| r0.c0 | Investment results of net-pension arrangements/Current | rj-i:InvestmentResultsNetPensionArrangements | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r0.c1 | Investment results of net-pension arrangements/Previous | rj-i:InvestmentResultsNetPensionArrangements | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | Direct investment results/Current | rj-i:DirectInvestmentResults | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c1 | Direct investment results/Previous | rj-i:DirectInvestmentResults | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c0 | Indirect investment results/Current | rj-i:IndirectInvestmentResults | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r2.c1 | Indirect investment results/Previous | rj-i:IndirectInvestmentResults | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c0 | Asset management expenses/Current | rj-i:AssetManagementExpenses | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r3.c1 | Asset management expenses/Previous | rj-i:AssetManagementExpenses | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c0 | Investments results/Current | rj-i:InvestmentResults | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r4.c1 | Investments results/Previous | rj-i:InvestmentResults | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c0 | Direct investment results on behalf of participants/Current | rj-i:DirectInvestmentResultsOnBehalfOfParticipants | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r5.c1 | Direct investment results on behalf of participants/Previous | rj-i:DirectInvestmentResultsOnBehalfOfParticipants | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r6.c0 | Indirect investment results on behalf of participants/Current | rj-i:IndirectInvestmentResultsOnBehalfOfParticipants | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r6.c1 | Indirect investment results on behalf of participants/Previous | rj-i:IndirectInvestmentResultsOnBehalfOfParticipants | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r7.c0 | Asset management expenses on behalf of participants/Current | rj-i:AssetManagementExpensesOnBehalfOfParticipants | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r7.c1 | Asset management expenses on behalf of participants/Previous | rj-i:AssetManagementExpensesOnBehalfOfParticipants | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r8.c0 | Investment results on behalf of participants/Current | rj-i:InvestmentResultsOnBehalfOfParticipants | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r8.c1 | Investment results on behalf of participants/Previous | rj-i:InvestmentResultsOnBehalfOfParticipants | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r9.c0 | Direct investment results on behalf of pension fund/Current | rj-i:DirectInvestmentResultsOnBehalfOfPensionFund | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r9.c1 | Direct investment results on behalf of pension fund/Previous | rj-i:DirectInvestmentResultsOnBehalfOfPensionFund | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r10.c0 | Indirect investment results on behalf of pension fund/Current | rj-i:IndirectInvestmentResultsOnBehalfOfPensionFund | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r10.c1 | Indirect investment results on behalf of pension fund/Previous | rj-i:IndirectInvestmentResultsOnBehalfOfPensionFund | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r11.c0 | Asset management expenses on behalf of pension fund/Current | rj-i:AssetManagementExpensesOnBehalfOfPensionFund | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r11.c1 | Asset management expenses on behalf of pension fund/Previous | rj-i:AssetManagementExpensesOnBehalfOfPensionFund | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r12.c0 | Investment results on behalf of pension fund/Current | rj-i:InvestmentResultsOnBehalfOfPensionFund | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r12.c1 | Investment results on behalf of pension fund/Previous | rj-i:InvestmentResultsOnBehalfOfPensionFund | nl-types:monetaryNoDecimalsItemType | duration | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |