| r0.c0 | Equity/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | venj-bw2-i:Equity | nl-types:monetaryNoDecimalsItemType | instant | ocw-dm:ActualsMember | xs:date('2016-12-31') | venj-bw2-dm:SeparateMember |
| r1.c0 | ocw-table_NotesEquityStatementOfChanges-y.1/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | | | | ocw-dm:ActualsMember | xs:date('2016-12-31') | venj-bw2-dm:SeparateMember |
| r2.c0 | Equity, result/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | ocw-i:EquityResult | nl-types:monetaryNoDecimalsItemType | duration | ocw-dm:ActualsMember | xs:date('2017-01-01')/xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |
| r3.c0 | Movement in equity as a result of other movements/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | venj-bw2-i:EquityMovementOther | nl-types:monetaryNoDecimalsItemType | duration | ocw-dm:ActualsMember | xs:date('2017-01-01')/xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |
| r4.c0 | ocw-table_NotesEquityStatementOfChanges-y.2/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | | | | ocw-dm:ActualsMember | xs:date('2017-01-01')/xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |
| r5.c0 | Equity/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | venj-bw2-i:Equity | nl-types:monetaryNoDecimalsItemType | instant | ocw-dm:ActualsMember | xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |
| r6.c0 | ocw-table_NotesEquityStatementOfChanges-y.3/ocw-table_NotesEquityStatementOfChanges-x.1.1.1 | | | | ocw-dm:ActualsMember | xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |