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Debt - Subsidiary Non-recourse Debt in Default or Accelerated (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | --- | ---
Nonrecourse Debt Default [Line Items] |  |  |  |
Debt Default Amount |  | $ 171 |  |
Materiality threshold for cash distribution from business to Parent |  | 20.00% |  |
Debt defaults at risk of causing cross default |  | 0 |  |
Property, Plant and Equipment, Net |  | $ 36,511 |  | $ 33,166
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Dominican Republic Renewables |  |  |  |
Nonrecourse Debt Default [Line Items] |  |  |  |
Disposal Group Not Discontinued Operation Ownership Interest Sold |  | 50.00% |  |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Ventanas |  |  |  |
Nonrecourse Debt Default [Line Items] |  |  |  |
Disposal Group Not Discontinued Operation Ownership Interest Sold |  |  | 100.00% |
Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations | Mong Duong Subsidiary [Member] |  |  |  |
Nonrecourse Debt Default [Line Items] |  |  |  |
Disposal Group Not Discontinued Operation Ownership Interest Sold |  | 51.00% |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Dominican Republic Renewables |  |  |  |
Nonrecourse Debt Default [Line Items] |  |  |  |
Divestiture of Business, sales price |  | $ 103 |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Ventanas |  |  |  |
Nonrecourse Debt Default [Line Items] |  |  |  |
Divestiture of Business, sales price |  |  | $ 5 |
Covenant and Payment Violation | AES Puerto Rico |  |  |  |
Nonrecourse Debt Default [Line Items] |  |  |  |
Debt Default Amount |  | 144 |  |
Net Assets |  | 397 |  |
Covenant Violation [Member] | AES llumina [Member] |  |  |  |
Nonrecourse Debt Default [Line Items] |  |  |  |
Debt Default Amount |  | 20 |  |
Net Assets |  | (32) |  |
Covenant Violation [Member] | Jordan (IPP1 & IPP4) |  |  |  |
Nonrecourse Debt Default [Line Items] |  |  |  |
Debt Default Amount | [1] | 6 |  |
Net Assets | [1] | (13) |  |
Covenant Violation [Member] | Mount Olive Solar |  |  |  |
Nonrecourse Debt Default [Line Items] |  |  |  |
Debt Default Amount |  | 1 |  |
Net Assets |  | $ 0 |  |
[1] |
Subsidiary |  | Primary Nature of Default |  | Debt in Default |  | Net Assets (Liabilities)
AES Puerto Rico |  | Payment |  | $ | 144 |  |  | $ | (397) |
AES Ilumina (Puerto Rico) |  | Covenant |  | 20 |  |  | 32 |
AES Jordan Solar |  | Covenant |  | 6 |  |  | 13 |
Mount Olive Solar (AES Clean Energy Development) (1) |  | Covenant |  | 1 |  |  | — |
Total |  |  |  | $ | 171 |  |  |
___________________________ (1) Net Assets at Mount Olive Solar are less than $1 million. AES Puerto Rico is in payment default on its long-term debt and preferred shares due to failure to implement the cash sweep mechanism in accordance with the terms of the loan agreements. AES Puerto Rico is working with the noteholders to resolve this matter. All other subsidiary defaults listed are not payment defaults, but are instead technical defaults

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