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v3.19.3.a.u2

DISCONTINUED OPERATIONS (Details) - NID - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Gain on settling uncertain tax benefits | $ 20 | $ 20
Refund from taxing authorities related to settlement of the uncertain tax benefits |  | $ 28

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