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Risks and Uncertainties (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Jun. 30, 2022
Mountain View Power Partners |  |
Unusual Risk or Uncertainty [Line Items] |  |
Assets Carrying Amount Disclosure Nonrecurring |  | $ 11
Alto Maipo [Member] |  |
Unusual Risk or Uncertainty [Line Items] |  |
Deconsolidation, Revaluation of Retained Investment, Gain (Loss), Amount | $ 1,200 |

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- Definition This element represents the aggregate carrying amount of the assets measured at fair value on a nonrecurring basis by the entity before the recognition of impairment charges. + References No definition available. + Details
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Namespace Prefix: | aes_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of gain (loss) from remeasurement to fair value of retained investment in former subsidiary and group of assets constituting business or nonprofit activity deconsolidated and derecognized, excluding conveyance of oil and gas mineral rights and transfer of product or service in contract with customer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1B -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684 + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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- Details
Name: | dei_LegalEntityAxis=aes_MountainViewPowerPartnersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=aes_AltoMaipoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |