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Operating Information by Segment and Geographic Area - Other Segment Profit (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Segment Reporting Information [Line Items] |  |  |  |
Total segment profit (loss) | $ (11) | $ 101 | $ 190 | $ (7)
Reportable segments | Continuing Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total segment profit (loss) | 31 | 116 | 253 | 272
Reportable segments | Other | Continuing Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total segment profit (loss) | (3) | (2) | (8) | (8)
Reportable segments | Other | NuScale | Continuing Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total segment profit (loss) | (15) | (8) | (44) | (43)
Reportable segments | Other | Stork | Continuing Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total segment profit (loss) | 8 | 8 | 26 | 26
Reportable segments | Other | AMECO | Continuing Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total segment profit (loss) | $ 4 | $ (2) | $ 10 | $ 9

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