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RESTRUCTURING AND ASSET RELATED CHARGES - NET (2023 Restructuring Program) (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net | $ 0 |  |  | $ 0 | $ 549,000,000 | $ 186,000,000
Restructuring Charges | 82,000,000 |  |  | 11,000,000 | 688,000,000 | 31,000,000
2023 Restructuring Program |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring Reserve | 163,000,000 | $ 273,000,000 | $ 333,000,000 |  | $ 163,000,000 |
Payments for Restructuring | $ 110,000,000 | 60,000,000 | 11,000,000 |  |  |
Restructuring Reserve, Settled without Cash |  | 8,000,000 | 197,000,000 |  |  |
Restructuring and asset related charges - net |  | 8,000,000 | 541,000,000 |  |  |
Restructuring Reserve, Settled without Cash |  | (8,000,000) | (197,000,000) |  |  |
Restructuring and related workforce reduction | 2,000 |  |  |  | 2,000 |
Restructuring Charges |  |  |  |  | $ 549,000,000 |
2023 Restructuring Program | Employee Severance [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring Reserve | $ 163,000,000 | 273,000,000 | 333,000,000 |  | 163,000,000 |
Payments for Restructuring | 110,000,000 | 60,000,000 | 11,000,000 |  |  |
Restructuring Reserve, Settled without Cash |  | 0 | 0 |  |  |
Restructuring and asset related charges - net |  | 0 | 344,000,000 |  |  |
Restructuring Reserve, Settled without Cash |  | 0 | 0 |  |  |
Restructuring Charges |  |  |  |  | 344,000,000 |
2023 Restructuring Program | Asset write-downs and write-offs [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring Reserve | 0 | 0 | 0 |  | 0 |
Payments for Restructuring | 0 | 0 | 0 |  |  |
Restructuring Reserve, Settled without Cash |  | 8,000,000 | 197,000,000 |  |  |
Restructuring and asset related charges - net |  | 8,000,000 | 197,000,000 |  |  |
Restructuring Reserve, Settled without Cash |  | (8,000,000) | (197,000,000) |  |  |
Restructuring Charges |  |  |  |  | 205,000,000 |
2023 Restructuring Program | Restructuring Implementation Costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Payments for Restructuring | 280,000,000 |  |  |  |  |
Packaging & Specialty Plastics [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring Charges | 0 |  |  | 0 | 1,000,000 | 0
Packaging & Specialty Plastics [Member] | 2023 Restructuring Program |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 1,000,000 |  |  |
Packaging & Specialty Plastics [Member] | 2023 Restructuring Program | Employee Severance [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 0 |  |  |
Packaging & Specialty Plastics [Member] | 2023 Restructuring Program | Asset write-downs and write-offs [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 1,000,000 |  |  |
Industrial Intermediates & Infrastructure [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring Charges | 0 |  |  | 0 | 48,000,000 | 0
Industrial Intermediates & Infrastructure [Member] | 2023 Restructuring Program |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  | 8,000,000 | 40,000,000 |  |  |
Industrial Intermediates & Infrastructure [Member] | 2023 Restructuring Program | Employee Severance [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  | 0 | 0 |  |  |
Industrial Intermediates & Infrastructure [Member] | 2023 Restructuring Program | Asset write-downs and write-offs [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  | $ 8,000,000 | 40,000,000 |  |  |
Performance Materials & Coatings [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring Charges | 0 |  |  | 0 | 67,000,000 | 0
Performance Materials & Coatings [Member] | 2023 Restructuring Program |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 49,000,000 |  |  |
Performance Materials & Coatings [Member] | 2023 Restructuring Program | Employee Severance [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 0 |  |  |
Performance Materials & Coatings [Member] | 2023 Restructuring Program | Asset write-downs and write-offs [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 49,000,000 |  |  |
Corporate Segment [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring Charges | 82,000,000 |  |  | $ 11,000,000 | 572,000,000 | $ 31,000,000
Corporate Segment [Member] | 2023 Restructuring Program |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 451,000,000 |  |  |
Corporate Segment [Member] | 2023 Restructuring Program | Employee Severance [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 344,000,000 |  |  |
Corporate Segment [Member] | 2023 Restructuring Program | Asset write-downs and write-offs [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | $ 107,000,000 |  |  |
Accrued and Other Current Liabilities [Member] | 2023 Restructuring Program |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring Reserve | 105,000,000 |  |  |  | 105,000,000 |
Other Noncurrent Obligations [Member] | 2023 Restructuring Program |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring Reserve | $ 58,000,000 |  |  |  | $ 58,000,000 |

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