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FAIR VALUE MEASUREMENTS (Narrative) (Details) - USD ($) $ in Millions | Apr. 16, 2014 | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Fair Value Disclosures [Abstract] |  |  |
Fair value of debt |  | $ 3,900 | $ 3,900
Steward Health Care Systems, LLC [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Contingent consideration, liability | $ 4 |  |
Discount rate | 2.80% |  |
Contingent consideration value high |  | $ 3 |
Steward Health Care Systems, LLC [Member] | Minimum [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Fair value inputs, probability of occurrence | 5.00% |  |
Steward Health Care Systems, LLC [Member] | Maximum [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Fair value inputs, probability of occurrence | 95.00% |  |

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