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OPERATION, MAINTENANCE AND TELECOMMUNICATION SERVICE EXPENSES (Details)
$ in Millions, Rp in Billions
 12 Months Ended
Dec. 31, 2021
IDR (Rp)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
IDR (Rp)
Dec. 31, 2019
IDR (Rp)
OPERATION, MAINTENANCE AND TELECOMMUNICATION SERVICE EXPENSES        
Operation and maintenance Rp 21,467   Rp 19,956 Rp 20,417
Radio frequency usage charges (Note 34c.i) 6,097   5,930 5,736
Leased lines and Customer Premises Equipment ("CPE") 5,003   3,353 4,709
Concession fees and USO charges (Note 34c.iii) 2,472   2,411 2,370
Electricity, gas and water 898   946 1,102
Cost of SIM cards and vouchers (Note 8) 673   487 645
Project management 519   538 460
Insurance 432   378 246
Vehicles rental and supporting facilities 305   334 386
Cost of sales of peripherals (Note 8) 66   57 1,109
Others (each below Rp75 billion) 201   185 273
Total Rp 38,133 $ 2,676 Rp 34,575 Rp 37,453