Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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- Definition

The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-14

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- Definition

Fixed charge coverage ratio minimum value.

+ References

No definition available.

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Long-term debt - Revolving Credit Facility - Additional Information (Detail) - Kronos Worldwide, Inc. € in Millions, $ in Millions	6 Months Ended
	Jun. 30, 2024 USD ($)	Jul. 17, 2024 USD ($)	Jun. 30, 2024 EUR (€)
Global Revolver Credit Facility
Line Of Credit Facility [Line Items]
Line of credit maximum borrowing capacity	$ 225
Revolving credit facility, borrowings	0
Amount available for borrowing	$ 225
Fixed charge coverage ratio, minimum value	1.00%
Global Revolver Credit Facility \| Subsequent event
Line Of Credit Facility [Line Items]
Line of credit maximum borrowing capacity		$ 300
Global Revolver Credit Facility \| Floor Rate Option [Member
Line Of Credit Facility [Line Items]
Interest rate spread	0.25%
Global Revolver Credit Facility \| Minimum \| Variable Rate
Line Of Credit Facility [Line Items]
Interest rate spread	1.50%
Global Revolver Credit Facility \| Minimum \| Base Rate Option
Line Of Credit Facility [Line Items]
Interest rate spread	0.50%
Global Revolver Credit Facility \| Maximum \| Variable Rate
Line Of Credit Facility [Line Items]
Interest rate spread	2.00%
Global Revolver Credit Facility \| Maximum \| Base Rate Option
Line Of Credit Facility [Line Items]
Interest rate spread	2.00%
Canadian Subsidiary Revolving Borrowings Maximum
Line Of Credit Facility [Line Items]
Line of credit maximum borrowing capacity	$ 35
Belgian Subsidiary Revolving Borrowings Maximum
Line Of Credit Facility [Line Items]
Line of credit maximum borrowing capacity \| €			€ 30
German Subsidiary Revolving Borrowings Maximum
Line Of Credit Facility [Line Items]
Line of credit maximum borrowing capacity \| €			€ 60