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RIGHT OF USE ASSETS - Carrying amounts (Details) $ in Millions, Rp in Billions |  | 12 Months Ended |
--- | --- | --- | ---
Jan. 01, 2019 IDR (Rp) | Dec. 31, 2021 IDR (Rp) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 IDR (Rp) | Dec. 31, 2019 IDR (Rp)
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Short-term lease expense |  | Rp 5,251 |  | Rp 3,612 |
Low-value asset leases expense |  | 57 |  | 119 |
Beginning balance |  | 19,104 |  | 20,893 |
Ending balance |  | 19,253 | $ 1,351 | 19,104 |
Gross or Cost |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | 27,086 |  | 25,314 |
Additions | Rp 4,065 | 6,042 |  |  |
Deductions | (2,182) | (2,821) |  |  |
Reclassifications/Translations |  | 216 |  | (111) |
Ending balance |  | 30,523 |  | 27,086 |
Accumulated depreciation and amortization |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | (7,982) |  | (4,421) |
Additions | (5,086) | (5,004) |  |  |
Deductions | 1,586 | 1,726 |  |  |
Reclassifications/Translations |  | (10) |  | (61) |
Ending balance |  | (11,270) |  | (7,982) |
Land rights | Gross or Cost |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | 6,735 |  | 5,671 |
Additions | 1,704 | 1,001 |  |  |
Deductions | (630) | (713) |  |  |
Reclassifications/Translations |  | 106 |  | (10) |
Ending balance |  | 7,129 |  | 6,735 |
Land rights | Accumulated depreciation and amortization |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | (1,328) |  | (676) |
Additions | (864) | (975) |  |  |
Deductions | 212 | 512 |  |  |
Reclassifications/Translations |  | 0 |  |  |
Ending balance |  | (1,791) |  | (1,328) |
Buildings | Gross or Cost |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | 866 |  | 839 |
Additions | 126 | 461 |  |  |
Deductions | (120) | (252) |  |  |
Reclassifications/Translations |  | 1 |  | 21 |
Ending balance |  | 1,076 |  | 866 |
Buildings | Accumulated depreciation and amortization |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | (327) |  | (237) |
Additions | (205) | (331) |  |  |
Deductions | 177 | 199 |  |  |
Reclassifications/Translations |  | 13 |  | (62) |
Ending balance |  | (446) |  | (327) |
Transmission installation and equipment | Gross or Cost |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | 18,118 |  | 17,487 |
Additions | 1,899 | 4,406 |  |  |
Deductions | (1,183) | (1,352) |  |  |
Reclassifications/Translations |  | 25 |  | (85) |
Ending balance |  | 21,197 |  | 18,118 |
Transmission installation and equipment | Accumulated depreciation and amortization |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | (5,931) |  | (3,329) |
Additions | (3,586) | (3,182) |  |  |
Deductions | 984 | 655 |  |  |
Reclassifications/Translations |  | 0 |  |  |
Ending balance |  | (8,458) |  | (5,931) |
Power supply | Gross or Cost |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | 668 |  | 589 |
Additions | 97 | 17 |  |  |
Deductions | (18) | (126) |  |  |
Ending balance |  | 559 |  | 668 |
Power supply | Accumulated depreciation and amortization |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | (254) |  | (69) |
Additions | (194) | (280) |  |  |
Deductions | 9 | 126 |  |  |
Ending balance |  | (408) |  | (254) |
Vehicles | Gross or Cost |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | 605 |  | 700 |
Additions | 238 | 83 |  |  |
Deductions | (230) | (132) |  |  |
Reclassifications/Translations |  | 0 |  | (103) |
Ending balance |  | 556 |  | 605 |
Vehicles | Accumulated depreciation and amortization |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | (69) |  | (111) |
Additions | (162) | (198) |  |  |
Deductions | 203 | 121 |  |  |
Reclassifications/Translations |  | (2) |  | 1 |
Ending balance |  | (148) |  | (69) |
Other equipment | Gross or Cost |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | 94 |  | 28 |
Additions | 1 | 74 |  |  |
Deductions | (1) | (246) |  |  |
Reclassifications/Translations |  | 84 |  | 66 |
Ending balance |  | 6 |  | 94 |
Other equipment | Accumulated depreciation and amortization |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Beginning balance |  | (73) |  |  |
Additions | (75) | (38) |  |  |
Deductions | Rp 1 | 113 |  |  |
Reclassifications/Translations |  | (21) |  |  |
Ending balance |  | Rp (19) |  | (73) |
Right-of-use assets |  |  |  | Rp (73) | Rp 1
Minimum |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Lease term |  | 1 year | 1 year |  |
Minimum | Buildings |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Lease term |  | 10 years | 10 years |  |
Maximum |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Lease term |  | 30 years | 30 years |  |
Maximum | Buildings |  |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |  |
Lease term |  | 50 years | 50 years |  |

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- Definition The amount of additions to right-of-use assets. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2021-01-01 -Paragraph 53 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_h&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of the expense relating to leases of low-value assets accounted for applying paragraph 6 of IFRS 16. This expense shall not include the expense relating to short-term leases of low-value assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2021-01-01 -Paragraph 53 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_d&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of the expense relating to short-term leases accounted for applying paragraph 6 of IFRS 16. This expense need not include the expense relating to leases with a lease term of one month or less. Short-term lease is a lease that, at the commencement date, has a lease term of 12 months or less. A lease that contains a purchase option is not a short-term lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2021-01-01 -Paragraph 53 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2021-01-01 -Paragraph 53 -Subparagraph j -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_j&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition the right of use assets net. + References No definition available. + Details
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