| r0.c0 | Disclosure of detailed information about property, plant and equipment [line items]/Property, plant and equipment [member] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c1 | Disclosure of detailed information about property, plant and equipment [line items]/Land and buildings [member] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c2 | Disclosure of detailed information about property, plant and equipment [line items]/Land [member] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c3 | Disclosure of detailed information about property, plant and equipment [line items]/Buildings [member] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c4 | Disclosure of detailed information about property, plant and equipment [line items]/Machinery [member] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c5 | Disclosure of detailed information about property, plant and equipment [line items]/Vehicles [member] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c6 | Disclosure of detailed information about property, plant and equipment [line items]/Fixtures and fittings [member] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c7 | Disclosure of detailed information about property, plant and equipment [line items]/Office equipment [member] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c8 | Disclosure of detailed information about property, plant and equipment [line items]/Computer equipment [member] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c9 | Disclosure of detailed information about property, plant and equipment [line items]/Communication and network equipment [member] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c10 | Disclosure of detailed information about property, plant and equipment [line items]/Construction in progress [member] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c11 | Disclosure of detailed information about property, plant and equipment [line items]/Información complementaria [miembro] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c12 | Disclosure of detailed information about property, plant and equipment [line items]/Plantas [miembro] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c13 | Disclosure of detailed information about property, plant and equipment [line items]/Ductos [miembro] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c14 | Disclosure of detailed information about property, plant and equipment [line items]/Vías [miembro] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c15 | Disclosure of detailed information about property, plant and equipment [line items]/Redes y Cables [miembro] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c16 | Disclosure of detailed information about property, plant and equipment [line items]/Relleno sanitario [miembro] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c17 | Disclosure of detailed information about property, plant and equipment [line items]/Other property, plant and equipment [member] | ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems | xbrli:stringItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c0 | Measurement bases, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c1 | Measurement bases, property, plant and equipment/Land and buildings [member] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c2 | Measurement bases, property, plant and equipment/Land [member] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c3 | Measurement bases, property, plant and equipment/Buildings [member] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c4 | Measurement bases, property, plant and equipment/Machinery [member] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c5 | Measurement bases, property, plant and equipment/Vehicles [member] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c6 | Measurement bases, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c7 | Measurement bases, property, plant and equipment/Office equipment [member] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c8 | Measurement bases, property, plant and equipment/Computer equipment [member] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c9 | Measurement bases, property, plant and equipment/Communication and network equipment [member] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c10 | Measurement bases, property, plant and equipment/Construction in progress [member] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c11 | Measurement bases, property, plant and equipment/Información complementaria [miembro] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c12 | Measurement bases, property, plant and equipment/Plantas [miembro] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c13 | Measurement bases, property, plant and equipment/Ductos [miembro] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c14 | Measurement bases, property, plant and equipment/Vías [miembro] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c15 | Measurement bases, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c16 | Measurement bases, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c17 | Measurement bases, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:MeasurementBasesPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c0 | Depreciation method, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c1 | Depreciation method, property, plant and equipment/Land and buildings [member] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c2 | Depreciation method, property, plant and equipment/Land [member] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c3 | Depreciation method, property, plant and equipment/Buildings [member] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c4 | Depreciation method, property, plant and equipment/Machinery [member] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c5 | Depreciation method, property, plant and equipment/Vehicles [member] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c6 | Depreciation method, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c7 | Depreciation method, property, plant and equipment/Office equipment [member] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c8 | Depreciation method, property, plant and equipment/Computer equipment [member] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c9 | Depreciation method, property, plant and equipment/Communication and network equipment [member] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c10 | Depreciation method, property, plant and equipment/Construction in progress [member] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c11 | Depreciation method, property, plant and equipment/Información complementaria [miembro] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c12 | Depreciation method, property, plant and equipment/Plantas [miembro] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c13 | Depreciation method, property, plant and equipment/Ductos [miembro] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c14 | Depreciation method, property, plant and equipment/Vías [miembro] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c15 | Depreciation method, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c16 | Depreciation method, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c17 | Depreciation method, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:DepreciationMethodPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c0 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Property, plant and equipment [member] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c1 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Land and buildings [member] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c2 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Land [member] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c3 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Buildings [member] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c4 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Machinery [member] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c5 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Vehicles [member] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c6 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Fixtures and fittings [member] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c7 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Office equipment [member] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c8 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Computer equipment [member] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c9 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Communication and network equipment [member] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c10 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Construction in progress [member] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c11 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Información complementaria [miembro] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c12 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Plantas [miembro] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c13 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Ductos [miembro] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c14 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Vías [miembro] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c15 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Redes y Cables [miembro] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c16 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Relleno sanitario [miembro] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c17 | Vidas útiles o tasas de depreciación, propiedades, planta y equipo/Other property, plant and equipment [member] | co-sspd-ef-Grupo1:VidasUtilesTasasDeDepreciacionPropiedadesPlantaEquipo | xbrli:stringItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c0 | Effective dates of revaluation, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c1 | Effective dates of revaluation, property, plant and equipment/Land and buildings [member] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c2 | Effective dates of revaluation, property, plant and equipment/Land [member] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c3 | Effective dates of revaluation, property, plant and equipment/Buildings [member] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c4 | Effective dates of revaluation, property, plant and equipment/Machinery [member] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c5 | Effective dates of revaluation, property, plant and equipment/Vehicles [member] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c6 | Effective dates of revaluation, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c7 | Effective dates of revaluation, property, plant and equipment/Office equipment [member] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c8 | Effective dates of revaluation, property, plant and equipment/Computer equipment [member] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c9 | Effective dates of revaluation, property, plant and equipment/Communication and network equipment [member] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c10 | Effective dates of revaluation, property, plant and equipment/Construction in progress [member] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c11 | Effective dates of revaluation, property, plant and equipment/Información complementaria [miembro] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c12 | Effective dates of revaluation, property, plant and equipment/Plantas [miembro] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c13 | Effective dates of revaluation, property, plant and equipment/Ductos [miembro] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c14 | Effective dates of revaluation, property, plant and equipment/Vías [miembro] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c15 | Effective dates of revaluation, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c16 | Effective dates of revaluation, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c17 | Effective dates of revaluation, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:EffectiveDatesOfRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c0 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c1 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Land and buildings [member] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c2 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Land [member] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c3 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Buildings [member] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c4 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Machinery [member] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c5 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Vehicles [member] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c6 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c7 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Office equipment [member] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c8 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Computer equipment [member] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c9 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Communication and network equipment [member] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c10 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Construction in progress [member] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c11 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Información complementaria [miembro] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c12 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Plantas [miembro] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c13 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Ductos [miembro] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c14 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Vías [miembro] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c15 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c16 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c17 | Explanation of involvement of independent valuer in revaluation, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:ExplanationOfIndependentValuerUsedForRevaluationPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c0 | Reconciliation of changes in property, plant and equipment [abstract]/Property, plant and equipment [member] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c1 | Reconciliation of changes in property, plant and equipment [abstract]/Land and buildings [member] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c2 | Reconciliation of changes in property, plant and equipment [abstract]/Land [member] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c3 | Reconciliation of changes in property, plant and equipment [abstract]/Buildings [member] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c4 | Reconciliation of changes in property, plant and equipment [abstract]/Machinery [member] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c5 | Reconciliation of changes in property, plant and equipment [abstract]/Vehicles [member] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c6 | Reconciliation of changes in property, plant and equipment [abstract]/Fixtures and fittings [member] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c7 | Reconciliation of changes in property, plant and equipment [abstract]/Office equipment [member] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c8 | Reconciliation of changes in property, plant and equipment [abstract]/Computer equipment [member] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c9 | Reconciliation of changes in property, plant and equipment [abstract]/Communication and network equipment [member] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c10 | Reconciliation of changes in property, plant and equipment [abstract]/Construction in progress [member] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c11 | Reconciliation of changes in property, plant and equipment [abstract]/Información complementaria [miembro] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c12 | Reconciliation of changes in property, plant and equipment [abstract]/Plantas [miembro] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c13 | Reconciliation of changes in property, plant and equipment [abstract]/Ductos [miembro] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c14 | Reconciliation of changes in property, plant and equipment [abstract]/Vías [miembro] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c15 | Reconciliation of changes in property, plant and equipment [abstract]/Redes y Cables [miembro] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c16 | Reconciliation of changes in property, plant and equipment [abstract]/Relleno sanitario [miembro] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c17 | Reconciliation of changes in property, plant and equipment [abstract]/Other property, plant and equipment [member] | ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c0 | Property, plant and equipment/Property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c1 | Property, plant and equipment/Land and buildings [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c2 | Property, plant and equipment/Land [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c3 | Property, plant and equipment/Buildings [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c4 | Property, plant and equipment/Machinery [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c5 | Property, plant and equipment/Vehicles [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c6 | Property, plant and equipment/Fixtures and fittings [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c7 | Property, plant and equipment/Office equipment [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c8 | Property, plant and equipment/Computer equipment [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c9 | Property, plant and equipment/Communication and network equipment [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c10 | Property, plant and equipment/Construction in progress [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c11 | Property, plant and equipment/Información complementaria [miembro] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c12 | Property, plant and equipment/Plantas [miembro] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c13 | Property, plant and equipment/Ductos [miembro] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c14 | Property, plant and equipment/Vías [miembro] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c15 | Property, plant and equipment/Redes y Cables [miembro] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c16 | Property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c17 | Property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c0 | Changes in property, plant and equipment [abstract]/Property, plant and equipment [member] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c1 | Changes in property, plant and equipment [abstract]/Land and buildings [member] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c2 | Changes in property, plant and equipment [abstract]/Land [member] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c3 | Changes in property, plant and equipment [abstract]/Buildings [member] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c4 | Changes in property, plant and equipment [abstract]/Machinery [member] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c5 | Changes in property, plant and equipment [abstract]/Vehicles [member] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c6 | Changes in property, plant and equipment [abstract]/Fixtures and fittings [member] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c7 | Changes in property, plant and equipment [abstract]/Office equipment [member] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c8 | Changes in property, plant and equipment [abstract]/Computer equipment [member] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c9 | Changes in property, plant and equipment [abstract]/Communication and network equipment [member] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c10 | Changes in property, plant and equipment [abstract]/Construction in progress [member] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c11 | Changes in property, plant and equipment [abstract]/Información complementaria [miembro] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c12 | Changes in property, plant and equipment [abstract]/Plantas [miembro] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c13 | Changes in property, plant and equipment [abstract]/Ductos [miembro] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c14 | Changes in property, plant and equipment [abstract]/Vías [miembro] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c15 | Changes in property, plant and equipment [abstract]/Redes y Cables [miembro] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c16 | Changes in property, plant and equipment [abstract]/Relleno sanitario [miembro] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c17 | Changes in property, plant and equipment [abstract]/Other property, plant and equipment [member] | ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract | xbrli:stringItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c0 | Additions other than through business combinations, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c1 | Additions other than through business combinations, property, plant and equipment/Land and buildings [member] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c2 | Additions other than through business combinations, property, plant and equipment/Land [member] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c3 | Additions other than through business combinations, property, plant and equipment/Buildings [member] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c4 | Additions other than through business combinations, property, plant and equipment/Machinery [member] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c5 | Additions other than through business combinations, property, plant and equipment/Vehicles [member] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c6 | Additions other than through business combinations, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c7 | Additions other than through business combinations, property, plant and equipment/Office equipment [member] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c8 | Additions other than through business combinations, property, plant and equipment/Computer equipment [member] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c9 | Additions other than through business combinations, property, plant and equipment/Communication and network equipment [member] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c10 | Additions other than through business combinations, property, plant and equipment/Construction in progress [member] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c11 | Additions other than through business combinations, property, plant and equipment/Información complementaria [miembro] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c12 | Additions other than through business combinations, property, plant and equipment/Plantas [miembro] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c13 | Additions other than through business combinations, property, plant and equipment/Ductos [miembro] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c14 | Additions other than through business combinations, property, plant and equipment/Vías [miembro] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c15 | Additions other than through business combinations, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c16 | Additions other than through business combinations, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c17 | Additions other than through business combinations, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c0 | Increase (decrease) through net exchange differences, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c1 | Increase (decrease) through net exchange differences, property, plant and equipment/Land and buildings [member] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c2 | Increase (decrease) through net exchange differences, property, plant and equipment/Land [member] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c3 | Increase (decrease) through net exchange differences, property, plant and equipment/Buildings [member] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c4 | Increase (decrease) through net exchange differences, property, plant and equipment/Machinery [member] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c5 | Increase (decrease) through net exchange differences, property, plant and equipment/Vehicles [member] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c6 | Increase (decrease) through net exchange differences, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c7 | Increase (decrease) through net exchange differences, property, plant and equipment/Office equipment [member] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c8 | Increase (decrease) through net exchange differences, property, plant and equipment/Computer equipment [member] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c9 | Increase (decrease) through net exchange differences, property, plant and equipment/Communication and network equipment [member] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c10 | Increase (decrease) through net exchange differences, property, plant and equipment/Construction in progress [member] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c11 | Increase (decrease) through net exchange differences, property, plant and equipment/Información complementaria [miembro] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c12 | Increase (decrease) through net exchange differences, property, plant and equipment/Plantas [miembro] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c13 | Increase (decrease) through net exchange differences, property, plant and equipment/Ductos [miembro] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c14 | Increase (decrease) through net exchange differences, property, plant and equipment/Vías [miembro] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c15 | Increase (decrease) through net exchange differences, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c16 | Increase (decrease) through net exchange differences, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c17 | Increase (decrease) through net exchange differences, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c0 | Depreciation, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c1 | Depreciation, property, plant and equipment/Land and buildings [member] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c2 | Depreciation, property, plant and equipment/Land [member] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c3 | Depreciation, property, plant and equipment/Buildings [member] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c4 | Depreciation, property, plant and equipment/Machinery [member] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c5 | Depreciation, property, plant and equipment/Vehicles [member] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c6 | Depreciation, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c7 | Depreciation, property, plant and equipment/Office equipment [member] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c8 | Depreciation, property, plant and equipment/Computer equipment [member] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c9 | Depreciation, property, plant and equipment/Communication and network equipment [member] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c10 | Depreciation, property, plant and equipment/Construction in progress [member] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c11 | Depreciation, property, plant and equipment/Información complementaria [miembro] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c12 | Depreciation, property, plant and equipment/Plantas [miembro] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c13 | Depreciation, property, plant and equipment/Ductos [miembro] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c14 | Depreciation, property, plant and equipment/Vías [miembro] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c15 | Depreciation, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c16 | Depreciation, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c17 | Depreciation, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:DepreciationPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c0 | Impairment loss recognised in profit or loss, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c1 | Impairment loss recognised in profit or loss, property, plant and equipment/Land and buildings [member] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c2 | Impairment loss recognised in profit or loss, property, plant and equipment/Land [member] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c3 | Impairment loss recognised in profit or loss, property, plant and equipment/Buildings [member] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c4 | Impairment loss recognised in profit or loss, property, plant and equipment/Machinery [member] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c5 | Impairment loss recognised in profit or loss, property, plant and equipment/Vehicles [member] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c6 | Impairment loss recognised in profit or loss, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c7 | Impairment loss recognised in profit or loss, property, plant and equipment/Office equipment [member] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c8 | Impairment loss recognised in profit or loss, property, plant and equipment/Computer equipment [member] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c9 | Impairment loss recognised in profit or loss, property, plant and equipment/Communication and network equipment [member] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c10 | Impairment loss recognised in profit or loss, property, plant and equipment/Construction in progress [member] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c11 | Impairment loss recognised in profit or loss, property, plant and equipment/Información complementaria [miembro] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c12 | Impairment loss recognised in profit or loss, property, plant and equipment/Plantas [miembro] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c13 | Impairment loss recognised in profit or loss, property, plant and equipment/Ductos [miembro] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c14 | Impairment loss recognised in profit or loss, property, plant and equipment/Vías [miembro] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c15 | Impairment loss recognised in profit or loss, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c16 | Impairment loss recognised in profit or loss, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c17 | Impairment loss recognised in profit or loss, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c0 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c1 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Land and buildings [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c2 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Land [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c3 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Buildings [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c4 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Machinery [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c5 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Vehicles [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c6 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c7 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Office equipment [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c8 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Computer equipment [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c9 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Communication and network equipment [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c10 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Construction in progress [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c11 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Información complementaria [miembro] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c12 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Plantas [miembro] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c13 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Ductos [miembro] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c14 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Vías [miembro] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c15 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c16 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c17 | Reversal of impairment loss recognised in profit or loss, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c0 | Revaluation increase (decrease), property, plant and equipment/Property, plant and equipment [member] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c1 | Revaluation increase (decrease), property, plant and equipment/Land and buildings [member] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c2 | Revaluation increase (decrease), property, plant and equipment/Land [member] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c3 | Revaluation increase (decrease), property, plant and equipment/Buildings [member] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c4 | Revaluation increase (decrease), property, plant and equipment/Machinery [member] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c5 | Revaluation increase (decrease), property, plant and equipment/Vehicles [member] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c6 | Revaluation increase (decrease), property, plant and equipment/Fixtures and fittings [member] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c7 | Revaluation increase (decrease), property, plant and equipment/Office equipment [member] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c8 | Revaluation increase (decrease), property, plant and equipment/Computer equipment [member] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c9 | Revaluation increase (decrease), property, plant and equipment/Communication and network equipment [member] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c10 | Revaluation increase (decrease), property, plant and equipment/Construction in progress [member] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c11 | Revaluation increase (decrease), property, plant and equipment/Información complementaria [miembro] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c12 | Revaluation increase (decrease), property, plant and equipment/Plantas [miembro] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c13 | Revaluation increase (decrease), property, plant and equipment/Ductos [miembro] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c14 | Revaluation increase (decrease), property, plant and equipment/Vías [miembro] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c15 | Revaluation increase (decrease), property, plant and equipment/Redes y Cables [miembro] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c16 | Revaluation increase (decrease), property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c17 | Revaluation increase (decrease), property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c0 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c1 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Land and buildings [member] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c2 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Land [member] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c3 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Buildings [member] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c4 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Machinery [member] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c5 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Vehicles [member] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c6 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c7 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Office equipment [member] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c8 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Computer equipment [member] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c9 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Communication and network equipment [member] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c10 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Construction in progress [member] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c11 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Información complementaria [miembro] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c12 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Plantas [miembro] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c13 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Ductos [miembro] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c14 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Vías [miembro] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c15 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c16 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c17 | Impairment loss recognised in other comprehensive income, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c0 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c1 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Land and buildings [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c2 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Land [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c3 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Buildings [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c4 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Machinery [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c5 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Vehicles [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c6 