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COMMITMENTS AND CONTINGENCIES (Asbestos-Related Matters of Union Carbide Corporation) (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
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Loss Contingencies [Line Items] |  |
Liability for Asbestos and Environmental Claims, Gross | $ 884 | $ 947
Percentage of recorded asbestos liability related to pending claims | 23.00% |
Percentage of recorded asbestos liability related to future claims | 77.00% |

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