| r0.c0 | Current convertible borrowings/Current | jenv-bw2-i:ConvertibleBorrowingsCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r0.c1 | Current convertible borrowings/Previous | jenv-bw2-i:ConvertibleBorrowingsCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r1.c0 | Debentures, mortgage bonds and other loans (current)/Current | jenv-bw2-i:DebenturesOtherPrivateLoansCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r1.c1 | Debentures, mortgage bonds and other loans (current)/Previous | jenv-bw2-i:DebenturesOtherPrivateLoansCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r2.c0 | Payables to banks (current)/Current | jenv-bw2-i:PayablesCreditInstitutionsCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r2.c1 | Payables to banks (current)/Previous | jenv-bw2-i:PayablesCreditInstitutionsCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r3.c0 | Current payables to group companies/Current | jenv-bw2-i:PayablesGroupCompaniesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r3.c1 | Current payables to group companies/Previous | jenv-bw2-i:PayablesGroupCompaniesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r4.c0 | Current payables to other related parties/Current | jenv-bw2-i:PayablesOtherRelatedPartiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r4.c1 | Current payables to other related parties/Previous | jenv-bw2-i:PayablesOtherRelatedPartiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r5.c0 | Payables to other legal entities and companies with a participating interest in the legal entity or to participating interests of the legal entity (current)/Current | jenv-bw2-i:PayablesShareholdersParticipatingInterestsCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r5.c1 | Payables to other legal entities and companies with a participating interest in the legal entity or to participating interests of the legal entity (current)/Previous | jenv-bw2-i:PayablesShareholdersParticipatingInterestsCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r6.c0 | Payables relating to income tax/Current | rj-i:PayablesIncomeTax | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r6.c1 | Payables relating to income tax/Previous | rj-i:PayablesIncomeTax | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r7.c0 | Repayment obligations of non-current borrowings/Current | jenv-bw2-i:RepaymentObligationsOfNoncurrentBorrowings | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r7.c1 | Repayment obligations of non-current borrowings/Previous | jenv-bw2-i:RepaymentObligationsOfNoncurrentBorrowings | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r8.c0 | Dividend payable to holders of shares/Current | rj-i:DividendPayableHoldersShares | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r8.c1 | Dividend payable to holders of shares/Previous | rj-i:DividendPayableHoldersShares | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r9.c0 | Construction contracts (liabilities)/Current | rj-i:ConstructionContractsLiabilities | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r9.c1 | Construction contracts (liabilities)/Previous | rj-i:ConstructionContractsLiabilities | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r10.c0 | Obligations for granting rights on vacation days/Current | rj-i:PayablesVacationDaysHolidayPay | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r10.c1 | Obligations for granting rights on vacation days/Previous | rj-i:PayablesVacationDaysHolidayPay | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r11.c0 | Dividend payable to holders of preferred shares/Current | rj-i:DividendPayableHoldersPreferredShares | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r11.c1 | Dividend payable to holders of preferred shares/Previous | rj-i:DividendPayableHoldersPreferredShares | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r12.c0 | Current other payables/Current | jenv-bw2-i:PayablesOtherCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r12.c1 | Current other payables/Previous | jenv-bw2-i:PayablesOtherCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r13.c0 | Current accruals and deferred income/Current | jenv-bw2-i:AccrualsAndDeferredIncomeCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r13.c1 | Current accruals and deferred income/Previous | jenv-bw2-i:AccrualsAndDeferredIncomeCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r14.c0 | Current liabilities/Current | jenv-bw2-i:LiabilitiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r14.c1 | Current liabilities/Previous | jenv-bw2-i:LiabilitiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |