| r0.c0 | Provisions/ocw-table_NotesProvisionsMovement-x.1.1.1 | venj-bw2-i:Provisions | nl-types:monetaryNoDecimalsItemType | instant | ocw-dm:ActualsMember | xs:date('2016-12-31') | venj-bw2-dm:SeparateMember |
| r1.c0 | ocw-table_NotesProvisionsMovement-y.1/ocw-table_NotesProvisionsMovement-x.1.1.1 | | | | ocw-dm:ActualsMember | xs:date('2016-12-31') | venj-bw2-dm:SeparateMember |
| r2.c0 | Additions to provisions/ocw-table_NotesProvisionsMovement-x.1.1.1 | rj-i:ProvisionsAdditions | nl-types:monetaryNoDecimalsItemType | duration | ocw-dm:ActualsMember | xs:date('2017-01-01')/xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |
| r3.c0 | Usage of provisions/ocw-table_NotesProvisionsMovement-x.1.1.1 | rj-i:ProvisionsUsage | nl-types:monetaryNoDecimalsItemType | duration | ocw-dm:ActualsMember | xs:date('2017-01-01')/xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |
| r4.c0 | Release from provision/ocw-table_NotesProvisionsMovement-x.1.1.1 | rj-i:ProvisionsRelease | nl-types:monetaryNoDecimalsItemType | duration | ocw-dm:ActualsMember | xs:date('2017-01-01')/xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |
| r5.c0 | Yielded interest of provisions/ocw-table_NotesProvisionsMovement-x.1.1.1 | rj-i:ProvisionsYieldedInterest | nl-types:monetaryNoDecimalsItemType | duration | ocw-dm:ActualsMember | xs:date('2017-01-01')/xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |
| r6.c0 | ocw-table_NotesProvisionsMovement-y.2/ocw-table_NotesProvisionsMovement-x.1.1.1 | | | | ocw-dm:ActualsMember | xs:date('2017-01-01')/xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |
| r7.c0 | Provisions/ocw-table_NotesProvisionsMovement-x.1.1.1 | venj-bw2-i:Provisions | nl-types:monetaryNoDecimalsItemType | instant | ocw-dm:ActualsMember | xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |
| r8.c0 | Provisions, maturity within one year/ocw-table_NotesProvisionsMovement-x.1.1.1 | rj-i:ProvisionsMaturityWithinOneYear | nl-types:monetaryNoDecimalsItemType | instant | ocw-dm:ActualsMember | xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |
| r9.c0 | Provisions, maturity exceeding one up to five years/ocw-table_NotesProvisionsMovement-x.1.1.1 | ocw-i:ProvisionsMaturityExceedingOneUptoFiveYears | nl-types:monetaryNoDecimalsItemType | instant | ocw-dm:ActualsMember | xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |
| r10.c0 | Provisions, maturity exceeding five years/ocw-table_NotesProvisionsMovement-x.1.1.1 | rj-i:ProvisionsMaturityExceedingFiveYears | nl-types:monetaryNoDecimalsItemType | instant | ocw-dm:ActualsMember | xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |
| r11.c0 | ocw-table_NotesProvisionsMovement-y.3/ocw-table_NotesProvisionsMovement-x.1.1.1 | | | | ocw-dm:ActualsMember | xs:date('2017-12-31') | venj-bw2-dm:SeparateMember |