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PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Sensitivity Analysis (Details) - IDR (Rp) Rp in Billions | Dec. 31, 2023 | Dec. 31, 2022
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Discount Rate |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Percentage of increase in actuarial assumptions | 1.00% | 1.00%
Percentage of decrease in actuarial assumptions | 1.00% |
Rate of Compensation |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Percentage of increase in actuarial assumptions | 1.00% |
Percentage of decrease in actuarial assumptions | 1.00% |
Post-employment health care benefit cost | Discount Rate |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Amount of increase in actuarial assumptions | Rp (1,609) | Rp (1,413)
Amount of decrease in actuarial assumptions | 1,939 | 1,703
Post-employment health care benefit cost | Rate of Compensation |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Amount of increase in actuarial assumptions | 1,845 | 1,629
Amount of decrease in actuarial assumptions | (1,565) | (1,380)
Other post-employment benefit cost | Discount Rate |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Amount of increase in actuarial assumptions | (11) | (12)
Amount of decrease in actuarial assumptions | 12 | 13
Other post-employment benefit cost | Rate of Compensation |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Amount of increase in actuarial assumptions | 3 |
Amount of decrease in actuarial assumptions | (3) |
Post-employment benefits UUCK (Telkom) | Discount Rate |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Amount of increase in actuarial assumptions | (10) | (8)
Amount of decrease in actuarial assumptions | 12 | 10
Post-employment benefits UUCK (Telkom) | Rate of Compensation |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Amount of increase in actuarial assumptions | 33 | 27
Amount of decrease in actuarial assumptions | (28) | (24)
Periodic pension benefit cost | Telkomsel | Discount Rate |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Amount of increase in actuarial assumptions | (529) | (430)
Amount of decrease in actuarial assumptions | 602 | 491
Periodic pension benefit cost | Telkomsel | Rate of Compensation |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Amount of increase in actuarial assumptions | 651 | 536
Amount of decrease in actuarial assumptions | (582) | (477)
Defined pension benefit obligation | Discount Rate |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Amount of increase in actuarial assumptions | (2,030) | (1,948)
Amount of decrease in actuarial assumptions | 2,387 | 2,291
Defined pension benefit obligation | Rate of Compensation |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Amount of increase in actuarial assumptions | 235 | 268
Amount of decrease in actuarial assumptions | (224) | (255)
Unfunded Pension | Discount Rate |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Amount of increase in actuarial assumptions | (10) | (24)
Amount of decrease in actuarial assumptions | 12 | 27
Unfunded Pension | Rate of Compensation |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Amount of increase in actuarial assumptions | 13 | 29
Amount of decrease in actuarial assumptions | Rp (12) | Rp (27)

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- Definition The increase (decrease) in a defined benefit obligation that would have been caused by a decrease in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 145 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_145_a&doctype=Standard -URIDate 2023-03-23 + Details
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