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c7 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Office equipment [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c8 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Computer equipment [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c9 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Communication and network equipment [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c10 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Construction in progress [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c11 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Información complementaria [miembro] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c12 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Plantas [miembro] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c13 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Ductos [miembro] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c14 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Vías [miembro] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c15 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c16 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c17 | Reversal of impairment loss recognised in other comprehensive income, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:ReversalOfImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c0 | Disposals and retirements, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c1 | Disposals and retirements, property, plant and equipment/Land and buildings [member] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c2 | Disposals and retirements, property, plant and equipment/Land [member] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c3 | Disposals and retirements, property, plant and equipment/Buildings [member] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c4 | Disposals and retirements, property, plant and equipment/Machinery [member] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c5 | Disposals and retirements, property, plant and equipment/Vehicles [member] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c6 | Disposals and retirements, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c7 | Disposals and retirements, property, plant and equipment/Office equipment [member] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c8 | Disposals and retirements, property, plant and equipment/Computer equipment [member] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c9 | Disposals and retirements, property, plant and equipment/Communication and network equipment [member] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c10 | Disposals and retirements, property, plant and equipment/Construction in progress [member] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c11 | Disposals and retirements, property, plant and equipment/Información complementaria [miembro] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c12 | Disposals and retirements, property, plant and equipment/Plantas [miembro] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c13 | Disposals and retirements, property, plant and equipment/Ductos [miembro] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c14 | Disposals and retirements, property, plant and equipment/Vías [miembro] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c15 | Disposals and retirements, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c16 | Disposals and retirements, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c17 | Disposals and retirements, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c0 | Decrease through classified as held for sale, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c1 | Decrease through classified as held for sale, property, plant and equipment/Land and buildings [member] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c2 | Decrease through classified as held for sale, property, plant and equipment/Land [member] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c3 | Decrease through classified as held for sale, property, plant and equipment/Buildings [member] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c4 | Decrease through classified as held for sale, property, plant and equipment/Machinery [member] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c5 | Decrease through classified as held for sale, property, plant and equipment/Vehicles [member] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c6 | Decrease through classified as held for sale, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c7 | Decrease through classified as held for sale, property, plant and equipment/Office equipment [member] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c8 | Decrease through classified as held for sale, property, plant and equipment/Computer equipment [member] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c9 | Decrease through classified as held for sale, property, plant and equipment/Communication and network equipment [member] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c10 | Decrease through classified as held for sale, property, plant and equipment/Construction in progress [member] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c11 | Decrease through classified as held for sale, property, plant and equipment/Información complementaria [miembro] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c12 | Decrease through classified as held for sale, property, plant and equipment/Plantas [miembro] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c13 | Decrease through classified as held for sale, property, plant and equipment/Ductos [miembro] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c14 | Decrease through classified as held for sale, property, plant and equipment/Vías [miembro] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c15 | Decrease through classified as held for sale, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c16 | Decrease through classified as held for sale, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c17 | Decrease through classified as held for sale, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c0 | Increase (decrease) through other changes, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c1 | Increase (decrease) through other changes, property, plant and equipment/Land and buildings [member] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c2 | Increase (decrease) through other changes, property, plant and equipment/Land [member] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c3 | Increase (decrease) through other changes, property, plant and equipment/Buildings [member] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c4 | Increase (decrease) through other changes, property, plant and equipment/Machinery [member] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c5 | Increase (decrease) through other changes, property, plant and equipment/Vehicles [member] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c6 | Increase (decrease) through other changes, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c7 | Increase (decrease) through other changes, property, plant and equipment/Office equipment [member] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c8 | Increase (decrease) through other changes, property, plant and equipment/Computer equipment [member] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c9 | Increase (decrease) through other changes, property, plant and equipment/Communication and network equipment [member] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c10 | Increase (decrease) through other changes, property, plant and equipment/Construction in progress [member] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c11 | Increase (decrease) through other changes, property, plant and equipment/Información complementaria [miembro] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c12 | Increase (decrease) through other changes, property, plant and equipment/Plantas [miembro] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c13 | Increase (decrease) through other changes, property, plant and equipment/Ductos [miembro] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c14 | Increase (decrease) through other changes, property, plant and equipment/Vías [miembro] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c15 | Increase (decrease) through other changes, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c16 | Increase (decrease) through other changes, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c17 | Increase (decrease) through other changes, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c0 | Increase (decrease) in property, plant and equipment/Property, plant and equipment [member] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c1 | Increase (decrease) in property, plant and equipment/Land and buildings [member] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c2 | Increase (decrease) in property, plant and equipment/Land [member] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c3 | Increase (decrease) in property, plant and equipment/Buildings [member] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c4 | Increase (decrease) in property, plant and equipment/Machinery [member] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c5 | Increase (decrease) in property, plant and equipment/Vehicles [member] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c6 | Increase (decrease) in property, plant and equipment/Fixtures and fittings [member] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c7 | Increase (decrease) in property, plant and