| r0.c0 | Disclosure of non-current liabilities/Current | jenv-bw2-i:LiabilitiesNoncurrentDisclosure | nl-types:formattedExplanationItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c0 | Disclosure of payables to group companies (non-current)/Current | ocw-i:LiabilitiesGroupCompaniesNoncurrentDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c0 | Disclosure of non-current payables to other affiliated companies/Current | jenv-bw2-i:PayablesOtherAffiliatedCompaniesNoncurrentDisclosure | nl-types:formattedExplanationItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c0 | Disclosure of payables to OCW and EZ (non-current)/Current | ocw-i:LiabilitiesOCWAndEZNoncurrentDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c0 | Disclosure of payables to the ministry of Finance (non-current)/Current | ocw-i:LiabilitiesMinistryOfFinanceNoncurrentDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c0 | Disclosure of payables to local government and common regulations (non-current)/Current | ocw-i:LiabilitiesLocalGovernmentCommonRegulationsNoncurrentDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c0 | Disclosure of other payables (non-current)/Current | ocw-i:LiabilitiesOtherNoncurrentDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |