Commitments and Contingencies - Approximate Percentage of TiO2 Sales by Volume for Segments (Detail) (Geographic Concentration Risk, Component Segment)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Europe
Schedule Of Sales Revenue By Business Segment [Line Items]
Sale of TiO2, percentage	49.00%	47.00%	53.00%
North America
Schedule Of Sales Revenue By Business Segment [Line Items]
Sale of TiO2, percentage	33.00%	35.00%	32.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

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-Section 50

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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