v3.23.3

Subsequent events (Details) - USD ($) $ / shares in Units, $ in Thousands | Nov. 07, 2023 | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Subsequent Events [Abstract] |  |  |
Project debt |  | $ 4,412,064 | $ 4,553,052
Chile PV 2 [Member] |  |  |
Subsequent Events [Abstract] |  |  |
Project debt |  | $ 21,500 |
Subsequent Events [Member] |  |  |
Subsequent Events [Abstract] |  |  |
Dividend declaration date | Nov. 07, 2023 |  |
Dividend approved (in dollars per share) | $ 0.445 |  |
Dividend approved expected date to be paid | Dec. 15, 2023 |  |

X
- Definition Date the declared dividend will be paid, in CCYY-MM-DD format. + References No definition available. + Details
Name: | aby_DividendPayableDateToBePaidDayMonthAndYear1
Namespace Prefix: | aby_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the dividend to be paid was declared, in CCYY-MM-DD format. + References No definition available. + Details
Name: | aby_DividendsPayableDeclarationDateDayMonthAndYear
Namespace Prefix: | aby_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition The current and non-current portions of project debt issued at the project level under project finance. + References No definition available. + Details
Name: | aby_LongTermAndShortTermProjectDebt
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition The amount, per share, of dividends proposed or declared before financial statements were authorised for issue but not recognised as distribution to owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 137 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_137_a&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_BusinessCombinationsAxis=aby_ChilePV2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=aby_SubsequentEventsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |