XML 185 R156.htm IDEA: XBRL DOCUMENT
v3.20.1

Detailed information about intangible assets (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Changes in intangible assets other than goodwill |  |  |  |  |
Impairment loss | ₩ 513,609 |  | ₩ 8,112 |  | ₩ 20
Intangible assets other than goodwill |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 1,225,942 |  | 1,187,121 |  | 1,187,121
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 1,225,942 |  | 1,187,121 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 229,426 |  | 110,587 |  |
Disposal | (8,321) |  | (9) |  |
Amortization | (156,915) |  | (118,938) |  |
Impairment loss | (513,609) | [1] | (8,140) | [2] |
Others | 293,453 | [3] | 55,321 |  |
Ending balance | 1,069,976 |  | 1,225,942 |  | 1,187,121
Intangible assets other than goodwill | Carrying Amount Other than Government Grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 1,239,036 |  | 1,201,860 |  | 1,201,860
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 1,239,036 |  | 1,201,860 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 229,426 |  | 110,587 |  |
Disposal | (8,321) |  | (9) |  |
Amortization | (157,952) |  | (120,794) |  |
Impairment loss | (513,609) | [1] | (8,939) | [2] |
Others | 294,231 | [3] | 56,331 |  |
Ending balance | 1,082,811 |  | 1,239,036 |  | 1,201,860
Intangible assets other than goodwill | Acquisition cost |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 3,069,716 |  | 2,897,446 |  | 2,897,446
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 3,069,716 |  | 2,897,446 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | 3,597,314 |  | 3,069,716 |  | 2,897,446
Intangible assets other than goodwill | Accumulated amortization |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (1,805,784) |  | (1,679,576) |  | (1,679,576)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (1,805,784) |  | (1,679,576) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (1,967,732) |  | (1,805,784) |  | (1,679,576)
Intangible assets other than goodwill | Accumulated impairment [Member] |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (24,896) |  | (16,010) |  | (16,010)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (24,896) |  | (16,010) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (546,771) |  | (24,896) |  | (16,010)
Intangible assets other than goodwill | Government grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (13,094) |  | (14,739) |  | (14,739)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (13,094) |  | (14,739) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 0 |  | 0 |  |
Disposal | 0 |  | 0 |  |
Amortization | 1,037 |  | 1,856 |  |
Impairment loss | 0 | [1] | 799 | [2] |
Others | (778) | [3] | (1,010) |  |
Ending balance | (12,835) |  | (13,094) |  | (14,739)
Software |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 157,261 |  | 125,405 |  | 125,405
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 157,261 |  | 125,405 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 42,694 |  | 10,861 |  |
Disposal | (774) |  | (1) |  |
Amortization | (81,681) |  | (53,501) |  |
Impairment loss | 0 | [1] | 0 | [2] |
Others | 47,260 | [3] | 74,497 |  |
Ending balance | 164,760 |  | 157,261 |  | 125,405
Software | Carrying Amount Other than Government Grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 157,681 |  | 125,891 |  | 125,891
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 157,681 |  | 125,891 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 42,694 |  | 10,861 |  |
Disposal | (774) |  | (1) |  |
Amortization | (81,883) |  | (53,755) |  |
Impairment loss | 0 | [1] | 0 | [2] |
Others | 47,277 | [3] | 74,685 |  |
Ending balance | 164,995 |  | 157,681 |  | 125,891
Software | Acquisition cost |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 619,662 |  | 534,191 |  | 534,191
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 619,662 |  | 534,191 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | 707,731 |  | 619,662 |  | 534,191
Software | Accumulated amortization |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (461,981) |  | (408,300) |  | (408,300)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (461,981) |  | (408,300) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (542,736) |  | (461,981) |  | (408,300)
Software | Government grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (420) |  | (486) |  | (486)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (420) |  | (486) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 0 |  | 0 |  |
Disposal | 0 |  | 0 |  |
Amortization | 202 |  | 254 |  |
Impairment loss | 0 | [1] | 0 | [2] |
Others | (17) | [3] | (188) |  |
Ending balance | (235) |  | (420) |  | (486)
Licences and franchises |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 0 |  | 0 |  | 0
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 0 |  | 0 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | 0 |  | 0 |  | 0
Licences and franchises | Acquisition cost |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 3,398 |  | 3,398 |  | 3,398
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 3,398 |  | 3,398 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | 3,398 |  | 3,398 |  | 3,398
Licences and franchises | Accumulated amortization |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (3,398) |  | (3,398) |  | (3,398)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (3,398) |  | (3,398) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (3,398) |  | (3,398) |  | (3,398)
