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PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Health Care - Plan Assets (Details) - Post-employment health care benefit cost - IDR (Rp) Rp in Billions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of fair value of plan assets [line items] |  |
Percentage of companies share in total plan assets | 1.79% | 1.88%
Actual return on plan asset | Rp 329 | Rp 768
Level 1 |  |
Disclosure of fair value of plan assets [line items] |  |
Cash and cash equivalents | 527 | 745
Equity-based mutual fund | 569 | 519
Fixed income instruments | 7,858 | 8,239
Total | 12,420 | 12,714
Unquoted |  |
Disclosure of fair value of plan assets [line items] |  |
Private placement | 358 | 322
Total | 358 | 322
Financials | Level 1 |  |
Disclosure of fair value of plan assets [line items] |  |
Equity instruments | 1,254 | 1,191
Consumer non-cyclicals | Level 1 |  |
Disclosure of fair value of plan assets [line items] |  |
Equity instruments | 100 | 113
Basic material | Level 1 |  |
Disclosure of fair value of plan assets [line items] |  |
Equity instruments | 256 | 212
Infrastructure | Level 1 |  |
Disclosure of fair value of plan assets [line items] |  |
Equity instruments | 574 | 458
Energy | Level 1 |  |
Disclosure of fair value of plan assets [line items] |  |
Equity instruments | 171 | 110
Technology | Level 1 |  |
Disclosure of fair value of plan assets [line items] |  |
Equity instruments | 24 |
Industrials | Level 1 |  |
Disclosure of fair value of plan assets [line items] |  |
Equity instruments | 274 | 299
Consumer cyclicals | Level 1 |  |
Disclosure of fair value of plan assets [line items] |  |
Equity instruments | 483 | 522
Properties and real estate | Level 1 |  |
Disclosure of fair value of plan assets [line items] |  |
Equity instruments | 93 | 83
Healthcare | Level 1 |  |
Disclosure of fair value of plan assets [line items] |  |
Equity instruments | 232 | 222
Transportation and logistic | Level 1 |  |
Disclosure of fair value of plan assets [line items] |  |
Equity instruments | 5 | 1
Series B shares |  |
Disclosure of fair value of plan assets [line items] |  |
Equity instruments | Rp 229 | Rp 246

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- Definition The amount cash and cash equivalents contribute to the fair value of defined benefit plan assets. [Refer: Cash and cash equivalents; Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 142 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_142_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount instruments representing debt (rather than equity) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 142 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_142_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount instruments representing equity (rather than debt) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 142 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_142_b&doctype=Standard -URIDate 2021-03-24 + Details
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