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ASSETS IMPAIRMENTS AND RESTRUCTURING (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance Costs | $ 10 | $ 0 | $ 21 | $ 16 |
Business Exit Costs | 15 | 0 | 15 | 6 |
Restructuring, Settlement and Impairment Provisions | 30 | 0 | 41 | 22 |
Restructuring Charge [Roll Forward] |  |  |  |  |
Balance at Beginning of Period |  |  | 26 | 35 | $ 35
Provision / Adjustments |  |  | 41 |  | 37
Restructuring Reserve, Accrual Adjustment |  |  | (5) |  | 0
Cash Reductions |  |  | (28) |  | (46)
Balance at End of Period | 34 |  | 34 |  | 26
Asset impairment charges | 5 | $ 0 | 5 | 0 |
Facility Closing [Member] |  |  |  |  |
Restructuring Charge [Roll Forward] |  |  |  |  |
Balance at Beginning of Period |  |  | 0 | 1 | 1
Provision / Adjustments |  |  | 15 |  | 6
Restructuring Reserve, Accrual Adjustment |  |  | 0 |  | 0
Cash Reductions |  |  | (6) |  | (7)
Balance at End of Period | 9 |  | 9 |  | 0
Employee Severance [Member] |  |  |  |  |
Restructuring Charge [Roll Forward] |  |  |  |  |
Balance at Beginning of Period |  |  | 26 | 34 | 34
Provision / Adjustments |  |  | 21 |  | 31
Restructuring Reserve, Accrual Adjustment |  |  | 0 |  | 0
Cash Reductions |  |  | (22) |  | (39)
Balance at End of Period | 25 |  | 25 |  | 26
Non-Cash Charges [Member] |  |  |  |  |
Restructuring Charge [Roll Forward] |  |  |  |  |
Balance at Beginning of Period |  |  | 0 |  |
Provision / Adjustments |  |  | 5 |  |
Restructuring Reserve, Accrual Adjustment |  |  | (5) |  |
Cash Reductions |  |  | 0 |  |
Balance at End of Period | 0 |  | 0 |  | $ 0
Site Closure Acetate Yarn Europe | Fibers [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Business Exit Costs |  |  |  | 6 |
Site Closure Acetate Yarn Europe | Fibers [Member] | Cost of Sales [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and Related Cost, Accelerated Depreciation |  |  |  | $ 23 |
closure of a solvent-based resins production line at an advanced interlayers facility in North America |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance Costs | 4 |  | 4 |  |
Business Exit Costs | 9 |  | 9 |  |
Restructuring Charge [Roll Forward] |  |  |  |  |
Asset impairment charges | 5 |  | 5 |  |
closure of a solvent-based resins production line at an advanced interlayers facility in North America | Advanced Materials [Member] | Cost of Sales [Member] |  |  |  |  |
Restructuring Charge [Roll Forward] |  |  |  |  |
Inventory Write-down | 4 |  | 4 |  |
closure of a solvent-based resins production line at an advanced interlayers facility in North America | Additives And Functional Products [Member] | Cost of Sales [Member] |  |  |  |  |
Restructuring Charge [Roll Forward] |  |  |  |  |
Inventory Write-down | 3 |  | 3 |  |
cost reduction initiatives | Corporate, Non-Segment [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance Costs | 6 |  | 17 |  |
growth and profitability improvement initiatives | Corporate, Non-Segment [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Business Exit Costs | $ 6 |  | $ 6 |  |

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