v3.22.4

Project debt, Variations of project debt (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Project debt [Abstract] |  |
Cash held to satisfy non-recourse debt agreements | $ 208,000 | $ 254,000
Total Project Debt [Abstract] |  |
Beginning balance | 5,036,193 | 5,237,614
Increases | 269,481 | 311,489
Payments | (616,962) | (649,862)
Business combinations (Note 5) | 1,449 | 327,133
Currency translation differences | (137,109) | (190,181)
Reclassifications | 0 | 0
Ending balance | 4,553,052 | 5,036,193
Project debt [Abstract] |  |
Decrease in project debt during period |  | (327,000)
Current project debt | 326,534 | 648,519
Project Debt - Long-term [Member] |  |
Total Project Debt [Abstract] |  |
Beginning balance | 4,387,674 | 4,925,268
Increases | 39,161 | 54,908
Payments | (73,478) | (85,259)
Business combinations (Note 5) | 1,301 | 288,352
Currency translation differences | (119,068) | (140,502)
Reclassifications | (9,072) | (655,093)
Ending balance | 4,226,518 | 4,387,674
Project Debt - Short-term [Member] |  |
Total Project Debt [Abstract] |  |
Beginning balance | 648,519 | 312,346
Increases | 230,320 | 256,581
Payments | (543,484) | (564,603)
Business combinations (Note 5) | 148 | 38,781
Currency translation differences | (18,041) | (49,679)
Reclassifications | 9,072 | 655,093
Ending balance | $ 326,534 | 648,519
Kaxu [Member] |  |
Project debt [Abstract] |  |
Current project debt |  | $ 314,000

X
- Definition The amount of cash held to satisfy the customary requirements of certain non-recourse debt agreements. + References No definition available. + Details
Name: | aby_CashHeldForNonRecourseDebt
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of exchange gains (losses) that arise from foreign currency transactions on long-term and short-term project debt. + References No definition available. + Details
Name: | aby_CurrencyTranslationGainsLossesOnProjectDebt
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition The increase (decrease) in the current and non-current portions of project debt from financing of business combinations issued at the project level under project finance. + References No definition available. + Details
Name: | aby_IncreaseDecreaseInProjectDebtThroughBusinessCombinations
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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
- Definition The cash inflow from non-current and current borrowings obtained. + References No definition available. + Details
Name: | aby_ProceedsFromBorrowings
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition The amount of current and non-current project debt assumed through business combinations. + References No definition available. + Details
Name: | aby_ProjectDebtLiabilitiesAssumedThroughBusinessCombinations
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of project debt reclassified between short-term and long-term. + References No definition available. + Details
Name: | aby_ReclassificationOfProjectDebt
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow to settle non-current and current borrowings. + References No definition available. + Details
Name: | aby_RepaymentsOfBorrowings
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=aby_LongTermProjectDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=ifrs-full_ShorttermBorrowingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_IntangibleAssetsMaterialToEntityAxis=aby_KaxuMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |