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COMMITMENTS AND CONTINGENCIES Nova Ethylene Asset Matter (Details) - Nova Ethylene Asset Matter [Member] $ in Millions, $ in Millions |  |  |  | 1 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2020 USD ($) | Oct. 11, 2019 CAD ($) | Oct. 11, 2019 USD ($) | Sep. 18, 2019 CAD ($) | Sep. 18, 2019 USD ($) | Oct. 24, 2019 CAD ($) | Jun. 30, 2022 USD ($) | Dec. 31, 2021 USD ($)
Gain Contingencies [Line Items] |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded from Other Party |  |  |  | $ 1,430 | $ 1,080 |  |  |
Proceeds from Legal Settlements | $ 259 | $ 1,080 | $ 800 |  |  |  |  |
Litigation settlement, Amount Awarded from Other Party - Withholding Tax |  |  |  |  |  | $ 347 |  |
Estimated Litigation Liability, Noncurrent |  |  |  |  |  |  | $ 323 | $ 323

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- Definition Carrying amount of estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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