| r0.c0 | Historical cost price of property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | rj-i:PropertyPlantEquipmentCostPrice | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2019-12-31') |
| r1.c0 | Sum of the depreciation and impairments of property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipmentAccumulatedDepreciationImpairments | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2019-12-31') |
| r2.c0 | Sum of the revaluations concerning property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipmentAccumulatedRevaluations | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2019-12-31') |
| r3.c0 | Property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipment | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2019-12-31') |
| r4.c0 | ocw-table_NotesPropertyPlantEquipmentMovement-y.1/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | | | | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2019-12-31') |
| r5.c0 | Sum of the values of property, plant and equipment acquired during the financial year/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipmentAdditions | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c0 | Sum of the book values of property, plant and equipment no longer available to the legal entity at the end of the financial year/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipmentDisposals | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c0 | Depreciation of property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipmentDepreciation | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c0 | Depreciation on disposals of property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipmentDisposalsDepreciation | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c0 | Revaluations of property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipmentRevaluations | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c0 | Impairment of property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipmentImpairment | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c0 | Reversal of impairment of property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipmentImpairmentReversal | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c0 | Other movements of property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipmentMovementsOther | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c0 | Movement of property, plant and equipment during the period/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipmentMovement | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c0 | ocw-table_NotesPropertyPlantEquipmentMovement-y.2/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | | | | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c0 | Historical cost price of property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | rj-i:PropertyPlantEquipmentCostPrice | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-12-31') |
| r16.c0 | Sum of the depreciation and impairments of property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipmentAccumulatedDepreciationImpairments | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-12-31') |
| r17.c0 | Sum of the revaluations concerning property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipmentAccumulatedRevaluations | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-12-31') |
| r18.c0 | Property, plant and equipment/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | jenv-bw2-i:PropertyPlantEquipment | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-12-31') |
| r19.c0 | ocw-table_NotesPropertyPlantEquipmentMovement-y.3/ocw-table_NotesPropertyPlantEquipmentMovement-x.1.1.1 | | | | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-12-31') |