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Commitments and Contingencies - Additional Information (Details)
 1 Months Ended 12 Months Ended
Apr. 14, 2021
USD ($)
mi
Jun. 30, 2018
party
Oct. 31, 2016
USD ($)
Mar. 03, 2016
USD ($)
Apr. 11, 2014
USD ($)
mi
Sep. 30, 2022
USD ($)
Dec. 31, 2023
USD ($)
site
mine
party
mi
Dec. 31, 2022
USD ($)
Oct. 18, 2021
Apr. 30, 2015
USD ($)
Site Contingency                    
Number of sites subject to remediation | site             19      
Number of sites subject to remediation activities, cost in excess of 100K | site             14      
Cost per site minimis threshold             $ 100,000      
Number of sites, investigation completed | site             15      
Number of sites investigation in progress | site             4      
Number of sites subject to remediation activities, contains remediation systems | site             7      
Number of sites subject to remediation activities, monitored | site             8      
Number of sites subject to remediation activities, active operations | site             1      
Environmental             $ 39,000,000 $ 42,100,000    
Environmental, current             $ 8,200,000      
Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration Not Disclosed Flag             Consolidated Balance Sheets      
Loss reserves             $ 26,900,000      
Lower Passaic River Study Area                    
Site Contingency                    
Portion of site subject to remediation | mi         8          
Number of potentially responsible parties | party             70      
Estimate of cost                   $ 726,000,000
Estimate low end     $ 165,000,000              
Development period (years)     4 years              
Potentially responsible parties | party   120                
Upper Nine Miles Of The River                    
Site Contingency                    
Portion of site subject to remediation | mi 9                  
Estimate of loss exposure in excess of accrual $ 441,000,000                  
Lower Passaic River Study Area, Lower Eight Miles                    
Site Contingency                    
Environmental             $ 700,000      
Accrual payments           $ 5,900,000        
Arizona Uranium Mines                    
Site Contingency                    
Environmental             $ 11,500,000      
Investigate sites notice from EPA | mine             8      
Percentage of expenses reimbursable by the U.S.                 35.00%  
Future contributions from U.S.             $ 2,900,000      
Water Valley, Mississippi                    
Site Contingency                    
Loss reserves             $ 13,500,000      
Minimum | Lower Passaic River Study Area                    
Site Contingency                    
Estimate of loss exposure in excess of accrual       $ 1,380,000,000 $ 953,000,000          
Maximum | Lower Passaic River Study Area                    
Site Contingency                    
Estimate of loss exposure in excess of accrual       $ 1,730,000,000            
Related Party | Crucible Steel Corporation                    
Site Contingency                    
Portion of site subject to remediation | mi             17