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RELATED PARTY TRANSACTIONS (Details) - IDR (Rp)
Rp in Billions
12 Months Ended
Jan. 01, 1995
Dec. 31, 2017
Dec. 31, 2016
Transactions with related parties      
Guarantees provided or received for any related party receivables or payables   Rp 0  
Impairment of receivables from related parties   Rp 394  
Collections made by the Company (as a percent) 1.00%    
Tiphone      
Transactions with related parties      
Percentage of ownership   24.00% 24.43%