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OTHER LIABILITIES, INCLUDING EMPLOYEE BENEFITS (Penion Plans) (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) executive_officer IDR / $ | Dec. 31, 2015 IDR / $
Domestic Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected return on plan assets |  | 7.00% |
Estimated future average expected rate of return on passively managed pension assets |  | 6.50% |
Estimated future average expected premium on actively managed pension assets |  | 0.50% |
Domestic Pension Plan | Equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation percentage of assets |  | 46.00% |
Domestic Pension Plan | Fixed Income Investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation percentage of assets |  | 43.00% |
Domestic Pension Plan | Alternative Investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation percentage of assets |  | 11.00% |
Foreign Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected return on plan assets |  | 7.75% |
Foreign currency exchange rate | IDR / $ |  | 13,369 | 13,726
SERP |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
SERP, Number of most senior executive officers | executive_officer |  | 2 |
Years of service required for annuity to equal percentage of executive's highest average compensation for any consecutive three-year period during the preceeding five years before retirement |  | 25 years |
Lump sum payment to retired executive officer |  | $ 27 |
Scenario, Forecast [Member] | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Estimated actuarial net loss (gain) in next fiscal year | $ 50 |  |

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- Definition The portion of the expected long-term rate of return on plan assets due to active management of the portfolio. + References No definition available. + Details
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