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PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Schedule of changes in projected pension benefit obligations and plan assets (Details) - IDR (Rp) Rp in Millions |  | 12 Months Ended
--- | --- | ---
Apr. 23, 2021 | Dec. 31, 2023 | Dec. 31, 2022
PENSION AND OTHER POST-EMPLOYMENT BENEFITS |  |  |
Pension benefit obligations at beginning of year |  | Rp 8,509,000 | Rp 9,717,000
Service costs |  | 657,000 | 504,000
Interest costs and interest income from assets |  | 595,000 | 607,000
Plan administration cost |  | 187,000 | 227,000
Interest expense on effect of asset ceiling |  | 3,000 |
Additional welfare benefits |  | 50,000 | 65,000
Cost recognized in the consolidated statement of profit or loss |  | 1,492,000 | 1,403,000
Actuarial (gain) loss on: |  |  |
Experience adjustments |  | (892,000) | (1,468,000)
Changes in demographic assumptions |  |  | (1,000)
Changes in financial assumptions |  | 3,215,000 | (233,000)
Return on plan assets (excluding amount included in net interest expense) |  | (537,000) | 82,000
Changes in asset ceiling excluding amount in net interest |  | (88,000) | 84,000
Cost recognized in OCI |  | 1,698,000 | (1,536,000)
Employer's contributions |  | (1,639,000) | (719,000)
Benefits paid |  | (149,000) | (291,000)
Benefits paid by employer |  | (50,000) | (65,000)
Benefit obligation from transferred employees |  | 62,000 |
Effect on transfer of IndiHome business to Telkomsel |  | (61,000) |
Pension benefit obligations at end of year |  | 9,862,000 | 8,509,000
Projected pension benefit obligation at end of year |  | 9,862,000 | 8,509,000
Telkomsel |  |  |
Actuarial (gain) loss on: |  |  |
Employer's contributions | Rp (857,000) |  |
Pension plan participants' contributions | Rp 73,000 |  |
Pension benefit obligations at end of year |  | 20,500 |
Benefit plan obligations | Defined pension benefit plan | Telkomsel | Funded |  |  |
PENSION AND OTHER POST-EMPLOYMENT BENEFITS |  |  |
Pension benefit obligations at beginning of year |  | 5,128,000 | 5,020,000
Service costs |  | 331,000 | 326,000
Interest costs and interest income from assets |  | 369,000 | 328,000
Cost recognized in the consolidated statement of profit or loss |  | 700,000 | 654,000
Actuarial (gain) loss on: |  |  |
Experience adjustments |  | (76,000) | (1,000)
Changes in demographic assumptions |  |  | (1,000)
Changes in financial assumptions |  | (40,000) | (67,000)
Return on plan assets (excluding amount included in net interest expense) |  |  | (186,000)
Cost recognized in OCI |  | (116,000) | (255,000)
Benefits paid |  | (149,000) | (291,000)
Benefit obligation from transferred employees |  | 233,000 |
Pension benefit obligations at end of year |  | 5,796,000 | 5,128,000
Projected pension benefit obligation at end of year |  | 4,726,000 | 4,275,000
Benefit plan obligations | Defined pension benefit plan | The Company | Funded |  |  |
PENSION AND OTHER POST-EMPLOYMENT BENEFITS |  |  |
Pension benefit obligations at beginning of year |  | 23,136,000 | 23,838,000
Service costs |  | 326,000 | 178,000
Settlement loss |  | (2,000) |
Interest costs and interest income from assets |  | 1,573,000 | 1,635,000
Plan administration cost |  | (126,000) |
Additional welfare benefits |  | 50,000 | 65,000
Cost recognized in the consolidated statement of profit or loss |  | 1,821,000 | 1,878,000
Actuarial (gain) loss on: |  |  |
Experience adjustments |  | 91,000 | (737,000)
Changes in financial assumptions |  | 906,000 | (30,000)
Cost recognized in OCI |  | 997,000 | (767,000)
Pension plan participants' contributions |  | 17,000 | 19,000
Benefits paid |  | (1,972,000) | (1,767,000)
Benefits paid by employer |  | (50,000) | (65,000)
Effect on transfer of IndiHome business to Telkomsel |  | (231,000) |
Pension benefit obligations at end of year |  | 23,718,000 | 23,136,000
Projected pension benefit obligation at end of year |  | 3,666,000 | 4,234,000
Benefit plan obligations | Post-employment health care benefit cost | The Company |  |  |
PENSION AND OTHER POST-EMPLOYMENT BENEFITS |  |  |
Pension benefit obligations at beginning of year |  | 12,878,000 | 13,416,000
Interest costs and interest income from assets |  | 913,000 | 982,000
Cost recognized in the consolidated statement of profit or loss |  | 913,000 | 982,000
Actuarial (gain) loss on: |  |  |
Experience adjustments |  | (907,000) | (730,000)
Changes in financial assumptions |  | 2,349,000 | (136,000)
Cost recognized in OCI |  | 1,442,000 | (866,000)
Benefits paid |  | (586,000) |
Benefits paid by employer |  |  | (654,000)
Effect on transfer of IndiHome business to Telkomsel |  | (23,000) |
Pension benefit obligations at end of year |  | 14,624,000 | 12,878,000
Projected pension benefit obligation at end of year |  | 1,470,000 |
Benefit plan assets | Defined pension benefit plan | Telkomsel | Funded |  |  |
PENSION AND OTHER POST-EMPLOYMENT BENEFITS |  |  |
Pension benefit obligations at beginning of year |  | (853,000) | (832,000)
Interest costs and interest income from assets |  | (67,000) | (58,000)
Plan administration cost |  | 0 |
Cost recognized in the consolidated statement of profit or loss |  | (67,000) | (58,000)
Actuarial (gain) loss on: |  |  |
Return on plan assets (excluding amount included in net interest expense) |  | 25,000 | 37,000
Cost recognized in OCI |  | 25,000 | 37,000
Employer's contributions |  | (4,000) |
Benefit obligation from transferred employees |  | (171,000) |
Pension benefit obligations at end of year |  | (1,070,000) | (853,000)
Benefit plan assets | Defined pension benefit plan | The Company | Funded |  |  |
PENSION AND OTHER POST-EMPLOYMENT BENEFITS |  |  |
Pension benefit obligations at beginning of year |  | (18,902,000) | (18,947,000)
Settlement loss |  | 2,000 |
Interest costs and interest income from assets |  | (1,295,000) | (1,347,000)
Plan administration cost |  | 126,000 | 63,000
Cost recognized in the consolidated statement of profit or loss |  | (1,167,000) | (1,284,000)
Actuarial (gain) loss on: |  |  |
Return on plan assets (excluding amount included in net interest expense) |  | (473,000) | 300,000
Cost recognized in OCI |  | (473,000) | 300,000
Employer's contributions |  | (1,635,000) | (719,000)
Pension plan participants' contributions |  | (17,000) | (19,000)
Benefits paid |  | 1,972,000 | 1,767,000
Effect on transfer of IndiHome business to Telkomsel |  | 170,000 |
Pension benefit obligations at end of year |  | (20,052,000) | (18,902,000)
Benefit plan assets | Post-employment health care benefit cost | The Company |  |  |
PENSION AND OTHER POST-EMPLOYMENT BENEFITS |  |  |
Pension benefit obligations at beginning of year |  | (12,878,000) | (12,778,000)
Interest costs and interest income from assets |  | (898,000) | (933,000)
Plan administration cost |  | 187,000 | 164,000
Interest expense on effect of asset ceiling |  | 3,000 |
Cost recognized in the consolidated statement of profit or loss |  | (708,000) | (769,000)
Actuarial (gain) loss on: |  |  |
Return on plan assets (excluding amount included in net interest expense) |  | (89,000) | (69,000)
Changes in asset ceiling excluding amount in net interest |  | (88,000) | 84,000
Cost recognized in OCI |  | (177,000) | 15,000
Benefits paid |  | 586,000 |
Benefits paid by employer |  |  | 654,000
Effect on transfer of IndiHome business to Telkomsel |  | 23,000 |
Pension benefit obligations at end of year |  | Rp (13,154,000) | Rp (12,878,000)

X
- Definition The decrease (increase) in a net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in demographic assumptions that result in remeasurements of the net defined benefit liability (asset). Demographic assumptions deal with matters such as: (a) mortality; (b) rates of employee turnover, disability and early retirement; (c) the proportion of plan members with dependants who will be eligible for benefits; (d) the proportion of plan members who will select each form of payment option available under the plan terms; and (e) claim rates under medical plans. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_c_ii&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The decrease (increase) in a net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in financial assumptions that result in remeasurements of the net defined benefit liability (asset). Financial assumptions deal with items such as: (a) the discount rate; (b) benefit levels, excluding any cost of the benefits to be met by employees, and future salary; (c) in the case of medical benefits, future medical costs, including claim handling costs (ie the costs that will be incurred in processing and resolving claims, including legal and adjuster's fees); and (d) taxes payable by the plan on contributions relating to service before the reporting date or on benefits resulting from that service. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -Subparagraph c -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_c_iii&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The decrease (increase) in a net defined benefit liability (asset) resulting from actuarial gains (losses) arising from experience adjustments that result in remeasurements of the net defined benefit liability (asset). Experience adjustments deal with the effects of differences between the previous actuarial assumptions and what has actually occurred. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The decrease (increase) in net defined benefit liability (asset) resulting from contributions to a defined benefit plan by the employer. [Refer: Net defined benefit liability (asset); Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_f&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from employee service in the current period. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from the gain (loss) on changes in the effect of limiting a net defined benefit asset to the asset ceiling, excluding amounts included in interest income or expense. [Refer: Interest income (expense); Net defined benefit liability (asset); Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -Subparagraph c -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_c_iv&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The decrease (increase) in a net defined benefit liability (asset) resulting from the remeasurement of that net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from administration costs in the current period, that are not reflected in return on plan assets. [Refer: Administrative expenses; Net defined benefit liability (asset)] [Contrast: Administration costs not reflected in return on plan assets, defined benefit plans; Decrease (increase) in net defined benefit liability (asset) resulting from return on plan assets excluding interest income or expense] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from the passage of time. [Refer: Interest expense; Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_b&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 140 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_140_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -Subparagraph g -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_g&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of deficit in a defined benefit plan. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from the return on plan assets, excluding amounts included in interest income or expense. The return on plan assets is interest, dividends and other revenue derived from the plan assets, together with realised and unrealised gains or losses on the plan assets, less any costs of managing plan assets and less any tax payable by the plan itself, other than tax included in the actuarial assumptions used to measure the present value of the defined benefit obligation. [Refer: Plan assets [member]; Net defined benefit liability (asset); Actuarial assumptions [member]; Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -Subparagraph c -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_c_i&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from benefit obligation from transferred employees. + References No definition available. + Details
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from additional welfare benefits. + References No definition available. + Details
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from interest expense on effect of asset ceiling. + References No definition available. + Details
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from FMC's transfer program. + References No definition available. + Details
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