v3.24.1.u1

Derivative financial instruments (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Breakdown of fair value amount of derivative financial instruments [Abstract] |  |  |
Gain (loss) on cash flow hedges | $ (5,957) | $ (6,069) |
Cash Flow Hedge [Member] |  |  |
Breakdown of fair value amount of derivative financial instruments [Abstract] |  |  |
Assets | 75,142 |  | $ 61,697
Liabilities | $ 22,308 |  | 29,957
Interest Rate Derivatives [Member] | Euros [Member] |  |  |
Breakdown of fair value amount of derivative financial instruments [Abstract] |  |  |
Percent of notional amount of debt hedged in next 12 months | 100.00% |  |
Percentage of notional amount of debt hedged in year two | 75.00% |  |
Interest Rate Derivatives [Member] | Cash Flow Hedge [Member] |  |  |
Breakdown of fair value amount of derivative financial instruments [Abstract] |  |  |
Assets | $ 73,005 |  | 60,102
Liabilities | 22,193 |  | 29,163
Gain (loss) on cash flow hedges | 6,000 | $ 6,100 |
After-tax result accumulated in equity | 323,900 |  | 308,000
Foreign Exchange Derivative Instruments [Member] | Cash Flow Hedge [Member] |  |  |
Breakdown of fair value amount of derivative financial instruments [Abstract] |  |  |
Assets | 2,137 |  | 1,595
Liabilities | 0 |  | 0
Notes Conversion Option [Member] | Cash Flow Hedge [Member] |  |  |
Breakdown of fair value amount of derivative financial instruments [Abstract] |  |  |
Assets | 0 |  | 0
Liabilities | $ 115 |  | $ 794

X
- Definition The percentage of the notional amount of the entity's debt hedged with interest rate swaps and options for next twelve months. + References No definition available. + Details
Name: | aby_PercentageOfNotionalAmountOfDebtHedgedInNextTwelveMonths
Namespace Prefix: | aby_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of the notional amount of the entity's debt hedged with interest rate swaps and options for year two. + References No definition available. + Details
Name: | aby_PercentageOfNotionalAmountOfDebtHedgedInYearTwo
Namespace Prefix: | aby_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The gains (losses) recognised in other comprehensive income on cash flow hedges, before tax, before reclassification adjustments. [Refer: Cash flow hedges [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 91 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_91_b&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of a hedging instrument, recognised as an asset. [Refer: Hedging instruments [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 24A -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24A_a&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_HedgingInstrumentAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of a hedging instrument, recognised as a liability. [Refer: Hedging instruments [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 24A -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24A_a&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_HedgingInstrumentLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A component of equity representing the reserve of cash flow hedges in relation to continuing hedges. [Refer: Reserve of cash flow hedges] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 24B -Subparagraph b -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24B_b_ii&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ReserveOfCashFlowHedgesContinuingHedges
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_TypesOfHedgesAxis=ifrs-full_CashFlowHedgesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_InterestRateRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_EUR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_CurrencyRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_EquityPriceRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |