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Operating Information by Segment and Geographic Area - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 30, 2022
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Segment Reporting Information [Line Items]            
Proceeds from sale of stock $ 107          
Temporary APIC   $ 107   $ 107   $ 0
NuScale            
Segment Reporting Information [Line Items]            
Ownership interest percentage 5.00%          
Energy Solutions            
Segment Reporting Information [Line Items]            
Expense from embedded foreign currency derivatives   17 $ 20 $ 4 $ 49  
Urban Solutions            
Segment Reporting Information [Line Items]            
Effect of forecast revision on estimated project cost   $ 32 $ 138   $ 138  
Effect of forecast revision on estimated project cost (in dollars per share)   $ 0.14 $ 0.72   $ 0.72