| r0.c0 | Provisions/ocw-table_NotesProvisionsEmployeeBenefitsMovement-x.1.1.1 | jenv-bw2-i:Provisions | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2019-12-31') |
| r1.c0 | ocw-table_NotesProvisionsEmployeeBenefitsMovement-y.1/ocw-table_NotesProvisionsEmployeeBenefitsMovement-x.1.1.1 | | | | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2019-12-31') |
| r2.c0 | Newly formed provisions/ocw-table_NotesProvisionsEmployeeBenefitsMovement-x.1.1.1 | rj-i:ProvisionsAdditions | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c0 | Expenses charged against provisions/ocw-table_NotesProvisionsEmployeeBenefitsMovement-x.1.1.1 | rj-i:ProvisionsUsage | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c0 | Not used figures released/ocw-table_NotesProvisionsEmployeeBenefitsMovement-x.1.1.1 | rj-i:ProvisionsRelease | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c0 | Yielded interest of provisions and changes in discount rate/ocw-table_NotesProvisionsEmployeeBenefitsMovement-x.1.1.1 | rj-i:ProvisionsYieldedInterest | nl-types:monetaryNoDecimals20ItemType | duration | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c0 | ocw-table_NotesProvisionsEmployeeBenefitsMovement-y.2/ocw-table_NotesProvisionsEmployeeBenefitsMovement-x.1.1.1 | | | | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c0 | Provisions/ocw-table_NotesProvisionsEmployeeBenefitsMovement-x.1.1.1 | jenv-bw2-i:Provisions | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-12-31') |
| r8.c0 | Provisions with an expected maturity within one year/ocw-table_NotesProvisionsEmployeeBenefitsMovement-x.1.1.1 | rj-i:ProvisionsMaturityWithinOneYear | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-12-31') |
| r9.c0 | Provisions with a maturity exceeding five years/ocw-table_NotesProvisionsEmployeeBenefitsMovement-x.1.1.1 | rj-i:ProvisionsMaturityExceedingFiveYears | nl-types:monetaryNoDecimals20ItemType | instant | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-12-31') |
| r10.c0 | ocw-table_NotesProvisionsEmployeeBenefitsMovement-y.3/ocw-table_NotesProvisionsEmployeeBenefitsMovement-x.1.1.1 | | | | jenv-bw2-dm:ConsolidatedMember | ocw-dm:ActualsMember | xs:date('2020-12-31') |