| r0.c0 | Accommodation costs expenses total ratio/Previous | ocw-i:AccommodationCostsExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r0.c1 | Accommodation costs expenses total ratio/Current | ocw-i:AccommodationCostsExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r0.c2 | Accommodation costs expenses total ratio/Current + 1 | ocw-i:AccommodationCostsExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r0.c3 | Accommodation costs expenses total ratio/Current + 2 | ocw-i:AccommodationCostsExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r0.c4 | Accommodation costs expenses total ratio/Current + 3 | ocw-i:AccommodationCostsExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r0.c5 | Accommodation costs expenses total ratio/Current + 4 | ocw-i:AccommodationCostsExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r0.c6 | Accommodation costs expenses total ratio/Current + 5 | ocw-i:AccommodationCostsExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r1.c0 | Liquidity (current ratio)/Previous | ocw-i:LiquidityCurrentRatio | xbrli:decimalItemType | instant | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r1.c1 | Liquidity (current ratio)/Current | ocw-i:LiquidityCurrentRatio | xbrli:decimalItemType | instant | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r1.c2 | Liquidity (current ratio)/Current + 1 | ocw-i:LiquidityCurrentRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r1.c3 | Liquidity (current ratio)/Current + 2 | ocw-i:LiquidityCurrentRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r1.c4 | Liquidity (current ratio)/Current + 3 | ocw-i:LiquidityCurrentRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r1.c5 | Liquidity (current ratio)/Current + 4 | ocw-i:LiquidityCurrentRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r1.c6 | Liquidity (current ratio)/Current + 5 | ocw-i:LiquidityCurrentRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r2.c0 | Liquidity (quick ratio)/Previous | ocw-i:LiquidityQuickRatio | xbrli:decimalItemType | instant | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r2.c1 | Liquidity (quick ratio)/Current | ocw-i:LiquidityQuickRatio | xbrli:decimalItemType | instant | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r2.c2 | Liquidity (quick ratio)/Current + 1 | ocw-i:LiquidityQuickRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r2.c3 | Liquidity (quick ratio)/Current + 2 | ocw-i:LiquidityQuickRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r2.c4 | Liquidity (quick ratio)/Current + 3 | ocw-i:LiquidityQuickRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r2.c5 | Liquidity (quick ratio)/Current + 4 | ocw-i:LiquidityQuickRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r2.c6 | Liquidity (quick ratio)/Current + 5 | ocw-i:LiquidityQuickRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r3.c0 | Personnel expenses / Government contributions/Previous | ocw-i:PersonnelExpensesContributionsCentralGovernmentRatio | num:percentItemType | duration | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r3.c1 | Personnel expenses / Government contributions/Current | ocw-i:PersonnelExpensesContributionsCentralGovernmentRatio | num:percentItemType | duration | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r3.c2 | Personnel expenses / Government contributions/Current + 1 | ocw-i:PersonnelExpensesContributionsCentralGovernmentRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r3.c3 | Personnel expenses / Government contributions/Current + 2 | ocw-i:PersonnelExpensesContributionsCentralGovernmentRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r3.c4 | Personnel expenses / Government contributions/Current + 3 | ocw-i:PersonnelExpensesContributionsCentralGovernmentRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r3.c5 | Personnel expenses / Government contributions/Current + 4 | ocw-i:PersonnelExpensesContributionsCentralGovernmentRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r3.c6 | Personnel expenses / Government contributions/Current + 5 | ocw-i:PersonnelExpensesContributionsCentralGovernmentRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r4.c0 | Personnel expenses / Income total including financial income/Previous | ocw-i:PersonnelExpensesIncomeTotalRatio | num:percentItemType | duration | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r4.c1 | Personnel expenses / Income total including financial income/Current | ocw-i:PersonnelExpensesIncomeTotalRatio | num:percentItemType | duration | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r4.c2 | Personnel expenses / Income total including financial income/Current + 1 | ocw-i:PersonnelExpensesIncomeTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r4.c3 | Personnel expenses / Income total including financial income/Current + 2 | ocw-i:PersonnelExpensesIncomeTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r4.c4 | Personnel expenses / Income total including financial income/Current + 3 | ocw-i:PersonnelExpensesIncomeTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r4.c5 | Personnel expenses / Income total including financial income/Current + 4 | ocw-i:PersonnelExpensesIncomeTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r4.c6 | Personnel expenses / Income total including financial income/Current + 5 | ocw-i:PersonnelExpensesIncomeTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r5.c0 | Personnel expenses / Expenses total/Previous | ocw-i:PersonnelExpensesExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r5.c1 | Personnel expenses / Expenses total/Current | ocw-i:PersonnelExpensesExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r5.c2 | Personnel expenses / Expenses total/Current + 1 | ocw-i:PersonnelExpensesExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r5.c3 | Personnel expenses / Expenses total/Current + 2 | ocw-i:PersonnelExpensesExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r5.c4 | Personnel expenses / Expenses total/Current + 3 | ocw-i:PersonnelExpensesExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r5.c5 | Personnel expenses / Expenses total/Current + 4 | ocw-i:PersonnelExpensesExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r5.c6 | Personnel expenses / Expenses total/Current + 5 | ocw-i:PersonnelExpensesExpensesTotalRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r6.c0 | Profitability ratio/Previous | ocw-i:ProfitabilityRatio | num:percentItemType | duration | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r6.c1 | Profitability ratio/Current | ocw-i:ProfitabilityRatio | num:percentItemType | duration | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r6.c2 | Profitability ratio/Current + 1 | ocw-i:ProfitabilityRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r6.c3 | Profitability ratio/Current + 2 | ocw-i:ProfitabilityRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r6.c4 | Profitability ratio/Current + 3 | ocw-i:ProfitabilityRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r6.c5 | Profitability ratio/Current + 4 | ocw-i:ProfitabilityRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r6.c6 | Profitability ratio/Current + 5 | ocw-i:ProfitabilityRatio | num:percentItemType | duration | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r7.c0 | Solvency ratio/Previous | ocw-i:SolvencyRatio | xbrli:decimalItemType | instant | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r7.c1 | Solvency ratio/Current | ocw-i:SolvencyRatio | xbrli:decimalItemType | instant | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r7.c2 | Solvency ratio/Current + 1 | ocw-i:SolvencyRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r7.c3 | Solvency ratio/Current + 2 | ocw-i:SolvencyRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r7.c4 | Solvency ratio/Current + 3 | ocw-i:SolvencyRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r7.c5 | Solvency ratio/Current + 4 | ocw-i:SolvencyRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r7.c6 | Solvency ratio/Current + 5 | ocw-i:SolvencyRatio | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r8.c0 | Solvency ratio including provisions/Previous | ocw-i:SolvencyRatioIncludingProvisions | xbrli:decimalItemType | instant | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r8.c1 | Solvency ratio including provisions/Current | ocw-i:SolvencyRatioIncludingProvisions | xbrli:decimalItemType | instant | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r8.c2 | Solvency ratio including provisions/Current + 1 | ocw-i:SolvencyRatioIncludingProvisions | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r8.c3 | Solvency ratio including provisions/Current + 2 | ocw-i:SolvencyRatioIncludingProvisions | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r8.c4 | Solvency ratio including provisions/Current + 3 | ocw-i:SolvencyRatioIncludingProvisions | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r8.c5 | Solvency ratio including provisions/Current + 4 | ocw-i:SolvencyRatioIncludingProvisions | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r8.c6 | Solvency ratio including provisions/Current + 5 | ocw-i:SolvencyRatioIncludingProvisions | xbrli:decimalItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r9.c0 | Resilience/Previous | ocw-i:Resilience | num:percentItemType | instant | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r9.c1 | Resilience/Current | ocw-i:Resilience | num:percentItemType | instant | ocw-dm:ActualsMember | venj-bw2-dm:SeparateMember |
| r9.c2 | Resilience/Current + 1 | ocw-i:Resilience | num:percentItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r9.c3 | Resilience/Current + 2 | ocw-i:Resilience | num:percentItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r9.c4 | Resilience/Current + 3 | ocw-i:Resilience | num:percentItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r9.c5 | Resilience/Current + 4 | ocw-i:Resilience | num:percentItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |
| r9.c6 | Resilience/Current + 5 | ocw-i:Resilience | num:percentItemType | instant | ocw-dm:ForecastMember | venj-bw2-dm:SeparateMember |