v3.22.0.1

Project debt, Movement in project debt, split between cash and non-cash items (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Project debt [Abstract]
Beginning balance	$ 5,237,614	$ 4,852,348
Cash changes	(636,831)	(254,495)
Non-cash changes	435,410	639,761
Ending balance	$ 5,036,193	$ 5,237,614

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 change due to current and non-current portions of project debt issued at the project level under project finance during the period - cash movement.

+ References

No definition available.

+ Details

Name:	aby_MovementInLongTermAndShortTermProjectDebtCashCharges
Namespace Prefix:	aby_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The change due to current and non-current portions of project debt issued at the project level under project finance during the period - non-cash movement.

+ References

No definition available.

+ Details

Name:	aby_MovementInLongTermAndShortTermProjectDebtNonCashCharges
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