XML 107 R93.htm IDEA: XBRL DOCUMENT v3.19.1
CASH AND CASH EQUIVALENTS - Interest Rates on Cash and Cash Equivalents (Details)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Rupiah | Minimum    
CASH AND CASH EQUIVALENTS    
Interest rate on time deposits 2.60% 2.85%
Rupiah | Maximum    
CASH AND CASH EQUIVALENTS    
Interest rate on time deposits 9.25% 8.50%
Foreign currency | Minimum    
CASH AND CASH EQUIVALENTS    
Interest rate on time deposits 0.50% 0.40%
Foreign currency | Maximum    
CASH AND CASH EQUIVALENTS    
Interest rate on time deposits 3.75% 3.50%