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Held-for-Sale and Dispositions Dispositions (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2020 | Sep. 30, 2024 | Sep. 30, 2023 | Jun. 30, 2024 | May 15, 2024 | Dec. 31, 2023 | Jun. 30, 2023
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Proceeds from Divestiture of Businesses and Interests in Affiliates |  |  |  | $ 11 | $ 98 |  |  |  |
Gain (loss) on disposal and sale of businesses interests | $ 1 | $ 0 |  | (43) | 4 |  |  |  |
Property, Plant and Equipment, Net | $ 32,354 |  |  | $ 32,354 |  |  |  | $ 29,958 |
Hoosier Wind |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 100.00% |  |  | 100.00% |  |  |  |  |
Jordan (IPP1 & IPP4) |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  | 10.00% |  |  |
Mong Duong held-for-sale |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Debt, Long-Term and Short-Term, Combined Amount | $ 582 |  |  | $ 582 |  |  |  |  |
Brazil held-for-sale |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Debt, Long-Term and Short-Term, Combined Amount | 2,200 |  |  | 2,200 |  |  |  |  |
Property, Plant and Equipment, Net | 2,200 |  |  | 2,200 |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Jordan (IPP1 & IPP4) |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Gain (loss) on disposal and sale of businesses interests |  |  |  | (10) |  |  |  |  |
Net proceeds received from sale of businesses |  |  |  | 45 |  |  |  |  |
Divestiture of Business, sales price | 58 |  |  | 58 |  |  |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Income (Loss) from Individually Significant Component Disposed of or Held-for-sale, Excluding Discontinued Operations, Attributable to Parent, before Income Tax | 21 | 20 |  | 31 | 66 |  |  |  |
Income (Loss) from Individually Significant Component Disposed of or Held-for-Sale, Excluding Discontinued Operations, before Income Tax | 48 | 48 |  | 76 | 154 |  |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Mong Duong Subsidiary [Member] |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Income (Loss) from Individually Significant Component Disposed of or Held-for-sale, Excluding Discontinued Operations, Attributable to Parent, before Income Tax | 10 | 8 |  | 27 | 32 |  |  |  |
Income (Loss) from Individually Significant Component Disposed of or Held-for-Sale, Excluding Discontinued Operations, before Income Tax | $ 23 | $ 20 |  | $ 63 | $ 74 |  |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Jordan (IPP1 & IPP4) |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Proceeds from Divestiture of Businesses and Interests in Affiliates |  |  | $ 58 |  |  |  |  |  |
Disposal Group Not Discontinued Operation Ownership Interest Sold | 26.00% | 24.00% | 26.00% | 26.00% | 24.00% |  |  |  | 49.00%
Sale of Stock, Percentage of Ownership after Transaction |  |  |  | 10.00% |  |  |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Mong Duong Financing SPV |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Disposal Group Not Discontinued Operation Ownership Interest Sold | 51.00% |  |  | 51.00% |  |  |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Mong Duong held-for-sale |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring | $ 395 |  |  | $ 395 |  |  |  |  |
Disposal Group Not Discontinued Operation Ownership Interest Sold | 51.00% |  |  | 51.00% |  |  |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Brazil held-for-sale |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Income (Loss) from Individually Significant Component Disposed of or Held-for-sale, Excluding Discontinued Operations, Attributable to Parent, before Income Tax | $ 11 | $ 12 |  | $ 4 | $ 34 |  |  |  |
Income (Loss) from Individually Significant Component Disposed of or Held-for-Sale, Excluding Discontinued Operations, before Income Tax | 25 | 28 |  | 13 | 80 |  |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | AES Brasil [Domain] |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring | $ 1,300 |  |  | $ 1,300 |  |  | $ 1,339 |  |
Disposal Group Not Discontinued Operation Ownership Interest Sold | 47.30% |  |  | 47.30% |  |  |  |  |
Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations | Mong Duong Subsidiary [Member] |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Disposal Group Not Discontinued Operation Ownership Interest Sold | 51.00% |  |  | 51.00% |  |  |  |  |
Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Spinoff | Mong Duong held-for-sale |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Long term Concession receivable | $ 1,000 |  |  | $ 1,000 |  |  |  |  |
Mong Duong held-for-sale |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of | $ 11 | $ 0 |  | 54 | $ 0 |  |  |  |
Brazil held-for-sale |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of |  |  |  | $ 277 |  |  |  |  |

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