XML 156 R131.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Benefit Plans (Plan Asset Allocations) (Details) | Dec. 31, 2024 Rate | Dec. 31, 2023 Rate
--- | --- | ---
UNITED STATES |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percentage of Plan Assets | 100.00% | 100.00%
Foreign Plan [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percentage of Plan Assets | 100.00% | 100.00%
Equity Securities [Member] | UNITED STATES |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocations | 21.80% |
Percentage of Plan Assets | 22.00% | 21.80%
Equity Securities [Member] | Foreign Plan [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocations | 0.00% |
Percentage of Plan Assets | 0.00% | 5.30%
Debt Securities [Member] | UNITED STATES |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocations | 78.20% |
Percentage of Plan Assets | 77.00% | 77.60%
Debt Securities [Member] | Foreign Plan [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocations | 100.00% |
Percentage of Plan Assets | 100.00% | 89.30%
Real estate | UNITED STATES |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocations | 0.00% |
Percentage of Plan Assets | 0.00% | 0.00%
Real estate | Foreign Plan [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocations | 0.00% |
Percentage of Plan Assets | 0.00% | 0.80%
Other | UNITED STATES |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocations | 0.00% |
Percentage of Plan Assets | 1.00% | 0.60%
Other | Foreign Plan [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocations | 0.00% |
Percentage of Plan Assets | 0.00% | 4.60%

X
- 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
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=us-gaap_ForeignPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=aes_OtherPlanInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |