XML 182 R167.htm IDEA: XBRL DOCUMENT v3.25.1
Property, Plant and Equipment - Summary of Changes in Property, Plant and Equipment (Details) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Changes in property and equipment [Line Items]      
Beginning balance ₩ 179,875,535 ₩ 177,865,308  
Acquisitions 14,987,494 14,667,574  
Disposals (555,087) (531,059)  
Depreciation (13,833,106) (12,868,596)  
Impairment (11,240) (17,031) ₩ (37,311)
Others 2,519,167 759,339  
Ending balance 182,982,763 179,875,535 177,865,308
Acquisition cost      
Changes in property and equipment [Line Items]      
Beginning balance 314,879,755    
Ending balance 330,210,469 314,879,755  
Accumulated depreciation      
Changes in property and equipment [Line Items]      
Beginning balance (133,721,042)    
Ending balance (145,913,633) (133,721,042)  
Accumulated impairment losses      
Changes in property and equipment [Line Items]      
Beginning balance (749,537)    
Ending balance (758,137) (749,537)  
Government grants      
Changes in property and equipment [Line Items]      
Beginning balance (533,641)    
Ending balance (555,936) (533,641)  
Land      
Changes in property and equipment [Line Items]      
Beginning balance 14,370,684    
Ending balance 14,520,652 14,370,684  
Land | Carrying Amount Other than Government Grants [Member]      
Changes in property and equipment [Line Items]      
Beginning balance 14,398,088 14,270,937  
Acquisitions 28,390 23,519  
Disposals (38,162) (15,302)  
Depreciation 0 0  
Impairment 0 0  
Others 159,739 118,934  
Ending balance 14,548,055 14,398,088 14,270,937
Land | Acquisition cost      
Changes in property and equipment [Line Items]      
Beginning balance 14,426,253    
Ending balance 14,577,296 14,426,253  
Land | Accumulated depreciation      
Changes in property and equipment [Line Items]      
Beginning balance 0    
Ending balance 0 0  
Land | Accumulated impairment losses      
Changes in property and equipment [Line Items]      
Beginning balance (28,165)    
Ending balance (29,241) (28,165)  
Land | Government grants      
Changes in property and equipment [Line Items]      
Beginning balance (27,404) (27,405)  
Acquisitions 0 0  
Disposals 1 1  
Depreciation 0 0  
Impairment 0 0  
Others 0 0  
Ending balance (27,403) (27,404) (27,405)
Buildings      
Changes in property and equipment [Line Items]      
Beginning balance 13,313,977    
Ending balance 13,355,743 13,313,977  
Buildings | Carrying Amount Other than Government Grants [Member]      
Changes in property and equipment [Line Items]      
Beginning balance 13,360,204 13,292,200  
Acquisitions 3,767 3,706  
Disposals (13,366) (6,221)  
Depreciation (984,288) (938,549)  
Impairment (1,351) 0  
Others 1,032,495 1,009,068  
Ending balance 13,397,461 13,360,204 13,292,200
Buildings | Acquisition cost      
Changes in property and equipment [Line Items]      
Beginning balance 25,236,830    
Ending balance 26,217,223 25,236,830  
Buildings | Accumulated depreciation      
Changes in property and equipment [Line Items]      
Beginning balance (11,870,875)    
Ending balance (12,812,659) (11,870,875)  
Buildings | Accumulated impairment losses      
Changes in property and equipment [Line Items]      
Beginning balance (5,751)    
Ending balance (7,103) (5,751)  
Buildings | Government grants      
Changes in property and equipment [Line Items]      
Beginning balance (46,227) (50,437)  
Acquisitions 0 0  
Disposals 0 0  
Depreciation 4,508 5,070  
Impairment 0 0  
Others 1 (860)  
Ending balance (41,718) (46,227) (50,437)
Structures      
Changes in property and equipment [Line Items]      
Beginning balance 50,732,120    
Ending balance 51,643,202 50,732,120  
Structures | Carrying Amount Other than Government Grants [Member]      
Changes in property and equipment [Line Items]      
Beginning balance 50,890,001 50,449,235  
Acquisitions 16,201 18,486  
Disposals (303,046) (311,877)  
