CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues and other income:
Net sales	$ 556.3	$ 578.9	$ 1,819.9	$ 1,613.2
Other income, net	23.1	13.1	38.1	27.9
Total revenues and other income	579.4	592.0	1,858.0	1,641.1
Cost and expenses:
Cost of sales	435.9	426.2	1,382.1	1,226.6
Selling, general and administrative	81.9	82.2	238.1	231.6
Fixed asset impairment	0.4		16.4
Loss on deconsolidation of Basic Water Company ("BWC")	2.0		2.0
Other components of net periodic pension and OPEB expense	3.2	4.3	9.8	13.2
Interest	7.0	7.9	20.9	25.2
Total costs and expenses	530.4	520.6	1,669.3	1,496.6
Income before income taxes	49.0	71.4	188.7	144.5
Income tax expense	8.2	16.9	42.1	35.2
Net income	40.8	54.5	146.6	109.3
Noncontrolling interest in net income of subsidiaries	14.6	15.5	47.0	34.1
Net income attributable to Valhi stockholders	26.2	39.0	99.6	75.2
Amounts attributable to Valhi stockholders:
Net income attributable to Valhi stockholders	$ 26.2	$ 39.0	$ 99.6	$ 75.2
Net income per basic share	$ 0.92	$ 1.36	$ 3.49	$ 2.64
Net income per diluted share	$ 0.92	$ 1.36	$ 3.49	$ 2.64
Weighted average shares outstanding - basic	28.5	28.5	28.5	28.5
Weighted average shares outstanding - diluted	28.5	28.5	28.5	28.5