Copyrights, patents rights and other industrial rights |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 67,112 |  | 23,981 |  | 23,981
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 67,112 |  | 23,981 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 171 |  | 28 |  |
Disposal | (325) |  | 0 |  |
Amortization | (9,196) |  | (8,665) |  |
Impairment loss | 0 | [1] | (13) | [2] |
Others | (4,501) | [3] | 51,781 |  |
Ending balance | 53,261 |  | 67,112 |  | 23,981
Copyrights, patents rights and other industrial rights | Carrying Amount Other than Government Grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 67,112 |  | 23,981 |  | 23,981
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 67,112 |  | 23,981 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 171 |  | 28 |  |
Disposal | (325) |  | 0 |  |
Amortization | (9,196) |  | (8,665) |  |
Impairment loss | 0 | [1] | (13) | [2] |
Others | (4,501) | [3] | 51,781 |  |
Ending balance | 53,261 |  | 67,112 |  | 23,981
Copyrights, patents rights and other industrial rights | Acquisition cost |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 97,033 |  | 43,857 |  | 43,857
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 97,033 |  | 43,857 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | 102,828 |  | 97,033 |  | 43,857
Copyrights, patents rights and other industrial rights | Accumulated amortization |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (29,921) |  | (19,876) |  | (19,876)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (29,921) |  | (19,876) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (40,389) |  | (29,921) |  | (19,876)
Copyrights, patents rights and other industrial rights | Accumulated impairment [Member] |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 0 |  | 0 |  | 0
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 0 |  | 0 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (9,178) |  | 0 |  | 0
Mining rights |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 534,524 |  | 539,633 |  | 539,633
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 534,524 |  | 539,633 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 8,742 |  | 29,687 |  |
Disposal | 0 |  | 0 |  |
Amortization | (7,186) |  | (3,186) |  |
Impairment loss | (513,519) | [1] | 0 | [2] |
Others | 21,162 | [3] | (31,610) |  |
Ending balance | 43,723 |  | 534,524 |  | 539,633
Mining rights | Carrying Amount Other than Government Grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 534,524 |  | 539,633 |  | 539,633
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 534,524 |  | 539,633 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 8,742 |  | 29,687 |  |
Disposal | 0 |  | 0 |  |
Amortization | (7,186) |  | (3,186) |  |
Impairment loss | (513,519) | [1] | 0 | [2] |
Others | 21,162 | [3] | (31,610) |  |
Ending balance | 43,723 |  | 534,524 |  | 539,633
Mining rights | Acquisition cost |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 561,945 |  | 553,876 |  | 553,876
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 561,945 |  | 553,876 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | 584,969 |  | 561,945 |  | 553,876
Mining rights | Accumulated amortization |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (27,421) |  | (14,243) |  | (14,243)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (27,421) |  | (14,243) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (28,456) |  | (27,421) |  | (14,243)
Mining rights | Accumulated impairment [Member] |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 0 |  | 0 |  | 0
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 0 |  | 0 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (512,790) |  | 0 |  | 0
Development expenditures |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 90,376 |  | 80,816 |  | 80,816
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 90,376 |  | 80,816 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 687 |  | 823 |  |
Disposal | 0 |  | 0 |  |
Amortization | (28,068) |  | (25,509) |  |
Impairment loss | (68) | [1] | 0 | [2] |
Others | 29,424 | [3] | 34,246 |  |
Ending balance | 92,351 |  | 90,376 |  | 80,816
Development expenditures | Carrying Amount Other than Government Grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 92,486 |  | 84,518 |  | 84,518
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 92,486 |  | 84,518 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 687 |  | 823 |  |
Disposal | 0 |  | 0 |  |
Amortization | (28,901) |  | (27,100) |  |
Impairment loss | (68) | [1] | 0 | [2] |
Others | 29,639 | [3] | 34,245 |  |
Ending balance | 93,843 |  | 92,486 |  | 84,518
Development expenditures | Acquisition cost |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 878,462 |  | 836,996 |  | 836,996
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 878,462 |  | 836,996 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | 916,834 |  | 878,462 |  | 836,996
Development expenditures | Accumulated amortization |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (785,976) |  | (752,478) |  | (752,478)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (785,976) |  | (752,478) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (822,972) |  | (785,976) |  | (752,478)
Development expenditures | Accumulated impairment [Member] |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 0 |  | 0 |  | 0
