XML 138 R128.htm IDEA: XBRL DOCUMENT v3.26.1
Property, Plant and Equipment, Net - Changes in Carrying Amount of Property, Plant and Equipment (Detail) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning ₩ 39,846,828 ₩ 35,206,248
Acquisitions 6,068,599 8,066,740
Business combination 634,635  
Disposals (259,837) (95,961)
Depreciation (3,665,611) (3,489,133)
Impairment loss (135,653) (610,114)
Others (196,141) 769,048
Ending 42,292,820 39,846,828
Land [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning 3,335,875 3,290,244
Acquisitions 33,702 20,523
Business combination 218,786  
Disposals (13,247) (6,061)
Impairment loss (1,364) (6,620)
Others 112,634 37,789
Ending 3,686,386 3,335,875
Buildings [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning 5,280,968 4,427,632
Acquisitions 28,996 14,002
Business combination 62,944  
Disposals (35,868) (11,137)
Depreciation (403,394) (346,334)
Impairment loss   (67,797)
Others 860,194 1,264,602
Ending 5,793,840 5,280,968
Structures [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning 3,860,523 3,081,524
Acquisitions 13,591 11,663
Business combination 10,796  
Disposals (103,544) (4,497)
Depreciation (330,278) (306,017)
Impairment loss   (15,328)
Others 839,285 1,093,178
Ending 4,290,373 3,860,523
Machinery and equipment [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning 18,311,678 16,539,192
Acquisitions 107,319 179,457
Business combination 23,146  
Disposals (43,106) (47,511)
Depreciation (2,543,786) (2,484,915)
Impairment loss (88,769) (385,367)
Others 2,438,845 4,510,822
Ending 18,205,327 18,311,678
Vehicles [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning 89,975 79,595
Acquisitions 9,538 17,353
Business combination 19,921  
Disposals (1,463) (1,487)
Depreciation (40,783) (39,263)
Impairment loss (1,344) (56)
Others 24,771 33,833
Ending 100,615 89,975
Tools [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning 134,501 128,865
Acquisitions 23,288 28,731
Disposals (1,850) (673)
Depreciation (53,854) (54,966)
Impairment loss (1) (1,573)
Others 16,173 34,117
Ending 118,257 134,501
Furniture and fixtures [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning 200,033 189,887
Acquisitions 30,487 27,966
Business combination 4,818  
Disposals (3,466) (2,380)
Depreciation (79,619) (70,561)
Impairment loss   (3,260)
Others 66,915 58,381
Ending 219,168 200,033
Bearer plants [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning 139,451 137,331
Business combination 249,352  
Disposals (4,647) (27)
Depreciation (11,229) (9,602)
Others (10,056) 11,749
Ending 362,871 139,451
Construction-in-progress [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning 7,523,190 6,333,673
Acquisitions 5,176,786 7,634,826
Business combination 44,872  
Disposals (8,941) (3,482)
Impairment loss (44,175) (128,119)
Others (4,550,076) (6,313,708)
Ending 8,141,656 7,523,190
Right-of-use assets [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Beginning 970,634 998,305
Acquisitions 644,892 132,219
Disposals (43,705) (18,706)
Depreciation (202,668) (177,475)
Impairment loss   (1,994)
Others 5,174 38,285
Ending ₩ 1,374,327 ₩ 970,634