| r0.c0 | Connetions participations real estate exploitation or project development/Current | bzk-aw-wsw-i:ConnectionsParticipationsRealEstateExploitationOrProjectDevelopment | nl-codes:yesNoItemType | instant | $FinancialReportingPeriodCurrentEndDateParam |
| r1.c0 | Number of connections participations/Current | bzk-aw-wsw-i:NumberOfConnectionsParticipations | xbrli:nonNegativeIntegerItemType | instant | $FinancialReportingPeriodCurrentEndDateParam |
| r2.c0 | Consolidated annual accounts/Current | bzk-aw-wsw-i:ConsolidatedAnnualAccounts | nl-codes:yesNoItemType | instant | $FinancialReportingPeriodCurrentEndDateParam |