equipment/Office equipment [member] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c8 | Increase (decrease) in property, plant and equipment/Computer equipment [member] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c9 | Increase (decrease) in property, plant and equipment/Communication and network equipment [member] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c10 | Increase (decrease) in property, plant and equipment/Construction in progress [member] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c11 | Increase (decrease) in property, plant and equipment/Información complementaria [miembro] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c12 | Increase (decrease) in property, plant and equipment/Plantas [miembro] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c13 | Increase (decrease) in property, plant and equipment/Ductos [miembro] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c14 | Increase (decrease) in property, plant and equipment/Vías [miembro] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c15 | Increase (decrease) in property, plant and equipment/Redes y Cables [miembro] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c16 | Increase (decrease) in property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c17 | Increase (decrease) in property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:ChangesInPropertyPlantAndEquipment | xbrli:monetaryItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c0 | Property, plant and equipment/Property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c1 | Property, plant and equipment/Land and buildings [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c2 | Property, plant and equipment/Land [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c3 | Property, plant and equipment/Buildings [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c4 | Property, plant and equipment/Machinery [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c5 | Property, plant and equipment/Vehicles [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c6 | Property, plant and equipment/Fixtures and fittings [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c7 | Property, plant and equipment/Office equipment [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c8 | Property, plant and equipment/Computer equipment [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c9 | Property, plant and equipment/Communication and network equipment [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c10 | Property, plant and equipment/Construction in progress [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c11 | Property, plant and equipment/Información complementaria [miembro] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c12 | Property, plant and equipment/Plantas [miembro] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c13 | Property, plant and equipment/Ductos [miembro] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c14 | Property, plant and equipment/Vías [miembro] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c15 | Property, plant and equipment/Redes y Cables [miembro] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c16 | Property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c17 | Property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipment | xbrli:monetaryItemType | instant | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c0 | Additional information [abstract]/Property, plant and equipment [member] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c1 | Additional information [abstract]/Land and buildings [member] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c2 | Additional information [abstract]/Land [member] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c3 | Additional information [abstract]/Buildings [member] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c4 | Additional information [abstract]/Machinery [member] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c5 | Additional information [abstract]/Vehicles [member] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c6 | Additional information [abstract]/Fixtures and fittings [member] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c7 | Additional information [abstract]/Office equipment [member] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c8 | Additional information [abstract]/Computer equipment [member] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c9 | Additional information [abstract]/Communication and network equipment [member] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c10 | Additional information [abstract]/Construction in progress [member] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c11 | Additional information [abstract]/Información complementaria [miembro] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c12 | Additional information [abstract]/Plantas [miembro] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c13 | Additional information [abstract]/Ductos [miembro] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c14 | Additional information [abstract]/Vías [miembro] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c15 | Additional information [abstract]/Redes y Cables [miembro] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c16 | Additional information [abstract]/Relleno sanitario [miembro] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c17 | Additional information [abstract]/Other property, plant and equipment [member] | ifrs-full:AdditionalInformationAbstract | xbrli:stringItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c0 | Property, plant and equipment, expenditures recognised in course of its construction/Property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c1 | Property, plant and equipment, expenditures recognised in course of its construction/Land and buildings [member] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c2 | Property, plant and equipment, expenditures recognised in course of its construction/Land [member] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c3 | Property, plant and equipment, expenditures recognised in course of its construction/Buildings [member] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c4 | Property, plant and equipment, expenditures recognised in course of its construction/Machinery [member] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c5 | Property, plant and equipment, expenditures recognised in course of its construction/Vehicles [member] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c6 | Property, plant and equipment, expenditures recognised in course of its construction/Fixtures and fittings [member] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c7 | Property, plant and equipment, expenditures recognised in course of its construction/Office equipment [member] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c8 | Property, plant and equipment, expenditures recognised in course of its construction/Computer equipment [member] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c9 | Property, plant and equipment, expenditures recognised in course of its construction/Communication and network equipment [member] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c10 | Property, plant and equipment, expenditures recognised in course of its construction/Construction in progress [member] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c11 | Property, plant and equipment, expenditures recognised in course of its construction/Información complementaria [miembro] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c12 | Property, plant and equipment, expenditures recognised in course of its construction/Plantas [miembro] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c13 | Property, plant and equipment, expenditures recognised in course of its construction/Ductos [miembro] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c14 | Property, plant and equipment, expenditures recognised in course of its construction/Vías [miembro] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c15 | Property, plant and equipment, expenditures recognised in course of its construction/Redes y Cables [miembro] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c16 | Property, plant and equipment, expenditures recognised in course of its construction/Relleno sanitario [miembro] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c17 | Property, plant and equipment, expenditures recognised in course of its construction/Other property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentExpendituresRecognisedForConstructions | xbrli:monetaryItemType | instant | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c0 | Property, plant and equipment, temporarily idle/Property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c1 | Property, plant and equipment, temporarily idle/Land and buildings [member] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c2 | Property, plant and equipment, temporarily idle/Land [member] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c3 | Property, plant and equipment, temporarily idle/Buildings [member] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c4 | Property, plant and equipment, temporarily idle/Machinery [member] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c5 | Property, plant and equipment, temporarily idle/Vehicles [member] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c6 | Property, plant and equipment, temporarily idle/Fixtures and fittings [member] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c7 | Property, plant and equipment, temporarily idle/Office equipment [member] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c8 | Property, plant and