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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Income Tax Disclosures [Line Items] |  |  |  |
Effective Income Tax Rate Reconciliation, Percent | 24.00% | 22.00% | 26.00% | 16.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |  |  | 21.00% |
Income Tax Expense (Benefit) | $ 145 | $ 126 | $ 186 | $ 75
AES Argentina [Member] |  |  |  |
Income Tax Disclosures [Line Items] |  |  |  |
Income Tax Expense (Benefit) |  |  | $ 19 |
AES Brasil [Domain] |  |  |  |
Income Tax Disclosures [Line Items] |  |  |  |
Income Tax Expense (Benefit) |  |  |  | 96
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount |  |  |  | $ 44

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