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

+ Details

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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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Balance Type:	credit
Period Type:	instant

- 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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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ 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
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

Reference 2: 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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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ 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
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-15

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Fixed charge coverage ratio minimum value.

+ References

No definition available.

+ Details

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Namespace Prefix:	vhi_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility expiration month and year.

+ References

No definition available.

+ Details

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Namespace Prefix:	vhi_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

- Details

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Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
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- Details

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- Details

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Long-term debt - Revolving Credit Facility - Additional Information (Detail) - Kronos Worldwide, Inc. € in Millions, $ in Millions		12 Months Ended
	Apr. 20, 2021 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 EUR (€)
Global Revolver Credit Facility
Line Of Credit Facility [Line Items]
Borrowings on credit facilities		$ 0.0
Line of credit maximum borrowing capacity	$ 225.0
Line of credit, maturity month and year	2026-04
Repayment of credit facility		0.0
Amount available for borrowing		$ 225.0
Fixed charge coverage ratio, minimum value		100.00%
Global Revolver Credit Facility \| Minimum \| Variable Rate
Line Of Credit Facility [Line Items]
Interest rate on outstanding borrowings		1.50%
Global Revolver Credit Facility \| Minimum \| Base Rate Option
Line Of Credit Facility [Line Items]
Interest rate on outstanding borrowings		0.50%
Global Revolver Credit Facility \| Maximum \| Variable Rate
Line Of Credit Facility [Line Items]
Interest rate on outstanding borrowings		2.00%
Global Revolver Credit Facility \| Maximum \| Base Rate Option
Line Of Credit Facility [Line Items]
Interest rate on outstanding borrowings		2.00%
Canadian Subsidiary Revolving Borrowings Maximum
Line Of Credit Facility [Line Items]
Line of credit maximum borrowing capacity		$ 25.0
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