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SEGMENT AND REGIONAL SALES INFORMATION (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) Segment | Sep. 30, 2023 USD ($)
Segment Reporting Information [Line Items] |  |  |  |
Number of Operating Segments | Segment |  |  | 4 |
Sales [Abstract] |  |  |  |
Sales | $ 2,464 | $ 2,267 | $ 7,137 | $ 7,003
Earnings (Loss) Before Interest and Taxes [Abstract] |  |  |  |
Earnings before interest and taxes | 329 | 256 | 929 | 825
Operating Segments [Member] |  |  |  |
Sales [Abstract] |  |  |  |
Sales | 2,460 | 2,266 | 7,124 | 7,000
Earnings (Loss) Before Interest and Taxes [Abstract] |  |  |  |
Earnings before interest and taxes | 382 | 313 | 1,126 | 1,014
Corporate, Non-Segment [Member] |  |  |  |
Sales [Abstract] |  |  |  |
Sales | 4 | 1 | 13 | 3
Corporate, Non-Segment [Member] | Growth Initiatives and Businesses not Allocated to Segments [Member] |  |  |  |
Earnings (Loss) Before Interest and Taxes [Abstract] |  |  |  |
Earnings before interest and taxes | (43) | (49) | (155) | (145)
Corporate, Non-Segment [Member] | Pension and OPEB Costs Not Allocated to Operating Segments [Member] |  |  |  |
Earnings (Loss) Before Interest and Taxes [Abstract] |  |  |  |
Earnings before interest and taxes | 2 | (4) | 6 | (12)
Corporate, Non-Segment [Member] | Steam Line Incident |  |  |  |
Earnings (Loss) Before Interest and Taxes [Abstract] |  |  |  |
Earnings before interest and taxes | 0 | 0 | 0 | 8
Corporate, Non-Segment [Member] | Asset impairments and restructuring charges, net |  |  |  |
Earnings (Loss) Before Interest and Taxes [Abstract] |  |  |  |
Earnings before interest and taxes | (12) | 0 | (23) | (16)
Corporate, Non-Segment [Member] | Other Nonoperating Income (Expense) [Member] |  |  |  |
Earnings (Loss) Before Interest and Taxes [Abstract] |  |  |  |
Earnings before interest and taxes | 0 | (4) | (25) | (24)
Additives And Functional Products [Member] |  |  |  |
Earnings (Loss) Before Interest and Taxes [Abstract] |  |  |  |
Earnings before interest and taxes | 127 | 105 | 359 | 369
Additives And Functional Products [Member] | Operating Segments [Member] |  |  |  |
Sales [Abstract] |  |  |  |
Sales | 744 | 670 | 2,166 | 2,194
Advanced Materials [Member] |  |  |  |
Earnings (Loss) Before Interest and Taxes [Abstract] |  |  |  |
Earnings before interest and taxes | 100 | 93 | 335 | 278
Advanced Materials [Member] | Operating Segments [Member] |  |  |  |
Sales [Abstract] |  |  |  |
Sales | 787 | 746 | 2,330 | 2,227
Chemical Intermediates [Member] |  |  |  |
Earnings (Loss) Before Interest and Taxes [Abstract] |  |  |  |
Earnings before interest and taxes | 43 | 6 | 81 | 87
Chemical Intermediates [Member] | Operating Segments [Member] |  |  |  |
Sales [Abstract] |  |  |  |
Sales | 593 | 527 | 1,631 | 1,630
Fibers [Member] |  |  |  |
Earnings (Loss) Before Interest and Taxes [Abstract] |  |  |  |
Earnings before interest and taxes | 112 | 109 | 351 | 280
Fibers [Member] | Operating Segments [Member] |  |  |  |
Sales [Abstract] |  |  |  |
Sales | $ 336 | $ 323 | $ 997 | $ 949

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