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TAXES ON INCOME (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Gain on disposition of business | $ 0 | $ 334 | $ 118 | $ 334
Deferred income tax provision |  |  | $ 19 | $ 138
Clinical Trials [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Gain on disposition of business |  | 334 |  |
Deferred income tax provision |  | $ 145 |  |

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