LONG-TERM LOANS AND OTHER BORROWINGS - Other borrowings agreements (Details) $ in Millions, Rp in Billions	12 Months Ended
Dec. 31, 2023 IDR (Rp)	Dec. 31, 2023 USD ($)
Borrowings and other credit facilities
Unused facility	Rp 28,995.0	$ 96
Pt Sarana Multi Infrastructure Other Borrowings Issued On March 292019 [Member] \| Minimum
Borrowings and other credit facilities
Net debt to EBITDA ratio	4.00%
The company \| PT Sarana Multi Infrastruktur
Borrowings and other credit facilities
Maximum debt to equity ratio	2
Minimum debt service coverage	125.00%
Quarterly repayment of interest \| The company \| Pt Sarana Multi Infrastructure Other Borrowings Issued On March 292019 [Member] \| Rupiah
Borrowings and other credit facilities
Interest rate adjustment (as a percent)	1.75%	1.75%
Repayment of Interest, Semi Annually \| Pt Sarana Multi Infrastructure Other Borrowings Issued On March 292019 [Member] \| Rupiah \| Telkomsat
Borrowings and other credit facilities
Total facility	Rp 164.0
Current period payment	Rp 24.0
Interest rate (as a percent)	1.75%	1.75%
Repayment of Interest, Semi Annually \| The company \| Pt Sarana Multi Infrastructure Other Borrowings Issued On March 292019 [Member] \| Rupiah
Borrowings and other credit facilities
Total facility	Rp 2,836.0
Current period payment	Rp 700.0

The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The interest rate on borrowings. [Refer: Borrowings]

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The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments]

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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