Atlantica Yield plc (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 000100 - Document - Document and Entity Information Network

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4 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
5 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
6 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
7 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
8 Entity Voluntary Filers Concept (Yes/No) For Period dei:EntityVoluntaryFilers
9 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
10 Entity Shell Company Concept (Yes/No) For Period dei:EntityShellCompany
11 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
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13 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
14 Entity Ex Transition Period Concept (Yes/No) For Period dei:EntityExTransitionPeriod
15 Entity Public Float Concept (Monetary) As Of Credit dei:EntityPublicFloat
16 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
17 Document Type Concept (Submission Type) For Period dei:DocumentType
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20 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
21 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
22 010000 - Statement - Consolidated statements of financial position Network

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25 Assets Abstract ifrs-full:AssetsAbstract
26 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
27 Contracted concessional assets Concept (Monetary) As Of Debit aby:ContractedConcessionalAssets
28 Investments carried under the equity method Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
29 Other receivables accounts Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentReceivables
30 Derivative assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentDerivativeFinancialAssets
31 Financial investments Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssets
32 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
33 Total non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
34 Current assets Abstract ifrs-full:CurrentAssetsAbstract
35 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
36 Trade receivables Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
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38 Clients and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
39 Financial investments Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssets
40 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
41 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
42 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
43 Equity and liabilities Abstract ifrs-full:EquityAndLiabilitiesAbstract
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45 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
46 Parent company reserves Concept (Monetary) As Of Credit aby:ParentCompanyReserves
47 Other reserves Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedges
48 Accumulated currency translation differences Concept (Monetary) As Of Credit ifrs-full:ReserveOfExchangeDifferencesOnTranslation
49 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
50 Non-controlling interest Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
51 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
52 Non-current liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
53 Long-term corporate debt Concept (Monetary) As Of Credit aby:NonCurrentPortionOfCreditFacilitiesNotesAndBondsReceived
54 Borrowings Concept (Monetary) As Of Credit aby:NonCurrentPortionOfNonCurrentProjectBorrowings
55 Notes and bonds Concept (Monetary) As Of Credit aby:NoncurrentPortionOfNoncurrentNotesAndBondsIssued
56 Long-term project debt Concept (Monetary) As Of Credit aby:NoncurrentPortionOfNoncurrentProjectDebt
57 Grants and other liabilities Concept (Monetary) As Of Credit aby:NoncurrentGovernmentGrantsAndOtherNoncurrentFinancialLiabilities
58 Related parties Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayablesToRelatedParties
59 Derivative liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentDerivativeFinancialLiabilities
60 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
61 Total non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
62 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
63 Short-term corporate debt Concept (Monetary) As Of Credit aby:CurrentPortionOfNoncurrentCreditFacilitiesNotesAndBondsReceived
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66 Short-term project debt Concept (Monetary) As Of Credit aby:CurrentProjectDebt
67 Trade payables and other current liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
68 Income and other tax payables Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
69 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
70 Total equity and liabilities Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
71 020000 - Statement - Consolidated income statements Network

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74 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
75 Other operating income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
76 Raw materials and consumables used Concept (Monetary) For Period Debit ifrs-full:RawMaterialsAndConsumablesUsed
77 Employee benefit expenses Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
78 Depreciation, amortization, and impairment charges Concept (Monetary) For Period Debit ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
79 Other operating expenses Concept (Monetary) For Period Debit ifrs-full:OtherExpenseByNature
80 Operating profit Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
81 Financial income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
82 Financial expense Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
83 Net exchange differences Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
84 Other financial income/(expense), net Concept (Monetary) For Period Credit ifrs-full:OtherFinanceIncomeCost
85 Financial expense, net Concept (Monetary) For Period Debit aby:FinancialExpenseIncomeNet
86 Share of profit/(loss) of associates carried under the equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
87 Profit/(loss) before income tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
88 Income tax Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
89 Profit/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
90 Loss/(profit) attributable to non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
91 Profit/(loss) for the year attributable to the Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
92 Weighted average number of ordinary shares outstanding (in shares) Concept (Shares) For Period ifrs-full:WeightedAverageShares
93 Basic and diluted earnings per share (in dollars per share) Concept (Share) For Period ifrs-full:BasicAndDilutedEarningsLossPerShare
94 030000 - Statement - Consolidated statements of comprehensive income Network

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96 Consolidated statements of comprehensive income [Abstract] Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
97 Profit/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
98 Items that may be subject to transfer to income statement Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract
99 Change in fair value of cash flow hedges Concept (Monetary) For Period Credit aby:OtherComprehensiveIncomeBeforeTaxGainsLossesOnCashFlowHedges
100 Currency translation differences Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationBeforeTax
101 Tax effect Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss
102 Net income/(expenses) recognized directly in equity Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax
103 Cash flow hedges Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax
104 Tax effect Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome
105 Transfers to income statement Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
106 Other comprehensive income/(loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
107 Total comprehensive income/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
108 Total comprehensive (income)/loss attributable to non-controlling interest Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
109 Total comprehensive income/(loss) attributable to the Company Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
110 040000 - Statement - Consolidated statements of changes in equity Network

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111 Statement of changes in equity [table] Table

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112 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
113 Equity [member] Member ifrs-full:EquityMember
114 Total Equity Attributable to Company [Member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
115 Share Capital [Member] Member ifrs-full:IssuedCapitalMember
116 Parent Company Reserves [Member] Member aby:ParentCompanyReservesMember
117 Other Reserves [Member] Member ifrs-full:ReserveOfCashFlowHedgesMember
118 Retained Earnings [Member] Member ifrs-full:RetainedEarningsMember
119 Accumulated Currency Translation Differences [Member] Member ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
120 Non-controlling Interest [Member] Member ifrs-full:NoncontrollingInterestsMember
121 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
122 Currently stated [member] Member ifrs-full:RestatedMember
123 Application of New Accounting Standards [Member] Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
124 Restatement [Member] Member srt:RestatementAdjustmentMember
125 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
126 Balance, beginning of period Concept (Monetary) As Of Credit ifrs-full:Equity
127 Profit/(loss) for the year after taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
128 Change in fair value of cash flow hedges Concept (Monetary) For Period Credit aby:IncreaseDecreaseInFairValueOfCashFlowHedges
129 Currency translation differences Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationBeforeTax
130 Tax effect Concept (Monetary) For Period Debit aby:IncomeTaxRelatingToIncreaseDecreaseInFairValueOfCashFlowHedges
131 Other comprehensive income/(loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
132 Total comprehensive income/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
133 Acquisition of non-controlling interest in Solacor 1&2 Concept (Monetary) For Period Debit aby:DecreaseThroughAcquisitionOfNoncontrollingInterestOfSubsidiaryEquity
134 Asset acquisition (Seville PV) Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
135 Dividend distribution Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
136 Capital increase Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherContributionsByOwners
137 Balance, end of period Concept (Monetary) As Of Credit ifrs-full:Equity
138 050000 - Statement - Consolidated cash flow statements Network

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139 Implied Table Table

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140 Consolidated cash flow statements [Abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
141 I. Profit/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
142 Non-monetary adjustments Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
143 Depreciation, amortization and impairment charges Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
144 Financial (income)/expenses Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForFinanceIncomeCost
145 Fair value (gains)/losses on derivative financial instruments Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives
146 Shares of (profits)/losses from associates Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForUndistributedProfitsOfAssociates
147 Income tax Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidClassifiedAsOperatingActivities
148 Changes in consolidation and other non-monetary items Concept (Monetary) For Period Debit ifrs-full:OtherAdjustmentsToReconcileProfitLoss
149 II. Profit for the year adjusted by non monetary items Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital
150 Variations in working capital Abstract aby:VariationsInWorkingCapitalAbstract
151 Inventories Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
152 Clients and other receivables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables
153 Trade payables and other current liabilities Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
154 Financial investments and other current assets/liabilities Concept (Monetary) For Period Debit aby:AdjustmentsForDecreaseIncreaseInFinancialInvestmentsAndOtherCurrentAssetsLiabilities
155 III. Variations in working capital Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInWorkingCapital
156 Income tax received/(paid) Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
157 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
158 Interest paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
159 A. Net cash provided by/(used in) operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
160 Investments in entities under the equity method Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod
161 Investments in contracted concessional assets Concept (Monetary) For Period Credit ifrs-full:PaymentsForDevelopmentProjectExpenditure
162 Other non-current assets/liabilities Concept (Monetary) For Period Credit aby:PurchaseOfProceedsFromSalesOfOtherNoncurrentFinancialAssetsAndLiabilities
163 (Acquisitions)/sales of subsidiaries and other financial instruments Concept (Monetary) For Period Credit ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
164 B. Net cash (used in)/provided by investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
165 Proceeds from Project & Corporate debt Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
166 Repayment of Project & Corporate debt Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
167 Dividends paid to Company's shareholders Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities
168 Purchase of shares to non-controlling interests Concept (Monetary) For Period Credit aby:PaymentsForPurchaseOfNoncontrollingInterests
169 C. Net cash provided by/(used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
170 Net increase/(decrease) in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
171 Cash, cash equivalents and bank overdrafts at beginning of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
172 Translation differences cash or cash equivalent Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
173 Cash and cash equivalents at the end of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
174 050100 - Statement - Consolidated cash flow statements (Parenthetical) Network

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175 Implied Table Table

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176 Consolidated cash flow statements [Abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
177 Proceeds from investments in contracted concessional assets Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
178 Purchase of investments in contracted concessional assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
179 060100 - Disclosure - Nature of the business Network

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182 Nature of the business Concept (Text Block (HTML)) For Period aby:DisclosureOfNatureOfBusinessExplanatoryTextBlock
183 060200 - Disclosure - Significant accounting policies Network

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184 Implied Table Table

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185 Significant accounting policies [Abstract] Abstract ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract
186 Significant accounting policies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
187 060300 - Disclosure - Financial risk management Network

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191 060400 - Disclosure - Financial information by segment Network

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195 060500 - Disclosure - Changes in the scope of the consolidated financial statements Network

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199 060600 - Disclosure - Contracted concessional assets Network

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203 060700 - Disclosure - Investments carried under the equity method Network

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207 060800 - Disclosure - Financial instruments by category Network

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211 060900 - Disclosure - Derivative financial instruments Network

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214 Derivative financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDerivativeFinancialInstrumentsExplanatory
215 061000 - Disclosure - Related parties Network

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219 061100 - Disclosure - Clients and other receivable Network

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223 061200 - Disclosure - Cash and cash equivalents Network

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226 Cash and cash equivalents Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
227 061300 - Disclosure - Equity Network

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230 Equity Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIssuedCapitalExplanatory
231 061400 - Disclosure - Corporate debt Network

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235 061500 - Disclosure - Project debt Network

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239 061600 - Disclosure - Grants and other liabilities Network

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243 061700 - Disclosure - Trade payables and other current liabilities Network

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247 061800 - Disclosure - Income Tax Network

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251 061900 - Disclosure - Third-party guarantees and commitments Network

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255 062000 - Disclosure - Other operating income and expenses Network

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259 062100 - Disclosure - Financial income and expenses Network

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263 062200 - Disclosure - Earnings per share Network

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267 062300 - Disclosure - Other information Network

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271 062400 - Schedule - Schedule I, Condensed Financial Statements Network

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275 070200 - Disclosure - Significant accounting policies (Policies) Network

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279 Principles to include and record companies in the consolidated financial statements Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociates
280 Contracted concessional assets and price purchase agreements Concept (Text Block (HTML)) For Period aby:DescriptionOfAccountingPolicyForContractedConcessionalAssetsAndPricePurchaseAgreementsExplanatoryTextBlock
281 Borrowing costs Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBorrowingCostsExplanatory
282 Asset impairment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory
283 Loans and accounts receivable Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLoansAndReceivablesExplanatory
284 Derivative financial instruments and hedging activities Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory
285 Fair value estimates Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory
286 Clients and other receivables Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory
287 Cash and cash equivalents Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents
288 Grants Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForGovernmentGrants
289 Loans and borrowings Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBorrowingsExplanatory
290 Bonds and notes Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForHeldtomaturityInvestmentsExplanatory
291 Income taxes Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
292 Trade payables and other liabilities Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory
293 Foreign currency transactions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
294 Equity Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIssuedCapitalExplanatory
295 Provisions and contingencies Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory
296 Use of estimates Concept (Text Block (HTML)) For Period aby:DescriptionOfAccountingPolicyForUseOfEstimatesPolicyTextBlock
297 080100 - Disclosure - Nature of the business (Tables) Network

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 http://atlanticayield.com/role/NatureOfBusinessTables
298 Implied Table Table

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299 Nature of the business [Abstract] Abstract aby:NatureOfTheBusinessAbstract
300 Overview of concessional assets Concept (Text Block (HTML)) For Period aby:DisclosureOfConcessionalAssetsOwnedExplanatoryTableTextBlock
301 080200 - Disclosure - Significant accounting policies (Tables) Network

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 http://atlanticayield.com/role/SignificantAccountingPoliciesTables
302 Implied Table Table

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 implied:Table
303 Significant accounting policies [Abstract] Abstract ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract
304 Summary of adjustments arising from application of IFRS 9 and IFRS 16 Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations
305 Discount rates and growth rates used to calculated recoverable amount for CGUs by segment Concept (Text Block (HTML)) For Period aby:DisclosureOfInformationToCalculateRecoverableAmountForCashGeneratingUnitsTableTextBlock
306 080400 - Disclosure - Financial information by segment (Tables) Network

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 http://atlanticayield.com/role/FinancialInformationBySegmentTables
307 Implied Table Table

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 implied:Table
308 Financial information by segment [Abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
309 Revenues and Further Adjusted EBITDA, assets and liabilities by operating segments and business sectors Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
310 Assets and liabilities by geography Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeographicalAreasExplanatory
311 Assets and liabilities by business sectors Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfProductsAndServicesExplanatory
312 Depreciation, amortization and impairment charges recognized Concept (Text Block (HTML)) For Period aby:DisclosureOfDepreciationAmortizationAndImpairmentChargesRecognizedExplanatoryTableTextBlock
313 080500 - Disclosure - Changes in the scope of the consolidated financial statements (Tables) Network

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 http://atlanticayield.com/role/ChangesInScopeOfConsolidatedFinancialStatementsTables
314 Implied Table Table

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 implied:Table
315 Changes in the scope of the consolidated financial statements [Abstract] Abstract aby:ChangesInTheScopeOfTheConsolidatedFinancialStatementsAbstract
316 Amount of assets and liabilities integrated at the effective acquisition date Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationExplanatory
317 080600 - Disclosure - Contracted concessional assets (Tables) Network

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 http://atlanticayield.com/role/ContractedConcessionalAssetsTables
318 Implied Table Table

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 implied:Table
319 Contracted concessional assets [Abstract] Abstract aby:ContractedConcessionalAssetsAbstract
320 Movements of contracted concessional assets Concept (Text Block (HTML)) For Period aby:DisclosureOfDetailedInformationAboutContractedConcessionalAssetsTextBlock
321 080700 - Disclosure - Investments carried under the equity method (Tables) Network

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 http://atlanticayield.com/role/InvestmentsCarriedUnderEquityMethodTables
322 Implied Table Table

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 implied:Table
323 Investments carried under the equity method [Abstract] Abstract aby:InvestmentsCarriedUnderTheEquityMethodAbstract
324 Investments in associates Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInAssociatesExplanatory
325 Stand-alone amounts for associated companies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesExplanatory
326 080800 - Disclosure - Financial instruments by category (Tables) Network

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 http://atlanticayield.com/role/FinancialInstrumentsByCategoryTables
327 Implied Table Table

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 implied:Table
328 Financial instruments by category [Abstract] Abstract aby:FinancialInstrumentsByCategoryAbstract
329 Financial assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialAssetsExplanatory
330 Financial liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory
331 080900 - Disclosure - Derivative financial instruments (Tables) Network

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 http://atlanticayield.com/role/DerivativeFinancialInstrumentsTables
332 Implied Table Table

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 implied:Table
333 Derivative financial instruments [Abstract] Abstract aby:DerivativeFinancialInstrumentsAbstract
334 Fair value amount of derivative financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory
335 Maturities of notional and fair value amounts of interest rate derivatives designated as cash flow hedges Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsExplanatory
336 081000 - Disclosure - Related parties (Tables) Network

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 http://atlanticayield.com/role/RelatedPartiesTables
337 Implied Table Table

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 implied:Table
338 Related parties [Abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
339 Related party receivables and payables Concept (Text Block (HTML)) For Period aby:DisclosureOfReceivableAndPayableBalancesWithRelatedPartiesExplanatoryTableTextBlock
340 Related party transactions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
341 081100 - Disclosure - Clients and other receivable (Tables) Network

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 http://atlanticayield.com/role/ClientsAndOtherReceivableTables
342 Implied Table Table

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 implied:Table
343 Clients and other receivable [Abstract] Abstract aby:ClientsAndOtherReceivableAbstract
344 Clients and other receivable Concept (Text Block (HTML)) For Period aby:DisclosureOfDetailedInformationAboutClientsAndOtherReceivablesExplanatoryTableTextBlock
345 Trade receivables in foreign currency Concept (Text Block (HTML)) For Period aby:DisclosureOfDetailedInformationAboutTradeReceivablesByForeignCurrencyExplanatoryTableTextBlock
346 Maturity of trade receivables Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateExplanatory
347 081200 - Disclosure - Cash and cash equivalents (Tables) Network

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 http://atlanticayield.com/role/CashAndCashEquivalentsTables
348 Implied Table Table

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*

 implied:Table
349 Cash and cash equivalents [Abstract] Abstract ifrs-full:CashAndCashEquivalentsAbstract
350 Cash and cash equivalents Concept (Text Block (HTML)) For Period aby:DisclosureOfDetailedInformationAboutCashAndCashEquivalentsExplanatoryTableTextBlock
351 081400 - Disclosure - Corporate debt (Tables) Network

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 http://atlanticayield.com/role/CorporateDebtTables
352 Implied Table Table

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 implied:Table
353 Corporate debt [Abstract] Abstract aby:CorporateDebtAbstract
354 Corporate debt Concept (Text Block (HTML)) For Period aby:DisclosureOfDetailedInformationAboutCorporateDebtExplanatoryTableTextBlock
355 Repayment schedule for corporate debt Concept (Text Block (HTML)) For Period aby:DisclosureOfMaturityAnalysisForCorporateDebtExplanatoryTableTextBlock
356 Movement in corporate debt Concept (Text Block (HTML)) For Period aby:DisclosureOfMovementInCorporateDebtTableTextBlock
357 081500 - Disclosure - Project debt (Tables) Network

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 http://atlanticayield.com/role/ProjectDebtTables
358 Implied Table Table

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 implied:Table
359 Project debt [Abstract] Abstract aby:ProjectDebtAbstract
360 Project debt Concept (Text Block (HTML)) For Period aby:DisclosureOfDetailedInformationAboutProjectDebtExplanatoryTableTextBlock
361 Repayment schedule for project debt Concept (Text Block (HTML)) For Period aby:DisclosureOfMaturityAnalysisForProjectDebtExplanatoryTableTextBlock
362 Movement in project debt Concept (Text Block (HTML)) For Period aby:DisclosureOfMovementInProjectDebtTableTextBlock
363 Foreign currency-denominated project debt Concept (Text Block (HTML)) For Period aby:DisclosureOfDetailedInformationAboutForeignCurrencyDenominatedProjectExplanatoryDebtTableTextBlock
364 081600 - Disclosure - Grants and other liabilities (Tables) Network

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*

 http://atlanticayield.com/role/GrantsAndOtherLiabilitiesTables
365 Implied Table Table

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*

 implied:Table
366 Grants and other liabilities [Abstract] Abstract aby:GrantsAndOtherLiabilitiesAbstract
367 Grants and other non-current liabilities Concept (Text Block (HTML)) For Period aby:DisclosureOfDetailedInformationAboutGovernmentGrantsAndOtherLiabilitiesExplanatoryTableTextBlock
368 081700 - Disclosure - Trade payables and other current liabilities (Tables) Network

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*

 http://atlanticayield.com/role/TradePayablesAndOtherCurrentLiabilitiesTables
369 Implied Table Table

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 implied:Table
370 Trade payables and other current liabilities [Abstract] Abstract aby:TradePayablesAndOtherCurrentLiabilitiesAbstract
371 Trade payable and other current liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
372 081800 - Disclosure - Income Tax (Tables) Network

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 http://atlanticayield.com/role/IncomeTaxTables
373 Implied Table Table

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 implied:Table
374 Income Tax [Abstract] Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
375 Analysis of deferred tax assets and liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
376 Movements in deferred tax assets and liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
377 Income tax benefit/(expense) Concept (Text Block (HTML)) For Period aby:DisclosureOfDetailedInformationAboutIncomeTaxBenefitExpenseExplanatoryTableTextBlock
378 Effective income tax rate reconciliation Concept (Text Block (HTML)) For Period aby:DisclosureOfDetailedInformationAboutEffectiveIncomeTaxRateReconciliationExplanatoryTableTextBlock
379 081900 - Disclosure - Third-party guarantees and commitments (Tables) Network

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*

 http://atlanticayield.com/role/ThirdpartyGuaranteesAndCommitmentsTables
380 Implied Table Table

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 implied:Table
381 Third-party guarantees and commitments [Abstract] Abstract aby:ThirdPartyGuaranteesAndCommitmentsAbstract
382 Contractual obligations Concept (Text Block (HTML)) For Period aby:DisclosureOfDetailedInformationAboutContractualObligationsTableTextBlock
383 082000 - Disclosure - Other operating income and expenses (Tables) Network

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*

 http://atlanticayield.com/role/OtherOperatingIncomeAndExpensesTables
384 Implied Table Table

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 implied:Table
385 Other operating income and expenses [Abstract] Abstract aby:OtherOperatingIncomeAndExpensesAbstract
386 Other operating income Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherOperatingIncomeExplanatory
387 Other operating expenses Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory
388 082100 - Disclosure - Financial income and expenses (Tables) Network

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*

 http://atlanticayield.com/role/FinancialIncomeAndExpensesTables
389 Implied Table Table

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 implied:Table
390 Financial income and expenses [Abstract] Abstract aby:FinancialIncomeAndExpensesAbstract
391 Financial income Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceIncomeExplanatory
392 Financial expenses Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceCostExplanatory
393 Other net financial income and expenses Concept (Text Block (HTML)) For Period aby:DisclosureOfDetailedInformationAboutOtherFinanceIncomeCostsExplanatoryTableTextBlock
394 082200 - Disclosure - Earnings per share (Tables) Network

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*

 http://atlanticayield.com/role/EarningsPerShareTables
395 Implied Table Table

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*

 implied:Table
396 Earnings per share [Abstract] Abstract ifrs-full:EarningsPerShareAbstract
397 Earnings per share Concept (Text Block (HTML)) For Period ifrs-full:EarningsPerShareExplanatory
398 090100 - Disclosure - Nature of the business, Description (Details) Network

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 http://atlanticayield.com/role/NatureOfBusinessDescriptionDetails
399 Disclosure of classes of share capital [table] Table

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*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
400 Legal Entity [Axis] Axis dei:LegalEntityAxis
401 Entity [Domain] Member dei:EntityDomain
402 Algonquin [Member] Member aby:AlgonquinMember
403 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
404 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
405 Subsidiary of Abengoa [Member] Member ifrs-full:SubsidiariesMember
406 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
407 Nature of the business [Abstract] Abstract aby:NatureOfTheBusinessDisclosureAbstract
408 Ownership interest Concept (Percent) For Period aby:ProportionOfOwnershipInterestsHeldByNoncontrollingInterestsInReportingEntity
409 Percentage of non-controlling interests Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
410 090102 - Disclosure - Nature of the business, Assets acquired (Details) Network

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*

 http://atlanticayield.com/role/NatureOfBusinessAssetsAcquiredDetails
411 Disclosure of detailed information about business combination [table] Table

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*

 ifrs-full:DisclosureOfBusinessCombinationsTable
412 Legal Entity [Axis] Axis dei:LegalEntityAxis
413 Entity [Domain] Member dei:EntityDomain
414 JGC [Member] Member aby:JGCCorporationMember
415 PTS [Member] Member aby:PemexTransportationSystemMember
416 Intangible assets material to entity [axis] Axis ifrs-full:IntangibleAssetsMaterialToEntityAxis
417 Intangible assets material to entity [member] Member ifrs-full:IntangibleAssetsMaterialToEntityMember
418 Mini- Hydro [Member] Member aby:Mini-HydroMember
419 Melowind [Member] Member aby:MelowindMember
420 Solacor 1/2 [Member] Member aby:Solacor1AndSolacor2Member
421 Seville PV [Member] Member aby:SevillePVMember
422 Types of financial assets [axis] Axis ifrs-full:TypesOfFinancialAssetsAxis
423 Financial assets, type [member] Member ifrs-full:FinancialAssetsTypeMember
424 Chile TL3 [Member] Member aby:ChileTL3Member
425 ATN [Member] Member aby:ATNMember
426 Disclosure of detailed information about business combination [line items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
427 Nature of the business [Abstract] Abstract aby:NatureOfTheBusinessDisclosureAbstract
428 Percentage interest acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
429 Gross capacity Concept (Integer) For Period aby:Capacity
430 Length of transmission lines Concept (num:lengthItemType) For Period aby:LengthOfTransmissionLines
431 Acquisition purchase price Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
432 Ownership interest Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
433 090104 - Disclosure - Nature of the business, Concessional assets owned (Details) Network

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 http://atlanticayield.com/role/NatureOfBusinessConcessionalAssetsOwnedDetails
434 Disclosure of detailed information about business combination [table] Table

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*

 ifrs-full:DisclosureOfBusinessCombinationsTable
435 Intangible assets material to entity [axis] Axis ifrs-full:IntangibleAssetsMaterialToEntityAxis
436 Intangible assets material to entity [member] Member ifrs-full:IntangibleAssetsMaterialToEntityMember
437 Solana [Member] Member aby:SolanaMember
438 Mojave [Member] Member aby:MojaveMember
439 Solaben 2 & 3 [Member] Member aby:Solaben2AndSolaben3Member
440 Solaben 2 [Member] Member aby:Solaben2Member
441 Solaben 3 [Member] Member aby:Solaben3Member
442 Solacor 1 & 2 [Member] Member aby:Solacor1AndSolacor2Member
443 Solacor 1 [Member] Member aby:Solacor1Member
444 Solacor 2 [Member] Member aby:Solacor2Member
445 Helioenergy 1 & 2 [Member] Member aby:Helioenergy1And2Member
446 Helioenergy 1 [Member] Member aby:Helioenergy1Member
447 Helioenergy 2 [Member] Member aby:Helioenergy2Member
448 Helios 1 & 2 [Member] Member aby:Helios1And2Member
449 Helios 1 [Member] Member aby:Helios1Member
450 Helios 2 [Member] Member aby:Helios2Member
451 Solnova 1, 3 & 4 [Member] Member aby:Solnova13And4Member
452 Solnova 1 [Member] Member aby:Solnova1Member
453 Solnova 3 [Member] Member aby:Solnova3Member
454 Solnova 4 [Member] Member aby:Solnova4Member
455 Solaben 1 & 6 [Member] Member aby:Solaben1And6Member
456 Solaben 1 [Member] Member aby:Solaben1Member
457 Solaben 6 [Member] Member aby:Solaben6Member
458 Kaxu [Member] Member aby:KaxuMember
459 Palmatir [Member] Member aby:PalmatirMember
460 Cadonal [Member] Member aby:CadonalMember
461 Seville PV [Member] Member aby:SevillePVMember
462 Melowind [Member] Member aby:MelowindMember
463 Mini-Hydro [Member] Member aby:MiniHydroMember
464 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
465 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
466 PS10/PS20 [Member] Member aby:PS10AndPS20Member
467 PS10 [Member] Member aby:PS10Member
468 PS20 [Member] Member aby:PS20Member
469 Types of financial assets [axis] Axis ifrs-full:TypesOfFinancialAssetsAxis
470 Financial assets, type [member] Member ifrs-full:FinancialAssetsTypeMember
471 ACT [Member] Member aby:ACTMember
472 ATN [Member] Member aby:ATNMember
473 ATS [Member] Member aby:ATSMember
474 ATN2 [Member] Member aby:ATN2ConcessionalAssetMember
475 Quadra 1 [Member] Member aby:Quadra1Member
476 Quadra 2 [Member] Member aby:Quadra2Member
477 Palmucho [Member] Member aby:PalmuchoMember
478 Chile TL3 [Member] Member aby:ChileTL3Member
479 Skikda [Member] Member aby:SkikdaMember
480 Honaine [Member] Member aby:HonaineMember
481 Legal Entity [Axis] Axis dei:LegalEntityAxis
482 Entity [Domain] Member dei:EntityDomain
483 Liberty Interactive Corporation [Member] Member aby:LibertyInteractiveCorporationMember
484 Itochu Corporation [Member] Member aby:ItochuCorporationMember
485 JGC [Member] Member aby:JGCCorporationMember
486 IDC [Member] Member aby:IndustrialDevelopmentCorporationOfSouthAfricaMember
487 Kaxu Community Trust [Member] Member aby:KaxuCommunityTrustMember
488 Algerian Energy Company, SPA [Member] Member aby:AlgerianEnergyCompanySPAMember
489 Valoriza Agua, S.L. [Member] Member aby:ValorizaAguaSLMember
490 Idae [Member] Member aby:InstitutoParaLaDiversificacionYAhorroDeLaEnergiaMember
491 Disclosure of detailed information about business combination [line items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
492 Nature of the business [Abstract] Abstract aby:NatureOfTheBusinessDisclosureAbstract
493 Type Concept (Text/String) For Period aby:TypeOfConcessionalAsset
494 Ownership Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
495 Ownership interest type Concept (Text/String) For Period aby:OwnershipInterestType
496 Location Concept (Text/String) For Period aby:LocationOfConcessionalAsset
497 Currency Concept (Text/String) For Period ifrs-full:DescriptionOfFunctionalCurrency
498 Capacity (gross) Concept (Text/String) For Period aby:DescriptionOfGrossCapacity
499 Counterparty credit ratings Concept (Text/String) For Period aby:CounterpartyCreditRatings
500 COD Concept (Text/String) For Period aby:CommercialOperationDate
501 Contract years left Concept (xbrli:durationItemType) For Period aby:RemainingContractTerm
502 Class A membership investment Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentFinancialLiabilities
503 Percentage of non-controlling interests Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
504 090106 - Disclosure - Nature of the business, Financing arrangements (Details) Network

