Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2020

Commitments And Contingencies Disclosure [Abstract]

Change in Accrued Environmental Remediation and Related Costs

The table below presents a summary of the activity in our accrued environmental costs during 2018, 2019, and 2020.

	Years ended December 31,
	2018			2019			2020
	(In millions)
Balance at the beginning of the year	$	117.5		$	103.4		$	99.7
Additions charged to expense, net		3.1			.3			.7
Payments, net		(17.2	)		(4.0	)		(1.9	)
Changes in currency exchange rates and other		-			-			.1
Balance at the end of the year	$	103.4		$	99.7		$	98.6
Amounts recognized in our Consolidated Balance   Sheet at the end of the year:
Current liabilities	$	6.5		$	4.5		$	3.4
Noncurrent liabilities		96.9			95.2			95.2
Total	$	103.4		$	99.7		$	98.6

Approximate Percentage of TiO2 Sales by Volume for Segments

The table below shows the approximate percentage of our Chemicals Segment’s TiO

	2018			2019			2020
Europe		44	%		46	%		46	%
North America		37	%		34	%		36	%