| r0.c0 | Income of non-current receivables and of securities, specification total/Income of securities and receivables, that are part of non-current assets | jenv-bw2-i:IncomeReceivablesNoncurrentSecurities | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | ocw-dm:FinancialOtherIncomeExpensesSpecificationComponentMember | * | N/A |
| r0.c1 | Income of non-current receivables and of securities, specification total/Income of securities and receivables, that are part of non-current assets | jenv-bw2-i:IncomeReceivablesNoncurrentSecurities | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | ocw-dm:FinancialOtherIncomeExpensesSpecificationComponentMember | * | N/A |
| r0.c2 | Income of non-current receivables and of securities, specification total/Current | | | | N/A | N/A | N/A | * | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c3 | Income of non-current receivables and of securities, specification total/Previous | | | | N/A | N/A | N/A | * | xs:date('2019-01-01')/xs:date('2019-12-31') |
| r1.c0 | ocw-table_FinancialOtherIncomeReceivablesNoncurrentSecuritiesSpecification-y/Income of securities and receivables, that are part of non-current assets | jenv-bw2-i:IncomeReceivablesNoncurrentSecurities | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | ocw-dm:FinancialOtherIncomeExpensesSpecificationComponentMember | * | N/A |
| r1.c1 | ocw-table_FinancialOtherIncomeReceivablesNoncurrentSecuritiesSpecification-y/Income of securities and receivables, that are part of non-current assets | jenv-bw2-i:IncomeReceivablesNoncurrentSecurities | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | ocw-dm:FinancialOtherIncomeExpensesSpecificationComponentMember | * | N/A |
| r1.c2 | ocw-table_FinancialOtherIncomeReceivablesNoncurrentSecuritiesSpecification-y/Current | | | | N/A | N/A | N/A | * | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c3 | ocw-table_FinancialOtherIncomeReceivablesNoncurrentSecuritiesSpecification-y/Previous | | | | N/A | N/A | N/A | * | xs:date('2019-01-01')/xs:date('2019-12-31') |