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GOODWILL AND OTHER INTANGIBLE ASSETS Part 1 (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Changes in carrying amount of goodwill [Roll Forward] |  |  |
Beginning Balance | $ 4,431 | $ 4,467 |
Acquisitions |  | 15 |
Impairments recognized |  | (45) |
Currency translation adjustments | 34 | (6) |
Ending Balance | 4,465 | 4,431 | $ 4,467
Additives And Functional Products [Member] |  |  |
Changes in carrying amount of goodwill [Roll Forward] |  |  |
Beginning Balance | 2,377 | 2,410 |
Acquisitions |  | 15 |
Impairments recognized | 0 | (45) | (38)
Currency translation adjustments | 20 | (3) |
Ending Balance | 2,397 | 2,377 | 2,410
Goodwill, Impaired, Accumulated Impairment Loss | 106 |  |
Advanced Materials [Member] |  |  |
Changes in carrying amount of goodwill [Roll Forward] |  |  |
Beginning Balance | 1,282 | 1,283 |
Acquisitions |  | 0 |
Impairments recognized |  | 0 |
Currency translation adjustments | 10 | (1) |
Ending Balance | 1,292 | 1,282 | 1,283
Chemical Intermediates [Member] |  |  |
Changes in carrying amount of goodwill [Roll Forward] |  |  |
Beginning Balance | 762 | 764 |
Acquisitions |  | 0 |
Impairments recognized |  | 0 |
Currency translation adjustments | 4 | (2) |
Ending Balance | 766 | 762 | 764
Goodwill, Impaired, Accumulated Impairment Loss | 12 |  |
Other Segments [Member] |  |  |
Changes in carrying amount of goodwill [Roll Forward] |  |  |
Beginning Balance | 10 | 10 |
Acquisitions |  | 0 |
Impairments recognized |  | 0 |
Currency translation adjustments | 0 | 0 |
Ending Balance | 10 | 10 | $ 10
Goodwill, Impaired, Accumulated Impairment Loss | 14 |  |
Crop Protection [Member] | Additives And Functional Products [Member] |  |  |
Changes in carrying amount of goodwill [Roll Forward] |  |  |
Beginning Balance | $ 190 |  |
Ending Balance |  | 190 |
Goodwill, Impairment Loss, Net of Tax |  | $ 45 |

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