v3.25.1
Related Parties - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Feb. 21, 2024
Dec. 17, 2020
Dec. 29, 2019
May 09, 2018
Related Party Transaction [Line Items]            
Common stock, shares outstanding (in shares) 158,462,071 157,938,056        
Accrued interest income balance $ 129 $ 126        
Related Party            
Related Party Transaction [Line Items]            
Ownership percentage by related party     35.00%      
Related Party | Slagger            
Related Party Transaction [Line Items]            
Ownership percentage by related party     65.00%      
Advanced Metal Industries Cluster Company Limited | Option Agreement, Option To Acquire Special Purchase Vehicle | Related Party            
Related Party Transaction [Line Items]            
Ownership percentage by related party           90.00%
Advanced Metal Industries Cluster Company Limited | Acquisition Of Assets Producing Metal Grade TiCl4 | Related Party            
Related Party Transaction [Line Items]            
Accrued interest income balance         $ 36  
Slagger | Advanced Metal Industries Cluster and Toho Titanium Metal Co. Ltd (ATTM)            
Related Party Transaction [Line Items]            
Loan commitment           $ 322
AMIC | Option Agreement, Amounts to be Reimbursed for Capital Expenditures and Operational Expenses | Related Party            
Related Party Transaction [Line Items]            
Amounts receivable from related party           $ 125
Cristal | Related Party | MGT Loan            
Related Party Transaction [Line Items]            
Total outstanding note payable $ 17 $ 19   $ 36    
Cristal | Related Party | MGT Loan | Minimum            
Related Party Transaction [Line Items]            
Debt instrument, term 3 years          
Cristal | Related Party | MGT Loan | Maximum            
Related Party Transaction [Line Items]            
Debt instrument, term 4 years          
Cristal's Titanium Dioxide Business            
Related Party Transaction [Line Items]            
Ownership percentage 24.00%          
Acquisition Of Assets Producing Metal Grade TiCl4 | Related Party | Advanced Metal Industries Cluster and Toho Titanium Metal Co. Ltd (ATTM)            
Related Party Transaction [Line Items]            
Ownership percentage         65.00%  
Cristal's Titanium Dioxide Business            
Related Party Transaction [Line Items]            
Common stock, shares outstanding (in shares) 37,580,000          
Slagger | Purchases of Feedstock Material | Related Party | Advanced Metal Industries Cluster Company Limited            
Related Party Transaction [Line Items]            
Debt instrument, term 2 years