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Segment Information, Segment Reporting Information (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Segment Reporting Information [Line Items] |  |
Net sales | $ 569 | $ 476
Income (loss) from operations | 16 | (31)
Interest and debt expense, net | (46) | (46)
Gain on extinguishment of debt | 0 | 4
Other income (expense), net | (6) | (9)
Income (loss) before income taxes | (36) | (82)
Income tax provision | (2) | (12)
Net income (loss) | (38) | (94)
Corporate Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Income (loss) from operations | (35) | (16)
TiO2 Segment [Member] | Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 378 | 285
Income (loss) from operations | 32 | (36)
Alkali Segment [Member] | Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 191 | 191
Income (loss) from operations | $ 19 | $ 21

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