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Operating Information by Segment and Geographic Area - Other Segment Profit (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Segment Reporting Information [Line Items] |  |
Total segment profit (loss) | $ 52 | $ (141)
NuScale | Disposal Group, Not Discontinued Operations | Fluor Corporation |  |
Segment Reporting Information [Line Items] |  |
Entity's interest in partnership or joint venture (percent) | 55.00% |
Reportable Segments | Continuing Operations |  |
Segment Reporting Information [Line Items] |  |
Total segment profit (loss) | $ 118 | (15)
Reportable Segments | Other | Continuing Operations |  |
Segment Reporting Information [Line Items] |  |
Total segment profit (loss) | (22) | (90)
Reportable Segments | Other | NuScale | Continuing Operations |  |
Segment Reporting Information [Line Items] |  |
Total segment profit (loss) | (33) | (29)
Reportable Segments | Other | Stork | Continuing Operations |  |
Segment Reporting Information [Line Items] |  |
Total segment profit (loss) | 11 | 1
Reportable Segments | Other | AMECO | Continuing Operations |  |
Segment Reporting Information [Line Items] |  |
Total segment profit (loss) | $ 0 | $ (62)

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