Operating Information by Segment and Geographic Area - Other Segment Profit (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Operating profit (loss)	$ (141)	$ 96
Reportable segments | Continuing Operations
Segment Reporting Information [Line Items]
Operating profit (loss)	(15)	115
Reportable segments | Other | Continuing Operations
Segment Reporting Information [Line Items]
Operating profit (loss)	(90)	(14)
Reportable segments | Other | Continuing Operations | NuScale
Segment Reporting Information [Line Items]
Operating profit (loss)	(29)	(21)
Reportable segments | Other | Continuing Operations | Stork
Segment Reporting Information [Line Items]
Operating profit (loss)	1	4
Reportable segments | Other | Continuing Operations | AMECO
Segment Reporting Information [Line Items]
Operating profit (loss)	$ (62)	$ 3