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FINANCIAL INSTRUMENTS - Credit risk (Details) - IDR (Rp) Rp in Billions	Dec. 31, 2020	Dec. 31, 2019
FINANCIAL RISK MANAGEMENT
Maximum credit exposure	Rp 1,500
Maximum share of total receivables held by any client (as a percent)	10.35%
Credit risk
FINANCIAL RISK MANAGEMENT
Maximum credit exposure	Rp 34,903	Rp 31,301
Credit risk | Cash and cash equivalents
FINANCIAL RISK MANAGEMENT
Maximum credit exposure	20,589	18,241
Credit risk | Trade and other receivables
FINANCIAL RISK MANAGEMENT
Maximum credit exposure	1,303	554
Credit risk | Contract asset
FINANCIAL RISK MANAGEMENT
Maximum credit exposure	11,554	11,272
Credit risk | Other current financial assets
FINANCIAL RISK MANAGEMENT
Maximum credit exposure	1,239	944
Credit risk | Other non-current financial assets
FINANCIAL RISK MANAGEMENT
Maximum credit exposure	Rp 218	Rp 290

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- Definition

The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]]

+ References

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The maximum percentage that any customer's accounts receivable balance comprises of the total receivables balance as of the balance sheet date.

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