Acquisition of Remaining Joint Venture Interest in LPC (Details) - Louisiana Pigment Company, L.P. (LPC) - Kronos Worldwide, Inc. - Subsequent event $ in Millions	Jul. 16, 2024 USD ($)
Acquisition of Remaining Joint Venture Interest in LPC
Percentage acquired	50.00%
Percentage held through wholly-owned subsidiary	50.00%
Upfront cash payment	$ 185
Earn-out period	2 years
Global Revolver Credit Facility
Acquisition of Remaining Joint Venture Interest in LPC
Borrowings on credit facilities	$ 132
EBITDA of $650 million
Acquisition of Remaining Joint Venture Interest in LPC
Earn-out payment	5
EBITDA is between $650 million and $730 million
Acquisition of Remaining Joint Venture Interest in LPC
Earn-out payment	10
Minimum
Acquisition of Remaining Joint Venture Interest in LPC
Aggregate EBITDA considered for determining earnout payment	650
Maximum
Acquisition of Remaining Joint Venture Interest in LPC
Earn-out payment	15
Aggregate EBITDA considered for determining earnout payment	730
Maximum | EBITDA of $730 million or more
Acquisition of Remaining Joint Venture Interest in LPC
Earn-out payment	$ 15