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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