Depreciation (2,873,012) (2,828,065)  
Impairment (9,154) 0  
Others 4,071,949 3,562,222  
Ending balance 51,792,939 50,890,001 50,449,235
Structures | Acquisition cost      
Changes in property and equipment [Line Items]      
Beginning balance 86,010,823    
Ending balance 89,573,695 86,010,823  
Structures | Accumulated depreciation      
Changes in property and equipment [Line Items]      
Beginning balance (35,111,297)    
Ending balance (37,762,078) (35,111,297)  
Structures | Accumulated impairment losses      
Changes in property and equipment [Line Items]      
Beginning balance (9,525)    
Ending balance (18,678) (9,525)  
Structures | Government grants      
Changes in property and equipment [Line Items]      
Beginning balance (157,881) (165,608)  
Acquisitions 0 0  
Disposals 1,330 1,611  
Depreciation 9,458 9,562  
Impairment 0 0  
Others (2,644) (3,446)  
Ending balance (149,737) (157,881) (165,608)
Machinery      
Changes in property and equipment [Line Items]      
Beginning balance 53,697,222    
Ending balance 56,850,185 53,697,222  
Machinery | Carrying Amount Other than Government Grants [Member]      
Changes in property and equipment [Line Items]      
Beginning balance 53,817,046 54,191,785  
Acquisitions 341,652 184,532  
Disposals (199,670) (195,673)  
Depreciation (6,311,423) (6,062,471)  
Impairment (735) (6,331)  
Others 9,308,861 5,705,204  
Ending balance 56,955,731 53,817,046 54,191,785
Machinery | Acquisition cost      
Changes in property and equipment [Line Items]      
Beginning balance 113,735,035    
Ending balance 122,610,077 113,735,035  
Machinery | Accumulated depreciation      
Changes in property and equipment [Line Items]      
Beginning balance (59,381,603)    
Ending balance (65,120,941) (59,381,603)  
Machinery | Accumulated impairment losses      
Changes in property and equipment [Line Items]      
Beginning balance (536,386)    
Ending balance (533,405) (536,386)  
Machinery | Government grants      
Changes in property and equipment [Line Items]      
Beginning balance (119,824) (127,126)  
Acquisitions 0 0  
Disposals 522 1,230  
Depreciation 16,076 17,413  
Impairment 0 0  
Others (2,320) (11,341)  
Ending balance (105,546) (119,824) (127,126)
Ships      
Changes in property and equipment [Line Items]      
Beginning balance 12,365    
Ending balance 10,534 12,365  
Ships | Carrying Amount Other than Government Grants [Member]      
Changes in property and equipment [Line Items]      
Beginning balance 12,365 13,476  
Acquisitions 0 0  
Disposals 0 0  
Depreciation (1,865) (1,812)  
Impairment 0 0  
Others 34 701  
Ending balance 10,534 12,365 13,476
Ships | Acquisition cost      
Changes in property and equipment [Line Items]      
Beginning balance 17,845    
Ending balance 17,870 17,845  
Ships | Accumulated depreciation      
Changes in property and equipment [Line Items]      
Beginning balance (5,480)    
Ending balance (7,336) (5,480)  
Ships | Accumulated impairment losses      
Changes in property and equipment [Line Items]      
Beginning balance 0    
Ending balance 0 0  
Ships | Government grants      
Changes in property and equipment [Line Items]      
Beginning balance 0    
Ending balance 0 0  
Vehicles      
Changes in property and equipment [Line Items]      
Beginning balance 80,537    
Ending balance 78,706 80,537  
Vehicles | Carrying Amount Other than Government Grants [Member]      
Changes in property and equipment [Line Items]      
Beginning balance 83,374 87,687  
Acquisitions 4,311 5,778  
Disposals (223) (76)  
Depreciation (43,837) (40,760)  
Impairment 0 0  
Others 37,826 30,745  
Ending balance 81,451 83,374 87,687
Vehicles | Acquisition cost      
Changes in property and equipment [Line Items]      
Beginning balance 421,349    
Ending balance 452,812 421,349  
Vehicles | Accumulated depreciation      
Changes in property and equipment [Line Items]      
Beginning balance (337,859)    
