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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2022
Commitments And Contingencies Disclosure [Abstract] |
Summary of Approximate Percentage of TiO2 Sales by Volume | The table below shows the approximate percentage of our TiO2 sales by volume for our significant markets, Europe and North America, for the last three years.
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2020 | ​ | 2021 | ​ | 2022
Europe |  | 46% | ​ | 46% | ​ | 45%
North America |  | 36% | ​ | 37% | ​ | 39%
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