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DISPOSITIONS AND ACQUISITIONS - Kisanfu Transaction (Details) - Kisanfu [Member] - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Sale of Interest in Projects, Pretax | $ 550 |
Proceeds from Sale of Investment Projects | $ 415 |
Gain (Loss) on Sale of Interest in Projects |  | $ 486

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- Definition Gain (loss) included in earnings resulting from the sale of interest in projects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 + Details
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- Definition The cash inflow from the sale of investment projects held by an entity in hopes of getting a future return or interest from it. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585 + Details
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