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 0 |  | 0 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (19) |  | 0 |  | 0
Development expenditures | Government grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (2,110) |  | (3,702) |  | (3,702)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (2,110) |  | (3,702) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 0 |  | 0 |  |
Disposal | 0 |  | 0 |  |
Amortization | 833 |  | 1,591 |  |
Impairment loss | 0 | [1] | 0 | [2] |
Others | (215) | [3] | 1 |  |
Ending balance | (1,492) |  | (2,110) |  | (3,702)
Intangible assets under development |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 59,972 |  | 129,370 |  | 129,370
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 59,972 |  | 129,370 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 56,082 |  | 67,383 |  |
Disposal | 0 |  | 0 |  |
Amortization | 0 |  | 0 |  |
Impairment loss | 0 | [1] | (8,113) | [2] |
Others | (66,593) | [3] | (128,668) |  |
Ending balance | 49,461 |  | 59,972 |  | 129,370
Intangible assets under development | Carrying Amount Other than Government Grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 70,536 |  | 139,910 |  | 139,910
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 70,536 |  | 139,910 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 56,082 |  | 67,383 |  |
Disposal | 0 |  | 0 |  |
Amortization | 0 |  | 0 |  |
Impairment loss | 0 | [1] | (8,912) | [2] |
Others | (66,128) | [3] | (127,845) |  |
Ending balance | 60,490 |  | 70,536 |  | 139,910
Intangible assets under development | Acquisition cost |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 83,381 |  | 143,851 |  | 143,851
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 83,381 |  | 143,851 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | 73,335 |  | 83,381 |  | 143,851
Intangible assets under development | Accumulated impairment [Member] |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (12,845) |  | (3,941) |  | (3,941)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (12,845) |  | (3,941) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (12,845) |  | (12,845) |  | (3,941)
Intangible assets under development | Government grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (10,564) |  | (10,540) |  | (10,540)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (10,564) |  | (10,540) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 0 |  | 0 |  |
Disposal | 0 |  | 0 |  |
Amortization | 0 |  | 0 |  |
Impairment loss | 0 | [1] | 799 | [2] |
Others | (465) | [3] | (823) |  |
Ending balance | (11,029) |  | (10,564) |  | (10,540)
Usage rights of donated assets and other |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 87,011 |  | 101,647 |  | 101,647
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 87,011 |  | 101,647 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 0 |  | 0 |  |
Disposal | 0 |  | 0 |  |
Amortization | (15,632) |  | (13,296) |  |
Impairment loss | 0 | [1] | 0 | [2] |
Others | 121,782 | [3] | (1,340) |  |
Ending balance | 193,161 |  | 87,011 |  | 101,647
Usage rights of donated assets and other | Carrying Amount Other than Government Grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 87,011 |  | 101,658 |  | 101,658
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 87,011 |  | 101,658 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 0 |  | 0 |  |
Disposal | 0 |  | 0 |  |
Amortization | (15,632) |  | (13,307) |  |
Impairment loss | 0 | [1] | 0 | [2] |
Others | 121,782 | [3] | (1,340) |  |
Ending balance | 193,161 |  | 87,011 |  | 101,658
Usage rights of donated assets and other | Acquisition cost |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 459,682 |  | 459,682 |  | 459,682
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 459,682 |  | 459,682 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | 582,825 |  | 459,682 |  | 459,682
Usage rights of donated assets and other | Accumulated amortization |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (372,671) |  | (358,024) |  | (358,024)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (372,671) |  | (358,024) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (389,664) |  | (372,671) |  | (358,024)
Usage rights of donated assets and other | Government grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 0 |  | (11) |  | (11)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 0 |  | (11) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 0 |  | 0 |  |
Disposal | 0 |  | 0 |  |
Amortization | 0 |  | 11 |  |
Impairment loss | 0 | [1] | 0 | [2] |
Others | 0 | [3] | 0 |  |
Ending balance | 0 |  | 0 |  | (11)
Leasehold rights |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 5,552 |  | 5,044 |  | 5,044
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 5,552 |  | 5,044 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 0 |  | 0 |  |
Disposal | 0 |  | 0 |  |
Amortization | (741) |  | (667) |  |
Impairment loss | 0 | [1] | 0 | [2] |
Others | 507 | [3] | 1,175 |  |
Ending balance | 5,318 |  | 5,552 |  | 5,044
Leasehold rights | Carrying Amount Other than Government Grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 5,552 |  | 5,044 |  | 5,044
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 5,552 |  | 5,044 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 0 |  | 0 |  |
Disposal | 0 |  | 0 |  |
Amortization | (741) |  | (667) |  |
Impairment loss | 0 | [1] | 0 | [2] |
Others | 507 | [3] | 1,175 |  |
Ending balance | 5,318 |  | 5,552 |  | 5,044
