v3.24.0.1

Project debt, Movement in project debt and Significant foreign currency denominated debts (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Project debt [Abstract] |  |  |
Project debt | $ 4,319,260 | $ 4,553,052 | $ 5,036,193
Euro [Member] |  |  |
Project debt [Abstract] |  |  |
Project debt | 1,571,369 | 1,633,790 |
South African Rand [Member] |  |  |
Project debt [Abstract] |  |  |
Project debt | 233,854 | 277,492 |
Algerian Dinar [Member] |  |  |
Project debt [Abstract] |  |  |
Project debt | 76,277 | 86,739 |
All Foreign Currencies [Member] |  |  |
Project debt [Abstract] |  |  |
Project debt | $ 1,881,500 | $ 1,998,021 |

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- 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

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

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

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

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

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