| r0.c0 | Defined benefit obligation, at present value/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:DefinedBenefitObligationAtPresentValue | xbrli:monetaryItemType | instant | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r1.c0 | Plan assets, at fair value/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:PlanAssetsAtFairValue | xbrli:monetaryItemType | instant | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r2.c0 | Surplus (deficit) in plan/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:SurplusDeficitInPlan | xbrli:monetaryItemType | instant | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r3.c0 | Entity's own financial instruments included in fair value of plan assets/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:DescriptionOfAmountsOfEntitysOwnFinancialInstrumentsIncludedInFairValueOfPlanAssets | xbrli:monetaryItemType | instant | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r4.c0 | Property occupied by entity included in fair value of plan assets/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:DescriptionOfAmountsOfPropertyOccupiedByEntityIncludedInFairValueOfPlanAssets | xbrli:monetaryItemType | instant | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r5.c0 | Other assets used by entity included in fair value of plan assets/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:DescriptionOfAmountsOfOtherAssetsUsedByEntityIncludedInFairValueOfPlanAssets | xbrli:monetaryItemType | instant | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r6.c0 | Actuarial assumption of discount rates/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:ActuarialAssumptionOfDiscountRates | dtr-types:percentItemType | instant | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r7.c0 | Actuarial assumption of expected rates of salary increases/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases | dtr-types:percentItemType | instant | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r8.c0 | Actuarial assumption of medical cost trend rates/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:ActuarialAssumptionOfMedicalCostTrendRates | dtr-types:percentItemType | instant | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r9.c0 | Actuarial assumption of expected rates of pension increases/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:ActuarialAssumptionOfExpectedRatesOfPensionIncreases | dtr-types:percentItemType | instant | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r10.c0 | Actuarial assumption of expected rates of inflation/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflation | dtr-types:percentItemType | instant | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r11.c0 | Other material actuarial assumptions/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:OtherMaterialActuarialAssumptions | dtr-types:percentItemType | instant | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r12.c0 | Level of participation of entity compared with other participating entities/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:LevelOfParticipationOfEntityComparedWithOtherParticipatingEntities | dtr-types:percentItemType | instant | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r13.c0 | kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-y.1/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | | | | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentEndDateParam |
| r14.c0 | Estimate of contributions expected to be paid to plan for next annual reporting period/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | ifrs-full:EstimateOfContributionsExpectedToBePaidToPlan | xbrli:monetaryItemType | duration | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r15.c0 | kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-y.2/kvk-table_NotesDefinedBenefitPlansBreakdownIFRSFullTable-x.1.1 | | | | ifrs-full:SeparateMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |