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)