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v3.25.3

Fair Value of Financial Instruments - Schedule of Fair Value, Assets and Liabilities (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Assets | $ 135 |  | $ 135 |  | $ 175
Derivative Liabilities | 374 |  | 374 |  | 371
El Segundo, Marsh Landing and Walnut Creek Notes | Call Option |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value of long term debt | 336 |  | 336 |  | 366
Fair value of short term debt | 0 |  | 0 |  | 5
Fair Value, Recurring |  |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |  |
Beginning balance | (345) | $ (381) | (352) | $ (317) |
Settlements | 44 | 6 | 84 | 0 |
Total (losses) gains for the period included in earnings | (16) | 66 | (49) | 8 |
Ending balance | (317) | (309) | (317) | (309) |
Change in unrealized losses included in earnings for derivatives and other financial instruments held as of September 30, 2025 | $ (16) |  | $ (49) |  |
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Derivative instruments | Derivative instruments | Derivative instruments | Derivative instruments |
Level 2 | Fair Value, Recurring |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Assets | $ 123 |  | $ 123 |  | 166
Derivative Liabilities | 38 |  | 38 |  | 0
Level 3 | Fair Value, Recurring |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Assets | 19 |  | 19 |  | 19
Derivative Liabilities | 336 |  | 336 |  | 371
Energy-related commodity contracts |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Assets | 12 |  | 12 |  | 9
Derivative Liabilities | 337 |  | 337 |  | 371
Energy-related commodity contracts | Level 2 | Fair Value, Recurring |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Assets | 0 |  | 0 |  | 0
Derivative Liabilities | 1 |  | 1 |  | 0
Energy-related commodity contracts | Level 3 | Fair Value, Recurring |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Assets | 12 |  | 12 |  | 9
Derivative Liabilities | 336 |  | 336 |  | 371
Interest rate contracts |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Assets | 123 |  | 123 |  | 166
Derivative Liabilities | 37 |  | 37 |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |  |  |
Change in unrealized losses included in earnings for derivatives and other financial instruments held as of September 30, 2025 | (8) | $ (57) | (40) | $ (33) |
Interest rate contracts | Level 2 | Fair Value, Recurring |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Assets | 123 |  | 123 |  | 166
Derivative Liabilities | 37 |  | 37 |  | 0
Interest rate contracts | Level 3 | Fair Value, Recurring |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Assets | 0 |  | 0 |  | 0
Derivative Liabilities | 0 |  | 0 |  | 0
Other Financial Instruments | Level 2 | Fair Value, Recurring |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Assets | 0 |  | 0 |  | 0
Other Financial Instruments | Level 3 | Fair Value, Recurring |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative Assets | $ 7 |  | $ 7 |  | $ 10

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