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FAIR VALUE MEASUREMENTS (Summary of Nonrecurring Measured Fair Values) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net | $ 0 |  |  | $ 0 | $ 549 | $ 186
2023 Restructuring Program |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  | $ 8 | $ 541 |  |  |
2023 Restructuring Program | Packaging & Specialty Plastics [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 1 |  |  |
2023 Restructuring Program | Industrial Intermediates & Infrastructure [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  | 8 | 40 |  |  |
2023 Restructuring Program | Performance Materials & Coatings [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 49 |  |  |
2023 Restructuring Program | Corporate Segment [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 451 |  |  |
Asset write-downs and write-offs [Member] | 2023 Restructuring Program |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  | 8 | 197 |  |  |
Asset write-downs and write-offs [Member] | 2023 Restructuring Program | Packaging & Specialty Plastics [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 1 |  |  |
Asset write-downs and write-offs [Member] | 2023 Restructuring Program | Industrial Intermediates & Infrastructure [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  | 8 |  |  |  |
Restructuring and asset related charges - net |  | $ 8 | 40 |  |  |
Asset write-downs and write-offs [Member] | 2023 Restructuring Program | Performance Materials & Coatings [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 49 |  |  |
Asset write-downs and write-offs [Member] | 2023 Restructuring Program | Corporate Segment [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 107 |  |  |
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Non-manufacturing Assets [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets, Fair Value Disclosure |  |  | 16 |  |  |
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Leased, Non-manufacturing Facilities [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets, Fair Value Disclosure |  |  | $ 9 |  |  |

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