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Investment in NuScale - Schedule of Equity Method Investments (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Equity Method Investments and Joint Ventures [Abstract] |  |  |
Equity method earnings | $ (419) | $ 2,221 |
Gain on the fair value of the forward sale contract of NuScale shares | 208 | 0 |
Gain on the sale of NuScale shares | 336 | 0 |
Other | 85 | (116) |
Equity method earnings | $ 210 | $ 2,105 | $ 0

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