| Goodwill and Intangible Assets, Net Goodwill | | | | | | | | | | | | | | | | | | | | | | Engineered Materials | | | | Acetyl Chain | | Total | | | (In $ millions) | | As of December 31, 2025(1) | 3,782 | | | | | 389 | | | 4,171 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Transfer(2) | 2 | | | | | — | | | 2 | | | | Exchange rate changes | (15) | | | | | (7) | | | (22) | | | As of June 30, 2026(1) | 3,769 | | | | | 382 | | | 4,151 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
______________________________ (1)Includes accumulated impairment losses of $2.7 billion in the Engineered Materials segment. (2)Related to the sale of the Micromax® business (Note 3). Intangible Assets, Net Finite-lived intangible assets are as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Licenses | | Customer- Related Intangible Assets | | Developed Technology | | Covenants Not to Compete and Other | | Total | | | (In $ millions) | | | Gross Asset Value | | | | | | | | | | | | As of December 31, 2025 | 41 | | | 2,431 | | | 563 | | | 54 | | | 3,089 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Exchange rate changes | 1 | | | (22) | | | (7) | | | 1 | | | (27) | | | | As of June 30, 2026 | 42 | | | 2,409 | | | 556 | | | 55 | | | 3,062 | | | | Accumulated Amortization | | | | | | | | | | | | As of December 31, 2025 | (39) | | | (887) | | | (170) | | | (44) | | | (1,140) | | | | Amortization | — | | | (59) | | | (20) | | | — | | | (79) | | | | | | | | | | | | | | | | | | | | | | | | | | Exchange rate changes | (1) | | | 13 | | | 2 | | | — | | | 14 | | | | As of June 30, 2026 | (40) | | | (933) | | | (188) | | | (44) | | | (1,205) | | | | Net book value | 2 | | | 1,476 | | | 368 | | | 11 | | | 1,857 | | |
Indefinite-lived intangible assets are as follows: | | | | | | | | Trademarks and Trade Names | | | (In $ millions) | | | As of December 31, 2025 | 1,235 | | | | | | | | | | | | | Exchange rate changes | (17) | | | | As of June 30, 2026 | 1,218 | | | | | | | | | | | | | | | | | | | | |
During the six months ended June 30, 2026, the Company did not renew or extend any intangible assets. Estimated amortization expense for the succeeding five fiscal years is as follows: | | | | | | | (In $ millions) | | 2027 | 157 | | | 2028 | 157 | | | 2029 | 152 | | | 2030 | 149 | | | 2031 | 147 | |
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