v3.25.1
Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Disaggregation of Revenue [Line Items]    
Total net sales $ 738 $ 774
TiO2    
Disaggregation of Revenue [Line Items]    
Total net sales 584 605
Zircon    
Disaggregation of Revenue [Line Items]    
Total net sales 69 88
Other products    
Disaggregation of Revenue [Line Items]    
Total net sales 85 81
North America    
Disaggregation of Revenue [Line Items]    
Total net sales 198 192
South and Central America    
Disaggregation of Revenue [Line Items]    
Total net sales 46 46
Europe, Middle-East and Africa    
Disaggregation of Revenue [Line Items]    
Total net sales 312 309
Asia Pacific    
Disaggregation of Revenue [Line Items]    
Total net sales $ 182 $ 227