| r0.c0 | Number of transactions from non-DAEB to DAEB number/Current | bzk-ww-i:TransactionsFromNonDAEBToDAEBNumber | xbrli:nonNegativeIntegerItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r1.c0 | Purchase price of transactions from DAEB to non-DAEB/Current | bzk-ww-i:TransactionsFromNonDAEBToDAEBPurchasePrice | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r2.c0 | Market value of transactions from non-DAEB to DAEB/Current | bzk-ww-i:TransactionsFromNonDAEBToDAEBMarketValue | nl-types:monetaryNoDecimalsItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:SeparateMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |