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Asset Impairment Expense (Tables) | 6 Months Ended
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Jun. 30, 2026
Tangible Asset Impairment Charges [Abstract] |
Long-Lived Asset, Held and Used, Impairment [Table Text Block] | The following table presents our asset impairment expense (reversals) for the periods indicated (in millions):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2026 |  | 2025 |  | 2026 |  | 2025
AES Clean Energy Development Projects | $ | 32 |  |  | $ | 86 |  |  | $ | 38 |  |  | $ | 117 |
Mong Duong | — |  |  | (243) |  |  | — |  |  | (226) |
Other | (2) |  |  | 3 |  |  | 4 |  |  | 4 |
Total | $ | 30 |  |  | $ | (154) |  |  | $ | 42 |  |  | $ | (105) |

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- Definition Tabular disclosure of impairment for long-lived asset held and used. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-2 + Details
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