COMMITMENTS AND CONTINGENCIES (Asbestos-Related Matters of Union Carbide Corporation) (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Loss Contingencies [Line Items]
Liability for Asbestos and Environmental Claims, Gross	$ 684	$ 708
Percentage of recorded asbestos liability related to pending claims	32.00%
Percentage of recorded asbestos liability related to future claims	68.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

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