| r0.c0 | Current convertible borrowings/Current | jenv-bw2-i:ConvertibleBorrowingsCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r0.c1 | Current convertible borrowings/Previous | jenv-bw2-i:ConvertibleBorrowingsCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r1.c0 | Current debentures, mortgage bonds and other loans/Current | jenv-bw2-i:DebenturesOtherPrivateLoansCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r1.c1 | Current debentures, mortgage bonds and other loans/Previous | jenv-bw2-i:DebenturesOtherPrivateLoansCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r2.c0 | Current finance lease liabilities/Current | rj-i:FinanceLeaseLiabilitiesCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r2.c1 | Current finance lease liabilities/Previous | rj-i:FinanceLeaseLiabilitiesCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r3.c0 | Current payables to banks/Current | jenv-bw2-i:PayablesBanksCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r3.c1 | Current payables to banks/Previous | jenv-bw2-i:PayablesBanksCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r4.c0 | Current advance payments received on orders not yet deducted for asset items/Current | jenv-bw2-i:AdvancesReceivedCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r4.c1 | Current advance payments received on orders not yet deducted for asset items/Previous | jenv-bw2-i:AdvancesReceivedCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r5.c0 | Current trade payables/Current | jenv-bw2-i:TradePayablesCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r5.c1 | Current trade payables/Previous | jenv-bw2-i:TradePayablesCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r6.c0 | Current bills of exchange and cheques payable/Current | jenv-bw2-i:BillsExchangeChequesPayableCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r6.c1 | Current bills of exchange and cheques payable/Previous | jenv-bw2-i:BillsExchangeChequesPayableCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r7.c0 | Current payables to group companies/Current | jenv-bw2-i:PayablesGroupCompaniesCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r7.c1 | Current payables to group companies/Previous | jenv-bw2-i:PayablesGroupCompaniesCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r8.c0 | Current payables to other affiliated companies/Current | jenv-bw2-i:PayablesOtherAffiliatedCompaniesCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r8.c1 | Current payables to other affiliated companies/Previous | jenv-bw2-i:PayablesOtherAffiliatedCompaniesCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r9.c0 | Current payables to other legal entities and companies with a participating interest in the legal entity or to participating interests of the legal entity/Current | jenv-bw2-i:PayablesShareholdersParticipatingInterestsCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r9.c1 | Current payables to other legal entities and companies with a participating interest in the legal entity or to participating interests of the legal entity/Previous | jenv-bw2-i:PayablesShareholdersParticipatingInterestsCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r10.c0 | Payables relating to income tax/Current | rj-i:PayablesIncomeTaxCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r10.c1 | Payables relating to income tax/Previous | rj-i:PayablesIncomeTaxCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r11.c0 | Current payables relating to taxes and social security contributions/Current | jenv-bw2-i:TaxesSocialSecurityContributionsPayableCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r11.c1 | Current payables relating to taxes and social security contributions/Previous | jenv-bw2-i:TaxesSocialSecurityContributionsPayableCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r12.c0 | Current pension related payables/Current | jenv-bw2-i:PensionPayablesCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r12.c1 | Current pension related payables/Previous | jenv-bw2-i:PensionPayablesCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r13.c0 | Repayment obligations of non-current borrowings/Current | jenv-bw2-i:RepaymentObligationsOfNoncurrentBorrowings | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r13.c1 | Repayment obligations of non-current borrowings/Previous | jenv-bw2-i:RepaymentObligationsOfNoncurrentBorrowings | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r14.c0 | Proposed amount of dividend payments to holders of equity instruments/Current | rj-i:DividendPayableHoldersSharesRecordedAsLiability | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r14.c1 | Proposed amount of dividend payments to holders of equity instruments/Previous | rj-i:DividendPayableHoldersSharesRecordedAsLiability | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r15.c0 | Construction contracts (liabilities)/Current | rj-i:ConstructionContractsLiabilities | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r15.c1 | Construction contracts (liabilities)/Previous | rj-i:ConstructionContractsLiabilities | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r16.c0 | Payables relating to employee benefits/Current | rj-i:PayablesEmployeeBenefitsExpenses | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r16.c1 | Payables relating to employee benefits/Previous | rj-i:PayablesEmployeeBenefitsExpenses | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r17.c0 | Debts due to vacation days/Current | rj-i:PayablesVacationDays | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r17.c1 | Debts due to vacation days/Previous | rj-i:PayablesVacationDays | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r18.c0 | Debts due to holiday pay/Current | rj-i:PayablesHolidayPay | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r18.c1 | Debts due to holiday pay/Previous | rj-i:PayablesHolidayPay | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r19.c0 | Dividend payable to holders of preferred shares/Current | rj-i:DividendPayableHoldersPreferredShares | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r19.c1 | Dividend payable to holders of preferred shares/Previous | rj-i:DividendPayableHoldersPreferredShares | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r20.c0 | Current other payables/Current | jenv-bw2-i:PayablesOtherCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r20.c1 | Current other payables/Previous | jenv-bw2-i:PayablesOtherCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r21.c0 | Current accruals and deferred income/Current | jenv-bw2-i:AccrualsAndDeferredIncomeCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r21.c1 | Current accruals and deferred income/Previous | jenv-bw2-i:AccrualsAndDeferredIncomeCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |
| r22.c0 | Current liabilities/Current | jenv-bw2-i:LiabilitiesCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodCurrentEndDateParam |
| r22.c1 | Current liabilities/Previous | jenv-bw2-i:LiabilitiesCurrent | nl-types:monetaryNoDecimals20ItemType | instant | $BasisOfPreparationParam | jenv-bw2-dm:ConsolidatedMember | $FinancialReportingPeriodPreviousEndDateParam |