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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Contingency [Line Items] |  |  |  |  |  |
Income tax (expense) benefit | $ (92) | $ (110) | $ (230) | $ (307) |  |
Capital contribution liability | $ 5 |  | $ 5 |  |  |
Effective income tax rate percent | 20.20% | 30.80% | 20.20% | 26.60% |  |
Valuation allowance | $ 86 |  | $ 86 |  |  | $ 113
Clean Energy Technologies |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |
Cost of equity method investment | $ 33 |  | $ 33 |  |  |
Forecast |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |
Effective income tax rate percent |  |  |  |  | 21.00% |

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