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Segment Information, Schedule of Capital Expenditures by Segment (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Segment Reporting Information [Line Items] |  |
Capital expenditures | $ 32 | $ 33
TiO2 Segment [Member] | Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Capital expenditures | 20 | 17
Alkali Segment [Member] | Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Capital expenditures | $ 12 | $ 16

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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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