CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues and other income:
Net sales	$ 492.7	$ 629.0
Other income, net	13.1
Total revenues and other income	505.8	629.0
Cost and expenses:
Cost of sales	438.6	458.3
Selling, general and administrative	68.8	77.2
Other components of net periodic pension and OPEB expense	1.2	3.3
Interest	7.0	6.9
Total costs and expenses	515.6	545.7
Income from continuing operations before income taxes	(9.8)	83.3
Income tax expense	(6.1)	19.9
Net income	(3.7)	63.4
Noncontrolling interest in net income of subsidiaries	1.2	18.0
Net income attributable to Valhi stockholders	(4.9)	45.4
Amounts attributable to Valhi stockholders:
Net income attributable to Valhi stockholders	$ (4.9)	$ 45.4
Basic and diluted net income per share:
Net income per basic share	$ (0.17)	$ 1.59
Net income per diluted share	$ (0.17)	$ 1.59
Weighted average shares outstanding - basic	28.5	28.5
Weighted average shares outstanding - diluted	28.5	28.5