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Goodwill and Other Intangible Assets, Net (Tables) | 12 Months Ended
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Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The following table sets forth the changes in the carrying amount of the Company’s goodwill by segment for the years ended December 31, 2024 and 2023.
|  | Thermal & Specialized Solutions |  |  | Titanium Technologies |  |  | Advanced Performance Materials |  |  | Other Segment |  |  | Total |
Balance at January 1, 2023 |  | $ | 33 |  |  | $ | 13 |  |  | $ | 56 |  |  | $ | — |  |  | $ | 102 |
Balance at December 31, 2023 |  |  | 33 |  |  |  | 13 |  |  |  | 56 |  |  |  | — |  |  |  | 102 |
Goodwill impairment |  |  | — |  |  |  | — |  |  |  | (56 | ) |  |  | — |  |  |  | (56 | )
Balance at December 31, 2024 |  | $ | 33 |  |  | $ | 13 |  |  | $ | — |  |  | $ | — |  |  | $ | 46 |
Schedule of Other Intangible Assets | The following table sets forth the gross carrying amounts and accumulated amortization of the Company’s other intangible assets by major class at December 31, 2024 and 2023.
|  | December 31, 2024 |  |  | December 31, 2023 |
|  | Cost |  |  | Accumulated Amortization |  |  | Net |  |  | Cost |  |  | Accumulated Amortization |  |  | Net |
Allowance units (1) |  | $ | 8 |  |  | $ | (5 | ) |  | $ | 3 |  |  | $ | 13 |  |  | $ | (10 | ) |  | $ | 3 |
Customer lists |  |  | 2 |  |  |  | (2 | ) |  |  | — |  |  |  | 2 |  |  |  | (2 | ) |  |  | — |
Customer relationships |  |  | 22 |  |  |  | (22 | ) |  |  | — |  |  |  | 22 |  |  |  | (22 | ) |  |  | — |
Patents |  |  | 13 |  |  |  | (13 | ) |  |  | — |  |  |  | 13 |  |  |  | (13 | ) |  |  | — |
Purchased and licensed technology |  |  | 3 |  |  |  | (3 | ) |  |  | — |  |  |  | 3 |  |  |  | (3 | ) |  |  | — |
Other |  |  | 11 |  |  |  | (11 | ) |  |  | — |  |  |  | 10 |  |  |  | (10 | ) |  |  | — |
Total other intangible assets |  | $ | 59 |  |  | $ | (56 | ) |  | $ | 3 |  |  | $ | 63 |  |  | $ | (60 | ) |  | $ | 3 |
(1) Allowance units represent rights purchased for the production and/or importation of regulated materials.

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
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