Valhi stockholders' equity (Tables)

12 Months Ended

Dec. 31, 2024

Stockholders' equity

Schedule of Common Stock Outstanding

	Shares of common stock
	Issued	Treasury	Outstanding
	(In millions)
Balance at December 31, 2022, 2023 and 2024	29.6	(1.1)	28.5

Schedule of changes in accumulated other comprehensive income (loss)

	Years ended December 31,
	2022		2023		2024
	(In millions)
Accumulated other comprehensive income (loss) (net of tax and   noncontrolling interest):
Marketable securities:
Balance at beginning of year	$	1.7	$	1.6	$	1.7
Other comprehensive income:
Unrealized gain (loss) arising during the year		(.1)		.1		—
Balance at end of year	$	1.6	$	1.7	$	1.7
Currency translation:
Balance at beginning of year	$	(72.2)	$	(91.5)	$	(88.8)
Other comprehensive income (loss) arising during the year		(19.3)		2.7		(22.9)
Balance at end of year	$	(91.5)	$	(88.8)	$	(111.7)
Defined benefit pension plans:
Balance at beginning of year	$	(120.9)	$	(55.0)	$	(58.8)
Other comprehensive income:
Amortization of prior service cost and net losses   included in net periodic pension cost		7.3		1.9		2.1
Net actuarial gain (loss) arising during the year		58.4		(10.0)		7.1
Plan settlement		.2		4.3		.2
Balance at end of year	$	(55.0)	$	(58.8)	$	(49.4)
OPEB plans:
Balance at beginning of year	$	.1	$	1.0	$	.4
Other comprehensive income:
Amortization of prior service credit and net losses    included in net periodic OPEB cost		(.5)		(.7)		(.3)
Net actuarial gain arising during the year		1.4		.1		.1
Balance at end of year	$	1.0	$	.4	$	.2
Total accumulated other comprehensive loss:
Balance at beginning of year	$	(191.3)	$	(143.9)	$	(145.5)
Other comprehensive income (loss)		47.4		(1.6)		(13.7)
Balance at end of year	$	(143.9)	$	(145.5)	$	(159.2)