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Fair Value Measurements - Additional Information (Details) - Clean Energy Businesses - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Gain (loss) on Level 3 energy derivative assets and liabilities |  | $ 17 | $ 26
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | TOTAL OPERATING REVENUES | TOTAL OPERATING REVENUES |

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