Long-term debt (Tables)

12 Months Ended

Dec. 31, 2025

Long-term debt

Schedule of Long-Term Debt

	December 31,
	2024		2025
	(In millions)
Valhi:
Contran credit facility	$	44.6	$	23.6
Subsidiary debt:
Kronos:
Kronos International, Inc. 9.50% Senior Secured Notes due 2029		365.4		503.7
Kronos International, Inc. 3.75% Senior Secured Notes due 2025		78.3		—
Subordinated, Unsecured Term Loan from Contran		53.7		53.7
Revolving credit facility		10.0		—
LandWell:
Note payable to Western Alliance Business Trust		11.4		10.7
Total subsidiary debt		518.8		568.1
Total debt		563.4		591.7
Less current maturities		79.0		.8
Total long-term debt	$	484.4	$	590.9

Schedule of Aggregate Maturities of Long-Term Debt

Years ending December 31,	Amount
	(In millions)
Gross amounts due each year:
2026	$	.8
2027		24.5
2028		.9
2029		556.3
2030		1.0
2031 and thereafter		6.2
Subtotal		589.7
Net amounts representing original issue premium and debt issuance costs		2.0
Total long-term debt	$	591.7