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Investment in NuScale - Narrative (Details) - USD ($) shares in Millions, $ in Millions | 1 Months Ended | 4 Months Ended | 10 Months Ended |
--- | --- | --- | --- | ---
Nov. 30, 2025 | Feb. 13, 2026 | Oct. 31, 2025 | Sep. 30, 2025
Subsequent Event |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Proceeds from repurchase of equity |  | $ 1,350 |  |
NuScale |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Related party transaction, shares sold (in shares) |  |  | 15 |
Investment, NuScale shares owned (in shares) |  |  |  | 126
Related party transaction, proceeds from sale of shares |  |  | $ 605 |
Remaining shares sold (in shares) | 111 |  |  |
Related party transaction, shares converted (in shares) | 71 |  |  |

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