XML 186 R173.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Intangible Assets other than Goodwill - Summary of Intangible Asset Explanatory and Changes in intangible assets (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | ₩ 956,664 |  |
Changes in intangible assets other than goodwill |  |  |
Reversal | 0 | ₩ 0 | ₩ (14)
Impairment | (2,865) | (164) | 0
Ending balance | 1,033,984 | 956,664 |
Intangible assets other than goodwill |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 956,664 | 1,044,077 |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 79,315 | 126,295 |
Disposal | (208) | (354) |
Amortization | (163,174) | (156,160) |
Reversal |  | (164) |
Impairment | (283) |  |
Others | 161,670 | (57,030) |
Ending balance | 1,033,984 | 956,664 | 1,044,077
Intangible assets other than goodwill | Acquisition cost |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 3,963,439 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 4,222,403 | 3,963,439 |
Intangible assets other than goodwill | Accumulated amortization |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (2,429,624) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (2,598,953) | (2,429,624) |
Intangible assets other than goodwill | Accumulated impairment [member] |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (571,325) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (584,152) | (571,325) |
Intangible assets other than goodwill | Government grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (5,826) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (5,314) | (5,826) |
Software |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 202,833 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 197,428 | 202,833 |
Software | Carrying Amount Other than Government Grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 203,007 | 162,596 |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 12,837 | 22,532 |
Disposal | (18) | (57) |
Amortization | (86,174) | (84,649) |
Reversal |  | 0 |
Impairment | 0 |  |
Others | 68,189 | 102,585 |
Ending balance | 197,841 | 203,007 | 162,596
Software | Acquisition cost |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 1,002,040 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 1,083,537 | 1,002,040 |
Software | Accumulated amortization |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (799,013) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (885,677) | (799,013) |
Software | Accumulated impairment [member] |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (20) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (19) | (20) |
Software | Government grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (174) | (91) |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 0 | 0 |
Disposal | 0 | 0 |
Amortization | 85 | 60 |
Reversal |  | 0 |
Impairment | 0 |  |
Others | (324) | (143) |
Ending balance | (413) | (174) | (91)
Copyrights, patents rights and other industrial rights |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 28,013 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 23,491 | 28,013 |
Copyrights, patents rights and other industrial rights | Carrying Amount Other than Government Grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 28,013 | 35,187 |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 319 | 270 |
Disposal | (70) | (37) |
Amortization | (4,918) | (7,136) |
Reversal |  | 0 |
Impairment | (180) |  |
Others | 327 | (271) |
Ending balance | 23,491 | 28,013 | 35,187
Copyrights, patents rights and other industrial rights | Acquisition cost |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 104,559 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 105,827 | 104,559 |
Copyrights, patents rights and other industrial rights | Accumulated amortization |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (67,368) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (73,158) | (67,368) |
Copyrights, patents rights and other industrial rights | Accumulated impairment [member] |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (9,178) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (9,178) | (9,178) |
Copyrights, patents rights and other industrial rights | Government grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 0 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 0 | 0 |
Mining rights |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 38,525 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 32,165 | 38,525 |
Mining rights | Carrying Amount Other than Government Grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 38,525 | 41,902 |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 2,164 | 2,395 |
Disposal | 0 | 0 |
Amortization | (10,289) | (4,296) |
Reversal |  | 0 |
Impairment | 0 |  |
Others | 1,765 | (1,476) |
Ending balance | 32,165 | 38,525 | 41,902
Mining rights | Acquisition cost |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 625,845 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 643,625 | 625,845 |
Mining rights | Accumulated amortization |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (46,187) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (57,549) | (46,187) |
Mining rights | Accumulated impairment [member] |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (541,133) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (553,911) | (541,133) |
Mining rights | Government grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 0 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 0 | 0 |
Development expenditures |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 51,028 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 53,313 | 51,028 |
Development expenditures | Carrying Amount Other than Government Grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 54,505 | 72,944 |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 0 | 0 |
Disposal | 0 | 0 |
Amortization | (25,614) | (24,238) |
Reversal |  | 0 |
Impairment | 0 |  |
Others | 26,543 | 5,799 |
Ending balance | 55,434 | 54,505 | 72,944
Development expenditures | Acquisition cost |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 938,032 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 966,530 | 938,032 |
Development expenditures | Accumulated amortization |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (883,527) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (911,096) | (883,527) |
Development expenditures | Accumulated impairment [member] |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 0 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 0 | 0 |
Development expenditures | Government grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (3,477) | (3,820) |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 0 | 0 |
Disposal | 0 | 0 |
Amortization | 1,356 | 1,466 |
Reversal |  | 0 |
Impairment | 0 |  |
Others | 0 | (1,123) |
Ending balance | (2,121) | (3,477) | (3,820)
Intangible assets under development |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 65,614 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 83,555 | 65,614 |
Intangible assets under development | Carrying Amount Other than Government Grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 67,722 | 81,430 |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 51,282 | 39,559 |
Disposal | 0 | 0 |
Amortization | 0 | 0 |
Reversal |  | (14) |
Impairment | 0 |  |
Others | (32,991) | (53,253) |
Ending balance | 86,013 | 67,722 | 81,430
Intangible assets under development | Acquisition cost |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 76,625 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 94,916 | 76,625 |
Intangible assets under development | Accumulated amortization |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 0 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 0 | 0 |
Intangible assets under development | Accumulated impairment [member] |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (8,903) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (8,903) | (8,903) |
Intangible assets under development | Government grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (2,108) | (7,326) |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 0 | 0 |
Disposal | 0 | 0 |
Amortization | 0 | 0 |
Reversal |  | 0 |
Impairment | 0 |  |
Others | (350) | 5,218 |
Ending balance | (2,458) | (2,108) | (7,326)
Usage rights of donated assets and other |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 157,143 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 145,251 | 157,143 |
Usage rights of donated assets and other | Carrying Amount Other than Government Grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 157,143 | 169,783 |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 0 | 0 |
Disposal | 0 | 0 |
Amortization | (11,857) | (11,394) |
Reversal |  | (150) |
Impairment | 0 |  |
Others | (35) | (1,096) |
Ending balance | 145,251 | 157,143 | 169,783
Usage rights of donated assets and other | Acquisition cost |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 592,797 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 592,739 | 592,797 |
Usage rights of donated assets and other | Accumulated amortization |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (435,518) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (447,352) | (435,518) |
Usage rights of donated assets and other | Accumulated impairment [member] |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (136) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (136) | (136) |
Usage rights of donated assets and other | Government grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 0 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 0 | 0 |
Leasehold rights |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 4,888 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 3,929 | 4,888 |
Leasehold rights | Carrying Amount Other than Government Grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 4,888 | 5,848 |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 0 | 0 |
Disposal | 0 | 0 |
Amortization | (959) | (960) |
Reversal |  | 0 |
Impairment | 0 |  |
Others | 0 | 0 |
Ending balance | 3,929 | 4,888 | 5,848
Leasehold rights | Acquisition cost |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 28,185 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 28,185 | 28,185 |
Leasehold rights | Accumulated amortization |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (23,297) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (24,256) | (23,297) |
Leasehold rights | Accumulated impairment [member] |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 0 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 0 | 0 |
Leasehold rights | Government grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 0 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 0 | 0 |
Greenhouse gas emissions rights |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 43,960 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 107,086 | 43,960 |
Greenhouse gas emissions rights | Carrying Amount Other than Government Grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 43,960 | 78,137 |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 8,577 | 57,466 |
Disposal | (1) | 0 |
Amortization | (2) | 0 |
Reversal |  | 0 |
Impairment | 0 |  |
Others | 54,552 | (91,643) |
Ending balance | 107,086 | 43,960 | 78,137
Greenhouse gas emissions rights | Acquisition cost |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 43,960 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 107,086 | 43,960 |
Greenhouse gas emissions rights | Accumulated amortization |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 0 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 0 | 0 |
Greenhouse gas emissions rights | Accumulated impairment [member] |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 0 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 0 | 0 |
Greenhouse gas emissions rights | Government grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 0 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 0 | 0 |
Others |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 364,660 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 387,766 | 364,660 |
Others | Carrying Amount Other than Government Grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 364,727 | 407,558 |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 4,136 | 4,073 |
Disposal | (119) | (260) |
Amortization | (24,895) | (25,017) |
Reversal |  | 0 |
Impairment | (103) |  |
Others | 44,342 | (21,627) |
Ending balance | 388,088 | 364,727 | 407,558
Others | Acquisition cost |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | 551,396 |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | 599,958 | 551,396 |
Others | Accumulated amortization |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (174,714) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (199,865) | (174,714) |
Others | Accumulated impairment [member] |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (11,955) |  |
Changes in intangible assets other than goodwill |  |  |
Ending balance | (12,005) | (11,955) |
Others | Government grants |  |  |
Reconciliation of changes in intangible assets other than goodwill |  |  |
Beginning balance | (67) | (71) |
Changes in intangible assets other than goodwill |  |  |
Acquisition | 0 | 0 |
Disposal | 0 | 0 |
Amortization | 93 | 4 |
Reversal |  | 0 |
Impairment | 0 |  |
Others | (348) | 0 |
Ending balance | ₩ (322) | ₩ (67) | ₩ (71)

X
- Definition The amount of additions to intangible assets other than goodwill, other than those acquired through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -Clause vi -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_vi&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_ChangesInIntangibleAssetsOtherThanGoodwillAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The decrease in intangible assets other than goodwill resulting from disposals. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_ii&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of impairment loss recognised in profit or loss for intangible assets other than goodwill. [Refer: Impairment loss recognised in profit or loss; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_iv&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in intangible assets other than goodwill resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -Clause viii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_viii&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_c&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_IntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of reversal of impairment loss recognised in profit or loss for intangible assets other than goodwill. [Refer: Reversal of impairment loss recognised in profit or loss; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -Clause v -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_v&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=kep_IntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=kep_AcquisitionRelatedCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_AccumulatedDepreciationAndAmortisationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_AccumulatedImpairmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=kep_GovernmentGrantsAdjustmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=ifrs-full_ComputerSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=kep_CarryingAmountOtherThanGovernmentGrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=ifrs-full_MiningRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=ifrs-full_CapitalisedDevelopmentExpenditureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=ifrs-full_IntangibleAssetsUnderDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=kep_UsageRightsOfDonatedAssetsAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=kep_LeaseAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=kep_GreenhouseGasEmissionsRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=ifrs-full_OtherIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |