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

No definition available.

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- Definition

The average effective interest rate during the reporting period.

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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

No definition available.

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- Definition

Earliest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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- Definition

For an unclassified balance sheet, amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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- Definition

The effective interest rate at the end of the reporting period.

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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.

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

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- Definition

Amount of long-term debt and capital lease obligations including current maturities.

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No definition available.

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- Definition

The cash outflow for the settlement of obligation drawn 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.

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- Definition

Noncash indebtedness borrowings.

+ References

No definition available.

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Long-Term Debt - Valhi - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2018	Aug. 31, 2018	Jan. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Outstanding debt obligations	$ 800,400,000			$ 1,043,100,000
Contran Credit Facility
Debt Instrument [Line Items]
Repaid amount	6,300,000
Contran Credit Facility \| Waste Management
Debt Instrument [Line Items]
Noncash borrowings			$ 36,300,000
VALHI, INC.
Debt Instrument [Line Items]
Outstanding debt obligations	314,300,000			534,300,000
VALHI, INC. \| Contran Credit Facility
Debt Instrument [Line Items]
Outstanding debt obligations	314,300,000			$ 284,300,000
Maximum borrowing capacity	$ 360,000,000
Debt instrument, Interest rate at period end	6.50%
Debt due date, start date	Dec. 31, 2020
Amount available for borrowing	$ 45,700,000
Debt instrument basis spread on variable rate	1.00%
Debt instrument, average interest rate during period	5.90%
VALHI, INC. \| Snake River
Debt Instrument [Line Items]
Outstanding debt obligations		$ 250,000,000
Weighted average fixed interest rate		9.40%
WCS \| Contran Credit Facility \| Contran \| Amounts Acquired in Business Divestiture
Debt Instrument [Line Items]
Acquired trade receivable			$ 36,300,000