v3.24.1.u1

Subsequent events (Details) - USD ($) $ / shares in Units, $ in Millions |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 07, 2024 | Apr. 30, 2024 | Dec. 31, 2023
Subsequent Events [Abstract] |  |  |
Ownership interest |  |  | 70.00%
Subsequent Events [Member] |  |  |
Subsequent Events [Abstract] |  |  |
Ownership interest |  | 30.00% |
Expected net proceeds from sales of interests in associates |  | $ 43 |
Dividend declaration date | May 07, 2024 |  |
Dividend approved (in dollars per share) | $ 0.445 |  |
Dividend approved expected date to be paid | Jun. 14, 2024 |  |
Subsequent Events [Member] | Top of Range [Member] |  |  |
Subsequent Events [Abstract] |  |  |
Additional proceeds from sales of interests in associates |  | $ 7 |

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

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- 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 expected cash inflow from sales of interests in associates. + References No definition available. + Details
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Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The expected cash inflow from through earn-out mechanism from sale of interest in associate. + References No definition available. + Details
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Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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Data Type: | xbrli:stringItemType
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Period Type: | duration

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- 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
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Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition The proportion of the voting rights in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph 12 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_12_d&doctype=Standard -URIDate 2023-03-23 + Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |