDateParam/$FinancialReportingPeriodSecondPeriodEndDateParam |
| r4.c3 | Policy value of sale to other parties/Third forecast year | bzk-ww-i:SaleToOtherPartiesPolicyValue | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodThirdPeriodStartDateParam/$FinancialReportingPeriodThirdPeriodEndDateParam |
| r4.c4 | Policy value of sale to other parties/Fourth forecast year | bzk-ww-i:SaleToOtherPartiesPolicyValue | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFourthPeriodStartDateParam/$FinancialReportingPeriodFourthPeriodEndDateParam |
| r4.c5 | Policy value of sale to other parties/Fifth forecast year | bzk-ww-i:SaleToOtherPartiesPolicyValue | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | bzk-ww-dm:DAEBActivitiesMember | $FinancialReportingPeriodFifthPeriodStartDateParam/$FinancialReportingPeriodFifthPeriodEndDateParam |