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Restructuring and related activities (2020 Restructuring Program) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 22 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Dec. 31, 2020
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring Charges | $ 10 |  |  |  | $ 43 |  | $ 20 | $ 53 |  |
Packaging & Specialty Plastics [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring Charges | 0 |  |  |  | 8 |  | 0 | 8 |  |
Industrial Intermediates & Infrastructure [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring Charges | 0 |  |  |  | 1 |  | 0 | 1 |  |
Performance Materials & Coatings [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring Charges | 0 |  |  |  | 10 |  | 0 | 10 |  |
Corporate Segment [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring Charges | 10 |  |  |  | 24 |  | 20 | 34 |  |
2020 Restructuring Program [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 22 |  |  |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  | $ 585 |
Restructuring Reserve, Settled without Cash |  |  |  |  | (12) |  |  |  |  |
Payments for Restructuring | 10 | $ 60 | $ 34 | $ 57 | 56 | $ 49 |  |  |  |
Restructuring Reserve | 98 | 108 | 168 | 212 | 269 | 315 | 98 | 269 | 98 | $ 364
2020 Restructuring Program [Member] | Accrued and Other Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring Reserve | 44 |  | 112 |  |  |  | 44 |  | 44 |
2020 Restructuring Program [Member] | Other Noncurrent Obligations [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring Reserve | 54 |  | 56 |  |  |  | 54 |  | 54 |
2020 Restructuring Program [Member] | Packaging & Specialty Plastics [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 8 |  |  |  |  |
2020 Restructuring Program [Member] | Industrial Intermediates & Infrastructure [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 1 |  |  |  |  |
2020 Restructuring Program [Member] | Performance Materials & Coatings [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 10 |  |  |  |  |
2020 Restructuring Program [Member] | Corporate Segment [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | (10) |  | 3 |  |  |  |  |
Employee Severance [Member] | 2020 Restructuring Program [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 0 |  |  |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  | 287 |
Restructuring Reserve, Settled without Cash |  |  |  |  | 0 |  |  |  |  |
Payments for Restructuring | 8 | 59 | 30 | 55 | 53 | 37 |  |  |  |
Restructuring Reserve | 37 | 45 | 104 | 144 | 199 | 252 | 37 | 199 | 37 | 289
Employee Severance [Member] | 2020 Restructuring Program [Member] | Packaging & Specialty Plastics [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 0 |  |  |  |  |
Employee Severance [Member] | 2020 Restructuring Program [Member] | Industrial Intermediates & Infrastructure [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 0 |  |  |  |  |
Employee Severance [Member] | 2020 Restructuring Program [Member] | Performance Materials & Coatings [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 0 |  |  |  |  |
Employee Severance [Member] | 2020 Restructuring Program [Member] | Corporate Segment [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | (10) |  | 0 |  |  |  |  |
Asset write-downs and write-offs [Member] | 2020 Restructuring Program [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 12 |  |  |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  | 208 |
Restructuring Reserve, Settled without Cash |  |  |  |  | (12) |  |  |  |  |
Payments for Restructuring | 0 | 0 | 0 | 0 | 0 | 0 |  |  |  |
Restructuring Reserve | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
Asset write-downs and write-offs [Member] | 2020 Restructuring Program [Member] | Packaging & Specialty Plastics [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 0 |  |  |  |  |
Asset write-downs and write-offs [Member] | 2020 Restructuring Program [Member] | Industrial Intermediates & Infrastructure [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 1 |  |  |  |  |
Asset write-downs and write-offs [Member] | 2020 Restructuring Program [Member] | Performance Materials & Coatings [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 8 |  |  |  |  |
Asset write-downs and write-offs [Member] | 2020 Restructuring Program [Member] | Corporate Segment [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | 0 |  | 3 |  |  |  |  |
Costs Associated with Exit and Disposal Activities [Member] | 2020 Restructuring Program [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 10 |  |  |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  | 90 |
Restructuring Reserve, Settled without Cash |  |  |  |  | 0 |  |  |  |  |
Payments for Restructuring | 2 | 1 | 4 | 2 | 3 | 12 |  |  |  |
Restructuring Reserve | $ 61 | $ 63 | 64 | $ 68 | 70 | $ 63 | $ 61 | $ 70 | $ 61 | $ 75
Costs Associated with Exit and Disposal Activities [Member] | 2020 Restructuring Program [Member] | Packaging & Specialty Plastics [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 8 |  |  |  |  |
Costs Associated with Exit and Disposal Activities [Member] | 2020 Restructuring Program [Member] | Industrial Intermediates & Infrastructure [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 0 |  |  |  |  |
Costs Associated with Exit and Disposal Activities [Member] | 2020 Restructuring Program [Member] | Performance Materials & Coatings [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  |  |  | 2 |  |  |  |  |
Costs Associated with Exit and Disposal Activities [Member] | 2020 Restructuring Program [Member] | Corporate Segment [Member] |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and asset related charges - net |  |  | $ 0 |  | $ 0 |  |  |  |  |

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3367-108585 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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