Leasehold rights | Acquisition cost |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 25,482 |  | 24,306 |  | 24,306
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 25,482 |  | 24,306 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | 25,989 |  | 25,482 |  | 24,306
Leasehold rights | Accumulated amortization |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (19,930) |  | (19,262) |  | (19,262)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (19,930) |  | (19,262) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (20,671) |  | (19,930) |  | (19,262)
Greenhouse gas emissions rights |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 7,050 |  | 0 |  | 0
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 7,050 |  | 0 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 118,743 |  | 0 |  |
Disposal | (7,058) |  | 0 |  |
Amortization | 0 |  | 0 |  |
Impairment loss | 0 | [1] | 0 | [2] |
Others | (77,079) | [3] | 7,050 |  |
Ending balance | 41,656 |  | 7,050 |  | 0
Greenhouse gas emissions rights | Carrying Amount Other than Government Grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 7,050 |  | 0 |  | 0
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 7,050 |  | 0 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 118,743 |  | 0 |  |
Disposal | (7,058) |  | 0 |  |
Amortization | 0 |  | 0 |  |
Impairment loss | 0 | [1] | 0 | [2] |
Others | (77,079) | [3] | 7,050 |  |
Ending balance | 41,656 |  | 7,050 |  | 0
Greenhouse gas emissions rights | Acquisition cost |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 7,050 |  | 0 |  | 0
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 7,050 |  | 0 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | 41,656 |  | 7,050 |  | 0
Others |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 217,084 |  | 181,225 |  | 181,225
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 217,084 |  | 181,225 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 2,307 |  | 1,805 |  |
Disposal | (164) |  | (8) |  |
Amortization | (14,411) |  | (14,114) |  |
Impairment loss | (22) | [1] | (14) | [2] |
Others | 221,491 | [3] | 48,190 |  |
Ending balance | 426,285 |  | 217,084 |  | 181,225
Others | Carrying Amount Other than Government Grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 217,084 |  | 181,225 |  | 181,225
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 217,084 |  | 181,225 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 2,307 |  | 1,805 |  |
Disposal | (164) |  | (8) |  |
Amortization | (14,413) |  | (14,114) |  |
Impairment loss | (22) | [1] | (14) | [2] |
Others | 221,572 | [3] | 48,190 |  |
Ending balance | 426,364 |  | 217,084 |  | 181,225
Others | Acquisition cost |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 333,621 |  | 297,289 |  | 297,289
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 333,621 |  | 297,289 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | 557,749 |  | 333,621 |  | 297,289
Others | Accumulated amortization |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (104,486) |  | (103,995) |  | (103,995)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (104,486) |  | (103,995) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (119,446) |  | (104,486) |  | (103,995)
Others | Accumulated impairment [Member] |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | (12,051) |  | (12,069) |  | (12,069)
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | (12,051) |  | (12,069) |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | (11,939) |  | (12,051) |  | (12,069)
Others | Government grants |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 0 |  | 0 |  | 0
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 0 |  | 0 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 0 |  | 0 |  |
Disposal | 0 |  | 0 |  |
Amortization | 2 |  | 0 |  |
Impairment loss | 0 | [1] | 0 | [2] |
Others | (81) | [3] | 0 |  |
Ending balance | (79) |  | 0 |  | 0
Goodwill |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 2,582 |  | 2,582 |  | 2,582
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 2,582 |  | 2,582 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Acquisition | 95,395 |  | 0 |  |
Disposal | 0 |  | 0 |  |
Amortization | 0 |  | 0 |  |
Impairment loss | 0 |  | 0 |  |
Others | 0 |  | 0 |  |
Ending balance | 97,977 |  | 2,582 |  | 2,582
Goodwill | Acquisition cost |  |  |  |  |
Disclosure of detailed information about intangible assets [Line Items] |  |  |  |  |
Net carrying value | 2,582 |  | 2,582 |  | 2,582
Reconciliation of changes in intangible assets other than goodwill |  |  |  |  |
Beginning balance | 2,582 |  | 2,582 |  |
Changes in intangible assets other than goodwill |  |  |  |  |
Ending balance | ₩ 97,977 |  | ₩ 2,582 |  | ₩ 2,582
[1] | KEPCO Australia Pty., Ltd. and KEPCO Bylong Australia Pty., Ltd., 100% owned subsidiaries, performed an impairment test over the mining rights and the Company recognized the amount of the carrying amount in excess of its recoverable amount as an impairment loss.
[2] | Includes W8,104 million of impairment loss on the intangible assets under development in relation to the technology development of heat transfer tube owned by KEPCO Nuclear Fuel Co., Ltd., 96.36% owned subsidiary, is.
[3] | 'Others' include the business rights amounting to KRW172,434 million increased from the business combination between Korea East-West Power Co., Ltd. and Eumseong Natural Gas Power Co., Ltd. (see note 51)

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