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ASSETS IMPAIRMENTS AND RESTRUCTURING (Tables) | 3 Months Ended
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Mar. 31, 2025
Restructuring Costs and Asset Impairment Charges [Abstract] |
Schedule of Restructuring Reserve by Type of Cost [Table Text Block] | The following table summarizes the changes in asset impairments and restructuring reserves in first three months 2025 and full year 2024:
(Dollars in millions) | Balance at January 1, 2025 |  | Provision/ Adjustments |  | Non-cash Reductions/ Additions |  | Cash Reductions |  | Balance at March 31, 2025
Severance charges | $ | 23 |  |  | $ | 1 |  |  | $ | — |  |  | $ | (6) |  |  | $ | 18 |
Restructuring and other charges | 3 |  |  | 8 |  |  | — |  |  | (6) |  |  | 5 |
Total | $ | 26 |  |  | $ | 9 |  |  | $ | — |  |  | $ | (12) |  |  | $ | 23 |
(Dollars in millions) | Balance at January 1, 2024 |  | Provision/ Adjustments |  | Non-cash Reductions/ Additions |  | Cash Reductions |  | Balance at December 31, 2024
Non-cash charges | $ | — |  |  | $ | 5 |  |  | $ | (5) |  |  | $ | — |  |  | $ | — |
Severance charges | 26 |  |  | 25 |  |  | — |  |  | (28) |  |  | 23 |
Restructuring and other charges | — |  |  | 21 |  |  | — |  |  | (18) |  |  | 3 |
Total | $ | 26 |  |  | $ | 51 |  |  | $ | (5) |  |  | $ | (46) |  |  | $ | 26 |
Restructuring and Related Costs [Table Text Block] |
(Dollars in millions) | First Quarter |  |
| 2025 |  | 2024 |  |  |  |
Severance charges (1)(2) | $ | 1 |  |  | $ | 11 |  |  |  |  |
Restructuring and other charges (1)(3) | 8 |  |  | — |  |  |  |  |
Total | $ | 9 |  |  | $ | 11 |  |  |  |  |
(1)Severance charges of $1 million and restructuring charges of $3 million in first quarter 2025 related to the closure of a heat-transfer fluids production line at a North America specialty fluids and energy facility in the Additives & Functional Products segment. (2)Severance charges in first quarter 2024 related to corporate cost reductions actions which are reported in "Other". (3)Charges of $5 million related to profitability improvement initiatives which are reported in "Other".

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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