The amount of cash held to satisfy the customary requirements of certain non-recourse debt agreements.

No definition available.

Name:	aby_CashHeldForNonRecourseDebt
Namespace Prefix:	aby_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

- 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

- Definition

The non-current portion of non-current project debt issued at the project level under project finance.

+ References

No definition available.

+ Details

Name:	aby_NoncurrentPortionOfNoncurrentProjectDebt
Namespace Prefix:	aby_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of loan agreements.

+ References

No definition available.

+ Details

Name:	aby_NumberOfLoanAgreements
Namespace Prefix:	aby_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The refinanced amount of project debt.

+ References

No definition available.

+ Details

Name:	aby_ProjectDebtAmountRefinanced
Namespace Prefix:	aby_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maturity of borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_7&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_BorrowingsMaturity
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ifrs-full_BorrowingsByNameAxis=aby_GreenSeniorNotesTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Project debt, Details of project debt (Details) $ in Thousands, € in Millions		9 Months Ended
	Feb. 24, 2023	Sep. 30, 2023 USD ($) Agreement	Mar. 31, 2023 EUR (€)	Dec. 31, 2022 USD ($)
Project debt [Abstract]
Cash held to satisfy non-recourse debt agreements		$ 209,000		$ 208,000
Non-current		4,012,592		4,226,518
Current		399,472		326,534
Total Project debt		$ 4,412,064		$ 4,553,052
Maturity date	February 24, 2028
Green Senior Notes [Member]
Project debt [Abstract]
Number of loan agreements \| Agreement		2
Project debt financed amount \| €			€ 198.0
Maturity date		June 2037