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DISPOSITIONS AND ACQUISITIONS (Net Income (Loss) from Discontinued Operations) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net gain on sales of assets |  |  |  |  | $ 82 | $ 70 | $ 45 | $ 11 | $ 417 | $ 208 | $ 81
Net (loss) gain on disposal |  |  |  |  |  |  |  |  | 3 | (15) | 57
Net (loss) income from discontinued operations | $ 1 | $ 1 | $ 0 | $ 1 | $ 4 | $ (4) | $ (4) | $ (11) | 3 | (15) | 66
Eliminations |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net (loss) income from discontinued operations |  |  |  |  |  |  |  |  | 0 | 0 | 0
TF Holdings Limited | Disposed of by Sale, Discontinued Operations |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income (loss) before income taxes and net (loss) gain on disposal |  |  |  |  |  |  |  |  | 0 | 0 | 13
Net (loss) gain on disposal |  |  |  |  |  |  |  |  | 3 | (15) | 57
Net (loss) income before income taxes |  |  |  |  |  |  |  |  | 3 | (15) | 70
(Provision for) benefit from income taxes |  |  |  |  |  |  |  |  | 0 | 0 | (4)
Net (loss) income from discontinued operations |  |  |  |  |  |  |  |  | 3 | (15) | 66
Chainge in fair value of contingent consideration |  |  |  |  |  |  |  |  | $ 3 | $ (17) | $ 61

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