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DISPOSITIONS AND ACQUISITIONS (TF Holdings Limited) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2020
Disposed of by Sale, Discontinued Operations | TF Holdings Limited |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Proceeds from divestiture, net | $ 2,650 |
Contingent receivable | $ 120 |
TF Holdings Limited |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Ownership percentage | 70.00% |
Cobalt | Disposed of by Sale, Discontinued Operations | TF Holdings Limited |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Contingent receivable |  | $ 60

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