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Operating Information by Segment and Geographic Area - Other Segment Profit (Loss) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |
Operating Income (Loss) | $ 209 | $ (273) | $ (232)
Reportable segments | 2022 |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Income (Loss) | 427 | 415 | 342
Reportable segments | Other | 2022 |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Income (Loss) | (13) | (28) | (75)
Reportable segments | Other | 2022 | NuScale |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Income (Loss) | (73) | (69) | (84)
Reportable segments | Other | 2022 | Stork |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Income (Loss) | 59 | 35 | (6)
Reportable segments | Other | 2022 | AMECO |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Income (Loss) | $ 1 | $ 6 | $ 15

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