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Accounts Payable and Accrued Liabilities - Additional Information (Detail) $ in Millions | 3 Months Ended
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Mar. 31, 2016 USD ($)
Kronos Worldwide, Inc. |
Accounts Payable And Accrued Liabilities [Line Items] |
Workforce reduction costs paid | $ 0.6

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Accounts payable and accrued liabilities. + References No definition available. + Details
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Namespace Prefix: | vhi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | dei_LegalEntityAxis=vhi_KronosMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |