XML 181 R166.htm IDEA: XBRL DOCUMENT v3.23.1
Property, Plant and Equipment - Summary of Changes in Property, Plant and Equipment (Details) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Changes in property and equipment [Line Items]    
Beginning balance ₩ 173,134,638 ₩ 168,710,600
Acquisitions 12,486,698 12,638,471
Disposals (756,967) (613,515)
Depreciation (12,304,766) (11,774,945)
Impairment 97,425 (4,056)
Others 5,208,280 4,178,083
Ending balance 177,865,308 173,134,638
Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 287,628,367  
Ending balance 301,417,289 287,628,367
Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (113,125,414)  
Ending balance (122,280,663) (113,125,414)
Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (866,906)  
Ending balance (756,064) (866,906)
Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (501,409)  
Ending balance (515,254) (501,409)
Land    
Changes in property and equipment [Line Items]    
Beginning balance 14,084,491  
Ending balance 14,243,532 14,084,491
Land | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 14,107,965 13,943,326
Acquisitions 9,535 9,561
Disposals (49,377) (54,447)
Depreciation 0 0
Impairment 0 0
Others 202,814 209,525
Ending balance 14,270,937 14,107,965
Land | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 14,135,452  
Ending balance 14,298,409 14,135,452
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 (27,487)  
Ending balance (27,472) (27,487)
Land | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (23,474) (23,475)
Acquisitions 0 0
Disposals 1 1
Depreciation 0 0
Impairment 0 0
Others (3,932) 0
Ending balance (27,405) (23,474)
Buildings    
Changes in property and equipment [Line Items]    
Beginning balance 12,874,104  
Ending balance 13,241,763 12,874,104
Buildings | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 12,926,226 12,616,532
Acquisitions 3,202 9,036
Disposals (19,918) (19,974)
Depreciation (906,528) (889,539)
Impairment (449) 0
Others 1,289,667 1,210,171
Ending balance 13,292,200 12,926,226
Buildings | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 22,974,569  
Ending balance 24,230,827 22,974,569
Buildings | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (10,041,270)  
Ending balance (10,931,672) (10,041,270)
Buildings | Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (7,073)  
Ending balance (6,955) (7,073)
Buildings | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (52,122) (57,231)
Acquisitions 0 0
Disposals 0 0
Depreciation 5,360 5,174
Impairment 0 0
Others (3,675) (65)
Ending balance (50,437) (52,122)
Structures    
Changes in property and equipment [Line Items]    
Beginning balance 48,118,031  
Ending balance 50,283,627 48,118,031
Structures | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 48,290,052 46,258,855
Acquisitions 217,450 630
Disposals (277,308) (319,287)
Depreciation (2,677,395) (2,582,488)
Impairment (3,669) (741)
Others 4,900,105 4,933,083
Ending balance 50,449,235 48,290,052
Structures | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 78,474,620  
Ending balance 83,055,890 78,474,620
Structures | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (30,171,363)  
Ending balance (32,596,265) (30,171,363)
Structures | Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (13,205)  
Ending balance (10,390) (13,205)
Structures | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (172,021) (180,009)
Acquisitions 0 0
Disposals 1,250 1,811
Depreciation 9,568 9,517
Impairment 0 0
Others (4,405) (3,340)
Ending balance (165,608) (172,021)
Machinery    
Changes in property and equipment [Line Items]    
Beginning balance 51,615,300  
Ending balance 54,064,659 51,615,300
Machinery | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 51,755,382 50,038,787
Acquisitions 248,932 268,126
Disposals (188,924) (135,803)
Depreciation (5,748,407) (5,759,425)
Impairment (33,191) 0
Others 8,157,993 7,343,697
Ending balance 54,191,785 51,755,382
Machinery | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 101,062,220  
Ending balance 108,749,243 101,062,220
Machinery | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (48,791,847)  
Ending balance (54,015,594) (48,791,847)
Machinery | Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (514,991)  
Ending balance (541,864) (514,991)
Machinery | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (140,082) (157,785)
Acquisitions 0 0
Disposals 405 531
Depreciation 17,283 17,519
Impairment 0 0
Others (4,732) (347)
Ending balance (127,126) (140,082)
Ships    
Changes in property and equipment [Line Items]    
Beginning balance 177  
Ending balance 13,476 177
Ships | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 177 255
Acquisitions 0 0
Disposals 0 0
Depreciation (1,053) (103)
Impairment 0 0
Others 14,352 25
Ending balance 13,476 177
Ships | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 2,068  
Ending balance 17,264 2,068
Ships | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (1,891)  
Ending balance (3,788) (1,891)
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 87,582  
Ending balance 85,642 87,582
Vehicles | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 89,257 78,983
Acquisitions 1,813 4,807
Disposals (88) (4,298)
Depreciation (41,907) (37,980)
Impairment 0 0
Others 38,612 47,745
Ending balance 87,687 89,257
Vehicles | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 371,207  
Ending balance 393,046 371,207
Vehicles | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (281,833)  
Ending balance (305,242) (281,833)
Vehicles | Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (117)  
Ending balance (117) (117)
Vehicles | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (1,675) (632)
Acquisitions 0 (26)
Disposals 0 0
Depreciation 663 460
Impairment 0 0
Others (1,033) (1,477)
Ending balance (2,045) (1,675)
Equipment    
Changes in property and equipment [Line Items]    
Beginning balance 397,034  
Ending balance 429,133 397,034
Equipment | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 397,183 407,843
Acquisitions 79,369 54,875
Disposals (183) (667)
Depreciation (205,908) (184,007)
Impairment (1) 0
Others 165,281 119,139
Ending balance 435,741 397,183
Equipment | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 1,989,115  
Ending balance 2,168,348 1,989,115
Equipment | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (1,591,890)  
Ending balance (1,732,564) (1,591,890)
Equipment | Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (42)  
Ending balance (43) (42)
Equipment | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (149) (227)
Acquisitions 0 0
Disposals 0 0
Depreciation 494 95
Impairment 0 0
Others (6,953) (17)
Ending balance (6,608) (149)
Tools    
Changes in property and equipment [Line Items]    
Beginning balance 183,001  
Ending balance 178,402 183,001
Tools | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 183,065 192,387
Acquisitions 25,291 19,389
Disposals (180) (89)
Depreciation (77,902) (81,984)
Impairment 0 0
Others 48,227 53,362
Ending balance 178,501 183,065
Tools | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 1,256,189  
Ending balance 1,306,509 1,256,189
Tools | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (1,073,086)  
Ending balance (1,128,002) (1,073,086)
Tools | Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (38)  
Ending balance (6) (38)
Tools | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (64) (239)
Acquisitions 0 0
Disposals 0 0
Depreciation 32 209
Impairment 0 0
Others (67) (34)
Ending balance (99) (64)
Construction in progress    
Changes in property and equipment [Line Items]    
Beginning balance 30,044,272  
Ending balance 27,905,545 30,044,272
Construction in progress | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 30,156,094 30,964,938
Acquisitions 11,671,907 12,183,430
Disposals (197,293) (66,965)
Depreciation 0 0
Impairment 134,735 (3,315)
Others (13,723,972) (12,921,994)
Ending balance 28,041,471 30,156,094
Construction in progress | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 30,313,624  
Ending balance 28,064,266 30,313,624
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 (157,530)  
Ending balance (22,795) (157,530)
Construction in progress | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (111,822) (79,126)
Acquisitions 23,155 5,027
Disposals 17 0
Depreciation 0 0
Impairment 0 0
Others (47,276) (37,723)
Ending balance (135,926) (111,822)
Right-of-use assets    
Changes in property and equipment [Line Items]    
Beginning balance 4,059,397  
Ending balance 3,711,125 4,059,397
Right-of-use assets | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 4,059,397 4,542,166
Acquisitions 197,016 78,213
Disposals (2,838) (11,787)
Depreciation (509,068) (558,565)
Impairment 0 0
Others (33,382) 9,370
Ending balance 3,711,125 4,059,397
Right-of-use assets | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 7,848,138  
Ending balance 5,992,724 7,848,138
Right-of-use assets | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (3,788,741)  
Ending balance (2,281,599) (3,788,741)
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 8,925,388  
Ending balance 11,288,967 8,925,388
Retirements, property, plant and equipment | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 8,925,388 7,413,171
Acquisitions 0 92
Disposals 0 (209)
Depreciation (1,133,866) (844,518)
Impairment 0 0
Others 3,497,445 2,356,852
Ending balance 11,288,967 8,925,388
Retirements, property, plant and equipment | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 14,348,920  
Ending balance 17,620,603 14,348,920
Retirements, property, plant and equipment | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (5,277,109)  
Ending balance (6,185,214) (5,277,109)
Retirements, property, plant and equipment | Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (146,423)  
Ending balance (146,422) (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 2,745,861  
Ending balance 2,419,437 2,745,861
Other property, plant and equipment | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 2,745,861 2,752,081
Acquisitions 9,028 5,311
Disposals (22,531) (2,332)
Depreciation (1,036,132) (869,310)
Impairment 0 0
Others 723,211 860,111
Ending balance 2,419,437 2,745,861
Other property, plant and equipment | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 14,852,245  
Ending balance 15,520,160 14,852,245
Other property, plant and equipment | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (12,106,384)  
Ending balance (13,100,723) (12,106,384)
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