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TRADE AND OTHER RECEIVABLES - Changes in Provision for expected credit losses (Details) - IDR (Rp)
Rp in Billions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Provision of impairment    
Beginning balance Rp (11,339)  
Ending balance (8,510) Rp (11,339)
Allowance for expected credit losses    
Provision of impairment    
Beginning balance 8,360 6,207
Allowance for expected credit losses 474 2,344
Receivables written off (1,032) (191)
Ending balance Rp 7,802 Rp 8,360