{
 "documentInfo": {
  "documentType": "https://xbrl.org/2021/xbrl-json",
  "features": {
   "xbrl:canonicalValues": true
  },
  "namespaces": {
   "gruppoigd": "http://www.gruppoigd.it/2021-12-31",
   "ifrs-full": "http://xbrl.ifrs.org/taxonomy/2020-03-16/ifrs-full",
   "iso4217": "http://www.xbrl.org/2003/iso4217",
   "scheme": "http://standards.iso.org/iso/17442",
   "xbrl": "https://xbrl.org/2021",
   "xbrli": "http://www.xbrl.org/2003/instance"
  },
  "taxonomy": [
   "http://www.gruppoigd.it/2021-12-31/igdsiiqspa-2021-12-31.xsd"
  ]
 },
 "facts": {
  "Table_COMPANY_Z_COMPANY_Y_R010_X_C010": {
   "value": "IGD SIIQ s.p.a.",
   "dimensions": {
    "concept": "ifrs-full:NameOfReportingEntityOrOtherMeansOfIdentification",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R020_X_C010": {
   "value": "Societ\u00e0 immobiliare",
   "dimensions": {
    "concept": "ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R030_X_C010": {
   "value": "Via Trattati comunitari europei 1957-2007, 13",
   "dimensions": {
    "concept": "ifrs-full:AddressOfRegisteredOfficeOfEntity",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R040_X_C010": {
   "value": "Italia",
   "dimensions": {
    "concept": "ifrs-full:CountryOfIncorporation",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R050_X_C010": {
   "value": "Bologna",
   "dimensions": {
    "concept": "ifrs-full:DomicileOfEntity",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R060_X_C010": {
   "value": "Italia",
   "dimensions": {
    "concept": "ifrs-full:PrincipalPlaceOfBusiness",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R070_X_C010": {
   "value": "SPA",
   "dimensions": {
    "concept": "ifrs-full:LegalFormOfEntity",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R080_X_C010": {
   "value": "IGD S.p.a.",
   "dimensions": {
    "concept": "ifrs-full:NameOfParentEntity",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R090_X_C010": {
   "value": "IGD S.p.a.",
   "dimensions": {
    "concept": "ifrs-full:NameOfUltimateParentOfGroup",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R100_X_C010": {
   "value": "IAS/IFRS",
   "dimensions": {
    "concept": "ifrs-full:DescriptionOfNatureOfFinancialStatements",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R110_X_C010": {
   "value": "2021-12-31",
   "dimensions": {
    "concept": "ifrs-full:DateOfEndOfReportingPeriod2013",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R120_X_C010": {
   "value": "01/01/2021 to 31/12/2021",
   "dimensions": {
    "concept": "ifrs-full:PeriodCoveredByFinancialStatements",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R130_X_C010": {
   "value": "EUR",
   "dimensions": {
    "concept": "ifrs-full:DescriptionOfPresentationCurrency",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R140_X_C010": {
   "value": "1000",
   "dimensions": {
    "concept": "ifrs-full:LevelOfRoundingUsedInFinancialStatements",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_COMPANY_Z_COMPANY_Y_R150_X_C010": {
   "value": "Explications",
   "dimensions": {
    "concept": "ifrs-full:ExplanationOfChangeInNameOfReportingEntityOrOtherMeansOfIdentificationFromEndOfPrecedingReportingPeriod",
    "language": "it",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00"
   }
  },
  "Table_CE_Z_CE_Y_R010_X_C010": {
   "value": "145095000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Revenue",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R010_X_C020": {
   "value": "145578000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Revenue",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R060_X_C010": {
   "value": "106974000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:RicaviVersoTerzi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R060_X_C020": {
   "value": "105674000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:RicaviVersoTerzi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R120_X_C010": {
   "value": "38121000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:RicaviVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R120_X_C020": {
   "value": "39904000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:RicaviVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R130_X_C010": {
   "value": "6443000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherRevenue",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R130_X_C020": {
   "value": "6388000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherRevenue",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R140_X_C010": {
   "value": "3842000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltriProventiVersoTerzi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R140_X_C020": {
   "value": "3763000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltriProventiVersoTerzi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R150_X_C010": {
   "value": "2601000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltriProventiVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R150_X_C020": {
   "value": "2625000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltriProventiVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R160_X_C010": {
   "value": "440000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:RicaviVenditaImmobiliDaTrading",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R160_X_C020": {
   "value": "708000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:RicaviVenditaImmobiliDaTrading",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R170_X_C010": {
   "value": "151978000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RevenueAndOperatingIncome",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R170_X_C020": {
   "value": "152674000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RevenueAndOperatingIncome",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R210_X_C010": {
   "value": "-2771000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R210_X_C020": {
   "value": "-2594000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R220_X_C010": {
   "value": "154749000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Ricavievariazionidellerimanenze",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R220_X_C020": {
   "value": "155268000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Ricavievariazionidellerimanenze",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R230_X_C010": {
   "value": "3182000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RawMaterialsAndConsumablesUsed",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R230_X_C020": {
   "value": "3509000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RawMaterialsAndConsumablesUsed",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R250_X_C010": {
   "value": "10294000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CostiPerServiziVersoTerzi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R250_X_C020": {
   "value": "9087000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CostiPerServiziVersoTerzi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R260_X_C010": {
   "value": "4394000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CostiPerServiziVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R260_X_C020": {
   "value": "4322000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CostiPerServiziVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R270_X_C010": {
   "value": "10603000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EmployeeBenefitsExpense",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R270_X_C020": {
   "value": "9618000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EmployeeBenefitsExpense",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R280_X_C010": {
   "value": "-17129000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltriCostiOperativi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R280_X_C020": {
   "value": "-19423000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltriCostiOperativi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R290_X_C010": {
   "value": "45602000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OperatingExpense",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R290_X_C020": {
   "value": "45959000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OperatingExpense",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R340_X_C010": {
   "value": "682000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AmortisationExpense",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R340_X_C020": {
   "value": "4563000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AmortisationExpense",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R370_X_C010": {
   "value": "-516000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R370_X_C020": {
   "value": "3152000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R380_X_C010": {
   "value": "3430000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ImpairmentLossRecognisedInProfitOrLossTradeReceivables",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R380_X_C020": {
   "value": "11003000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ImpairmentLossRecognisedInProfitOrLossTradeReceivables",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R390_X_C010": {
   "value": "16850000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:VariazioneDelFairValue",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R390_X_C020": {
   "value": "142866000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:VariazioneDelFairValue",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R410_X_C010": {
   "value": "20446000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R410_X_C020": {
   "value": "161584000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R420_X_C010": {
   "value": "88701000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromContinuingOperations",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R420_X_C020": {
   "value": "-52275000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromContinuingOperations",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R430_X_C010": {
   "value": "942000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:RisultatoCessioneImmobili",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R430_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:RisultatoCessioneImmobili",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R460_X_C010": {
   "value": "-34000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherTradingIncomeExpense",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R460_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherTradingIncomeExpense",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R480_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:SvalutazionePartecipazioni",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R480_X_C020": {
   "value": "72000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:SvalutazionePartecipazioni",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R490_X_C010": {
   "value": "908000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Risultatogestionepartecipazioniecessioneimmobili",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R490_X_C020": {
   "value": "-72000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Risultatogestionepartecipazioniecessioneimmobili",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R550_X_C010": {
   "value": "87000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:ProventiFinanziariVersoTerzi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R550_X_C020": {
   "value": "126000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:ProventiFinanziariVersoTerzi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R600_X_C010": {
   "value": "33924000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:InteressiEAltriOneriFinanziariVersoTerzi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R600_X_C020": {
   "value": "36322000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:InteressiEAltriOneriFinanziariVersoTerzi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R610_X_C010": {
   "value": "1000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:InteressiEAltriOneriFinanziariVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R610_X_C020": {
   "value": "7000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:InteressiEAltriOneriFinanziariVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R620_X_C010": {
   "value": "-33838000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherFinanceIncomeCost",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R620_X_C020": {
   "value": "-36203000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherFinanceIncomeCost",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R630_X_C010": {
   "value": "55771000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossBeforeTax",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R630_X_C020": {
   "value": "-88550000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossBeforeTax",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R670_X_C010": {
   "value": "3002000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxExpenseContinuingOperations",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R670_X_C020": {
   "value": "-14229000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxExpenseContinuingOperations",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R680_X_C010": {
   "value": "52769000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R680_X_C020": {
   "value": "-74321000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R700_X_C010": {
   "value": "52769000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R700_X_C020": {
   "value": "-74321000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_Z_CE_Y_R710_X_C010": {
   "value": "0.478",
   "decimals": 2,
   "dimensions": {
    "concept": "ifrs-full:BasicEarningsLossPerShare",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "Table_CE_Z_CE_Y_R710_X_C020": {
   "value": "-0.672",
   "decimals": 2,
   "dimensions": {
    "concept": "ifrs-full:BasicEarningsLossPerShare",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "Table_CE_Z_CE_Y_R720_X_C010": {
   "value": "-0.478",
   "decimals": 2,
   "dimensions": {
    "concept": "ifrs-full:DilutedEarningsLossPerShare",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "Table_CE_Z_CE_Y_R720_X_C020": {
   "value": "0.672",
   "decimals": 2,
   "dimensions": {
    "concept": "ifrs-full:DilutedEarningsLossPerShare",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R020_X_C010": {
   "value": "52769000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R020_X_C020": {
   "value": "-74321000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R040_X_C010": {
   "value": "-3000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R040_X_C020": {
   "value": "-42000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R150_X_C010": {
   "value": "-1000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R150_X_C020": {
   "value": "-10000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R050_X_C010": {
   "value": "-2000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R050_X_C020": {
   "value": "-32000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R080_X_C010": {
   "value": "6716000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:EffettiSulPatrimonioNettoDeiDerivatiDiCopertura",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R080_X_C020": {
   "value": "3875000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:EffettiSulPatrimonioNettoDeiDerivatiDiCopertura",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R090_X_C010": {
   "value": "-1578000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:EffettiFiscaliSulPatrimonioNettoDeiDerivatiDiCopertura",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R090_X_C020": {
   "value": "-845000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:EffettiFiscaliSulPatrimonioNettoDeiDerivatiDiCopertura",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R100_X_C010": {
   "value": "-589000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R100_X_C020": {
   "value": "-97000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R110_X_C010": {
   "value": "4549000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R110_X_C020": {
   "value": "2933000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R120_X_C010": {
   "value": "57316000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R120_X_C020": {
   "value": "-71420000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R130_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R130_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R140_X_C010": {
   "value": "57316000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CE_COMPLESSIVO_Z_CE_COMPLESSIVO_Y_R140_X_C020": {
   "value": "-71420000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R130_X_C010": {
   "value": "303000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IntangibleAssetsOtherThanGoodwill",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R130_X_C020": {
   "value": "35000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IntangibleAssetsOtherThanGoodwill",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R140_X_C010": {
   "value": "7585000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Goodwill",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R140_X_C020": {
   "value": "8533000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Goodwill",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R150_X_C010": {
   "value": "7888000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IntangibleAssetsAndGoodwill",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R150_X_C020": {
   "value": "8568000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IntangibleAssetsAndGoodwill",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R200_X_C010": {
   "value": "2093176000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentPropertyCompleted",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R200_X_C020": {
   "value": "2234484000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentPropertyCompleted",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R230_X_C010": {
   "value": "7174000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Buildings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R230_X_C020": {
   "value": "7414000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Buildings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R260_X_C010": {
   "value": "115000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:ImpiantiEMacchinari",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R260_X_C020": {
   "value": "143000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:ImpiantiEMacchinari",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R310_X_C010": {
   "value": "1741000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OfficeEquipment",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R310_X_C020": {
   "value": "969000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OfficeEquipment",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R320_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:MigliorieSuBeniDiTerzi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R320_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:MigliorieSuBeniDiTerzi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R330_X_C010": {
   "value": "44095000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentPropertyUnderConstructionOrDevelopment",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R330_X_C020": {
   "value": "42674000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentPropertyUnderConstructionOrDevelopment",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R340_X_C010": {
   "value": "2146301000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totmat",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R340_X_C020": {
   "value": "2285684000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totmat",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R360_X_C010": {
   "value": "6173000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DeferredTaxAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R360_X_C020": {
   "value": "7995000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DeferredTaxAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R390_X_C010": {
   "value": "127000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentReceivables",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R390_X_C020": {
   "value": "129000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentReceivables",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R450_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentAccountedForUsingEquityMethod",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R450_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentAccountedForUsingEquityMethod",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R460_X_C010": {
   "value": "25765000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R460_X_C020": {
   "value": "151000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R510_X_C010": {
   "value": "174000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherNoncurrentFinancialAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R510_X_C020": {
   "value": "174000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherNoncurrentFinancialAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R530_X_C010": {
   "value": "32239000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherNoncurrentAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R530_X_C020": {
   "value": "8449000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherNoncurrentAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R540_X_C010": {
   "value": "2186428000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R540_X_C020": {
   "value": "2302701000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R610_X_C010": {
   "value": "37375000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Inventories",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R610_X_C020": {
   "value": "33843000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Inventories",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R620_X_C010": {
   "value": "15490000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CreditiCommercialiEAltriCrediti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R620_X_C020": {
   "value": "18260000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CreditiCommercialiEAltriCrediti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R680_X_C010": {
   "value": "716000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CreditiCommercialiEAltriCreditiVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R680_X_C020": {
   "value": "775000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CreditiCommercialiEAltriCreditiVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R690_X_C010": {
   "value": "4685000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentTaxAssetsCurrent",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R690_X_C020": {
   "value": "2566000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentTaxAssetsCurrent",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R700_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentTaxAssetsNoncurrent",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R700_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentTaxAssetsNoncurrent",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R740_X_C010": {
   "value": "1032000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherCurrentNonfinancialAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R740_X_C020": {
   "value": "1170000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherCurrentNonfinancialAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R770_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CreditiFinanziariEAltreAttivitaFinanziarieCorrentiVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R770_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CreditiFinanziariEAltreAttivitaFinanziarieCorrentiVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R810_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CreditiFinanziariEAltreAttivitaFinanziarieCorrenti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R810_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CreditiFinanziariEAltreAttivitaFinanziarieCorrenti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R820_X_C010": {
   "value": "158080000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R820_X_C020": {
   "value": "117341000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R830_X_C010": {
   "value": "217378000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R830_X_C020": {
   "value": "173955000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1480_X_C010": {
   "value": "1801000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1480_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R840_X_C010": {
   "value": "2405607000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Assets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R840_X_C020": {
   "value": "2476656000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Assets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R860_X_C010": {
   "value": "650000000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IssuedCapital",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R860_X_C020": {
   "value": "650000000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IssuedCapital",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R870_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:SharePremium",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R870_X_C020": {
   "value": "30058000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:SharePremium",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R880_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TreasuryShares",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R880_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TreasuryShares",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R950_X_C010": {
   "value": "467300000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherReserves",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R950_X_C020": {
   "value": "499131000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherReserves",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R960_X_C010": {
   "value": "1689000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R960_X_C020": {
   "value": "9574000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R970_X_C010": {
   "value": "52769000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Utileperditadellesercizio",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R970_X_C020": {
   "value": "-74321000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Utileperditadellesercizio",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R980_X_C010": {
   "value": "1171758000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EquityAttributableToOwnersOfParent",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R980_X_C020": {
   "value": "1114442000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EquityAttributableToOwnersOfParent",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R990_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncontrollingInterests",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R990_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncontrollingInterests",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1000_X_C010": {
   "value": "1171758000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1000_X_C020": {
   "value": "1114442000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1020_X_C010": {
   "value": "8435000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:PassivitaPerStrumentiDerivati",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1020_X_C020": {
   "value": "14396000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:PassivitaPerStrumentiDerivati",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1100_X_C010": {
   "value": "951408000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherNoncurrentFinancialLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1100_X_C020": {
   "value": "1135707000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherNoncurrentFinancialLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1110_X_C010": {
   "value": "3391000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentProvisionsForEmployeeBenefits",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1110_X_C020": {
   "value": "3267000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentProvisionsForEmployeeBenefits",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1120_X_C010": {
   "value": "17875000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DeferredTaxLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1120_X_C020": {
   "value": "18281000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DeferredTaxLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1170_X_C010": {
   "value": "4130000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherLongtermProvisions",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1170_X_C020": {
   "value": "3793000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherLongtermProvisions",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1180_X_C010": {
   "value": "9504000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:DebitiVariEAltrePassivitaNonCorrenti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1180_X_C020": {
   "value": "9849000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:DebitiVariEAltrePassivitaNonCorrenti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1190_X_C010": {
   "value": "10441000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:DebitiVariEAltrePassivitaNonCorrentiVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1190_X_C020": {
   "value": "13462000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:DebitiVariEAltrePassivitaNonCorrentiVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1200_X_C010": {
   "value": "1005184000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1200_X_C020": {
   "value": "1198755000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1290_X_C010": {
   "value": "192643000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherCurrentFinancialLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1290_X_C020": {
   "value": "137266000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherCurrentFinancialLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1320_X_C010": {
   "value": "16137000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:DebitiCommercialiEAltriDebiti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1320_X_C020": {
   "value": "12091000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:DebitiCommercialiEAltriDebiti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1360_X_C010": {
   "value": "950000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:DebitiCommercialiEAltriDebitiVersoPartiCorrelateCorrenti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1360_X_C020": {
   "value": "485000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:DebitiCommercialiEAltriDebitiVersoPartiCorrelateCorrenti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1390_X_C010": {
   "value": "2967000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentTaxLiabilitiesCurrent",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1390_X_C020": {
   "value": "1814000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentTaxLiabilitiesCurrent",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1430_X_C010": {
   "value": "14740000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltrePassivitaCorrenti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1430_X_C020": {
   "value": "11789000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltrePassivitaCorrenti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1440_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltrePassivitaCorrentiVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1440_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltrePassivitaCorrentiVersoPartiCorrelate",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1450_X_C010": {
   "value": "227437000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1450_X_C020": {
   "value": "163445000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1490_X_C010": {
   "value": "1228000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1490_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1460_X_C010": {
   "value": "1233849000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Liabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1460_X_C020": {
   "value": "1362200000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Liabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1470_X_C010": {
   "value": "2405607000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EquityAndLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_BS_Z_BS_Y_R1470_X_C020": {
   "value": "2476642000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EquityAndLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R010_X_C010": {
   "value": "749738000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R010_X_C020": {
   "value": "30058000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R010_X_C260": {
   "value": "416065000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R010_X_C270": {
   "value": "2562000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R010_X_C280": {
   "value": "12591000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "gruppoigd:UtileDellesecizio",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R010_X_C290": {
   "value": "1211014000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R010_X_C300": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R010_X_C310": {
   "value": "1211014000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R040_X_C260": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R040_X_C280": {
   "value": "-74321000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "gruppoigd:UtileDellesecizio",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R040_X_C290": {
   "value": "-74321000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R040_X_C310": {
   "value": "-74321000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R050_X_C260": {
   "value": "3030000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:ValutazioneDerivatiCashFlowHedge",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R050_X_C290": {
   "value": "3030000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:ValutazioneDerivatiCashFlowHedge",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R050_X_C310": {
   "value": "3030000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:ValutazioneDerivatiCashFlowHedge",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R060_X_C260": {
   "value": "-129000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltriEUtiliPerditeComplessivi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R060_X_C290": {
   "value": "-129000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltriEUtiliPerditeComplessivi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R060_X_C310": {
   "value": "-129000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltriEUtiliPerditeComplessivi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R070_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R070_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R070_X_C260": {
   "value": "2901000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R070_X_C270": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R070_X_C280": {
   "value": "-74321000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "gruppoigd:UtileDellesecizio",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R070_X_C290": {
   "value": "-71420000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R070_X_C300": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R070_X_C310": {
   "value": "-71420000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R080_X_C260": {
   "value": "-2000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R080_X_C290": {
   "value": "-2000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R080_X_C310": {
   "value": "-2000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R100_X_C010": {
   "value": "-99738000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:RiduzioneCapitale",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R100_X_C260": {
   "value": "99738000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:RiduzioneCapitale",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R100_X_C290": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:RiduzioneCapitale",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R100_X_C310": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:RiduzioneCapitale",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R130_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R130_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R130_X_C260": {
   "value": "19571000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R130_X_C270": {
   "value": "5579000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R130_X_C290": {
   "value": "25150000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R130_X_C310": {
   "value": "25150000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R150_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R150_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R150_X_C260": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R150_X_C270": {
   "value": "12591000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R150_X_C280": {
   "value": "-12591000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "gruppoigd:UtileDellesecizio",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R150_X_C290": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R150_X_C300": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R150_X_C310": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R180_X_C010": {
   "value": "650000000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R180_X_C020": {
   "value": "30058000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R180_X_C260": {
   "value": "499131000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R180_X_C270": {
   "value": "9574000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R180_X_C280": {
   "value": "-74321000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "gruppoigd:UtileDellesecizio",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R180_X_C290": {
   "value": "1114442000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R180_X_C300": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R180_X_C310": {
   "value": "1114442000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R190_X_C010": {
   "value": "650000000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R190_X_C020": {
   "value": "30058000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R190_X_C260": {
   "value": "499131000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R190_X_C270": {
   "value": "9574000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R190_X_C280": {
   "value": "-74321000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "gruppoigd:UtileDellesecizio",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R190_X_C290": {
   "value": "1114442000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R190_X_C300": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R190_X_C310": {
   "value": "1114442000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R220_X_C260": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R220_X_C280": {
   "value": "52769000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "gruppoigd:UtileDellesecizio",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R220_X_C290": {
   "value": "52769000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R220_X_C310": {
   "value": "52769000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R230_X_C260": {
   "value": "5138000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:ValutazioneDerivatiCashFlowHedge",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R230_X_C290": {
   "value": "5138000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:ValutazioneDerivatiCashFlowHedge",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R230_X_C310": {
   "value": "5138000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:ValutazioneDerivatiCashFlowHedge",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R240_X_C260": {
   "value": "-591000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltriUtiliPerditeComplessivi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R240_X_C290": {
   "value": "-591000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltriUtiliPerditeComplessivi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R240_X_C310": {
   "value": "-591000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AltriUtiliPerditeComplessivi",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R250_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R250_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R250_X_C260": {
   "value": "4547000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R250_X_C270": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R250_X_C280": {
   "value": "52769000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "gruppoigd:UtileDellesecizio",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R250_X_C290": {
   "value": "57316000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R250_X_C300": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R250_X_C310": {
   "value": "57316000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Totaleutilecomplessivo",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R310_X_C260": {
   "value": "1000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYears",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R310_X_C290": {
   "value": "1000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYears",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R310_X_C310": {
   "value": "1000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYears",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R330_X_C010": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R330_X_C020": {
   "value": "-30058000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R330_X_C260": {
   "value": "-36379000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R330_X_C270": {
   "value": "-7885000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R330_X_C280": {
   "value": "74321000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "gruppoigd:UtileDellesecizio",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R330_X_C290": {
   "value": "-1000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R330_X_C310": {
   "value": "-1000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R360_X_C010": {
   "value": "650000000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R360_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R360_X_C260": {
   "value": "467300000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R360_X_C270": {
   "value": "1689000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:RetainedEarningsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R360_X_C280": {
   "value": "52769000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "gruppoigd:UtileDellesecizio",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R360_X_C290": {
   "value": "1171758000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:EquityAttributableToOwnersOfParentMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R360_X_C300": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "Table_PN_Z_PN_Y_R360_X_C310": {
   "value": "1171758000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R020_X_C010": {
   "value": "52769000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R020_X_C020": {
   "value": "-74321000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R450_X_C010": {
   "value": "3002000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForIncomeTaxExpense",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R450_X_C020": {
   "value": "-14229000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForIncomeTaxExpense",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R050_X_C010": {
   "value": "33838000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForFinanceCosts",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R050_X_C020": {
   "value": "36203000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForFinanceCosts",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R060_X_C010": {
   "value": "682000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AmmortamentiEAccantonamenti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R060_X_C020": {
   "value": "611000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:AmmortamentiEAccantonamenti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R120_X_C020": {