equipment, temporarily idle/Computer equipment [member] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c9 | Property, plant and equipment, temporarily idle/Communication and network equipment [member] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c10 | Property, plant and equipment, temporarily idle/Construction in progress [member] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c11 | Property, plant and equipment, temporarily idle/Información complementaria [miembro] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c12 | Property, plant and equipment, temporarily idle/Plantas [miembro] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c13 | Property, plant and equipment, temporarily idle/Ductos [miembro] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c14 | Property, plant and equipment, temporarily idle/Vías [miembro] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c15 | Property, plant and equipment, temporarily idle/Redes y Cables [miembro] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c16 | Property, plant and equipment, temporarily idle/Relleno sanitario [miembro] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c17 | Property, plant and equipment, temporarily idle/Other property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle | xbrli:monetaryItemType | instant | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c0 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c1 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Land and buildings [member] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c2 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Land [member] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c3 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Buildings [member] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c4 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Machinery [member] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c5 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Vehicles [member] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c6 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Fixtures and fittings [member] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c7 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Office equipment [member] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c8 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Computer equipment [member] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c9 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Communication and network equipment [member] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c10 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Construction in progress [member] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c11 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Información complementaria [miembro] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c12 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Plantas [miembro] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c13 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Ductos [miembro] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c14 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Vías [miembro] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c15 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Redes y Cables [miembro] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c16 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Relleno sanitario [miembro] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c17 | Property, plant and equipment, gross carrying amount of fully depreciated assets still in use/Other property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated | xbrli:monetaryItemType | instant | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c0 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c1 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Land and buildings [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c2 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Land [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c3 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Buildings [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c4 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Machinery [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c5 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Vehicles [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c6 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Fixtures and fittings [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c7 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Office equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c8 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Computer equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c9 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Communication and network equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c10 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Construction in progress [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c11 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Información complementaria [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c12 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Plantas [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c13 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Ductos [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c14 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Vías [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c15 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Redes y Cables [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c16 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Relleno sanitario [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c17 | Property, plant and equipment, assets retired from active use and not classified as held for sale/Other property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfAssetsRetiredFromActiveUse | xbrli:monetaryItemType | instant | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c0 | Property, plant and equipment, revaluation [abstract]/Property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c1 | Property, plant and equipment, revaluation [abstract]/Land and buildings [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c2 | Property, plant and equipment, revaluation [abstract]/Land [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c3 | Property, plant and equipment, revaluation [abstract]/Buildings [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c4 | Property, plant and equipment, revaluation [abstract]/Machinery [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c5 | Property, plant and equipment, revaluation [abstract]/Vehicles [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c6 | Property, plant and equipment, revaluation [abstract]/Fixtures and fittings [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c7 | Property, plant and equipment, revaluation [abstract]/Office equipment [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c8 | Property, plant and equipment, revaluation [abstract]/Computer equipment [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c9 | Property, plant and equipment, revaluation [abstract]/Communication and network equipment [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c10 | Property, plant and equipment, revaluation [abstract]/Construction in progress [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c11 | Property, plant and equipment, revaluation [abstract]/Información complementaria [miembro] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c12 | Property, plant and equipment, revaluation [abstract]/Plantas [miembro] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c13 | Property, plant and equipment, revaluation [abstract]/Ductos [miembro] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c14 | Property, plant and equipment, revaluation [abstract]/Vías [miembro] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c15 | Property, plant and equipment, revaluation [abstract]/Redes y Cables [miembro] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c16 | Property, plant and equipment, revaluation [abstract]/Relleno sanitario [miembro] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c17 | Property, plant and equipment, revaluation [abstract]/Other property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationAbstract | xbrli:stringItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c0 | Property, plant and equipment, revalued assets/Property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c1 | Property, plant and equipment, revalued assets/Land and buildings [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c2 | Property, plant and equipment, revalued assets/Land [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c3 | Property, plant and equipment, revalued assets/Buildings [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c4 | Property, plant and equipment, revalued assets/Machinery [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c5 | Property, plant and equipment, revalued assets/Vehicles [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c6 | Property, plant and equipment, revalued assets/Fixtures and fittings [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c7 | Property, plant and equipment, revalued assets/Office equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c8 | Property, plant and equipment, revalued assets/Computer equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c9 | Property, plant and equipment, revalued assets/Communication and network equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c10 | Property, plant and equipment, revalued assets/Construction in progress [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c11 | Property, plant and equipment, revalued assets/Información complementaria [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c12 | Property, plant and equipment, revalued assets/Plantas [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c13 | Property, plant and equipment, revalued assets/Ductos [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c14 | Property, plant and equipment, revalued assets/Vías [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c15 | Property, plant and equipment, revalued assets/Redes y Cables [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c16 | Property, plant and equipment, revalued assets/Relleno sanitario [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c17 | Property, plant and equipment, revalued assets/Other property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c0 | Property, plant and equipment, revalued assets, at cost/Property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c1 | Property, plant and equipment, revalued assets, at cost/Land and buildings [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c2 | Property, plant and equipment, revalued assets, at cost/Land [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c3 | Property, plant and equipment, revalued assets, at cost/Buildings [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c4 | Property, plant and equipment, revalued assets, at cost/Machinery [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c5 | Property, plant and equipment, revalued assets, at cost/Vehicles [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c6 | Property, plant and equipment, revalued assets, at cost/Fixtures and fittings [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c7 | Property, plant and equipment, revalued assets, at cost/Office equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c8 | Property, plant and equipment, revalued assets, at cost/Computer equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c9 | Property, plant and equipment, revalued assets, at cost/Communication and network equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c10 | Property, plant and equipment, revalued assets, at cost/Construction in progress [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c11 | Property, plant and equipment, revalued assets, at cost/Información complementaria [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c12 | Property, plant and equipment, revalued assets, at cost/Plantas [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c13 | Property, plant and equipment, revalued assets, at cost/Ductos [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c14 | Property, plant and equipment, revalued assets, at cost/Vías [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c15 | Property, plant and equipment, revalued assets, at cost/Redes y Cables [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c16 | Property, plant and equipment, revalued assets, at cost/Relleno sanitario [miembro] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c17 | Property, plant and equipment, revalued assets, at cost/Other property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets | xbrli:monetaryItemType | instant | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c0 | Property, plant and equipment, revaluation surplus/Property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c1 | Property, plant and equipment, revaluation surplus/Land and buildings [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c2 | Property, plant and equipment, revaluation surplus/Land [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c3 | Property, plant and equipment, revaluation surplus/Buildings [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c4 | Property, plant and equipment, revaluation surplus/Machinery [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c5 | Property, plant and equipment, revaluation surplus/Vehicles [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c6 | Property, plant and equipment, revaluation surplus/Fixtures and fittings [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c7 | Property, plant and equipment, revaluation surplus/Office equipment [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c8 | Property, plant and equipment, revaluation surplus/Computer equipment [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c9 | Property, plant and equipment, revaluation surplus/Communication and network equipment [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c10 | Property, plant and equipment, revaluation surplus/Construction in progress [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c11 | Property, plant and equipment, revaluation surplus/Información complementaria [miembro] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c12 | Property, plant and equipment, revaluation surplus/Plantas [miembro] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c13 | Property, plant and equipment, revaluation surplus/Ductos [miembro] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c14 | Property, plant and equipment, revaluation surplus/Vías [miembro] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c15 | Property, plant and equipment, revaluation surplus/Redes y Cables [miembro] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c16 | Property, plant and equipment, revaluation surplus/Relleno sanitario [miembro] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c17 | Property, plant and equipment, revaluation surplus/Other property, plant and equipment [member] | ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus | xbrli:monetaryItemType | instant | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c0 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Property, plant and equipment [member] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:PropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c1 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Land and buildings [member] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:LandAndBuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c2 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Land [member] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:LandMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c3 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Buildings [member] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:BuildingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c4 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Machinery [member] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:MachineryMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c5 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Vehicles [member] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:VehiclesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c6 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Fixtures and fittings [member] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:FixturesAndFittingsMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c7 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Office equipment [member] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:OfficeEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c8 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Computer equipment [member] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:ComputerEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c9 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Communication and network equipment [member] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:CommunicationAndNetworkEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c10 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Construction in progress [member] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:ConstructionInProgressMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c11 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Información complementaria [miembro] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:InformacionComplementariaMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c12 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Plantas [miembro] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:PlantasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c13 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Ductos [miembro] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:DuctosMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c14 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Vías [miembro] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:ViasMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c15 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Redes y Cables [miembro] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RedesYCablesMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c16 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Relleno sanitario [miembro] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | co-sspd-ef-Grupo1:RellenoSanitarioMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c17 | Description of restrictions on distribution of revaluation surplus to shareholders, property, plant and equipment/Other property, plant and equipment [member] | ifrs-full:DescriptionOfRestrictionsOnDistributionOfRevaluationSurplusToShareholdersPropertyPlantAndEquipment | xbrli:stringItemType | duration | ifrs-full:OtherPropertyPlantAndEquipmentMember | xs:date('2020-01-01')/xs:date('2020-12-31') |
Index
Template
Constraints