v3.20.4

Corporate debt, Movement in corporate debt, split between cash and non-cash items (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Corporate debt [Abstract] |  |
Initial balance | $ 723,791 | $ 684,073
Cash flow | 171,182 | 6,620
Non-cash changes | 98,752 | 33,098
Final balance | $ 993,725 | $ 723,791

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

X
- Definition The current and non-current portions of credit facilities with financial entities, notes and bonds received at the corporate parent level. + References No definition available. + Details
Name: | aby_LongTermAndShortTermCorporateDebt
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The change in current and non-current portions of credit facilities with financial entities, notes and bonds received at the corporate parent level during the period. + References No definition available. + Details
Name: | aby_MovementInLongTermAndShortTermCorporateDebtCashFlows
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The change due to non-cash charges in current and non-current portions of credit facilities with financial entities, notes and bonds received at the corporate parent level during the period. + References No definition available. + Details
Name: | aby_MovementInLongTermAndShortTermCorporateDebtNonCashCharges
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration