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OTHER LIABILITIES, INCLUDING EMPLOYEE BENEFITS (Penion Plans) (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 USD ($) | Dec. 31, 2017 IDR / $ | Dec. 31, 2016 IDR / $
Domestic Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected return on plan assets |  | 6.50% |
Estimated future average expected rate of return on passively managed pension assets |  | 6.00% |
Estimated future average expected premium on actively managed pension assets |  | 0.50% |
Domestic Plan [Member] | Equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation percentage of assets |  | 50.00% |
Domestic Plan [Member] | Fixed Income Investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation percentage of assets |  | 43.00% |
Domestic Plan [Member] | Alternative Investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation percentage of assets |  | 7.00% |
SERP |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
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 |
Foreign Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected return on plan assets |  | 7.75% |
Foreign currency exchange rate | IDR / $ |  | 13,480 | 13,369
Scenario, Forecast [Member] | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Estimated actuarial net loss (gain) in next fiscal year | $ | $ 47 |  |

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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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- Definition The portion of the expected long-term rate of return on plan assets from the passive return on a compound basis. + References No definition available. + Details
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- Definition Years Of Service Required For Annuity To Equal Percentage Of Executive Highest Average Compensation For Three Year Period Or Five Years Before Retirement If Less + References No definition available. + Details
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- Definition Amount of gain (loss), recognized immediately as component of net periodic benefit (cost) credit, for change in value of benefit obligation or plan assets from experience different from that assumed, change in actuarial assumption, or consequence of temporarily deviating from substantive plan. Includes, but is not limited to, amount in excess of ten percent of greater of fair value of plan assets or benefit obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64937038&loc=d3e11661-114930 + Details
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- Definition Weighted average rate of return on plan assets, used to determine net periodic benefit cost (credit) of defined benefit plan, in subsequent interim measurement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2919-114920 + Details
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