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Debt - Subsidiary Non-recourse Debt in Default or Accelerated (Details) $ in Millions | Jun. 30, 2026 USD ($)
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Nonrecourse Debt Default [Line Items] |
Debt Default Amount | $ 19
Materiality threshold for cash distribution from business to Parent | 20.00%
Debt defaults at risk of causing cross default | 0
Mount Olive Solar |
Nonrecourse Debt Default [Line Items] |
Debt Default Amount | $ 1
Covenant Violation [Member] | AES llumina [Member] |
Nonrecourse Debt Default [Line Items] |
Debt Default Amount | 19
Net Assets | (33)
Covenant Violation [Member] | Mount Olive Solar |
Nonrecourse Debt Default [Line Items] |
Debt Default Amount | 0
Net Assets | $ (1)

X
- Definition Amount of outstanding debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured. + References No definition available. + Details
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Namespace Prefix: | aes_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition debt defaults at risk of causing cross default + References No definition available. + Details
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Namespace Prefix: | aes_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Materiality threshold for cash distribution from business to Parent + References No definition available. + Details
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Namespace Prefix: | aes_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
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Namespace Prefix: | aes_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of net assets (liabilities). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479938/205-30-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479910/205-30-50-1 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | aes_TypeOfDebtDefaultAxis=aes_CovenantViolationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | aes_DebtDefaultBySubsidiaryAxis=aes_AESlluminaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |