{
 "documentInfo": {
  "documentType": "https://xbrl.org/2021/xbrl-json",
  "features": {
   "xbrl:canonicalValues": true
  },
  "namespaces": {
   "ifrs-full": "http://xbrl.ifrs.org/taxonomy/2020-03-16/ifrs-full",
   "iso4217": "http://www.xbrl.org/2003/iso4217",
   "neinor": "http://neinor.com/xbrl/2021",
   "scheme": "http://standards.iso.org/iso/17442",
   "xbrl": "https://xbrl.org/2021",
   "xbrli": "http://www.xbrl.org/2003/instance"
  },
  "taxonomy": [
   "http://neinor.com/xbrl/2021/959800fw4jl65ywsq217-2021-12-31.xsd"
  ]
 },
 "facts": {
  "fact-327": {
   "value": "4473000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Goodwill",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-328": {
   "value": "4470000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Goodwill",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-8": {
   "value": "799886000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IssuedCapital",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-9": {
   "value": "790050000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IssuedCapital",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-329": {
   "value": "9079000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IntangibleAssetsOtherThanGoodwill",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-330": {
   "value": "1886000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IntangibleAssetsOtherThanGoodwill",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-10": {
   "value": "3493000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:SharePremium",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-11": {
   "value": "39247000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:SharePremium",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-331": {
   "value": "2058000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RightofuseAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-332": {
   "value": "3487000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RightofuseAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-12": {
   "value": "5570000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:StatutoryReserve",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-13": {
   "value": "4773000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:StatutoryReserve",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-333": {
   "value": "6223000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:PropertyPlantAndEquipment",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-334": {
   "value": "5996000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:PropertyPlantAndEquipment",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-14": {
   "value": "64920000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:ReservasDeLaSociedadDominante",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-15": {
   "value": "66211000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:ReservasDeLaSociedadDominante",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-335": {
   "value": "105632000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentProperty",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-336": {
   "value": "185000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentProperty",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-16": {
   "value": "40205000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TreasuryShares",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-17": {
   "value": "51115000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TreasuryShares",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-337": {
   "value": "601000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-338": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-18": {
   "value": "1565000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:OtrasReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-19": {
   "value": "-1561000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:OtrasReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-339": {
   "value": "6000000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:ParticipacionesEnNegociosConjuntos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-340": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:ParticipacionesEnNegociosConjuntos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-20": {
   "value": "5123000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobal",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-21": {
   "value": "-57112000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobal",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-341": {
   "value": "8279000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentFinancialAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-342": {
   "value": "6364000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentFinancialAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-22": {
   "value": "103033000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:ResultadoDelEjercicioAtribuidoALaSociedadDominante",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-23": {
   "value": "70120000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:ResultadoDelEjercicioAtribuidoALaSociedadDominante",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-343": {
   "value": "98319000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DeferredTaxAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-344": {
   "value": "25355000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DeferredTaxAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-24": {
   "value": "943385000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EquityAttributableToOwnersOfParent",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-25": {
   "value": "860613000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EquityAttributableToOwnersOfParent",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-345": {
   "value": "240664000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-346": {
   "value": "47743000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-26": {
   "value": "1111000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncontrollingInterests",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-27": {
   "value": "285000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncontrollingInterests",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-28": {
   "value": "944496000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-29": {
   "value": "860898000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-30": {
   "value": "659000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentProvisions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-31": {
   "value": "195000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentProvisions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-32": {
   "value": "44815000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:DeudasConEntidadesDeCredito",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-33": {
   "value": "70659000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:DeudasConEntidadesDeCredito",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-34": {
   "value": "298261000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherNoncurrentFinancialLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-35": {
   "value": "4706000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherNoncurrentFinancialLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-36": {
   "value": "5130000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DeferredTaxLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-37": {
   "value": "271000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DeferredTaxLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-38": {
   "value": "348865000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-39": {
   "value": "75831000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:NoncurrentLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-40": {
   "value": "56048000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentProvisions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-41": {
   "value": "16680000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentProvisions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-347": {
   "value": "1322683000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InventoriesTotal",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-348": {
   "value": "1208442000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InventoriesTotal",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-42": {
   "value": "213946000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentLoansReceivedAndCurrentPortionOfNoncurrentLoansReceived",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-43": {
   "value": "262335000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentLoansReceivedAndCurrentPortionOfNoncurrentLoansReceived",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-349": {
   "value": "70733000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherCurrentReceivables",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-350": {
   "value": "24813000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherCurrentReceivables",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-44": {
   "value": "6391000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherCurrentFinancialLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-45": {
   "value": "1946000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherCurrentFinancialLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-351": {
   "value": "8914000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentsInAssociates",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-352": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InvestmentsInAssociates",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-46": {
   "value": "175000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:DeudasConEmpresasDelGrupoYAsociadasACortoPlazo",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-47": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:DeudasConEmpresasDelGrupoYAsociadasACortoPlazo",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-353": {
   "value": "5906000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentFinancialAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-354": {
   "value": "2198000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentFinancialAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-48": {
   "value": "255319000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherCurrentPayables",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-49": {
   "value": "183872000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:TradeAndOtherCurrentPayables",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-355": {
   "value": "8164000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AdministracionesPublicasDeudoras",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-356": {
   "value": "5550000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AdministracionesPublicasDeudoras",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-50": {
   "value": "32254000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AdministracionesPublicasAcreedoras",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-51": {
   "value": "45231000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AdministracionesPublicasAcreedoras",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-357": {
   "value": "309644000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-358": {
   "value": "270213000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-52": {
   "value": "109214000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherCurrentLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-53": {
   "value": "112166000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherCurrentLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-359": {
   "value": "1726044000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-360": {
   "value": "1511216000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-54": {
   "value": "673347000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-55": {
   "value": "622230000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CurrentLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-361": {
   "value": "1966708000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Assets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-362": {
   "value": "1558959000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Assets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-56": {
   "value": "1966708000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EquityAndLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-57": {
   "value": "1558959000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EquityAndLiabilities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-58": {
   "value": "914301000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Revenue",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-59": {
   "value": "572801000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Revenue",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-60": {
   "value": "671312000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CostOfSales",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-61": {
   "value": "413735000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CostOfSales",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-62": {
   "value": "35644000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EmployeeBenefitsExpense",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-63": {
   "value": "22022000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:EmployeeBenefitsExpense",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-64": {
   "value": "4903000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DepreciationAndAmortisationExpense",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-65": {
   "value": "4095000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DepreciationAndAmortisationExpense",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-66": {
   "value": "65209000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ServicesExpense",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-67": {
   "value": "36679000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ServicesExpense",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-68": {
   "value": "-15240000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:VariacionDeLasProvisionesDeTrafico",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-69": {
   "value": "-731000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:VariacionDeLasProvisionesDeTrafico",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-70": {
   "value": "2727000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherIncome",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-71": {
   "value": "949000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherIncome",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-72": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:GainsLossesOnDisposalsOfInvestmentProperties",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-73": {
   "value": "151000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:GainsLossesOnDisposalsOfInvestmentProperties",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-74": {
   "value": "16964000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-75": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-76": {
   "value": "142000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:DiferenciaNegativaEnCombinacionDeNegocios",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-77": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:DiferenciaNegativaEnCombinacionDeNegocios",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-78": {
   "value": "141826000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromOperatingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-79": {
   "value": "96639000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromOperatingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-80": {
   "value": "2131000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:FinanceIncome",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-81": {
   "value": "398000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:FinanceIncome",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-82": {
   "value": "20726000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:FinanceCosts",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-83": {
   "value": "6338000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:FinanceCosts",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-84": {
   "value": "-83000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-85": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-86": {
   "value": "-2000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-87": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherIncomeExpenseFromSubsidiariesJointlyControlledEntitiesAndAssociates",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-88": {
   "value": "123146000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossBeforeTax",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-89": {
   "value": "90699000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossBeforeTax",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-90": {
   "value": "20291000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxExpenseContinuingOperations",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-91": {
   "value": "20583000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxExpenseContinuingOperations",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-92": {
   "value": "102855000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromContinuingOperations",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-93": {
   "value": "70116000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossFromContinuingOperations",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-94": {
   "value": "103033000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-95": {
   "value": "70120000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-96": {
   "value": "178000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToNoncontrollingInterests",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-97": {
   "value": "4000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLossAttributableToNoncontrollingInterests",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-98": {
   "value": "1.345",
   "decimals": 3,
   "dimensions": {
    "concept": "ifrs-full:BasicEarningsLossPerShare",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "fact-99": {
   "value": "0.948",
   "decimals": 3,
   "dimensions": {
    "concept": "ifrs-full:BasicEarningsLossPerShare",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "fact-100": {
   "value": "1.345",
   "decimals": 3,
   "dimensions": {
    "concept": "ifrs-full:DilutedEarningsLossPerShare",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "fact-101": {
   "value": "0.948",
   "decimals": 3,
   "dimensions": {
    "concept": "ifrs-full:DilutedEarningsLossPerShare",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR/xbrli:shares"
   }
  },
  "fact-102": {
   "value": "102855000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:ResultadoConsolidadoDeLaCuentaDeResultados",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-103": {
   "value": "70116000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:ResultadoConsolidadoDeLaCuentaDeResultados",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-104": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-105": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncome",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-106": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-107": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-108": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-109": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-110": {
   "value": "102855000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-111": {
   "value": "70116000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncome",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-112": {
   "value": "103033000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-113": {
   "value": "70120000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-114": {
   "value": "-178000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-115": {
   "value": "4000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-116": {
   "value": "790050000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-117": {
   "value": "39247000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-118": {
   "value": "3363000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-119": {
   "value": "52364000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-120": {
   "value": "-51191000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-121": {
   "value": "522000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-122": {
   "value": "-108676000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-123": {
   "value": "63748000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-124": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-125": {
   "value": "789427000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-126": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-127": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-128": {
   "value": "1410000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-129": {
   "value": "12688000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-130": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-131": {
   "value": "-121000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-132": {
   "value": "49771000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-133": {
   "value": "-63748000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-134": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-135": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-136": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-137": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-138": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-139": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-140": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-141": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-142": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-143": {
   "value": "70120000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-144": {
   "value": "-4000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-145": {
   "value": "70116000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-146": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUna",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-147": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUna",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-148": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUna",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-149": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUna",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-150": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUna",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-151": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUna",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-152": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUna",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-153": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUna",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-154": {
   "value": "289000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUna",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-155": {
   "value": "289000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUna",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-156": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-157": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-158": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-159": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-160": {
   "value": "523000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-161": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-162": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-163": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-164": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-165": {
   "value": "523000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-166": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-167": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-168": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-169": {
   "value": "1159000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-170": {
   "value": "-447000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-171": {
   "value": "-1962000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-172": {
   "value": "1793",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-173": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-174": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-175": {
   "value": "543000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-176": {
   "value": "790050000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-177": {
   "value": "39247000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-178": {
   "value": "4773000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-179": {
   "value": "66211000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-180": {
   "value": "-51115000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-181": {
   "value": "-1561000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-182": {
   "value": "-57112000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-183": {
   "value": "70120000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-184": {
   "value": "285000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-185": {
   "value": "860898000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-186": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-187": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-188": {
   "value": "797000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-189": {
   "value": "7071000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-190": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-191": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-192": {
