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Long-Term Debt - Kronos Term Loan - Additional Information (Detail) (USD $) | 12 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2013 | Dec. 31, 2014 | Feb. 28, 2014 | Jul. 31, 2013 | Feb. 28, 2013
Debt Instrument [Line Items] |  |  |  |  |  |  |
Pre Tax Interest Charge | $ (8,900,000)us-gaap_GainsLossesOnExtinguishmentOfDebt | $ (7,200,000)us-gaap_GainsLossesOnExtinguishmentOfDebt |  |  |  |  |
Kronos Worldwide, Inc. |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Pre Tax Interest Charge |  |  | 2,300,000 us-gaap_GainsLossesOnExtinguishmentOfDebt / dei_LegalEntityAxis = vhi_KronosMember |  |  |  |
Kronos Worldwide, Inc. | Long Term Debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Minimum amount of debt default for using customary default provisions |  |  |  | 50,000,000 vhi_DebtInstrumentCovenantDebtDefaultLimit / us-gaap_FinancialInstrumentAxis = us-gaap_LongTermDebtMember / dei_LegalEntityAxis = vhi_KronosMember |  |  |
Kronos Worldwide, Inc. | North American Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Borrowings for prepayment of term loan |  |  | 50,000,000 us-gaap_ProceedsFromIssuanceOfDebt / us-gaap_CreditFacilityAxis = vhi_NorthAmericanCreditFacilityMember / dei_LegalEntityAxis = vhi_KronosMember |  |  |  |
Kronos Worldwide, Inc. | Notes Payable, Other Payables | Contran |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayment of credit facility |  |  |  |  | 170,000,000 us-gaap_RepaymentsOfLongTermDebt / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = vhi_ContranMember |  |
Kronos Worldwide, Inc. | Notes Payable, Other Payables | Kronos International |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Loan pledged as collateral from wholly-owned subsidiary |  |  |  |  | 395,700,000 us-gaap_LoansPledgedAsCollateral / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = vhi_KronosInternationalMember |  |
Kronos Worldwide, Inc. | Notes Payable, Other Payables | 2012 Term Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayment of credit facility |  |  |  |  |  | 100,000,000 us-gaap_RepaymentsOfLongTermDebt / us-gaap_DebtInstrumentAxis = vhi_TwentyTwelveTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember | 290,000,000 us-gaap_RepaymentsOfLongTermDebt / us-gaap_DebtInstrumentAxis = vhi_TwentyTwelveTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember
Principal amount of promissory note | 400,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = vhi_TwentyTwelveTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember | 400,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = vhi_TwentyTwelveTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |  |  |
Pre Tax Interest Charge |  |  |  |  |  |  | 6,600,000 us-gaap_GainsLossesOnExtinguishmentOfDebt / us-gaap_DebtInstrumentAxis = vhi_TwentyTwelveTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember
Cash used for payment of term loan |  |  |  |  |  |  | 100,000,000 us-gaap_RepaymentsOfSecuredDebt / us-gaap_DebtInstrumentAxis = vhi_TwentyTwelveTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember
Borrowing from Contran for prepayment of term loan |  |  |  |  |  |  | 190,000,000 us-gaap_ProceedsFromRelatedPartyDebt / us-gaap_DebtInstrumentAxis = vhi_TwentyTwelveTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember
Repayments of long term debt from cash on hand |  |  | 50,000,000 vhi_RepaymentsOfLongTermDebtFromCashOnHand / us-gaap_DebtInstrumentAxis = vhi_TwentyTwelveTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |  |
Kronos Worldwide, Inc. | Notes Payable, Other Payables | 2014 Term Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount of promissory note |  |  |  |  | 350,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |
Borrowings for prepayment of term loan |  |  |  |  | 348,300,000 us-gaap_ProceedsFromIssuanceOfDebt / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |
Percentage of loan issued to principal amount |  |  |  |  | 99.50%vhi_DebtInstrumentIssuancePricePercentageOfPrincipalAmountIssued / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |
Quarterly principal repayments |  |  |  |  | 875,000 us-gaap_DebtInstrumentPeriodicPaymentPrincipal / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |
Quarterly principal repayments, commencing date |  |  |  |  | Jun. 30, 2014 |  |
Loans maturity period |  |  |  |  | Feb. 28, 2020 |  |
Long term debt prepayments terms |  |  |  | Voluntary principal prepayments are permitted at any time, provided that a call premium of 1% of the principal amount of such prepayment applies to any voluntary prepayment made on or before February 2015 (there is no prepayment penalty applicable to any voluntary prepayment after February 2015). We made no such voluntary prepayments through February 2015 |  |  |
Call premium percentage |  |  |  |  | 1.00%vhi_DebtInstrumentCallPremiumPercentage / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |
Voluntary prepayment, earliest date |  |  |  |  | Feb. 28, 2015 |  |
Voluntary prepayment of credit facility |  |  |  | 0 vhi_VoluntaryPrepaymentsOfLongTermDebt / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |
Percentage of average interest rate, during period |  |  |  | 4.75%us-gaap_DebtInstrumentInterestRateDuringPeriod / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |
Debt instrument, Interest rate at period end |  |  |  | 4.75%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |
Unamortized discount balance |  |  |  | $ 1,500,000 us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |
Kronos Worldwide, Inc. | Notes Payable, Other Payables | 2014 Term Loan | Libor Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Minimum LIBOR rate |  |  |  |  | 1.00%vhi_MinimumPercentageOfLibor / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |
Debt instrument basis spread on variable rate |  |  |  |  | 3.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |
Kronos Worldwide, Inc. | Notes Payable, Other Payables | 2014 Term Loan | Base Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument basis spread on variable rate |  |  |  |  | 2.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember / us-gaap_VariableRateAxis = us-gaap_BaseRateMember |  |
Kronos Worldwide, Inc. | Notes Payable, Other Payables | 2014 Term Loan | U.S. wholly-owned subsidiaries |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Term Loan Collateralized Priority |  |  |  |  | 100.00%vhi_PercentageOfOwnershipInterestInSubsidiaryPledgedAsCollateral / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = vhi_UsWhollyOwnedSubsidiariesMember |  |
Kronos Worldwide, Inc. | Notes Payable, Other Payables | 2014 Term Loan | Canadian first-tier European subsidiaries |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Term Loan Collateralized Priority |  |  |  |  | 65.00%vhi_PercentageOfOwnershipInterestInSubsidiaryPledgedAsCollateral / us-gaap_DebtInstrumentAxis = vhi_TwentyFourteenTermLoanMember / dei_LegalEntityAxis = vhi_KronosMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = vhi_CanadianFirstTierEuropeanSubsidiariesMember |  |

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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5086-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6467456&loc=d3e113888-111728 + Details
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- Definition Disclosure of timing of required repayments, sinking fund requirements, and other redeemable securities at fixed or determinable prices and dates in the five years immediately following the date of the latest balance sheet presented in the financial statements, and the amount thereafter to fully repay the principal of long-term debt. These disclosures may be made either on an individual debt or security basis, by type of debt or security basis, or on a combined basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Any principal prepayments before this date will require the payment of a call premium, and principal prepayments after this date will not require the payment of a call premium. + References No definition available. + Details
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- Definition The percentage of common stock or other ownership interest in subsidiary pledged as collateral under a debt instrument. + References No definition available. + Details
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- Definition Repayments​ of long​ term ​debt from cash on hand. + References No definition available. + Details
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- Definition The cash outflow for voluntary prepayment of debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References No definition available. + Details
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