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Asset Impairment Expense (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | May 15, 2024 | Mar. 31, 2024
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of | $ (154) |  | $ 38 | $ (105) | $ 84 |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Jordan (IPP1 & IPP4) |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Disposal Group Not Discontinued Operation Ownership Interest Sold |  |  | 26.00% |  | 26.00% |  |  | 26.00%
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | AES Brasil [Domain] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Disposal Group Not Discontinued Operation Ownership Interest Sold |  |  |  |  |  | 47.30% |  |
Assets carrying amount disclosure nonrecurring, prior to impairment |  |  |  |  |  |  | $ 1,577 |
Fair Value, Net Asset (Liability) |  |  |  |  |  |  | $ 1,552 |
Other Subsidiaries [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of | 3 |  | $ 0 | 4 | $ 2 |  |  |
AES Clean Energy Development |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of | 86 |  | 7 | 117 | 14 |  |  |
AES Clean Energy Development | Clean Energy |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of | 51 |  |  |  |  |  |  |
Mong Duong held-for-sale |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of |  | $ 17 | 6 |  | 43 |  |  |
Impairment Charge on Reclassified Assets | 243 |  |  |  |  |  |  |
Mong Duong held-for-sale | Measurement Input, Cost to Sell |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Impairment Charge on Reclassified Assets | 4 |  |  |  |  |  |  |
Mong Duong held-for-sale | Long Lived Assets held and Used |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Impairment Charge on Reclassified Assets | 239 |  |  |  |  |  |  |
Mong Duong held-for-sale | Disposal Group, Not Discontinued Operations [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Impairment Charge on Reclassified Assets |  |  |  | 226 |  |  |  |
AES Brasil [Domain] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of | $ 0 |  | $ 25 | $ 0 | $ 25 |  |  |

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