   "value": "62252000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-193": {
   "value": "-70120000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-194": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-195": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AplicacionResultadoAReservas",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-196": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-197": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-198": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-199": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-200": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-201": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-202": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-203": {
   "value": "103033000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-204": {
   "value": "178000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-205": {
   "value": "102855000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IngresosYGastosReconocidos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-206": {
   "value": "9836000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUnaCombinacionDeNegocios",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-207": {
   "value": "1456000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUnaCombinacionDeNegocios",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-208": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUnaCombinacionDeNegocios",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-209": {
   "value": "-8158000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUnaCombinacionDeNegocios",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-210": {
   "value": "50740000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUnaCombinacionDeNegocios",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-211": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUnaCombinacionDeNegocios",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-212": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUnaCombinacionDeNegocios",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-213": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUnaCombinacionDeNegocios",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-214": {
   "value": "1003000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUnaCombinacionDeNegocios",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-215": {
   "value": "54877000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:IncrementoDePatrimonioNetoResultanteDeUnaCombinacionDeNegocios",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-216": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-217": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-218": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-219": {
   "value": "-204000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-220": {
   "value": "-39830000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-221": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-222": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-223": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-224": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-225": {
   "value": "-40034000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-226": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-227": {
   "value": "37210000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-228": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-229": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-230": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-231": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-232": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-233": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-234": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-235": {
   "value": "37210000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:DividendsPaid",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-236": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-237": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-238": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-239": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-240": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-241": {
   "value": "3126000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-242": {
   "value": "-17000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-243": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-244": {
   "value": "1000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-245": {
   "value": "3110000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-246": {
   "value": "799886000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:IssuedCapitalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-247": {
   "value": "3493000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:SharePremiumMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-248": {
   "value": "5570000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:StatutoryReserveMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-249": {
   "value": "64920000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservaDeLaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-250": {
   "value": "-40205000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:TreasurySharesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-251": {
   "value": "1565000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:OtherReservesMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-252": {
   "value": "5123000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ReservasEnSociedadesConsolidadasPorIntegracionGlobalMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-253": {
   "value": "103033000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "neinor:ResultadoDelEjercicoAtribuidoALaSociedadDominanteMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-254": {
   "value": "1111000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "ifrs-full:ComponentsOfEquityAxis": "ifrs-full:NoncontrollingInterestsMember",
    "unit": "iso4217:EUR"
   }
  },
  "fact-255": {
   "value": "944496000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:Equity",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-256": {
   "value": "-123146000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-257": {
   "value": "-90699000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProfitLoss",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-258": {
   "value": "4903000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-259": {
   "value": "4095000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-260": {
   "value": "40265000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForProvisions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-261": {
   "value": "7289000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForProvisions",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-262": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-263": {
   "value": "-151000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-264": {
   "value": "20726000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForFinanceCosts",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-265": {
   "value": "6338000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForFinanceCosts",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-266": {
   "value": "2131000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForFinanceIncome",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-267": {
   "value": "398000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForFinanceIncome",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-268": {
   "value": "-83000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForUndistributedProfitsOfAssociates",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-269": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForUndistributedProfitsOfAssociates",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-270": {
   "value": "2000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForFairValueGainsLosses",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-271": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForFairValueGainsLosses",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-272": {
   "value": "-3582000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:PlanDeIncentivos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-273": {
   "value": "-1790000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:PlanDeIncentivos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-274": {
