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Commitments and Contingencies - Other Litigation - Additional Information (Detail) (Product Liability And Occupational Exposure Litigation Claims, NL) | 3 Months Ended
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Mar. 31, 2015 Plaintiff
Loss Contingencies [Line Items] |
Cases pending | 166 us-gaap_LossContingencyPendingClaimsNumber
Pending Claims |
Loss Contingencies [Line Items] |
Number of plaintiffs involved | 712 us-gaap_LossContingencyNumberOfPlaintiffs / dei_LegalEntityAxis = vhi_NlIndustriesIncMember / us-gaap_LitigationCaseAxis = vhi_ProductLiabilityAndOccupationalExposureLitigationClaimsMember / us-gaap_LitigationStatusAxis = vhi_PendingClaimsMember
Administratively Dismissed Claims |
Loss Contingencies [Line Items] |
Number of plaintiffs involved | 8,692 us-gaap_LossContingencyNumberOfPlaintiffs / dei_LegalEntityAxis = vhi_NlIndustriesIncMember / us-gaap_LitigationCaseAxis = vhi_ProductLiabilityAndOccupationalExposureLitigationClaimsMember / us-gaap_LitigationStatusAxis = vhi_AdministrativelyDismissedClaimsMember

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- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
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- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 + Details
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