Commitments and Contingencies - Summary of Approximate Percentage of TiO2 Sales by Volume (Detail) - Net Sales - Geographic Concentration Risk |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| European | |||
| Schedule Of Net Sales By Geographical Segment [Line Items] | |||
| Approximate percent sales by volume | 51.00% | 52.00% | 50.00% |
| North America | |||
| Schedule Of Net Sales By Geographical Segment [Line Items] | |||
| Approximate percent sales by volume | 29.00% | 29.00% | 33.00% |