   "value": "16964000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:VariacionDeValorRazonableEnInversionesInmobiliarias",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-275": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:VariacionDeValorRazonableEnInversionesInmobiliarias",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-276": {
   "value": "142000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AjustesPorP\u00e9rdidasGananciasEnElValorRazonable",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-277": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AjustesPorP\u00e9rdidasGananciasEnElValorRazonable",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-278": {
   "value": "173470000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForReconcileProfitLoss",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-279": {
   "value": "109662000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForReconcileProfitLoss",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-280": {
   "value": "136498000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDecreaseIncreaseInInventories",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-281": {
   "value": "152000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDecreaseIncreaseInInventories",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-282": {
   "value": "-8672000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-283": {
   "value": "2028000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-284": {
   "value": "10609000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-285": {
   "value": "38926000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-286": {
   "value": "-54680000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:OtrosActivosYPasivosCorrientesYNoCorrientes",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-287": {
   "value": "-1377000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:OtrosActivosYPasivosCorrientesYNoCorrientes",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-288": {
   "value": "-32023000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-289": {
   "value": "-14723000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-290": {
   "value": "225202000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-291": {
   "value": "134668000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-292": {
   "value": "-19031000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AdquisicionDeSociedadesDelGrupoNetoDeEfectivo",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-293": {
   "value": "2450000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AdquisicionDeSociedadesDelGrupoNetoDeEfectivo",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-294": {
   "value": "6003000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AdquisicionDeParticipacionesEnNegociosConjuntos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-295": {
   "value": "-0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AdquisicionDeParticipacionesEnNegociosConjuntos",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-296": {
   "value": "738000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AdquisicionDeActivosIntangiblesYTangibles",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-297": {
   "value": "812000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:AdquisicionDeActivosIntangiblesYTangibles",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-298": {
   "value": "54190000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfInvestmentProperty",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-299": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:PurchaseOfInvestmentProperty",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-300": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-301": {
   "value": "624000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-302": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProceedsFromSalesOfInvestmentProperty",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-303": {
   "value": "86000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProceedsFromSalesOfInvestmentProperty",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-304": {
   "value": "1878000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherCashPaymentsToAcquireEquityOrDebtInstrumentsOfOtherEntitiesClassifiedAsInvestingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-305": {
   "value": "20134000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:OtherCashPaymentsToAcquireEquityOrDebtInstrumentsOfOtherEntitiesClassifiedAsInvestingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-306": {
   "value": "-43778000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-307": {
   "value": "-22686000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-308": {
   "value": "605519000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-309": {
   "value": "182133000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-310": {
   "value": "647503000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-311": {
   "value": "189893000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-312": {
   "value": "18539000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InterestPaidClassifiedAsFinancingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-313": {
   "value": "7424000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:InterestPaidClassifiedAsFinancingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-314": {
   "value": "44260000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:OperacionesConAccionesPropiasYOtrasTransaccionesDePatrimonioNeto",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-315": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:OperacionesConAccionesPropiasYOtrasTransaccionesDePatrimonioNeto",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-316": {
   "value": "-37210000",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:OperacionesConAccionesPropias",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-317": {
   "value": "0",
   "decimals": -3,
   "dimensions": {
    "concept": "neinor:OperacionesConAccionesPropias",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-318": {
   "value": "-141993000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-319": {
   "value": "-15184000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-320": {
   "value": "39431000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00/2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-321": {
   "value": "96798000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-322": {
   "value": "270213000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-323": {
   "value": "173415000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-324": {
   "value": "309644000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2022-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-325": {
   "value": "270213000",
   "decimals": -3,
   "dimensions": {
    "concept": "ifrs-full:CashAndCashEquivalents",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2021-01-01T00:00:00",
    "unit": "iso4217:EUR"
   }
  },
  "fact-1": {
   "value": "Neinor Homes, S.A. ",
   "dimensions": {
    "concept": "ifrs-full:NameOfReportingEntityOrOtherMeansOfIdentification",
    "language": "es",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "fact-2": {
   "value": "Neinor Homes, S.A.",
   "dimensions": {
    "concept": "ifrs-full:NameOfParentEntity",
    "language": "es",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "fact-7": {
   "value": "Bolsas de Valores de Bilbao",
   "dimensions": {
    "concept": "ifrs-full:PrincipalPlaceOfBusiness",
    "language": "es",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "fact-5": {
   "value": "El objeto social de la empresa, de acuerdo con sus estatutos es la promoci\u00f3n, gesti\u00f3n y desarrollo de todo  tipo de operaciones inmobiliarias y urban\u00edsticas.",
   "dimensions": {
    "concept": "ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities",
    "language": "es",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "fact-3": {
   "value": "Calle Ercilla  24, Bilbao (Vizcaya)",
   "dimensions": {
    "concept": "ifrs-full:DomicileOfEntity",
    "language": "es",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "fact-326": {
   "value": "Calle Ercilla  24, Bilbao (Vizcaya)",
   "dimensions": {
    "concept": "ifrs-full:AddressOfRegisteredOfficeOfEntity",
    "language": "es",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "fact-4": {
   "value": "Neinor Homes, S.A.",
   "dimensions": {
    "concept": "ifrs-full:NameOfUltimateParentOfGroup",
    "language": "es",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  },
  "fact-6": {
   "value": " y gesti\u00f3n de activos entre las distintas sociedades",
   "dimensions": {
    "concept": "ifrs-full:LegalFormOfEntity",
    "language": "es",
    "entity": "scheme:959800FW4JL65YWSQ217",
    "period": "2020-01-01T00:00:00/2021-01-01T00:00:00"
   }
  }
 }
}