Related Party Transactions - Receivables from and Payables to Affiliates (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current receivables from affiliates:
Receivable from affiliates	$ 14.7	$ 0.3
Current payables to affiliates:
Payable to affiliates	51.5	52.8
Payable to affiliate included in long-term debt	376.5	157.6
Louisiana Pigment Company
Current receivables from affiliates:
Receivable from affiliates	14.2	0
Current payables to affiliates:
Payable to affiliates	21.1	23.4
Contran
Current receivables from affiliates:
Receivable from affiliates	0.5	0.3
Current payables to affiliates:
Income taxes, net	4.3	2.6
Trade items	26.1	26.8
VALHI, INC. \| Contran \| Credit Facility
Current payables to affiliates:
Payable to affiliate included in long-term debt	206.5	157.6
Kronos Worldwide, Inc. \| Contran \| Credit Facility
Current payables to affiliates:
Payable to affiliate included in long-term debt	$ 170.0

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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The aggregate amount of receivables to be collected 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, at the financial statement date. which are usually due within one year (or one business cycle).

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- Definition

Amount of receivables owed to an entity that is affiliated with the reporting entity by means of direct or indirect ownership, which are usually due after one year (or one business cycle, if longer).

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- Definition

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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