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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

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- Definition The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2025-01-01 -Paragraph 73 -Subparagraph e -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e_ii&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 200 -Subparagraph e -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e_ii&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 200 -Subparagraph e -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e_ii&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. Note that right-of-use assets are not included. [Contrast: Property, plant and equipment including right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2025-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 200 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 200 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e&doctype=Standard -URIDate 2025-03-27 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 54 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_a&doctype=Standard -URIDate 2025-03-27 + Details
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