   "value": "3952000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherAdjustmentsForNoncashItems",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R070_X_C010": {
   "value": "3430000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:SvalutazioneCrediti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R070_X_C020": {
   "value": "11003000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:SvalutazioneCrediti",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R080_X_C010": {
   "value": "-516000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Svalutazioneripristiniimmobilizzazioniincorsoelavoriincorsodicostruzione",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R080_X_C020": {
   "value": "3152000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Svalutazioneripristiniimmobilizzazioniincorsoelavoriincorsodicostruzione",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R090_X_C010": {
   "value": "16850000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForFairValueGainsLosses",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R090_X_C020": {
   "value": "142866000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForFairValueGainsLosses",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R100_X_C010": {
   "value": "-908000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R100_X_C020": {
   "value": "72000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R110_X_C010": {
   "value": "1454000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForProvisions",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R110_X_C020": {
   "value": "1389000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForProvisions",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R130_X_C010": {
   "value": "110601000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperations",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R130_X_C020": {
   "value": "110698000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperations",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R150_X_C010": {
   "value": "27400000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForInterestExpense",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R150_X_C020": {
   "value": "29344000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForInterestExpense",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R470_X_C010": {
   "value": "-787000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R470_X_C020": {
   "value": "-1233000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R140_X_C010": {
   "value": "-991000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R140_X_C020": {
   "value": "-788000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R160_X_C010": {
   "value": "81423000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R160_X_C020": {
   "value": "79333000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R170_X_C010": {
   "value": "-3051000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDecreaseIncreaseInInventories",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R170_X_C020": {
   "value": "-2594000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDecreaseIncreaseInInventories",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R180_X_C010": {
   "value": "-526000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R180_X_C020": {
   "value": "-18003000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R190_X_C010": {
   "value": "-1979000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R190_X_C020": {
   "value": "-8658000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R200_X_C010": {
   "value": "4422000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R200_X_C020": {
   "value": "-4401000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R210_X_C010": {
   "value": "-1608000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R210_X_C020": {
   "value": "8357000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R220_X_C010": {
   "value": "78681000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R220_X_C020": {
   "value": "54034000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R430_X_C010": {
   "value": "302000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R430_X_C020": {
   "value": "8000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R460_X_C010": {
   "value": "113819000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:EffettoDismissioneInvestimentiImmobiliari",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R230_X_C010": {
   "value": "18414000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R230_X_C020": {
   "value": "14837000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R440_X_C020": {
   "value": "36000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Disinvestimentiinimmobilizzazionimateriali",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R270_X_C010": {
   "value": "52000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R270_X_C020": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R280_X_C010": {
   "value": "95155000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R280_X_C020": {
   "value": "-14809000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R300_X_C020": {
   "value": "-198000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Venditaazioniproprie",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R310_X_C020": {
   "value": "200000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:Plusvminusazioniproprie",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R330_X_C020": {
   "value": "25150000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaidClassifiedAsFinancingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R340_X_C010": {
   "value": "-8925000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CanoniPagatiPerLocazioniFinanziarie",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R340_X_C020": {
   "value": "-7991000",
   "decimals": -3,
   "dimensions": {
    "concept": "gruppoigd:CanoniPagatiPerLocazioniFinanziarie",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R350_X_C020": {
   "value": "34682000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R360_X_C010": {
   "value": "124083000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R360_X_C020": {
   "value": "52003000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R370_X_C010": {
   "value": "-133008000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R370_X_C020": {
   "value": "-50464000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R380_X_C010": {
   "value": "-89000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R380_X_C020": {
   "value": "-97000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R390_X_C010": {
   "value": "40739000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseInCashAndCashEquivalents",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R390_X_C020": {
   "value": "-11336000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseInCashAndCashEquivalents",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R400_X_C010": {
   "value": "117341000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R400_X_C020": {
   "value": "128677000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2020-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R420_X_C010": {
   "value": "158080000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "Table_CF_Z_CF_Y_R420_X_C020": {
   "value": "117341000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:815600CF8C0389D0E272",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  }
 }
}