| r0.c0 | Did pledges of investments, rental credits and/or other assets take place during the year under review that have not already been mentioned in chapter 2.1?/Current | bzk-ww-i:PledgingOfInvestmentsRentalFeesAndOrOtherAssets | nl-codes:yesNoItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r1.c0 | If so; please elaborate on the pledges of investments, rental credits and/or other assets that took place/Current | bzk-ww-i:PledgingOfInvestmentsRentalFeesAndOrOtherAssetsDisclosure | nl-types:formattedExplanationItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r2.c0 | Are there loans that are not guaranteed or protected by the WSW?/Current | bzk-ww-i:WSWLoans | nl-codes:yesNoItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r3.c0 | Is there a credit facility?/Current | bzk-ww-i:CreditFacility | nl-codes:yesNoItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r4.c0 | Maximum credit amount/Current | bzk-ww-i:MaximumCreditAmount | nl-types:monetaryNoDecimals20ItemType | duration | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |