Commitments and Contingencies - Other Litigation and Other Matters - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2017 USD ($) Cases Plaintiff Customer	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Commitments And Contingent Liabilities [Line Items]
Rent expense	$ 16,300,000	$ 14,300,000	$ 14,700,000
Chemicals | Minimum | Various Supply and Services Agreements
Commitments And Contingent Liabilities [Line Items]
Long term master agreements expiring	2018
Chemicals | Maximum | Various Supply and Services Agreements
Commitments And Contingent Liabilities [Line Items]
Long term master agreements expiring	2021
Chemicals | TiO2 Product
Commitments And Contingent Liabilities [Line Items]
Sale of TiO2, number of customers | Customer	4,000
Chemicals | Customer Concentration Risk | Behr Process Corporation | Net Sales
Commitments And Contingent Liabilities [Line Items]
Concentration risk percentage		10.00%	10.00%
Component Products Segment | Customer Concentration Risk | Top Ten Customers | Net Sales
Commitments And Contingent Liabilities [Line Items]
Concentration risk percentage	44.00%	46.00%	48.00%
Component Products | Customer Concentration Risk | United States Postal Service | Net Sales | Security​ Products​ Reporting​ Unit​
Commitments And Contingent Liabilities [Line Items]
Concentration risk percentage	16.00%	14.00%	13.00%
Component Products | Customer Concentration Risk | Harley Davidson Inc | Net Sales | Security​ Products​ Reporting​ Unit​
Commitments And Contingent Liabilities [Line Items]
Concentration risk percentage		11.00%	12.00%
Real Estate Management And Development | Customer Concentration Risk | Net Sales | Minimum
Commitments And Contingent Liabilities [Line Items]
Concentration risk percentage	10.00%	10.00%	10.00%
Real Estate Management And Development | Customer Concentration Risk | Richmond Homes of Nevada | Net Sales
Commitments And Contingent Liabilities [Line Items]
Concentration risk percentage	37.00%	15.00%	27.00%
Real Estate Management And Development | Customer Concentration Risk | LV East Gibson, LLC | Net Sales
Commitments And Contingent Liabilities [Line Items]
Concentration risk percentage			17.00%
Real Estate Management And Development | Customer Concentration Risk | Prologis, L.P | Net Sales
Commitments And Contingent Liabilities [Line Items]
Concentration risk percentage			11.00%
Real Estate Management And Development | Customer Concentration Risk | Greystone Nevada LLC | Net Sales
Commitments And Contingent Liabilities [Line Items]
Concentration risk percentage	22.00%	34.00%
Real Estate Management And Development | Customer Concentration Risk | City Of Henderson | Net Sales
Commitments And Contingent Liabilities [Line Items]
Concentration risk percentage	11.00%		15.00%
Real Estate Management And Development | Customer Concentration Risk | Henderson Interchange Centers LLC | Net Sales
Commitments And Contingent Liabilities [Line Items]
Concentration risk percentage		12.00%
TiO2 | Chemicals | TiO2 Product | Net Sales
Commitments And Contingent Liabilities [Line Items]
Concentration risk percentage	94.00%	93.00%	92.00%
TiO2 | Chemicals | Customer Concentration Risk | Top Ten Customers | Net Sales
Commitments And Contingent Liabilities [Line Items]
Concentration risk percentage	34.00%	33.00%	34.00%
Feedstock Ore | Chemicals
Commitments And Contingent Liabilities [Line Items]
Minimum purchase commitments	$ 383,000,000
Other Supply And Service Contracts | Chemicals
Commitments And Contingent Liabilities [Line Items]
Minimum purchase commitments	$ 128,000,000
City of Henderson Redevelopment Agency | OPA
Commitments And Contingent Liabilities [Line Items]
Tax increment reimbursement percentage	75.00%
City of Henderson Redevelopment Agency | Maximum | OPA
Commitments And Contingent Liabilities [Line Items]
Reimbursement revenue	$ 209,000,000
Product Liability And Occupational Exposure Litigation Claims | NL
Commitments And Contingent Liabilities [Line Items]
Cases pending | Cases	101
Product Liability And Occupational Exposure Litigation Claims | NL | Pending Claims
Commitments And Contingent Liabilities [Line Items]
Number of plaintiffs involved | Plaintiff	574
Product Liability And Occupational Exposure Litigation Claims | NL | Administratively Dismissed Claims
Commitments And Contingent Liabilities [Line Items]
Number of plaintiffs involved | Plaintiff	8,676