| r0.c0 | Disclosure of service concession arrangements [text block]/lbl32514 | ifrs-full:DisclosureOfServiceConcessionArrangementsExplanatory | nonnum:textBlockItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c0 | Disclosure of detailed information about service concession arrangements [text block]/lbl32514 | ifrs-full:DisclosureOfDetailedInformationAboutServiceConcessionArrangementsExplanatory | nonnum:textBlockItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c0 | Description of service concession arrangement/lbl32514 | ifrs-full:DescriptionOfServiceConcessionArrangement | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c0 | Explanation of significant terms of service concession arrangement that may affect amount, timing and certainty of future cash flows/lbl32514 | ifrs-full:ExplanationOfSignificantTermsOfServiceConcessionArrangementThatMayAffectAmountTimingAndCertaintyOfFutureCashFlows | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c0 | Explanation of nature and extent of rights to use specified assets/lbl32514 | ifrs-full:ExplanationOfNatureAndExtentOfRightsToUseSpecifiedAssets | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c0 | Explanation of nature and extent of obligations to provide or rights to expect provision of services/lbl32514 | ifrs-full:ExplanationOfNatureAndExtentOfObligationsToProvideOrRightsToExpectProvisionOfServices | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c0 | Explanation of nature and extent of obligations to acquire or build items of property, plant and equipment/lbl32514 | ifrs-full:ExplanationOfNatureAndExtentOfObligationsToAcquireOrBuildItemsOfPropertyPlantAndEquipment | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c0 | Explanation of nature and extent of obligations to deliver or rights to receive specified assets at end of concession period/lbl32514 | ifrs-full:ExplanationOfNatureAndExtentOfObligationsToDeliverOrRightsToReceiveSpecifiedAssetsAtEndOfConcessionPeriod | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c0 | Explanation of nature and extent of renewal and termination options/lbl32514 | ifrs-full:ExplanationOfNatureAndExtentOfRenewalAndTerminationOptions | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c0 | Explanation of nature and extent of other rights and obligations/lbl32514 | ifrs-full:ExplanationOfNatureAndExtentOfOtherRightsAndObligations | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c0 | Description of changes in service concession arrangement/lbl32514 | ifrs-full:DescriptionOfChangesInServiceConcessionArrangement | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c0 | Explanation of how service concession arrangement has been classified/lbl32514 | ifrs-full:ExplanationHowServiceConcessionArrangementHasBeenClassified | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c0 | Revenue recognised on exchanging construction services for financial asset/lbl32514 | ifrs-full:RevenueRecognisedOnExchangingConstructionServicesForFinancialAsset | xbrli:monetaryItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c0 | Revenue recognised on exchanging construction services for intangible asset/lbl32514 | ifrs-full:RevenueRecognisedOnExchangingConstructionServicesForIntangibleAsset | xbrli:monetaryItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c0 | Profit (loss) recognised on exchanging construction services for financial asset/lbl32514 | ifrs-full:ProfitLossRecognisedOnExchangingConstructionServicesForFinancialAsset2011 | xbrli:monetaryItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c0 | Profit (loss) recognised on exchanging construction services for intangible asset/lbl32514 | ifrs-full:ProfitLossRecognisedOnExchangingConstructionServicesForIntangibleAsset2011 | xbrli:monetaryItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |