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Asset Impairment Expense (Details) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Jun. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | May 15, 2024 USD ($) | Sep. 30, 2020
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use | $ 230 |  | $ 174 |  | $ 276 | $ 194 |  |
Other Asset Impairment Charges | $ 230 |  | 174 |  | 276 | 194 |  |
Impairment expense |  |  |  |  | $ 276 | 199 |  |
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] | Mong Duong held-for-sale |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring | $ 384 |  |  |  | $ 384 |  |  |
Disposal Group Not Discontinued Operation Ownership Interest Sold | 51.00% |  |  |  | 51.00% |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Mong Duong Financing SPV |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Disposal Group Not Discontinued Operation Ownership Interest Sold | 51.00% |  |  |  | 51.00% |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | AES Brasil [Domain] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring | $ 1,300 |  |  |  | $ 1,300 |  | $ 1,339 |
Disposal Group Not Discontinued Operation Ownership Interest Sold | 47.30% |  |  |  | 47.30% |  |  |
Foreign Currency Exchange Rate, Translation |  |  |  |  |  |  | 533,000,000 |
Assets carrying amount disclosure nonrecurring, prior to impairment |  |  |  |  |  |  | $ 1,556 |
Long Lived Assets held and Used | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring | $ 35 |  |  |  | $ 35 |  |  |
Other Subsidiaries [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use | 7 |  | 4 |  | 16 | 10 |  |
Maritza | Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 196 |  |  | 196 |  |
Maritza | Long Lived Assets Held And Used [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Other Asset Impairment Charges |  |  |  |  |  | 137 |  |
Maritza | Long Lived Assets Held And Used [Member] | Level 3 [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 24 |  |  | 24 |  |
Jordan (IPP1 & IPP4) | Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 179 | $ 179 |  | 179 |  |
Jordan (IPP1 & IPP4) | Long Lived Assets Held And Used [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Other Asset Impairment Charges | 0 |  | 15 | 14 | 0 | 29 |  |
Jordan (IPP1 & IPP4) | Long Lived Assets Held And Used [Member] | Level 3 [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 0 | $ 0 |  | 0 |  |
AES Renewable Holdings | Long Lived Assets Held And Used [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Other Asset Impairment Charges | 0 |  | 18 |  | 0 | 18 |  |
AES Renewable Holdings | Long Lived Assets held and Used | Level 3 [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring | 11 |  |  |  | 11 |  |  |
Norgener | Long Lived Assets Held And Used [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Other Asset Impairment Charges | 0 |  | 137 |  | 0 | 137 |  |
Norgener | Long Lived Assets held and Used | Level 3 [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring | 24 |  | 24 |  | 24 | 24 |  |
Mong Duong held-for-sale |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of | 6 |  | 0 |  | 43 | 0 |  |
Mong Duong held-for-sale | Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring | 390 | $ 450 |  |  | 390 |  |  |
Mong Duong held-for-sale | Long Lived Assets Held And Used [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Other Asset Impairment Charges | 6 | 37 |  |  |  |  |  |
Mong Duong held-for-sale | Long Lived Assets Held And Used [Member] | Level 3 [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring | 0 | 0 |  |  | 0 |  |  |
Renewables | Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 29 |  |  | 29 |  |
Renewables | Long Lived Assets Held And Used [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Other Asset Impairment Charges |  |  |  |  |  | 18 |  |
Renewables | Long Lived Assets Held And Used [Member] | Level 3 [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 11 |  |  | 11 |  |
Renewables | Long Lived Assets held and Used | Level 3 [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | 11 |  |  | 11 |  |
AES Brasil [Domain] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of | $ 217 |  | $ 0 |  | $ 217 | $ 0 |  |
AES Brasil [Domain] | Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  | 1,556 |  |  |  |  |  |
AES Brasil [Domain] | Long Lived Assets Held And Used [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Other Asset Impairment Charges |  | 217 |  |  |  |  |  |
AES Brasil [Domain] | Long Lived Assets Held And Used [Member] | Level 3 [Member] | Estimate of Fair Value Measurement [Member] |  |  |  |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  | $ 0 |  |  |  |  |  |

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