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| | concept | ifrs-full:DisclosureOfContingentLiabilitiesLineItems | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilitiesMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DisclosureOfContingentLiabilitiesLineItems | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:LegalProceedingsContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DisclosureOfContingentLiabilitiesLineItems | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OnerousContractsContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DisclosureOfContingentLiabilitiesLineItems | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilityForDecommissioningRestorationAndRehabilitationCostsMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DisclosureOfContingentLiabilitiesLineItems | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OtherEnvironmentRelatedContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DisclosureOfContingentLiabilitiesLineItems | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:TaxContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DisclosureOfContingentLiabilitiesLineItems | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilityArisingFromPostemploymentBenefitObligationsMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DisclosureOfContingentLiabilitiesLineItems | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OtherContingentLiabilitiesMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
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| | concept | ifrs-full:DescriptionOfNatureOfObligationContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilitiesMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DescriptionOfNatureOfObligationContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:LegalProceedingsContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DescriptionOfNatureOfObligationContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OnerousContractsContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DescriptionOfNatureOfObligationContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilityForDecommissioningRestorationAndRehabilitationCostsMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DescriptionOfNatureOfObligationContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OtherEnvironmentRelatedContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DescriptionOfNatureOfObligationContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:TaxContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DescriptionOfNatureOfObligationContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilityArisingFromPostemploymentBenefitObligationsMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:DescriptionOfNatureOfObligationContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OtherContingentLiabilitiesMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
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| | concept | ifrs-full:ExplanationOfFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilitiesMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:LegalProceedingsContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OnerousContractsContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilityForDecommissioningRestorationAndRehabilitationCostsMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OtherEnvironmentRelatedContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:TaxContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilityArisingFromPostemploymentBenefitObligationsMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OtherContingentLiabilitiesMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
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| | concept | co-sspd-ef-Grupo1:EstimatedFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilitiesMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | co-sspd-ef-Grupo1:EstimatedFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:LegalProceedingsContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | co-sspd-ef-Grupo1:EstimatedFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OnerousContractsContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | co-sspd-ef-Grupo1:EstimatedFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilityForDecommissioningRestorationAndRehabilitationCostsMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | co-sspd-ef-Grupo1:EstimatedFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OtherEnvironmentRelatedContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | co-sspd-ef-Grupo1:EstimatedFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:TaxContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | co-sspd-ef-Grupo1:EstimatedFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilityArisingFromPostemploymentBenefitObligationsMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | co-sspd-ef-Grupo1:EstimatedFinancialEffectOfContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OtherContingentLiabilitiesMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
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| | concept | ifrs-full:ExplanationOfPossibilityOfReimbursementContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilitiesMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfPossibilityOfReimbursementContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:LegalProceedingsContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfPossibilityOfReimbursementContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OnerousContractsContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfPossibilityOfReimbursementContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilityForDecommissioningRestorationAndRehabilitationCostsMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfPossibilityOfReimbursementContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OtherEnvironmentRelatedContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfPossibilityOfReimbursementContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:TaxContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfPossibilityOfReimbursementContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilityArisingFromPostemploymentBenefitObligationsMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:ExplanationOfPossibilityOfReimbursementContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OtherContingentLiabilitiesMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
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| | concept | ifrs-full:IndicationOfUncertaintiesOfAmountOrTimingOfOutflowsContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilitiesMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:IndicationOfUncertaintiesOfAmountOrTimingOfOutflowsContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:LegalProceedingsContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:IndicationOfUncertaintiesOfAmountOrTimingOfOutflowsContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OnerousContractsContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:IndicationOfUncertaintiesOfAmountOrTimingOfOutflowsContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilityForDecommissioningRestorationAndRehabilitationCostsMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:IndicationOfUncertaintiesOfAmountOrTimingOfOutflowsContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OtherEnvironmentRelatedContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:IndicationOfUncertaintiesOfAmountOrTimingOfOutflowsContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:TaxContingentLiabilityMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:IndicationOfUncertaintiesOfAmountOrTimingOfOutflowsContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:ContingentLiabilityArisingFromPostemploymentBenefitObligationsMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
| | concept | ifrs-full:IndicationOfUncertaintiesOfAmountOrTimingOfOutflowsContingentLiabilities | y | | ifrs-full:ClassesOfContingentLiabilitiesAxis | ifrs-full:OtherContingentLiabilitiesMember | x | | period | xs:date('2020-01-01')/xs:date('2020-12-31') | z |
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