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Revenue - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Disaggregation of Revenue [Line Items]    
Net sales $ 965 $ 891
TiO2    
Disaggregation of Revenue [Line Items]    
Net sales 773 696
Zircon    
Disaggregation of Revenue [Line Items]    
Net sales 108 123
Feedstock and other products    
Disaggregation of Revenue [Line Items]    
Net sales 84 72
North America    
Disaggregation of Revenue [Line Items]    
Net sales 195 169
South and Central America    
Disaggregation of Revenue [Line Items]    
Net sales 67 63
Europe, Middle-East and Africa    
Disaggregation of Revenue [Line Items]    
Net sales 377 357
Asia Pacific    
Disaggregation of Revenue [Line Items]    
Net sales $ 326 $ 302