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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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