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