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*

 http://atlanticayield.com/role/NatureOfBusinessFinancingArrangementsDetails
505 Disclosure of detailed information about borrowings [table] Table

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*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
506 Legal Entity [Axis] Axis dei:LegalEntityAxis
507 Entity [Domain] Member dei:EntityDomain
508 Abengoa [Member] Member aby:AbengoaSAMember
509 Algonquin [Member] Member aby:AlgonquinMember
510 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
511 Financing arrangements [Abstract] Abstract aby:FinancingArrangementsAbstract
512 Ownership interest Concept (Percent) For Period aby:ProportionOfOwnershipInterestsHeldByNoncontrollingInterestsInReportingEntity
513 Minimum ownership requirement percentage Concept (Percent) For Period aby:MinimumOwnershipRequirementPercentage
514 Stake in parent to be sold to Algonquin Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
515 090202 - Disclosure - Significant accounting policies, Lease (Details) Network

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*

 http://atlanticayield.com/role/SignificantAccountingPoliciesLeaseDetails
516 Disclosure of expected impact of initial application of new standards or interpretations [table] Table

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*

 ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable
517 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
518 Currently stated [member] Member ifrs-full:RestatedMember
519 Restated [Member] Member srt:RestatementAdjustmentMember
520 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
521 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
522 Contracted Concessional Assets [Member] Member aby:ContractedConcessionalAssetsMember
523 Deferred Tax Assets [Member] Member aby:DeferredTaxAssetsMember
524 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
525 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
526 Long-term Project Debt [Member] Member aby:LongTermProjectDebtMember
527 Grants and Other Liabilities [Member] Member aby:GrantsAndOtherLiabilitiesMember
528 Deferred Tax Liabilities [Member] Member aby:DeferredTaxLiabilitiesMember
529 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
530 Equity [member] Member ifrs-full:EquityMember
531 Total Equity Attributable to Company [Member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
532 Other Reserves [Member] Member ifrs-full:ReserveOfCashFlowHedgesMember
533 Retained Earnings [Member] Member ifrs-full:RetainedEarningsMember
534 Disclosure of expected impact of initial application of new standards or interpretations [line items] LineItems ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
535 Disclosure of expected impact of initial application of new standards or interpretations [abstract] Abstract ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsAbstract
536 Contracted concessional assets Concept (Monetary) As Of Debit aby:ContractedConcessionalAssets
537 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
538 Long- term project debt Concept (Monetary) As Of Credit aby:NoncurrentPortionOfNoncurrentProjectDebt
539 Grants and other liabilities Concept (Monetary) As Of Credit aby:NoncurrentGovernmentGrantsAndOtherNoncurrentFinancialLiabilities
540 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
541 Other Reserves Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedges
542 Retained Earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
543 IFRS 9 Adjustments, expected credit losses Concept (Monetary) As Of Credit aby:FinancialAssetsExpectedCreditLossesInitialApplicationOfIFRS9
544 IFRS 9 Adjustments, modifications of financial liabilities Concept (Monetary) As Of Credit aby:ModificationsOfFinancialAssetsAndFinancialLiabilitiesInitialApplicationOfIFRS9
545 IFRS 9 Adjustments, hedge accounting Concept (Monetary) As Of Credit aby:HedgeAccountingInitialApplicationOfIFRS9
546 IFRS 16 adjustments Concept (Monetary) As Of Debit aby:FinancialAssetsAndFinancialLiabilitiesAdjustmentsInitialApplicationOfIFRS16
547 Financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
548 090204 - Disclosure - Significant accounting policies, Asset impairment (Details) Network

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 http://atlanticayield.com/role/SignificantAccountingPoliciesAssetImpairmentDetails
549 Disclosure of information for cash-generating units [table] Table

*

*

 ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable
550 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
551 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
552 Operating Segment [Member] Member ifrs-full:OperatingSegmentsMember
553 EMEA [Member] Member us-gaap:EMEAMember
554 North America [Member] Member srt:NorthAmericaMember
555 South America [Member] Member srt:SouthAmericaMember
556 Range [axis] Axis ifrs-full:RangeAxis
557 Ranges [member] Member ifrs-full:RangesMember
558 Bottom of Range [Member] Member ifrs-full:BottomOfRangeMember
559 Top of Range [Member] Member ifrs-full:TopOfRangeMember
560 Disclosure of information for cash-generating units [line items] LineItems ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems
561 Cash-generating units [Abstract] Abstract ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAbstract
562 Discount rate Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
563 Growth rate Concept (Percent) As Of ifrs-full:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
564 090300 - Disclosure - Financial risk management (Details) Network

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*

 http://atlanticayield.com/role/FinancialRiskManagementDetails
565 Disclosure of risk management strategy related to hedge accounting [table] Table

*

*

 ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable
566 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
567 Risks [member] Member ifrs-full:TypesOfRisksMember
568 Interest Rate Risk [Member] Member ifrs-full:InterestRateRiskMember
569 Currency Risk [Member] Member ifrs-full:CurrencyRiskMember
570 Currency [Axis] Axis srt:CurrencyAxis
571 All Currencies [Domain] Member currency:AllCurrenciesDomain
572 Euros [Member] Member currency:EUR
573 U.S. Dollars [Member] Member currency:USN
574 Range [axis] Axis ifrs-full:RangeAxis
575 Ranges [member] Member ifrs-full:RangesMember
576 Bottom of Range [Member] Member ifrs-full:BottomOfRangeMember
577 Top of Range [Member] Member ifrs-full:TopOfRangeMember
578 Disclosure of risk management strategy related to hedge accounting [line items] LineItems ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
579 Financial risk management [Abstract] Abstract aby:FinancialRiskManagementMarketRiskAbstract
580 Percentage of notional amount of debt hedged Concept (Percent) For Period aby:PercentageOfNotionalAmountOfDebtHedged
581 Maturity date Concept (Text/String) For Period ifrs-full:BorrowingsMaturity
582 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
583 Forecasted increase in benchmark interest rate Concept (Percent) As Of aby:ForecastedIncreaseDecreaseInBenchmarkInterestRate
584 Forecasted loss on cash flow hedges due to increase in benchmark interest rate Concept (Monetary) For Period Credit aby:ForecastedGainLossOnCashFlowHedgesDueToChangeInBenchmarkInterestRate
585 Forecasted increase in hedging reserves due to increase in benchmark interest rate Concept (Monetary) For Period Credit aby:ForecastedIncreaseDecreaseInHedgingReservesDueToChangeInBenchmarkInterestRate
586 Net Euro exposure percentage for next fiscal year Concept (Percent) For Period aby:NetValueExposurePercentageForNextTwelveMonths
587 Net Euro exposure percentage for following fiscal period Concept (Percent) For Period aby:NetValueExposurePercentageYearTwo
588 090400 - Disclosure - Financial information by segment, Business sectors (Details) Network

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*

 http://atlanticayield.com/role/FinancialInformationBySegmentBusinessSectorsDetails
589 Disclosure of operating segments [table] Table

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*

 ifrs-full:DisclosureOfOperatingSegmentsTable
590 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
591 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
592 United States [Member] Member country:US
593 Spain [Member] Member country:ES
594 South Africa [Member] Member country:ZA
595 Uruguay [Member] Member country:UY
596 Mexico [Member] Member country:MX
597 Peru [Member] Member country:PE
598 Chile [Member] Member country:CL
599 Algeria [Member] Member country:DZ
600 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
601 Products and services [member] Member ifrs-full:ProductsAndServicesMember
602 Renewable Energy [Member] Member aby:RenewableEnergyMember
603 Efficient Natural Gas [Member] Member aby:EfficientNaturalGasMember
604 Electric Transmission Lines [Member] Member aby:ElectricTransmissionLinesMember
605 Water [Member] Member aby:WaterMember
606 Intangible assets material to entity [axis] Axis ifrs-full:IntangibleAssetsMaterialToEntityAxis
607 Intangible assets material to entity [member] Member ifrs-full:IntangibleAssetsMaterialToEntityMember
608 Solana [Member] Member aby:SolanaMember
609 Mojave [Member] Member aby:MojaveMember
610 Solacor 1 and Solacor 2 [Member] Member aby:Solacor1AndSolacor2Member
611 Solaben 2 and 3 [Member] Member aby:Solaben2AndSolaben3Member
612 Helioenergy 1 and 2 [Member] Member aby:Helioenergy1And2Member
613 Helios 1 and 2 [Member] Member aby:Helios1And2Member
614 Solnova 1, 3 and 4 [Member] Member aby:Solnova13And4Member
615 Solaben 1 and 6 [Member] Member aby:Solaben1And6Member
616 Seville PV [Member] Member aby:SevillePVMember
617 Kaxu [Member] Member aby:KaxuMember
618 Palmatir [Member] Member aby:PalmatirMember
619 Cadonal [Member] Member aby:CadonalMember
620 Melowind [Member] Member aby:MelowindMember
621 Peru [Member] Member country:PE
622 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
623 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
624 PS10/PS20 [Member] Member aby:PS10AndPS20Member
625 Types of financial assets [axis] Axis ifrs-full:TypesOfFinancialAssetsAxis
626 Financial assets, type [member] Member ifrs-full:FinancialAssetsTypeMember
627 ACT [Member] Member aby:ACTMember
628 ATN, ATS and ATN2 [Member] Member aby:ATNATSAndATN2Member
629 Quadra 1, Quadra 2, Palmucho and Chile TL3 [Member] Member aby:Quadra1Quadra2PalmuchoAndChileTL3Member
630 Honaine and Skikda [Member] Member aby:HonaineAndSkikdaMember
631 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
632 Financial information by segment [Abstract] Abstract aby:SegmentInformationAbstract
633 Number of contracted assets Concept (Integer) For Period aby:NumberOfContractedConcessionalAssets
634 Gross capacity Concept (Integer) For Period aby:Capacity
635 Term of take-or-pay contract Concept (xbrli:durationItemType) For Period aby:TakeOrPayContractTerm
636 Length of transmission lines Concept (num:lengthItemType) For Period aby:LengthOfTransmissionLines
637 Aggregate capacity Concept (us-types:flowItemType) For Period aby:FlowCapacity
638 090402 - Disclosure - Financial information by segment, Revenues and Further Adjusted EBITDA (Details) Network

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 http://atlanticayield.com/role/FinancialInformationBySegmentRevenuesAndFurtherAdjustedEbitdaDetails
639 Disclosure of operating segments [table] Table

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*

 ifrs-full:DisclosureOfOperatingSegmentsTable
640 Geographical [Axis] Axis srt:StatementGeographicalAxis
641 Geographical [Domain] Member srt:SegmentGeographicalDomain
642 North America [Member] Member srt:NorthAmericaMember
643 South America [Member] Member srt:SouthAmericaMember
644 EMEA [Member] Member us-gaap:EMEAMember
645 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
646 Products and services [member] Member ifrs-full:ProductsAndServicesMember
647 Renewable Energy [Member] Member aby:RenewableEnergyMember
648 Efficient Natural Gas [Member] Member aby:EfficientNaturalGasMember
649 Electric Transmission Lines [Member] Member aby:ElectricTransmissionLinesMember
650 Water [Member] Member aby:WaterMember
651 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
652 Financial information by segment [Abstract] Abstract aby:SegmentInformationAbstract
653 Number of customers representing more than 10% of total revenues Concept (Integer) For Period aby:NumberOfSignificantCustomers
654 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
655 Further Adjusted EBITDA Concept (Monetary) For Period Credit aby:FurtherAdjustedEBITDA
656 090404 - Disclosure - Financial information by segment, Reconciliation of segment Further Adjusted EBITDA (Details) Network

*

*

 http://atlanticayield.com/role/FinancialInformationBySegmentReconciliationOfSegmentFurtherAdjustedEbitdaDetails
657 Disclosure of operating segments [table] Table

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*

 ifrs-full:DisclosureOfOperatingSegmentsTable
658 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
659 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
660 Reconciling Item [Member] Member ifrs-full:MaterialReconcilingItemsMember
661 Allocated [Member] Member ifrs-full:OperatingSegmentsMember
662 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
663 Financial information by segment [Abstract] Abstract aby:SegmentInformationAbstract
664 Profit/(Loss) attributable to the Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
665 Profit attributable to non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
666 Income tax Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
667 Share of profits/(losses) of associates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
668 Dividend from exchangeable preferred equity investment in ACBH (Note 21) Concept (Monetary) For Period Credit aby:DividendIncomeCompensationPreferredEquityInvestment
669 Financial expense, net Concept (Monetary) For Period Debit aby:FinancialExpenseIncomeNet
670 Depreciation, amortization, and impairment charges Concept (Monetary) For Period Debit ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
671 Total segment Further Adjusted EBITDA Concept (Monetary) For Period Credit aby:FurtherAdjustedEBITDA
672 090406 - Disclosure - Financial information by segment, Assets and liabilities by geography (Details) Network

*

*

 http://atlanticayield.com/role/FinancialInformationBySegmentAssetsAndLiabilitiesByGeographyDetails
673 Disclosure of operating segments [table] Table

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*

 ifrs-full:DisclosureOfOperatingSegmentsTable
674 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
675 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
676 Allocated [Member] Member ifrs-full:OperatingSegmentsMember
677 Unallocated [Member] Member ifrs-full:UnallocatedAmountsMember
678 Geographical [Axis] Axis srt:StatementGeographicalAxis
679 Geographical [Domain] Member srt:SegmentGeographicalDomain
680 North America [Member] Member srt:NorthAmericaMember
681 South America [Member] Member srt:SouthAmericaMember
682 EMEA [Member] Member us-gaap:EMEAMember
683 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
684 Assets allocated [Abstract] Abstract ifrs-full:AssetsAbstract
685 Contracted concessional assets Concept (Monetary) As Of Debit aby:ContractedConcessionalAssets
686 Investments carried under the equity method Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
687 Current financial investments Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssets
688 Cash and cash equivalents (project companies) Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
689 Other non-current assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
690 Other current assets (including cash and cash equivalents at holding company level) Concept (Monetary) As Of Debit aby:AssetsOtherCurrent
691 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
692 Liabilities allocated [Abstract] Abstract ifrs-full:LiabilitiesAbstract
693 Long-term and short-term project debt Concept (Monetary) As Of Credit aby:LongTermAndShortTermProjectDebt
694 Grants and other liabilities Concept (Monetary) As Of Credit aby:NoncurrentGovernmentGrantsAndOtherNoncurrentFinancialLiabilities
695 Long-term and short-term corporate debt Concept (Monetary) As Of Credit aby:LongTermAndShortTermCorporateDebt
696 Other non-current liabilities Concept (Monetary) As Of Credit aby:LiabilitiesOtherNonCurrent
697 Other current liabilities Concept (Monetary) As Of Credit aby:LiabilitiesOtherCurrent
698 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
699 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
700 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
701 090408 - Disclosure - Financial information by segment, Assets and liabilities by business sectors (Details) Network

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*

 http://atlanticayield.com/role/FinancialInformationBySegmentAssetsAndLiabilitiesByBusinessSectorsDetails
702 Disclosure of operating segments [table] Table

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*

 ifrs-full:DisclosureOfOperatingSegmentsTable
703 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
704 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
705 Allocated [Member] Member ifrs-full:OperatingSegmentsMember
706 Unallocated [Member] Member ifrs-full:UnallocatedAmountsMember
707 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
708 Products and services [member] Member ifrs-full:ProductsAndServicesMember
709 Renewable Energy [Member] Member aby:RenewableEnergyMember
710 Efficient Natural Gas [Member] Member aby:EfficientNaturalGasMember
711 Electric Transmission Lines [Member] Member aby:ElectricTransmissionLinesMember
712 Water [Member] Member aby:WaterMember
713 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
714 Assets allocated [Abstract] Abstract ifrs-full:AssetsAbstract
715 Contracted concessional assets Concept (Monetary) As Of Debit aby:ContractedConcessionalAssets
716 Investments carried under the equity method Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
717 Current financial investments Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssets
718 Cash and cash equivalents (project companies) Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
719 Other non-current assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
720 Other current assets (including cash and cash equivalents at holding company level) Concept (Monetary) As Of Debit aby:AssetsOtherCurrent
721 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
722 Liabilities allocated [Abstract] Abstract ifrs-full:LiabilitiesAbstract
723 Long-term and short-term project debt Concept (Monetary) As Of Credit aby:LongTermAndShortTermProjectDebt
724 Grants and other liabilities Concept (Monetary) As Of Credit aby:NoncurrentGovernmentGrantsAndOtherNoncurrentFinancialLiabilities
725 Long-term and short-term corporate debt Concept (Monetary) As Of Credit aby:LongTermAndShortTermCorporateDebt
726 Other non-current liabilities Concept (Monetary) As Of Credit aby:LiabilitiesOtherNonCurrent
727 Other current liabilities Concept (Monetary) As Of Credit aby:LiabilitiesOtherCurrent
728 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
729 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
730 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
731 090410 - Disclosure - Financial information by segment, Depreciation, amortization and impairment charges recognized (Details) Network

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*

 http://atlanticayield.com/role/FinancialInformationBySegmentDepreciationAmortizationAndImpairmentChargesRecognizedDetails
732 Disclosure of operating segments [table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
733 Geographical [Axis] Axis srt:StatementGeographicalAxis
734 Geographical [Domain] Member srt:SegmentGeographicalDomain
735 North America [Member] Member srt:NorthAmericaMember
736 South America [Member] Member srt:SouthAmericaMember
737 EMEA [Member] Member us-gaap:EMEAMember
738 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
739 Products and services [member] Member ifrs-full:ProductsAndServicesMember
740 Renewable Energy [Member] Member aby:RenewableEnergyMember
741 Electric Transmission Lines [Member] Member aby:ElectricTransmissionLinesMember
742 Efficient Natural Gas [Member] Member aby:EfficientNaturalGasMember
743 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
744 Financial information by segment [Abstract] Abstract aby:SegmentInformationAbstract
745 Depreciation, amortization and impairment charges Concept (Monetary) For Period Debit ifrs-full:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
746 090500 - Disclosure - Changes in the scope of the consolidated financial statements (Details) Network

*

*

 http://atlanticayield.com/role/ChangesInScopeOfConsolidatedFinancialStatementsDetails
747 Disclosure of detailed information about business combination [table] Table

*

*

 ifrs-full:DisclosureOfBusinessCombinationsTable
748 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
749 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
750 Asset Acquisition [Member] Member aby:AssetAcquisitionMember
751 Mini- Hydro [Member] Member aby:Mini-HydroMember
752 Pemex Transportation System [Member] Member aby:PemexTransportationSystemMember
753 Chile TL3 [Member] Member aby:ChileTL3Member
754 Melowind [Member] Member aby:MelowindMember
755 Power Substation [Member] Member aby:PowerSubstationMember
756 Disclosure of detailed information about business combination [line items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
757 Changes in the scope of the consolidated financial statements [Abstract] Abstract ifrs-full:DisclosureOfBusinessCombinationsAbstract
758 Percentage interest acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
759 Purchase price Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
760 Consideration initial amount will be disbursed as construction progresses Concept (Monetary) For Period Credit aby:ContingentConsiderationConcessionalAssets
761 Additional ownership percentage to be acquired Concept (Percent) For Period aby:AdditionalOwnershipPercentageToBeAcquired
762 Remaining ownership percentage to be acquired one year after COD Concept (Percent) For Period aby:RemainingOwnershipPercentageToBeAcquiredOneYearAfterCommercialOperationDate
763 Total estimated equity investment Concept (Monetary) As Of Debit ifrs-full:ContingentConsiderationArrangementsAndIndemnificationAssetsRecognisedAsOfAcquisitionDate
764 Number of transmission lines acquired Concept (Integer) For Period aby:NumberOfContractedAssetsAcquired
765 Business acquisition [Abstract] Abstract aby:BusinessAcquisitionAbstract
766 Concessional assets (Note 6) Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
767 Investments carried under the equity method (Note 7) Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
768 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
769 Project debt long term (Note 15) Concept (Monetary) As Of Credit aby:NoncurrentPortionOfNoncurrentProjectDebt
770 Deferred tax liabilities (Note 18) Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
771 Project debt short term (Note 15) Concept (Monetary) As Of Credit aby:CurrentProjectDebt
772 Other current and non-current liabilities Concept (Monetary) As Of Credit aby:OtherCurrentAndNonCurrentLiabilities
773 Asset acquisition - purchase price Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
774 Net result of the asset acquisition Concept (Monetary) As Of Debit aby:AssetsLiabilitiesImpactOfAcquisitionOfAssets
775 Revenue contributed by the acquisitions Concept (Monetary) For Period Credit ifrs-full:RevenueOfAcquiree
776 Amount of loss after tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossOfAcquiree
777 Additional revenue amount Concept (Monetary) For Period Credit ifrs-full:RevenueOfCombinedEntity
778 Additional amount of loss after tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossOfCombinedEntity
779 Change in the scope of the consolidated financial statements Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
780 090600 - Disclosure - Contracted concessional assets (Details) Network

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*

 http://atlanticayield.com/role/ContractedConcessionalAssetsDetails
781 Disclosure of detailed information about concessional assets [Table] Table

*

*

 aby:DisclosureOfDetailedInformationAboutConcessionalAssetsTable
782 Intangible assets material to entity [axis] Axis ifrs-full:IntangibleAssetsMaterialToEntityAxis
783 Intangible assets material to entity [member] Member ifrs-full:IntangibleAssetsMaterialToEntityMember
784 Contracted Concessional Assets [Member] Member aby:ContractedConcessionalAssetsMember
785 Mojave [Member] Member aby:MojaveMember
786 Solana [Member] Member aby:SolanaMember
787 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
788 Carrying amount [member] Member ifrs-full:CarryingAmountMember
789 Cost [Member] Member ifrs-full:GrossCarryingAmountMember
790 Accumulated Amortization [Member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
791 Range [axis] Axis ifrs-full:RangeAxis
792 Ranges [member] Member ifrs-full:RangesMember
793 Bottom of Range [Member] Member ifrs-full:BottomOfRangeMember
794 Top of Range [Member] Member ifrs-full:TopOfRangeMember
795 Disclosure of detailed information about concessional assets [Line Items] LineItems aby:DisclosureOfDetailedInformationAboutConcessionalAssetsLineItems
796 Movements of Contracted Concessional Assets [Abstract] Abstract ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract
797 Contracted concessional financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
798 Total, beginning of period Concept (Monetary) As Of Debit aby:ContractedConcessionalAssets
799 Adjustments arising from application of IFRS9 - Expected Credit Losses (Note 2) Concept (Monetary) As Of Credit aby:FinancialAssetsExpectedCreditLossesInitialApplicationOfIFRS9
800 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
801 Application of IFRS 16 - Leases (Note 2) Concept (Monetary) As Of Debit aby:FinancialAssetsAndFinancialLiabilitiesAdjustmentsInitialApplicationOfIFRS16
802 Subtractions Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
803 Change in the scope of the consolidated financial statements (Note 5) Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
804 Translation differences Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
805 Reclassification and other movements Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment
806 Total, end of period Concept (Monetary) As Of Debit aby:ContractedConcessionalAssets
807 Impairment loss on contracted concessional financial assets Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
808 Recoverable amount of impairment loss Concept (Monetary) As Of Debit ifrs-full:RecoverableAmountOfAssetOrCashgeneratingUnit
809 Discount rate Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse
810 Assumed percentage decrease in generation Concept (Percent) For Period aby:AssumedPercentageDecreaseInGenerationForContractedConcessionalAsset
811 Additional impairment loss that could be recognised due to assumed percentage decrease in generation Concept (Monetary) For Period Debit aby:AdditionalImpairmentLossThatCouldBeRecognisedDueToAssumedPercentageDecreaseInGeneration
812 Assumed percentage increase in discount rate Concept (Percent) For Period aby:AssumedPercentageIncreaseInDiscountRate
813 Additional impairment loss that could be recognised due to assumed increase in discount rate Concept (Monetary) For Period Debit aby:AdditionalImpairmentLossThatCouldBeRecognisedDueToAssumedIncreaseInDiscountRate
814 Percentage recoverable amount exceeds carrying amount Concept (Percent) For Period aby:PercentageRecoverableAmountOfContractedConcessionalAssetExceedsCarryingAmount
815 090700 - Disclosure - Investments carried under the equity method, Movement of the investments held in associates (Details) Network

*

*

 http://atlanticayield.com/role/InvestmentsCarriedUnderEquityMethodMovementOfInvestmentsHeldInAssociatesDetails
816 Implied Table Table

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*

 implied:Table
817 Investments carried under the equity method [Abstract] Abstract aby:InvestmentsCarriedUnderTheEquityMethodAbstract
818 Investments in associates [Abstract] Abstract ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesAbstract
819 Initial balance Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
820 Share of (loss)/profit Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
821 Dividend distribution Concept (Monetary) For Period Debit ifrs-full:DividendsReceived
822 Equity distribution Concept (Monetary) For Period Debit aby:EquityDistributionOfAssociatesAccountedForUsingEquityMethod
823 Others (incl. currency translation differences) Concept (Monetary) For Period Debit aby:IncreaseDecreaseInInvestmentsInAssociatesDueToNetExchangeDifferences
824 Final balance Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
825 090702 - Disclosure - Investments carried under the equity method, Breakdown of stand-alone amounts (Details) Network

*

*

 http://atlanticayield.com/role/InvestmentsCarriedUnderEquityMethodBreakdownOfStandaloneAmountsDetails
826 Disclosure of associates [table] Table

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*

 ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
827 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
828 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
829 Evacuacion Valdecaballeros, S.L. [Member] Member aby:AssociatesOneMember
830 Myah Bahr Honaine, S.P.A. [Member] Member aby:AssociatesTwoMember
831 Pectonex, R.F. Proprietary Limited [Member] Member aby:AssociatesThreeMember
832 Evacuacion Villanueva del Rey, S.L [Member] Member aby:AssociatesFourMember
833 Ca Ku A1, S.A.P.I de CV (PTS) [Member] Member aby:AssociatesFiveMember
834 Associate Companies [Member] Member ifrs-full:AggregatedIndividuallyImmaterialAssociatesMember
835 Legal Entity [Axis] Axis dei:LegalEntityAxis
836 Entity [Domain] Member dei:EntityDomain
837 Geida Tlemcen, S.L. [Member] Member aby:GeidaTlemcenSLMember
838 Range [axis] Axis ifrs-full:RangeAxis
839 Ranges [member] Member ifrs-full:RangesMember
840 Bottom of Range [Member] Member ifrs-full:BottomOfRangeMember
841 Disclosure of associates [line items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
842 Investments in associates [Abstract] Abstract ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesAbstract
843 % Shares Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInAssociate
844 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
845 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
846 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
847 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
848 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
849 Operating profit/(loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
850 Profit/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
851 Investment under the equity method Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
852 Percentage of shareholders required for approval of relevant decisions Concept (Percent) For Period aby:PercentageOfShareholdersRequiredForApprovalOfRelevantDecisions
853 Ownership interest Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
854 Share of profit Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
855 090800 - Disclosure - Financial instruments by category, Reconciliation to statement of financial position (Details) Network

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*

 http://atlanticayield.com/role/FinancialInstrumentsByCategoryReconciliationToStatementOfFinancialPositionDetails
856 Disclosure of financial assets [table] Table

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*

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857 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
858 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
859 Fair Value Through Other Comprehensive Income [Member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
860 Fair Value Through Profit or Loss [Member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
861 Types of financial assets [axis] Axis ifrs-full:TypesOfFinancialAssetsAxis
862 Financial assets, type [member] Member ifrs-full:FinancialAssetsTypeMember
863 Ten West Link [Member] Member aby:TenWestLinkMember
864 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
865 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
866 Amortized Cost [Member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
867 Disclosure of financial assets [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
868 Financial Assets [Abstract] Abstract ifrs-full:DisclosureOfFinancialAssetsAbstract
869 Derivative assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentDerivativeFinancialAssets
870 Investment in Ten West Link Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
871 Investment in Abengoas New Money Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
872 Other financial investments Concept (Monetary) As Of Debit ifrs-full:OtherFinancialAssets
873 Clients and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
874 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
875 Total financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
876 090800 - Disclosure - Financial instruments by category, Reconciliation to statement of financial position (Details) Network

*

*

 http://atlanticayield.com/role/FinancialInstrumentsByCategoryReconciliationToStatementOfFinancialPositionDetails
877 Disclosure of financial liabilities [table] Table

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*

 ifrs-full:DisclosureOfFinancialLiabilitiesTable
878 Types of financial assets [axis] Axis ifrs-full:TypesOfFinancialAssetsAxis
879 Financial assets, type [member] Member ifrs-full:FinancialAssetsTypeMember
880 Ten West Link [Member] Member aby:TenWestLinkMember
881 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
882 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
883 Amortized Cost [Member] Member ifrs-full:FinancialLiabilitiesAtAmortisedCostMember
884 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
885 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
886 Fair Value Through Profit or Loss [Member] Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember
887 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
888 Financial Liabilities [Abstract] Abstract ifrs-full:DisclosureOfFinancialLiabilitiesAbstract
889 Corporate debt Concept (Monetary) As Of Credit aby:LongTermAndShortTermCorporateDebt
890 Project debt Concept (Monetary) As Of Credit aby:LongTermAndShortTermProjectDebt
891 Related parties - non-current Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayablesToRelatedParties
892 Trade and other current liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
893 Derivative liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentDerivativeFinancialLiabilities
894 Total financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
895 Restructuring agreement of Abengoa [Abstract] Abstract aby:RestructuringAgreementAbstract
896 Percentage interest acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
897 Length of transmission lines Concept (num:lengthItemType) For Period aby:LengthOfTransmissionLines
898 090900 - Disclosure - Derivative financial instruments, Breakdown of fair value amounts (Details) Network

*

*

 http://atlanticayield.com/role/DerivativeFinancialInstrumentsBreakdownOfFairValueAmountsDetails
899 Disclosure of detailed information about hedging instruments [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsTable
900 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
901 Risks [member] Member ifrs-full:TypesOfRisksMember
902 Market risk [member] Member ifrs-full:MarketRiskMember
903 Interest Rate Derivatives [Member] Member ifrs-full:InterestRateRiskMember
904 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
905 Hedge Accounting [Member] Member ifrs-full:TypesOfHedgesMember
906 Cash Flow Hedge [Member] Member ifrs-full:CashFlowHedgesMember
907 Currency [Axis] Axis srt:CurrencyAxis
908 All Currencies [Domain] Member currency:AllCurrenciesDomain
909 Euros [Member] Member currency:EUR
910 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
911 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
912 Swap contract [member] Member ifrs-full:SwapContractMember
913 Currency Swap [Member] Member ifrs-full:CurrencySwapContractMember
914 Disclosure of detailed information about hedging instruments [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems
915 Breakdown of fair value amount of derivative financial instruments [Abstract] Abstract ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract
916 Assets Concept (Monetary) As Of Debit ifrs-full:HedgingInstrumentAssets
917 Liabilities Concept (Monetary) As Of Credit ifrs-full:HedgingInstrumentLiabilities
918 Percent of notional amount of debt hedged in next 12 months Concept (Percent) For Period aby:PercentageOfNotionalAmountOfDebtHedgedInNextTwelveMonths
919 Percentage of notional amount of debt hedged in year two Concept (Percent) For Period aby:PercentageOfNotionalAmountOfDebtHedgedInYearTwo
920 090902 - Disclosure - Derivative financial instruments, Breakdown of maturities of notional and fair value amounts (Details) Network

*

*

 http://atlanticayield.com/role/DerivativeFinancialInstrumentsBreakdownOfMaturitiesOfNotionalAndFairValueAmountsDetails
921 Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [table] Table

*

*

 ifrs-full:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsTable
922 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
923 Risks [member] Member ifrs-full:TypesOfRisksMember
924 Market risk [member] Member ifrs-full:MarketRiskMember
925 Interest Rate Derivatives [Member] Member ifrs-full:InterestRateRiskMember
926 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
927 Hedge Accounting [Member] Member ifrs-full:TypesOfHedgesMember
928 Cash Flow Hedge [Member] Member ifrs-full:CashFlowHedgesMember
929 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
930 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
931 Cap [Member] Member aby:CallOptionContractMember
932 Swap [Member] Member ifrs-full:SwapContractMember
933 Maturity [axis] Axis ifrs-full:MaturityAxis
934 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
935 Up to 1 Year [Member] Member ifrs-full:NotLaterThanOneYearMember
936 Between 1 and 2 Years [Member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
937 Between 2 and 3 Years [Member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
938 Subsequent Years [Member] Member ifrs-full:LaterThanThreeYearsMember
939 Currency [Axis] Axis srt:CurrencyAxis
940 Currencies All [Domain] Member currency:AllCurrenciesDomain
941 Euros [Member] Member currency:EUR
942 U.S. Dollars [Member] Member currency:USN
943 Range [axis] Axis ifrs-full:RangeAxis
944 Ranges [member] Member ifrs-full:RangesMember
945 Bottom of Range [Member] Member ifrs-full:BottomOfRangeMember
946 Top of Range [Member] Member ifrs-full:TopOfRangeMember
947 Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items] LineItems ifrs-full:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsLineItems
948 Breakdown of Maturities of Notional and Fair Value Amounts [Abstract] Abstract ifrs-full:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsAbstract
949 Percentage of notional amount of project debt hedged Concept (Percent) For Period aby:PercentageOfNotionalAmountOfProjectDebtHedged
950 Maturity date Concept (Text/String) For Period ifrs-full:BorrowingsMaturity
951 Average guaranteed interest rates Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
952 Notionals Concept (Decimal) As Of ifrs-full:NominalAmountOfHedgingInstrument
953 Fair value Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
954 Fair value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
955 Loss on cash flow hedges Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax
956 Gain (loss) on net amount of time value component Concept (Monetary) For Period Credit ifrs-full:GainLossOnChangeInFairValueOfHedgedItemUsedAsBasisForRecognisingHedgeIneffectiveness
957 After-tax result accumulated in equity Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedgesContinuingHedges
958 091000 - Disclosure - Related parties (Details) Network

*

*

 http://atlanticayield.com/role/RelatedPartiesDetails
959 Disclosure of transactions between related parties [table] Table

*

*

 ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
960 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
961 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
962 Related Parties [Member] Member ifrs-full:RelatedPartiesMember
963 Subsidiaries [Member] Member ifrs-full:SubsidiariesMember
964 Abengoa [Member] Member aby:AbengoaSAMember
965 Legal Entity [Axis] Axis dei:LegalEntityAxis
966 Entity [Domain] Member dei:EntityDomain
967 Algonquin [Member] Member aby:AlgonquinMember
968 Intangible assets material to entity [axis] Axis ifrs-full:IntangibleAssetsMaterialToEntityAxis
969 Intangible assets material to entity [member] Member ifrs-full:IntangibleAssetsMaterialToEntityMember
970 Solana [Member] Member aby:SolanaMember
971 Solana and Mojave [Member] Member aby:SolanaAndMojaveMember
972 Maturity [axis] Axis ifrs-full:MaturityAxis
973 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
974 First 2 Years [Member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
975 Subsequent 4 Years [Member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
976 Disclosure of transactions between related parties [line items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
977 Non-controlling ownership interest [Abstract] Abstract aby:NoncontrollingOwnershipInterestAbstract
978 Additional ownership interests acquired Concept (Percent) As Of ifrs-full:PercentageOfVotingEquityInterestsAcquired
979 Ownership interest Concept (Percent) For Period aby:ProportionOfOwnershipInterestsHeldByNoncontrollingInterestsInReportingEntity
980 Details of Balances [Abstract] Abstract aby:DetailsOfBalancesWithRelatedPartiesAbstract
981 Total current receivables with related parties Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties
982 Total non-current receivables with related parties Concept (Monetary) As Of Debit ifrs-full:NoncurrentReceivablesDueFromRelatedParties
983 Total current payables with related parties Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties
984 Total non-current payables with related parties Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayablesToRelatedParties
985 Accrued Operation and Maintenance payable Concept (Monetary) As Of Credit aby:NoncurrentTradePayablesOperationAndMaintenance
986 Payment for debt extinguishment Concept (Monetary) For Period Credit aby:PaymentForDebtExtinguishment
987 Income from the purchase of the long-term operation and maintenance payable Concept (Monetary) For Period Credit aby:GainOnSettlementOfLongTermOperationAndMaintenancePayable
988 Transactions With Related Party [Abstract] Abstract ifrs-full:RelatedPartyTransactionsAbstract
989 Services rendered Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfServicesRelatedPartyTransactions
990 Services received Concept (Monetary) For Period Debit ifrs-full:ServicesReceivedRelatedPartyTransactions
991 Financial income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
992 Financial expenses Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
993 Dividends retained from Abengoa Concept (Monetary) For Period Credit aby:DividendsRetained
994 Income for cancellation of subordinated debt Concept (Monetary) For Period Credit aby:FinanceIncomeForCancellationOfSubordinatedDebt
995 Income for discounts received for prepayment of payables Concept (Monetary) For Period Credit aby:FinanceIncomeForDiscountsReceivedForPrepaymentOfPayables
996 Minimum ownership requirement percentage Concept (Percent) For Period aby:MinimumOwnershipRequirementPercentage
997 Performance consideration received Concept (Monetary) As Of Debit aby:PerformanceObligationsConsiderationReceived
998 Performance obligations proceeds received from Abengoa Concept (Monetary) For Period Debit aby:PerformanceObligationsReceivedFromRelatedPartyTransactions
999 Performance obligations proceeds applied to project debt Concept (Monetary) As Of Credit aby:PerformanceObligationsProceedsEstimatedPrepaidAmountProjectDebt
1000 Other obligations Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
1001 Long-term payments payable Concept (Monetary) For Period Credit aby:LongTermDebtPeriodicPayment
1002 Fair value of land received Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1003 Agreed amount to fund reserve account in year 2020 and 2021 Concept (Monetary) As Of Credit aby:ProjectReserveFunding
1004 Term to maintain guarantees and letters of credit Concept (xbrli:durationItemType) For Period aby:TermToMaintainGuaranteesAndLettersOfCredit
1005 Guarantees amount Concept (Monetary) As Of Credit aby:GuaranteesAmountRelatedPartyTransactions
1006 Guarantees amount replaced Concept (Monetary) For Period Debit aby:ReplacementOfGuaranteesAmount
1007 Guarantees amount, canceled Concept (Monetary) For Period Debit aby:GuaranteesAmountCanceled
1008 091100 - Disclosure - Clients and other receivable (Details) Network

*

*

 http://atlanticayield.com/role/ClientsAndOtherReceivableDetails
1009 Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [table] Table

*

*

 ifrs-full:DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateTable
1010 Currency [Axis] Axis srt:CurrencyAxis
1011 Currencies All [Domain] Member currency:AllCurrenciesDomain
1012 Euros [Member] Member currency:EUR
1013 Rand [Member] Member currency:ZAR
1014 Other [Member] Member aby:OtherCurrencyMember
1015 All Foreign Currencies [Member] Member aby:AllCurrenciesMember
1016 Maturity [axis] Axis ifrs-full:MaturityAxis
1017 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1018 Up to 3 Months [Member] Member aby:LaterThanOneDayAndNotLaterThanThreeMonthsMember
1019 Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items] LineItems ifrs-full:DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateLineItems
1020 Clients and other receivables [Abstract] Abstract ifrs-full:DisclosureOfAmountsToBeRecoveredOrSettledAfterTwelveMonthsForClassesOfAssetsAndLiabilitiesThatContainAmountsToBeRecoveredOrSettledBothNoMoreAndMoreThanTwelveMonthsAfterReportingDateAbstract
1021 Trade receivables Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
1022 Tax receivables Concept (Monetary) As Of Debit ifrs-full:CurrentReceivablesFromTaxesOtherThanIncomeTax
1023 Prepayments Concept (Monetary) As Of Debit ifrs-full:CurrentPrepayments
1024 Other accounts receivable Concept (Monetary) As Of Debit ifrs-full:OtherCurrentReceivables
1025 Clients and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
1026 091200 - Disclosure - Cash and cash equivalents (Details) Network

*

*

 http://atlanticayield.com/role/CashAndCashEquivalentsDetails
1027 Cash and cash equivalents [Table] Table

*

*

 aby:CashAndCashEquivalentsTable
1028 Currency [Axis] Axis srt:CurrencyAxis
1029 Currencies All [Domain] Member currency:AllCurrenciesDomain
1030 U.S. Dollar [Member] Member currency:USN
1031 Euro [Member] Member currency:EUR
1032 Algerian Dinar [Member] Member currency:DZD
1033 South African Rand [Member] Member currency:ZAR
1034 Others [Member] Member aby:OtherCurrencyMember
1035 Cash and cash equivalents [Line Items] LineItems aby:CashAndCashEquivalentLineItems
1036 Cash and cash equivalents [abstract] Abstract ifrs-full:CashAbstract
1037 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1038 Cash held to satisfy the requirements of non-recourse debt agreements Concept (Monetary) As Of Debit ifrs-full:RestrictedCashAndCashEquivalents
1039 091300 - Disclosure - Equity (Details) Network

*

*

 http://atlanticayield.com/role/EquityDetails
1040 Disclosure of classes of share capital [table] Table

*

*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
1041 Legal Entity [Axis] Axis dei:LegalEntityAxis
1042 Entity [Domain] Member dei:EntityDomain
1043 Algonquin [Member] Member aby:AlgonquinMember
1044 Maturity [axis] Axis ifrs-full:MaturityAxis
1045 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1046 Fourth Quarter [Member] Member aby:LaterThanNineMonthsAndNotLaterThanTwelveMonthsMember
1047 First Quarter [Member] Member aby:LaterThanOneDayAndNotLaterThanThreeMonthsMember
1048 Second Quarter [Member] Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember
1049 Third Quarter [Member] Member aby:LaterThanSixMonthsAndNotLaterThanNineMonthsMember
1050 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1051 Equity [Abstract] Abstract ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
1052 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
1053 Shares outstanding (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
1054 Nominal value per share (in dollars per share) Concept (Share) As Of ifrs-full:ParValuePerShare
1055 Voting right per share Concept (Integer) For Period aby:VotingRightPerShare
1056 Ownership interest Concept (Percent) For Period aby:ProportionOfOwnershipInterestsHeldByNoncontrollingInterestsInReportingEntity
1057 Dividend declared and paid (in dollars per share) Concept (Share) For Period ifrs-full:DividendsPaidOrdinarySharesPerShare
1058 Treasury shares held (in shares) Concept (Shares) As Of aby:TreasurySharesNumberOfShares
1059 Increase (decrease) in treasury shares (in shares) Concept (Shares) For Period aby:NumberOfTreasurySharesPurchasedSoldIssuedOrCancelled
1060 091400 - Disclosure - Corporate debt, Breakdown of corporate debt (Details) Network

*

*

 http://atlanticayield.com/role/CorporateDebtBreakdownOfCorporateDebtDetails
1061 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1062 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1063 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1064 Credit Facilities with Financial Entities [Member] Member aby:CreditFacilitiesWithFinancialEntitiesMember
1065 Notes and Bonds [Member] Member aby:NotesAndBondsMember
1066 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1067 Corporate debt [Abstract] Abstract ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
1068 Total Non-Current Concept (Monetary) As Of Credit aby:NonCurrentPortionOfCreditFacilitiesNotesAndBondsReceived
1069 Total Current Concept (Monetary) As Of Credit aby:CurrentPortionOfNoncurrentCreditFacilitiesNotesAndBondsReceived
1070 091402 - Disclosure - Corporate debt, Details of corporate debt (Details) Network

*

*

 http://atlanticayield.com/role/CorporateDebtDetailsOfCorporateDebtDetails
1071 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1072 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1073 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1074 2019 Notes [Member] Member aby:NotesSeniorMember
1075 Former Revolving Credit Facility [Member] Member aby:CreditFacilityTrancheAMember
1076 Note Issuance Facility [Member] Member aby:NoteIssuanceFacilityMember
1077 Series 1 Notes [Member] Member aby:Series1NotesMember
1078 Series 2 Notes [Member] Member aby:Series2NotesMember
1079 Series 3 Notes [Member] Member aby:Series3NotesMember
1080 2017 Credit Facility [Member] Member aby:CreditFacility2017Member
1081 New Revolving Credit Facility [Member] Member aby:NewRevolvingCreditFacilityMember
1082 Eurodollar Rate Loans [Member] Member aby:EurodollarRateLoansMember
1083 Base Rate Loans [Member] Member aby:BaseRateLoansMember
1084 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1085 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1086 EURIBOR [Member] Member aby:EuroInterbankOfferedRateMember
1087 LIBOR [Member] Member aby:LondonInterbankOfferedRateMember
1088 Federal Funds Rate [Member] Member aby:FederalFundsRateMember
1089 Range [axis] Axis ifrs-full:RangeAxis
1090 Ranges [member] Member ifrs-full:RangesMember
1091 Bottom of Range [Member] Member ifrs-full:BottomOfRangeMember
1092 Top of Range [Member] Member ifrs-full:TopOfRangeMember
1093 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1094 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
1095 Subsequent Events [Member] Member aby:SubsequentEventsMember
1096 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1097 Corporate debt [Abstract] Abstract ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
1098 Principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1099 Fixed interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1100 Maturity date Concept (Text/String) For Period ifrs-full:BorrowingsMaturity
1101 Proceeds from corporate debt Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
1102 Number of interest rate swaps Concept (Integer) For Period aby:NumberOfInterestRateSwaps
1103 Adjustment to interest rate Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1104 Repayment of debt Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
1105 Credit facility amount Concept (Monetary) As Of Credit aby:MaximumBorrowingCapacityLineOfCreditFacility
1106 Potential increase in borrowings capacity Concept (Monetary) As Of Credit aby:IncreaseToBorrowingCapacityLineOfCreditFacility
1107 Amount drawn Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
1108 091404 - Disclosure - Corporate debt, Repayment schedule (Details) Network

*

*

 http://atlanticayield.com/role/CorporateDebtRepaymentScheduleDetails
1109 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1110 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1111 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1112 New Revolving Credit Facility [Member] Member aby:NewRevolvingCreditFacilityMember
1113 Note Issuance Facility [Member] Member aby:NoteIssuanceFacilityMember
1114 2017 Credit Facility [Member] Member aby:CreditFacility2017Member
1115 2019 Notes [Member] Member aby:NotesSeniorMember
1116 Maturity [axis] Axis ifrs-full:MaturityAxis
1117 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1118 2019 [Member] Member ifrs-full:NotLaterThanOneYearMember
1119 2020 [Member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1120 2021 [Member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1121 2022 [Member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1122 2023 [Member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1123 Subsequent Years [Member] Member ifrs-full:LaterThanFiveYearsMember
1124 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1125 Repayment schedule [Abstract] Abstract ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract
1126 Corporate debt Concept (Monetary) As Of Credit aby:LongTermAndShortTermCorporateDebt
1127 091406 - Disclosure - Corporate debt, Movement in corporate debt, split between cash and non-cash items (Details) Network

*

*

 http://atlanticayield.com/role/CorporateDebtMovementInCorporateDebtSplitBetweenCashAndNoncashItemsDetails
1128 Implied Table Table

*

*

 implied:Table
1129 Corporate debt [Abstract] Abstract aby:CorporateDebtAbstract
1130 Beginning balance Concept (Monetary) As Of Credit aby:LongTermAndShortTermCorporateDebt
1131 Cash flow Concept (Monetary) For Period Credit aby:MovementInLongTermAndShortTermCorporateDebtCashFlows
1132 Non-cash changes Concept (Monetary) For Period Debit aby:MovementInLongTermAndShortTermCorporateDebtNonCashCharges
1133 Ending balance Concept (Monetary) As Of Credit aby:LongTermAndShortTermCorporateDebt
1134 091500 - Disclosure - Project debt, Movements of project debt (Details) Network

*

*

 http://atlanticayield.com/role/ProjectDebtMovementsOfProjectDebtDetails
1135 Disclosure of reconciliation of liabilities arising from financing activities [table] Table

*

*

 ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable
1136 Liabilities arising from financing activities [axis] Axis ifrs-full:LiabilitiesArisingFromFinancingActivitiesAxis
1137 Liabilities arising from financing activities [member] Member ifrs-full:LiabilitiesArisingFromFinancingActivitiesMember
1138 Project Debt - Long-term [member] Member aby:LongTermProjectDebtMember
1139 Project Debt - Short-term [Member] Member ifrs-full:ShorttermBorrowingsMember
1140 New IFRSs [axis] Axis ifrs-full:NewIFRSsAxis
1141 New IFRSs [member] Member ifrs-full:NewIFRSsMember
1142 IFRS 9 Adjustment [Member] Member ifrs-full:InAccordanceWithIFRS9Member
1143 Disclosure of reconciliation of liabilities arising from financing activities [line items] LineItems ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems
1144 Total Project Debt [Abstract] Abstract aby:TotalProjectDebtAbstract
1145 Beginning balance Concept (Monetary) As Of Credit aby:LongTermAndShortTermProjectDebt
1146 Increases Concept (Monetary) For Period Debit aby:ProceedsFromBorrowings
1147 Decreases Concept (Monetary) For Period Credit aby:RepaymentsOfBorrowings
1148 First time application of IFRS 9 Concept (Monetary) For Period Credit aby:FinancialLiabilitiesInitialApplicationOfIFRS9
1149 Debt refinancing IFRS 9 impact Concept (Monetary) For Period Credit aby:FinancialIncomeDebtRefinancing
1150 Changes in the scope of the consolidated financial statements Concept (Monetary) For Period Credit aby:ProjectDebtLongTermAndShortTermLiabilitiesAssumedThroughABusinessCombination
1151 Currency translation differences Concept (Monetary) For Period Credit aby:CurrencyTranslationGainsLossesOnProjectDebt
1152 Reclassifications Concept (Monetary) For Period Credit aby:ReclassificationOfProjectDebt
1153 Ending balance Concept (Monetary) As Of Credit aby:LongTermAndShortTermProjectDebt
1154 091502 - Disclosure - Project debt, Main variations (Details) Network

*

*

 http://atlanticayield.com/role/ProjectDebtMainVariationsDetails
1155 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1156 Intangible assets material to entity [axis] Axis ifrs-full:IntangibleAssetsMaterialToEntityAxis
1157 Intangible assets material to entity [member] Member ifrs-full:IntangibleAssetsMaterialToEntityMember
1158 Solana [Member] Member aby:SolanaMember
1159 New IFRSs [axis] Axis ifrs-full:NewIFRSsAxis
1160 New IFRSs [member] Member ifrs-full:NewIFRSsMember
1161 IFRS 9 [member] Member ifrs-full:InAccordanceWithIFRS9Member
1162 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1163 Main variations [Abstract] Abstract aby:MainVariationsAbstract
1164 Repayment of debt Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
1165 Debt refinancing, financial income Concept (Monetary) For Period Credit aby:FinancialIncomeDebtRefinancing
1166 091504 - Disclosure - Project debt, Repayment schedule (Details) Network

*

*

 http://atlanticayield.com/role/ProjectDebtRepaymentScheduleDetails
1167 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1168 Maturity [axis] Axis ifrs-full:MaturityAxis
1169 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1170 2019 [Member] Member ifrs-full:NotLaterThanOneYearMember
1171 2020 [Member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1172 2021 [Member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1173 2022 [Member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1174 2023 [Member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1175 Subsequent Years [Member] Member ifrs-full:LaterThanFiveYearsMember
1176 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1177 Repayment schedule [Abstract] Abstract ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract
1178 Interest repayment Concept (Monetary) As Of Credit ifrs-full:CurrentInterestPayable
1179 Nominal repayment Concept (Monetary) As Of ifrs-full:NotionalAmount
1180 Project debt Concept (Monetary) As Of Credit aby:LongTermAndShortTermProjectDebt
1181 091506 - Disclosure - Project debt, movement in project debt, split between cash and non-cash items (Details) Network

*

*

 http://atlanticayield.com/role/ProjectDebtMovementInProjectDebtSplitBetweenCashAndNoncashItemsDetails
1182 Implied Table Table

*

*

 implied:Table
1183 Project debt [Abstract] Abstract aby:ProjectDebtAbstract
1184 Beginning balance Concept (Monetary) As Of Credit aby:LongTermAndShortTermProjectDebt
1185 Cash flow Concept (Monetary) For Period Credit aby:MovementInLongTermAndShortTermProjectDebtCashFlows
1186 Non-cash changes Concept (Monetary) For Period Debit aby:MovementInLongTermAndShortTermProjectDebtNonCashCharges
1187 Ending balance Concept (Monetary) As Of Credit aby:LongTermAndShortTermProjectDebt
1188 091508 - Disclosure - Project debt, Movement in project debt and Significant foreign currency denominated debts (Details) Network

*

*

 http://atlanticayield.com/role/ProjectDebtMovementInProjectDebtAndSignificantForeignCurrencyDenominatedDebtsDetails
1189 Disclosure of detailed information about borrowings [table] Table

*

*

 ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1190 Currency [Axis] Axis srt:CurrencyAxis
1191 All Currencies [Domain] Member currency:AllCurrenciesDomain
1192 Euro [Member] Member currency:EUR
1193 Algerian Dinar [Member] Member currency:DZD
1194 Rand [Member] Member currency:ZAR
1195 All Foreign Currencies [Member] Member aby:AllCurrenciesMember
1196 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1197 Project Debt [Abstract] Abstract ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
1198 Project debt Concept (Monetary) As Of Credit aby:LongTermAndShortTermProjectDebt
1199 091600 - Disclosure - Grants and other liabilities (Details) Network

*

*

 http://atlanticayield.com/role/GrantsAndOtherLiabilitiesDetails
1200 Disclosure of financial liabilities [table] Table

*

*

 ifrs-full:DisclosureOfFinancialLiabilitiesTable
1201 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
1202 Counterparties [member] Member ifrs-full:CounterpartiesMember
1203 U.S. Department of Treasury [Member] Member aby:UnitedStatesDepartmentOfTheTreasuryMember
1204 Federal Financing Bank [Member] Member aby:FederalFinancingBankMember
1205 Liberty Interactive Corporation [Member] Member aby:LibertyInteractiveCorporationMember
1206 Intangible assets material to entity [axis] Axis ifrs-full:IntangibleAssetsMaterialToEntityAxis
1207 Intangible assets material to entity [member] Member ifrs-full:IntangibleAssetsMaterialToEntityMember
1208 Solana and Mojave [Member] Member aby:SolanaAndMojaveMember
1209 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
1210 Grants and other liabilities [Abstract] Abstract ifrs-full:DisclosureOfFinancialLiabilitiesAbstract
1211 Grants Concept (Monetary) As Of Credit ifrs-full:NoncurrentGovernmentGrants
1212 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
1213 Grant and other non-current liabilities Concept (Monetary) As Of Credit aby:NoncurrentGovernmentGrantsAndOtherNoncurrentFinancialLiabilities
1214 Number of grant types Concept (Integer) For Period aby:NumberOfGrantTypes
1215 Income from grants Concept (Monetary) For Period Credit ifrs-full:RevenueFromGovernmentGrants
1216 Class A membership investment Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentFinancialLiabilities
1217 Finance lease liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinanceLeaseLiabilities
1218 Percentage of dividends and taxable loss received Concept (Percent) For Period ifrs-full:PercentageOfEntitysRevenue
1219 Percentage of entity's revenue received once conditions are met Concept (Percent) For Period aby:PercentageOfEntitySRevenueReceivedOnceConditionsAreMet
1220 091700 - Disclosure - Trade payables and other current liabilities (Details) Network

*

*

 http://atlanticayield.com/role/TradePayablesAndOtherCurrentLiabilitiesDetails
1221 Implied Table Table

*

*

 implied:Table
1222 Trade payables and other current liabilities [Abstract] Abstract aby:TradePayablesAndOtherCurrentLiabilitiesAbstract
1223 Trade accounts payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
1224 Down payments from clients Concept (Monetary) As Of Credit ifrs-full:CurrentDepositsFromCustomers
1225 Liberty (see Note 16) Concept (Monetary) As Of Credit ifrs-full:CurrentFinancialLiabilitiesAtAmortisedCost
1226 Other accounts payable Concept (Monetary) As Of Credit ifrs-full:OtherCurrentPayables
1227 Total Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
1228 091800 - Disclosure - Income Tax, Analysis of deferred tax assets and liabilities (Details) Network

*

*

 http://atlanticayield.com/role/IncomeTaxAnalysisOfDeferredTaxAssetsAndLiabilitiesDetails
1229 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

 ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1230 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1231 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1232 Net tax credits for Operating losses carryforwards [Member] Member ifrs-full:UnusedTaxCreditsMember
1233 Temporary differences [Member] Member ifrs-full:TemporaryDifferenceMember
1234 Temporary differences derivatives financial instruments [Member] Member ifrs-full:UnrealisedForeignExchangeGainsLossesMember
1235 Temporary differences tax/book amortization [Member] Member aby:TemporaryDifferenceTaxBookAmortizationMember
1236 Temporary differences tax/book value of contracted concessional assets [Member] Member aby:TemporaryDifferenceContractedConcessionalAssetsMember
1237 Other temporary differences [Member] Member ifrs-full:OtherTemporaryDifferencesMember
1238 Temporary difference for accelerated tax amortization [Member] Member aby:TemporaryDifferenceForAcceleratedTaxAmortizationMember
1239 Types of financial assets [axis] Axis ifrs-full:TypesOfFinancialAssetsAxis
1240 Financial assets, type [member] Member ifrs-full:FinancialAssetsTypeMember
1241 ACT [Member] Member aby:ACTMember
1242 Intangible assets material to entity [axis] Axis ifrs-full:IntangibleAssetsMaterialToEntityAxis
1243 Intangible assets material to entity [member] Member ifrs-full:IntangibleAssetsMaterialToEntityMember
1244 Solar Plants in Spain [Member] Member aby:SolarPlantsInSpainMember
1245 Solana and Mojave [Member] Member aby:SolanaAndMojaveMember
1246 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1247 Deferred Tax Assets and Liabilities [Abstract] Abstract ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract
1248 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1249 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1250 Corporate tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1251 Net operating losses Concept (Monetary) As Of Debit aby:NetOperatingLossCarryforwards
1252 091802 - Disclosure - Income Tax, Movements in deferred tax assets and liabilities (Details) Network

*

*

 http://atlanticayield.com/role/IncomeTaxMovementsInDeferredTaxAssetsAndLiabilitiesDetails
1253 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

 ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1254 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1255 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1256 Deferred Tax Assets [Member] Member aby:DeferredTaxAssetsMember
1257 Deferred Tax Liabilities [Member] Member aby:DeferredTaxLiabilitiesMember
1258 New IFRSs [axis] Axis ifrs-full:NewIFRSsAxis
1259 New IFRSs [member] Member ifrs-full:NewIFRSsMember
1260 IFRS 9 Adjustment [Member] Member ifrs-full:InAccordanceWithIFRS9Member
1261 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1262 Deferred Tax Assets [Abstract] Abstract aby:DeferredTaxAssetsAbstract
1263 Beginning of period Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1264 First application of IFRS 9 as of December 31, 2017 Concept (Monetary) As Of Debit ifrs-full:IncreaseDecreaseInFinancialAssetsArisingFromChangeInMeasurementAttributeFirstApplicationOfIFRS9
1265 Increase/decrease through the consolidated income statement Concept (Monetary) For Period Debit aby:DeferredTaxExpenseIncomeRecognisedInProfitOrLossDeferredTaxAssets
1266 Increase/decrease through other consolidated comprehensive income (equity) Concept (Monetary) For Period Debit aby:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeDeferredTaxAssets
1267 Other movements Concept (Monetary) For Period Debit aby:IncreaseDecreaseThroughOtherChangesDeferredTaxAssets
1268 End of period Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1269 Deferred Tax Liabilities [Abstract] Abstract aby:DisclosureOfDeferredTaxLiabilitiesAbstract
1270 Beginning of period Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1271 First application of IFRS 9 as of December 31, 2017 Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInFinancialLiabilitiesArisingFromChangeInMeasurementAttributeFirstApplicationOfIFRS9
1272 Increase/decrease through the consolidated income statement Concept (Monetary) For Period Credit aby:DeferredTaxExpenseIncomeRecognizedInProfitOrLossDeferredTaxLiabilities
1273 Increase/decrease through other consolidated comprehensive income (equity) Concept (Monetary) For Period Credit aby:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeDeferredTaxLiabilities
1274 Change in the scope of the consolidated financial statements Concept (Monetary) For Period Credit aby:IncreaseDecreaseThroughScopeOfFinancialStatementsDeferredTaxLiabilities
1275 Other movements Concept (Monetary) For Period Credit aby:IncreaseDecreaseThroughOtherChangesDeferredTaxLiabilities
1276 End of period Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1277 091804 - Disclosure - Income Tax, Income tax benefit/(expense) (Details) Network

*

*

 http://atlanticayield.com/role/IncomeTaxIncomeTaxBenefitExpenseDetails
1278 Implied Table Table

*

*

 implied:Table
1279 Income Tax [Abstract] Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1280 Current tax Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
1281 Deferred tax Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
1282 Deferred tax expense (income) relating to origination and reversal of temporary differences Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences
1283 Deferred tax expense (income) relating to changes in tax rates Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes
1284 Total income tax benefit/(expense) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1285 091806 - Disclosure - Income Tax, Effective income tax rate reconciliation (Details) Network

*

*

 http://atlanticayield.com/role/IncomeTaxEffectiveIncomeTaxRateReconciliationDetails
1286 Implied Table Table

*

*

 implied:Table
1287 Income Tax [Abstract] Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1288 Consolidated income / (loss) before taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1289 Average statutory tax rate Concept (Percent) For Period ifrs-full:AverageEffectiveTaxRate
1290 Corporate income tax at average statutory tax rate Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
1291 Income tax of associates, net Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1292 Differences in foreign tax rates Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
1293 Permanent differences Concept (Monetary) For Period Credit ifrs-full:TaxEffectOfRevenuesExemptFromTaxation2011
1294 Incentives, deductions, and unrecognized tax losses carryforwards Concept (Monetary) For Period Debit aby:TaxEffectOfExpenseNotDeductibleAndTaxLossesInDeterminingTaxableProfitTaxLoss
1295 Change in corporate income tax Concept (Monetary) For Period Debit ifrs-full:TaxEffectFromChangeInTaxRate
1296 U.S Internal Revenue Code Section 382 Concept (Monetary) For Period Debit aby:TaxEffectOfUSInternalRevenueCodeSection382
1297 Other non-taxable income/(expense) Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
1298 Total income tax benefit/(expense) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1299 Limitation imposed on net interest expense, that exceeds EBITDA Concept (Percent) For Period aby:LimitationImposedOnNetInterestExpenseThatExceedsEarningsBeforeInterestTaxesDepreciationAndAmortizationPercentage
1300 Limitation imposed on net interest expense, that exceeds EBIT Concept (Percent) For Period aby:LimitationImposedOnNetInterestExpenseThatExceedsEarningsBeforeInterestAndTaxPercentage
1301 Limitation imposed on NOL arising in tax years on taxable income Concept (Percent) For Period aby:LimitationImposedOnNetOperatingLossArisingInTaxYearsOnTaxableIncomePercentage
1302 NOL applicable carry forward period Concept (xbrli:durationItemType) For Period aby:NetOperatingLossApplicableCarryForwardPeriod
1303 BEAT applies on entity that exceeds taxable income percentage Concept (Percent) For Period aby:BaseErosionAntiAbuseTaxAppliesOnEntityThatExceedsTaxableIncomePercentage
1304 091900 - Disclosure - Third-party guarantees and commitments (Details) Network

*

*

 http://atlanticayield.com/role/ThirdpartyGuaranteesAndCommitmentsDetails
1305 Disclosure of contingent liabilities [table] Table

*

*

 ifrs-full:DisclosureOfContingentLiabilitiesTable
1306 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
1307 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
1308 Pemex [Member] Member aby:PemexLegalProceedingsClaimantMember
1309 Arb Inc. [Member] Member aby:ArbIncorporatedLegalProceedingsClaimantMember
1310 Group of Insurance Companies [Member] Member aby:GroupOfInsuranceCompaniesLegalProceedingsClaimantMember
1311 Solana [Member] Member aby:SolanaMember
1312 Legal Entity [Axis] Axis dei:LegalEntityAxis
1313 Entity [Domain] Member dei:EntityDomain
1314 Abengoa [Member] Member aby:AbengoaSAMember
1315 Range [axis] Axis ifrs-full:RangeAxis
1316 Ranges [member] Member ifrs-full:RangesMember
1317 Top of Range [Member] Member ifrs-full:TopOfRangeMember
1318 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1319 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
1320 Subsequent Events [Member] Member aby:SubsequentEventsMember
1321 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1322 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1323 Mexico [Member] Member country:MX
1324 Disclosure of contingent liabilities [line items] LineItems ifrs-full:DisclosureOfContingentLiabilitiesLineItems
1325 Legal Proceedings [Abstract] Abstract ifrs-full:LegalProceedingsProvisionAbstract
1326 Estimated claims Concept (Monetary) For Period Debit aby:DamagesSoughtAmount
1327 Amount of settlement payments Concept (Monetary) For Period Credit aby:LossContingencySettlementAmountAwardedToOtherParty
1328 Estimated maximum potential exposure Concept (Monetary) As Of Debit aby:LossContingencyEstimableMaximumPossibleLoss
1329 Amount held in escrow Concept (Monetary) As Of Debit aby:LossContingencyEscrowDeposit
1330 Amount withdrawn from escrow Concept (Monetary) As Of Credit aby:LossContingencyEscrowWithdrawn
1331 091900 - Disclosure - Third-party guarantees and commitments (Details) Network

*

*

 http://atlanticayield.com/role/ThirdpartyGuaranteesAndCommitmentsDetails
1332 Disclosure of maturity analysis for non-derivative financial liabilities [table] Table

*

*

 ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable
1333 Maturity [axis] Axis ifrs-full:MaturityAxis
1334 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1335 2018 and 2019 [Member] Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanOneYearMember
1336 2019/2020 and 2020/2021 [Member] Member ifrs-full:LaterThanOneYearAndNotLaterThanThreeYearsMember
1337 2021/2022 and 2022/2023 [Member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFiveYearsMember
1338 Subsequent [Member] Member ifrs-full:LaterThanFiveYearsMember
1339 Disclosure of maturity analysis for non-derivative financial liabilities [line items] LineItems ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems
1340 Contractual Obligations [Abstract] Abstract ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract
1341 Corporate debt Concept (Monetary) As Of Credit aby:LongTermAndShortTermCorporateDebt
1342 Loans with credit institutions (project debt) Concept (Monetary) As Of Credit aby:LongTermAndShortTermProjectDebtLoansWithCreditInstitutions
1343 Notes and bonds (project debt) Concept (Monetary) As Of Credit aby:LongTermAndShortTermProjectDebtNotesAndBondsIssued
1344 Purchase commitments Concept (Monetary) As Of Credit ifrs-full:ContractualCapitalCommitments
1345 Accrued interest estimate during the useful life of loans Concept (Monetary) As Of Credit ifrs-full:InterestPayable
1346 091900 - Disclosure - Third-party guarantees and commitments (Details) Network

*

*

 http://atlanticayield.com/role/ThirdpartyGuaranteesAndCommitmentsDetails
1347 Implied Table Table

*

*

 implied:Table
1348 Third-party guarantees and commitments [Abstract] Abstract aby:ThirdPartyGuaranteesAndCommitmentsAbstract
1349 Third-party Guarantees [Abstract] Abstract aby:ThirdPartyGuaranteesAbstract
1350 Bank Bond and Surety Insurance deposited as guarantee Concept (Monetary) As Of Debit aby:BankBondAndSuretyInsurance
1351 Issuance of guarantees previously issued by Abengoa Concept (Monetary) For Period ifrs-full:ProvisionOfGuaranteesOrCollateralByEntityRelatedPartyTransactions
1352 092000 - Disclosure - Other operating income and expenses (Details) Network

*

*

 http://atlanticayield.com/role/OtherOperatingIncomeAndExpensesDetails
1353 Implied Table Table

*

*

 implied:Table
1354 Other operating income and expenses [Abstract] Abstract aby:OtherOperatingIncomeAndExpensesAbstract
1355 Other operating income [Abstract] Abstract aby:OtherOperatingIncomeAbstract
1356 Grants Concept (Monetary) For Period Credit ifrs-full:RevenueFromGovernmentGrants
1357 Income from various services and insurance proceeds Concept (Monetary) For Period Credit aby:RevenueFromRenderingOfServicesAndIncomeArisingFromInsuranceContracts
1358 Income from the purchase of the long-term operation and maintenance payable to Abengoa (see Note 10) Concept (Monetary) For Period Credit aby:GainOnSettlementOfLongTermOperationAndMaintenancePayable
1359 Total Concept (Monetary) For Period Credit ifrs-full:OtherIncome
1360 Other operating expenses [Abstract] Abstract aby:OtherOperatingExpensesAbstract
1361 Leases and fees Concept (Monetary) For Period Debit ifrs-full:LeaseAndSubleasePaymentsRecognisedAsExpense
1362 Operation and maintenance Concept (Monetary) For Period Debit ifrs-full:RepairsAndMaintenanceExpense
1363 Independent professional services Concept (Monetary) For Period Debit ifrs-full:ProfessionalFeesExpense
1364 Supplies Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
1365 Insurance Concept (Monetary) For Period Debit ifrs-full:InsuranceExpense
1366 Levies and duties Concept (Monetary) For Period Debit ifrs-full:TaxExpenseOtherThanIncomeTaxExpense
1367 Other expenses Concept (Monetary) For Period Debit ifrs-full:MiscellaneousOtherOperatingExpense
1368 Total Concept (Monetary) For Period Debit ifrs-full:OtherExpenseByNature
1369 092100 - Disclosure - Financial income and expenses (Details) Network

*

*

 http://atlanticayield.com/role/FinancialIncomeAndExpensesDetails
1370 Disclosure of Financial Income and Expenses [Table] Table

*

*

 aby:DisclosureOfFinancialIncomeAndExpensesTable
1371 Legal Entity [Axis] Axis dei:LegalEntityAxis
1372 Entity [Domain] Member dei:EntityDomain
1373 Liberty [Member] Member aby:LibertyInteractiveCorporationMember
1374 Abengoa [Member] Member aby:AbengoaSAMember
1375 Disclosure of Financial Income and Expenses [Line Items] LineItems aby:DisclosureOfFinancialIncomeAndExpensesLineItems
1376 Financial income [Abstract] Abstract aby:FinancialIncomeAbstract
1377 Interest income from loans and credits Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
1378 Interest rates benefits derivatives: cash flow hedges Concept (Monetary) For Period Credit ifrs-full:GainsOnChangeInFairValueOfDerivatives
1379 Total Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
1380 Financial expenses [Abstract] Abstract aby:FinancialExpensesAbstract
1381 Expenses due to interest - Loans from credit entities Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBorrowings
1382 Expenses due to interest - Other debts Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnDebtInstrumentsIssued
1383 Interest rates losses derivatives: cash flow hedges Concept (Monetary) For Period Debit ifrs-full:LossesOnChangeInFairValueOfDerivatives
1384 Total Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
1385 Non-monetary financial income Concept (Monetary) For Period Credit aby:FinancialIncomeDebtRefinancing
1386 Increase in amortized cost Concept (Monetary) For Period Debit aby:AdjustmentInDebtAmortizationCost
1387 Other financial income / (expenses) [Abstract] Abstract aby:OtherFinancialIncomeExpensesAbstract
1388 Dividend from ACBH (Brazil) Concept (Monetary) For Period Credit aby:DividendIncomeCompensationPreferredEquityInvestment
1389 Impairment preferred equity investment in ACBH Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossOnFinancialAssets
1390 Other financial income Concept (Monetary) For Period Credit ifrs-full:OtherFinanceIncome
1391 Other financial losses Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
1392 Total Concept (Monetary) For Period Credit ifrs-full:OtherFinanceIncomeCost
1393 Dividends retained from Abengoa Concept (Monetary) For Period Credit aby:DividendsRetained
1394 Other financial income resulting from termination of currency swap agreement Concept (Monetary) For Period Credit aby:OtherFinancialIncomeResultingFromTerminationOfCurrencySwapAgreement
1395 092200 - Disclosure - Earnings per share (Details) Network

*

*

 http://atlanticayield.com/role/EarningsPerShareDetails
1396 Implied Table Table

*

*

 implied:Table
1397 Earnings per share [Abstract] Abstract ifrs-full:EarningsPerShareAbstract
1398 Profit/(loss) from continuing operations attributable to Atlantica Yield Plc. Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity
1399 Profit/(loss) from discontinuing operations attributable to Atlantica Yield Plc. Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity
1400 Average number of ordinary shares outstanding (thousands) - basic and diluted (in shares) Concept (Shares) For Period ifrs-full:WeightedAverageShares
1401 Earnings per share from continuing operations - basic and diluted (in dollars per share) Concept (Share) For Period ifrs-full:BasicAndDilutedEarningsLossPerShareFromContinuingOperations
1402 Earnings per share from discontinuing operations - basic and diluted (in dollars per share) Concept (Share) For Period ifrs-full:BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations
1403 Earnings per share from profit/ (loss) for the period - basic and diluted (in dollars per share) Concept (Share) For Period ifrs-full:BasicAndDilutedEarningsLossPerShare
1404 092300 - Disclosure - Other information (Details) Network

*

*

 http://atlanticayield.com/role/OtherInformationDetails
1405 Disclosure of non-adjusting events after reporting period [table] Table

*

*

 ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable
1406 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1407 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
1408 Approved Dividend [Member] Member aby:AnnouncementOfDeclaredDividendsApprovedMember
1409 Business Combination [Member] Member ifrs-full:MajorBusinessCombinationMember
1410 Legal Entity [Axis] Axis dei:LegalEntityAxis
1411 Entity [Domain] Member dei:EntityDomain
1412 PG&E [Member] Member aby:PacificGasAndElectricMember
1413 Intangible assets material to entity [axis] Axis ifrs-full:IntangibleAssetsMaterialToEntityAxis
1414 Intangible assets material to entity [member] Member ifrs-full:IntangibleAssetsMaterialToEntityMember
1415 Contracted Concessional Assets [Member] Member aby:ContractedConcessionalAssetsMember
1416 Mojave [Member] Member aby:MojaveMember
1417 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1418 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1419 Befesa Agua Tenes, S.L.U. [Member] Member aby:BefesaAguaTenesSLUMember
1420 Disclosure of non-adjusting events after reporting period [line items] LineItems ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
1421 Subsequent Events [Abstract] Abstract ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract
1422 Dividends declared (in dollars per share) Concept (Share) For Period ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare
1423 Dividend approved expected date to be paid Concept (Date) For Period aby:DividendPayableDateToBePaidDayMonthAndYear1
1424 Period to assume PPA to avoid default Concept (xbrli:durationItemType) For Period aby:PeriodOfTimeRequiredToAssumePowerPurchaseAgreementWithinFilingForBankruptcyRequiredToAvoidDefault
1425 Extendable period to assume PPA to avoid default Concept (xbrli:durationItemType) For Period aby:ExtendedPeriodOfTimeRequiredToAssumePowerPurchaseAgreementWithinFilingForBankruptcyRequiredToAvoidDefault
1426 Amount outstanding under project financing agreement Concept (Monetary) As Of Credit aby:LongTermAndShortTermProjectDebt
1427 Percentage of project level cash available for distribution Concept (Percent) For Period aby:ProjectFinancingPercentageOfCashAvailableForDistribution
1428 Ownership interest Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
1429 Equity value of agreed price Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfEquityInterestInAcquireeHeldByAcquirerImmediatelyBeforeAcquisitionDate
1430 Consideration payment advanced Concept (Monetary) As Of Credit ifrs-full:CashTransferred
1431 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1432 092300 - Disclosure - Other information (Details) Network

*

*

 http://atlanticayield.com/role/OtherInformationDetails
1433 Implied Table Table

*

*

 implied:Table
1434 Other information [Abstract] Abstract aby:OtherInformationAbstract
1435 Restricted Net Assets [Abstract] Abstract aby:RestrictedNetAssetsAbstract
1436 Restricted net assets Concept (Monetary) As Of Debit aby:RestrictedNetAssets
1437 092400 - Schedule - Schedule I, Condensed Financial Statements, of condensed financial position (Details) Network

*

*

 http://atlanticayield.com/role/ScheduleICondensedFinancialStatementsOfCondensedFinancialPositionDetails
1438 Schedule of Condensed Financial Information of Parent Company [Table] Table

*

*

 aby:ScheduleOfCondensedFinancialInformationOfParentCompanyTable
1439 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
1440 Consolidated [member] Member ifrs-full:ConsolidatedMember
1441 Parent Company [Member] Member ifrs-full:ParentMember
1442 Condensed Financial Information of Parent Company [Line Items] LineItems aby:CondensedFinancialInformationOfParentCompanyLineItems
1443 Condensed statements of financial position [Abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
1444 Assets [Abstract] Abstract ifrs-full:AssetsAbstract
1445 Investment in affiliates Concept (Monetary) As Of Debit ifrs-full:InvestmentsInAssociatesAccountedForUsingEquityMethod
1446 Loans to affiliates Concept (Monetary) As Of Debit aby:LoansToAffiliates
1447 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1448 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
1449 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
1450 Liabilities and Equity [Abstract] Abstract ifrs-full:EquityAndLiabilitiesAbstract
1451 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
1452 Notes and bonds Concept (Monetary) As Of Credit ifrs-full:NotesAndDebenturesIssued
1453 Intercompany liabilities Concept (Monetary) As Of Credit aby:IntercompanyLiabilities
1454 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
1455 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1456 Common Stock Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
1457 Additional paid-in capital Concept (Monetary) As Of Credit ifrs-full:SharePremium
1458 Distributable reserves Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
1459 Other reserves Concept (Monetary) As Of Credit ifrs-full:OtherReserves
1460 Accumulated gains (losses)-net Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
1461 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
1462 Total equity and liabilities Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
1463 092402 - Schedule - Schedule I, Condensed Financial Statements, of condensed income statements (Details) Network

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 http://atlanticayield.com/role/ScheduleICondensedFinancialStatementsOfCondensedIncomeStatementsDetails
1464 Schedule of Condensed Financial Information of Parent Company [Table] Table

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 aby:ScheduleOfCondensedFinancialInformationOfParentCompanyTable
1465 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
1466 Consolidated [member] Member ifrs-full:ConsolidatedMember
1467 Parent Company [Member] Member ifrs-full:ParentMember
1468 Condensed Financial Information of Parent Company [Line Items] LineItems aby:CondensedFinancialInformationOfParentCompanyLineItems
1469 Condensed income statements [Abstract] Abstract ifrs-full:IncomeStatementAbstract
1470 Income from [Abstract] Abstract ifrs-full:RevenueAbstract
1471 Services Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfServices
1472 Other financial income Concept (Monetary) For Period Credit ifrs-full:OtherRevenue
1473 Total income Concept (Monetary) For Period Credit ifrs-full:Revenue
1474 Expenses [Abstract] Abstract ifrs-full:ExpenseByNatureAbstract
1475 Other operating expenses Concept (Monetary) For Period Debit ifrs-full:OtherExpenseByNature
1476 Interest Concept (Monetary) For Period Debit ifrs-full:InterestExpense
1477 Other financial expenses Concept (Monetary) For Period Debit ifrs-full:OtherFinanceCost
1478 Total expenses Concept (Monetary) For Period Debit ifrs-full:ExpenseByNature
1479 Profit/(loss) before income tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1480 Income tax benefits/(expense) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1481 Profit/(loss) for the year attributable to the Company Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1482 092404 - Schedule - Schedule I, Condensed Financial Statements, of condensed other comprehensive income statement (Details) Network

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 http://atlanticayield.com/role/ScheduleICondensedFinancialStatementsOfCondensedOtherComprehensiveIncomeStatementDetails
1483 Schedule of Condensed Financial Information of Parent Company [Table] Table

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 aby:ScheduleOfCondensedFinancialInformationOfParentCompanyTable
1484 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
1485 Consolidated [member] Member ifrs-full:ConsolidatedMember
1486 Parent Company [Member] Member ifrs-full:ParentMember
1487 Condensed Financial Information of Parent Company [Line Items] LineItems aby:CondensedFinancialInformationOfParentCompanyLineItems
1488 Other comprehensive income statement [Abstract] Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
1489 Profit/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1490 Items that may be subject to transfer to income statement [Abstract] Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract
1491 Change in fair value of cash flow hedges Concept (Monetary) For Period Credit aby:OtherComprehensiveIncomeBeforeTaxGainsLossesOnCashFlowHedges
1492 Net income/(expenses) recognized directly in equity Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax
1493 Cash flow hedges Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax
1494 Transfer to income statement Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
1495 Other comprehensive income/(loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
1496 Total comprehensive income/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
1497 092406 - Schedule - Schedule I, Condensed Financial Statements, of condensed cash flow statements (Details) Network

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 http://atlanticayield.com/role/ScheduleICondensedFinancialStatementsOfCondensedCashFlowStatementsDetails
1498 Schedule of Condensed Financial Information of Parent Company [Table] Table

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 aby:ScheduleOfCondensedFinancialInformationOfParentCompanyTable
1499 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
1500 Consolidated [member] Member ifrs-full:ConsolidatedMember
1501 Parent Company [Member] Member ifrs-full:ParentMember
1502 Condensed Financial Information of Parent Company [Line Items] LineItems aby:CondensedFinancialInformationOfParentCompanyLineItems
1503 Condensed cash flow statements [Abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
1504 Cash Flow from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
1505 Cash Flow-investing activities [Abstract] Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
1506 Decrease (increase) in investment and advance to affiliates Concept (Monetary) For Period Debit aby:DecreaseIncreaseInInvestmentsInAndAdvancesToAffiliates
1507 Net decrease (increase) in other assets Concept (Monetary) For Period Debit aby:NetDecreaseIncreaseInOtherAssetsClassifiedAsInvestingActivities
1508 B. Net cash (used in)/provided by investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
1509 Cash Flow-financing activities [Abstract] Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
1510 Net increase/(decrease) in borrowings and other liabilities Concept (Monetary) For Period Debit aby:NetIncreaseDecreaseInBorrowingsAndOtherLiabilities
1511 Dividend paid to shareowner Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities
1512 Capital increase and other Concept (Monetary) For Period Debit aby:ProceedsFromIssuingSharesAndOtherFinancingActivities
1513 C. Net cash provided by/(used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
1514 Net increase/(decrease) in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
1515 Cash, cash equivalents and bank overdrafts at beginning of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1516 Cash and cash equivalents at the end of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1517 092408 - Schedule - Schedule I, Condensed Financial Statements, Notes (Details) Network

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 http://atlanticayield.com/role/ScheduleICondensedFinancialStatementsNotesDetails
1518 Schedule of Condensed Financial Information of Parent Company [Table] Table

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 aby:ScheduleOfCondensedFinancialInformationOfParentCompanyTable
1519 Consolidated and separate financial statements [axis] Axis ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis
1520 Consolidated [member] Member ifrs-full:ConsolidatedMember
1521 Parent [Member] Member ifrs-full:ParentMember
1522 Condensed Financial Information of Parent Company [Line Items] LineItems aby:CondensedFinancialInformationOfParentCompanyLineItems
1523 Basis of Presentation [Abstract] Abstract aby:BasisOfPresentationAbstract
1524 Cash dividend receivable from subsidiaries Concept (Monetary) As Of Debit aby:DividendReceivablesFromSubsidiaries
1525 Profit/(Loss) Reconciliation [Abstract] Abstract aby:ProfitLossReconciliationAbstract
1526 Profit/(loss) for the period Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1527 Additional profit/(loss) if subsidiaries had been accounted for using the equity method of accounting as opposed to cost method Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
1528 Equity Reconciliation [Abstract] Abstract aby:EquityReconciliationAbstract
1529 Shareholders equity Concept (Monetary) As Of Credit ifrs-full:Equity
1530 Additional shareholders equity if subsidiaries had been accounted for using the equity method of accounting as opposed to cost method Concept (Monetary) As Of Debit aby:AdditionalShareholdersEquityUnderEquityMethodOfAccounting

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