COMMITMENTS AND CONTINGENT LIABILITIES Indemnifications with Corning (Details) - Other noncurrent assets - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Loss Contingencies [Line Items]
Indemnification Asset	$ 31	$ 33
Dow Silicones Corporation [Member]
Loss Contingencies [Line Items]
Indemnification Asset	$ 115	$ 115

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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