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v3.25.3

Revenues (Pre-operating) (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
Revenues. |  |  |  |  |
Recognized pre-operating costs | $ 41 | $ 44 | $ 120 | $ 92 |
Unrecognized pre-operating costs | $ 170 |  | $ 170 |  | $ 224

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