| r0.c0 | Disclosure of provisions/Current | jenv-bw2-i:ProvisionsDisclosure | nl-types:formattedExplanationItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r1.c0 | Disclosure of provisions for employee benefits/Current | ocw-i:ProvisionsEmployeeBenefitsDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r2.c0 | Disclosure of provision for onerous contracts/Current | rj-i:ProvisionOnerousContractsDisclosure | nl-types:formattedExplanationItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r3.c0 | Disclosure of provision for major maintenance/Current | rj-i:ProvisionMajorMaintenanceDisclosure | nl-types:formattedExplanationItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r4.c0 | Disclosure of other provisions/Current | jenv-bw2-i:ProvisionsOtherDisclosure | nl-types:formattedExplanationItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |