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Commitments and Contingencies - Approximate Percentage of TiO2 Sales by Volume for Segments (Detail) (Geographic Concentration Risk, Component Segment) | 12 Months Ended
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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%

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