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Commitments and contingencies (Tables)
12 Months Ended
Dec. 31, 2024
Commitments and contingencies  
Summary of the activity in our accrued environmental costs

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Years ended December 31, 

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2022

    

2023

    

2024

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(In millions)

Balance at the beginning of the year

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$

97.6

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$

97.3

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$

96.9

Additions (deductions), net

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1.7

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2.5

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(19.2)

Payments, net

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(2.0)

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(2.9)

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(3.1)

Balance at the end of the year

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$

97.3

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$

96.9

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$

74.6

Amounts recognized in the Consolidated Balance Sheet at the
  end of the year:

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Current liabilities

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$

3.8

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$

3.7

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$

59.7

Noncurrent liabilities

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93.5

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93.2

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14.9

Total

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$

97.3

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$

96.9

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$

74.6

Schedule of approximate percentage of TiO2 sales by volume for segments

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2022

    

2023

    

2024

 

Europe

 

45%

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44%

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44%

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North America

 

39%

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41%

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40%

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