Ending balance (371,245) (337,859)  
Vehicles | Accumulated impairment losses      
Changes in property and equipment [Line Items]      
Beginning balance (116)    
Ending balance (116) (116)  
Vehicles | Government grants      
Changes in property and equipment [Line Items]      
Beginning balance (2,837) (2,045)  
Acquisitions 0 0  
Disposals 8 0  
Depreciation 1,233 960  
Impairment 0 0  
Others (1,149) (1,752)  
Ending balance (2,745) (2,837) (2,045)
Equipment      
Changes in property and equipment [Line Items]      
Beginning balance 424,943    
Ending balance 434,181 424,943  
Equipment | Carrying Amount Other than Government Grants [Member]      
Changes in property and equipment [Line Items]      
Beginning balance 430,875 435,741  
Acquisitions 84,020 62,291  
Disposals (236) (264)  
Depreciation (210,376) (206,894)  
Impairment 0 0  
Others 133,813 140,001  
Ending balance 438,096 430,875 435,741
Equipment | Acquisition cost      
Changes in property and equipment [Line Items]      
Beginning balance 2,341,242    
Ending balance 2,512,223 2,341,242  
Equipment | Accumulated depreciation      
Changes in property and equipment [Line Items]      
Beginning balance (1,909,992)    
Ending balance (2,073,752) (1,909,992)  
Equipment | Accumulated impairment losses      
Changes in property and equipment [Line Items]      
Beginning balance (375)    
Ending balance (375) (375)  
Equipment | Government grants      
Changes in property and equipment [Line Items]      
Beginning balance (5,932) (6,608)  
Acquisitions 0 0  
Disposals 0 0  
Depreciation 2,118 2,011  
Impairment 0 0  
Others (101) (1,335)  
Ending balance (3,915) (5,932) (6,608)
Tools      
Changes in property and equipment [Line Items]      
Beginning balance 164,412    
Ending balance 172,430 164,412  
Tools | Carrying Amount Other than Government Grants [Member]      
Changes in property and equipment [Line Items]      
Beginning balance 164,474 178,501  
Acquisitions 32,825 30,598  
Disposals (68) (364)  
Depreciation (82,603) (78,487)  
Impairment 0 0  
Others 59,108 34,226  
Ending balance 173,736 164,474 178,501
Tools | Acquisition cost      
Changes in property and equipment [Line Items]      
Beginning balance 1,354,532    
Ending balance 1,428,994 1,354,532  
Tools | Accumulated depreciation      
Changes in property and equipment [Line Items]      
Beginning balance (1,190,057)    
Ending balance (1,255,257) (1,190,057)  
Tools | Accumulated impairment losses      
Changes in property and equipment [Line Items]      
Beginning balance (1)    
Ending balance (1) (1)  
Tools | Government grants      
Changes in property and equipment [Line Items]      
Beginning balance (62) (99)  
Acquisitions 0 0  
Disposals 0 0  
Depreciation 341 38  
Impairment 0 0  
Others (1,585) (1)  
Ending balance (1,306) (62) (99)
Construction in progress      
Changes in property and equipment [Line Items]      
Beginning balance 31,835,028    
Ending balance 31,060,792 31,835,028  
Construction in progress | Carrying Amount Other than Government Grants [Member]      
Changes in property and equipment [Line Items]      
Beginning balance 32,008,502 28,041,471  
Acquisitions 14,335,323 14,069,968  
Disposals 0 (1,511)  
Depreciation 0 0  
Impairment 0 (10,700)  
Others (15,059,467) (10,090,726)  
Ending balance 31,284,358 32,008,502 28,041,471
Construction in progress | Acquisition cost      
Changes in property and equipment [Line Items]      
Beginning balance 32,031,297    
Ending balance 31,307,153 32,031,297  
Construction in progress | Accumulated depreciation      
Changes in property and equipment [Line Items]      
Beginning balance 0    
Ending balance 0 0  
Construction in progress | Accumulated impairment losses      
Changes in property and equipment [Line Items]      
Beginning balance (22,795)    
Ending balance (22,795) (22,795)  
Construction in progress | Government grants      
Changes in property and equipment [Line Items]      
Beginning balance (173,474) (135,926)  
Acquisitions 6,806 5,544  
Disposals 75 0  
Depreciation 0 0  
Impairment 0 0  
Others (56,973) (43,092)  
Ending balance (223,566) (173,474) (135,926)
Right-of-use assets      
Changes in property and equipment [Line Items]      
Beginning balance 3,363,743    
Ending balance 3,046,396 3,363,743  
Right-of-use assets | Carrying Amount Other than Government Grants [Member]      
Changes in property and equipment [Line Items]      
Beginning balance 3,363,743 3,711,125  
Acquisitions 132,495 261,862  
Disposals (2,252) (2,613)  
Depreciation (538,995) (536,517)  
Impairment 0 0  
Others 91,405 (70,114)  
Ending balance 3,046,396 3,363,743 3,711,125
Right-of-use assets | Acquisition cost      
Changes in property and equipment [Line Items]      
Beginning balance 6,041,794    
Ending balance 6,031,076 6,041,794  
Right-of-use assets | Accumulated depreciation      
Changes in property and equipment [Line Items]      
Beginning balance (2,678,051)    
Ending balance (2,984,680) (2,678,051)  
Right-of-use assets | Accumulated impairment losses      
Changes in property and equipment [Line Items]      
Beginning balance 0    
Ending balance 0 0  
Right-of-use assets | Government grants      
Changes in property and equipment [Line Items]      
Beginning balance 0    
Ending balance 0 0  
Retirements, property, plant and equipment      
Changes in property and equipment [Line Items]      
Beginning balance 9,733,574    
Ending balance 9,748,444 9,733,574  
Retirements, property, plant and equipment | Carrying Amount Other than Government Grants [Member]      
Changes in property and equipment [Line Items]      
Beginning balance 9,733,574 11,288,967  
Acquisitions 0 0  
Disposals 0 0  
Depreciation (1,809,280) (1,251,446)  
Impairment 0 0  
Others 1,824,150 (303,947)  
Ending balance 9,748,444 9,733,574 11,288,967
Retirements, property, plant and equipment | Acquisition cost      
Changes in property and equipment [Line Items]      
Beginning balance 17,007,088    
Ending balance 18,283,796 17,007,088  
Retirements, property, plant and equipment | Accumulated depreciation      
Changes in property and equipment [Line Items]      
Beginning balance (7,127,091)    
Ending balance (8,388,929) (7,127,091)  
Retirements, property, plant and equipment | Accumulated impairment losses      
Changes in property and equipment [Line Items]      
Beginning balance (146,423)    
Ending balance (146,423) (146,423)  
Retirements, property, plant and equipment | Government grants      
Changes in property and equipment [Line Items]      
Beginning balance 0    
Ending balance 0 0  
Other property, plant and equipment      
Changes in property and equipment [Line Items]      
Beginning balance 2,146,930    
Ending balance 2,061,498 2,146,930  
Other property, plant and equipment | Carrying Amount Other than Government Grants [Member]      
Changes in property and equipment [Line Items]      
Beginning balance 2,146,930 2,419,437  
Acquisitions 1,704 1,290  
Disposals 0 0  
Depreciation (1,011,161) (958,649)  
Impairment 0 0  
Others 924,025 684,852  
Ending balance 2,061,498 2,146,930 ₩ 2,419,437
Other property, plant and equipment | Acquisition cost      
Changes in property and equipment [Line Items]      
Beginning balance 16,255,667    
Ending balance 17,198,254 16,255,667  
Other property, plant and equipment | Accumulated depreciation      
Changes in property and equipment [Line Items]      
Beginning balance (14,108,737)    
Ending balance (15,136,756) (14,108,737)  
Other property, plant and equipment | Accumulated impairment losses      
Changes in property and equipment [Line Items]      
Beginning balance 0    
Ending balance 0 0  
Other property, plant and equipment | Government grants      
Changes in property and equipment [Line Items]      
Beginning balance 0    
Ending balance ₩ 0 ₩ 0