v3.24.0.1

Significant accounting policies, Revenue Recognition (Details) | 12 Months Ended
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Dec. 31, 2023
Spain [Member] |
Revenue Recognition [Abstract] |
Percentage of receiving a remuneration based on reasonable rate of return on assets | 7.09%
Other [Member] |
Revenue Recognition [Abstract] |
Percentage of receiving a remuneration based on reasonable rate of return on assets | 7.398%

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- Definition The percentage of remuneration based on reasonable rate of return on assets. + References No definition available. + Details
Name: | aby_PercentageOfRemunerationBasedOnReasonableRateOfReturnOnAssets
Namespace Prefix: | aby_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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

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- Details
Name: | srt_StatementGeographicalAxis=country_ES
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=aby_OtherCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |