XML 179 R167.htm IDEA: XBRL DOCUMENT v3.22.1
Property, Plant and Equipment - Summary of Changes in Property, Plant and Equipment (Details) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Changes in property and equipment [Line Items]    
Beginning balance ₩ 168,709,387 ₩ 164,701,827
Acquisitions 12,614,177 13,593,937
Disposals (613,515) (685,326)
Depreciation (11,770,725) (11,376,100)
Impairment (4,056) (72,607)
Others 4,184,513 2,547,656
Ending balance 173,119,781 168,709,387
Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 272,874,770  
Ending balance 287,613,240 272,874,770
Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (102,800,055)  
Ending balance (113,125,144) (102,800,055)
Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (866,604)  
Ending balance (866,906) (866,604)
Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (498,724)  
Ending balance (501,409) (498,724)
Land    
Changes in property and equipment [Line Items]    
Beginning balance 13,919,851  
Ending balance 14,084,491 13,919,851
Land | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 13,943,326 13,848,063
Acquisitions 9,561 5,330
Disposals (54,447) (31,304)
Depreciation 0 (273)
Impairment 0 0
Others 209,525 121,510
Ending balance 14,107,965 13,943,326
Land | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 13,970,098  
Ending balance 14,135,452 13,970,098
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 (26,772)  
Ending balance (27,487) (26,772)
Land | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (23,475) (21,817)
Acquisitions 0 0
Disposals 1 2
Depreciation 0 0
Impairment 0 0
Others 0 (1,660)
Ending balance (23,474) (23,475)
Buildings    
Changes in property and equipment [Line Items]    
Beginning balance 12,559,301  
Ending balance 12,872,930 12,559,301
Buildings | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 12,616,532 12,445,706
Acquisitions 9,036 7,225
Disposals (19,974) (16,015)
Depreciation (889,539) (875,680)
Impairment 0 (2,107)
Others 1,208,997 1,057,403
Ending balance 12,925,052 12,616,532
Buildings | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 21,773,824  
Ending balance 22,973,395 21,773,824
Buildings | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (9,150,218)  
Ending balance (10,041,270) (9,150,218)
Buildings | Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (7,074)  
Ending balance (7,073) (7,074)
Buildings | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (57,231) (61,920)
Acquisitions 0 0
Disposals 0 0
Depreciation 5,174 5,206
Impairment 0 0
Others (65) (517)
Ending balance (52,122) (57,231)
Structures    
Changes in property and equipment [Line Items]    
Beginning balance 46,078,846  
Ending balance 48,116,505 46,078,846
Structures | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 46,258,855 45,178,870
Acquisitions (5,472) 36,091
Disposals (319,287) (346,612)
Depreciation (2,582,488) (2,313,920)
Impairment (741) (3,571)
Others 4,937,659 3,707,997
Ending balance 48,288,526 46,258,855
Structures | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 74,136,523  
Ending balance 78,473,094 74,136,523
Structures | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (27,864,461)  
Ending balance (30,171,363) (27,864,461)
Structures | Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (13,207)  
Ending balance (13,205) (13,207)
Structures | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (180,009) (186,554)
Acquisitions 0 0
Disposals 1,811 2,032
Depreciation 9,517 9,526
Impairment 0 0
Others (3,340) (5,013)
Ending balance (172,021) (180,009)
Machinery    
Changes in property and equipment [Line Items]    
Beginning balance 49,881,002  
Ending balance 51,603,143 49,881,002
Machinery | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 50,038,787 49,907,300
Acquisitions 268,126 407,521
Disposals (135,803) (283,845)
Depreciation (5,759,155) (5,526,816)
Impairment 0 (74,362)
Others 7,331,270 5,608,989
Ending balance 51,743,225 50,038,787
Machinery | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 94,295,027  
Ending balance 101,049,793 94,295,027
Machinery | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (43,740,838)  
Ending balance (48,791,577) (43,740,838)
Machinery | Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (515,402)  
Ending balance (514,991) (515,402)
Machinery | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (157,785) (158,907)
Acquisitions 0 0
Disposals 531 496
Depreciation 17,519 17,468
Impairment 0 0
Others (347) (16,842)
Ending balance (140,082) (157,785)
Ships    
Changes in property and equipment [Line Items]    
Beginning balance 255  
Ending balance 177 255
Ships | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 255 201
Acquisitions 0 0
Disposals 0 0
Depreciation (103) (106)
Impairment 0 0
Others 25 160
Ending balance 177 255
Ships | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 2,482  
Ending balance 2,068 2,482
Ships | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (2,227)  
Ending balance (1,891) (2,227)
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 78,351  
Ending balance 87,582 78,351
Vehicles | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 78,983 70,585
Acquisitions 4,807 3,880
Disposals (4,298) (151)
Depreciation (37,980) (35,036)
Impairment 0 0
Others 47,745 39,705
Ending balance 89,257 78,983
Vehicles | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 338,386  
Ending balance 371,207 338,386
Vehicles | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (259,288)  
Ending balance (281,833) (259,288)
Vehicles | Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (115)  
Ending balance (117) (115)
Vehicles | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (632) (2,275)
Acquisitions (26) 0
Disposals 0 4
Depreciation 460 2,064
Impairment 0 0
Others (1,477) (425)
Ending balance (1,675) (632)
Equipment    
Changes in property and equipment [Line Items]    
Beginning balance 407,616  
Ending balance 397,034 407,616
Equipment | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 407,843 374,115
Acquisitions 54,875 72,655
Disposals (667) (86)
Depreciation (184,007) (186,004)
Impairment 0 0
Others 119,139 147,163
Ending balance 397,183 407,843
Equipment | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 1,895,528  
Ending balance 1,989,115 1,895,528
Equipment | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (1,487,643)  
Ending balance (1,591,890) (1,487,643)
Equipment | Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (42)  
Ending balance (42) (42)
Equipment | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (227) (241)
Acquisitions 0 0
Disposals 0 0
Depreciation 95 149
Impairment 0 0
Others (17) (135)
Ending balance (149) (227)
Tools    
Changes in property and equipment [Line Items]    
Beginning balance 192,148  
Ending balance 183,001 192,148
Tools | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 192,387 164,064
Acquisitions 19,389 28,048
Disposals (89) (193)
Depreciation (81,984) (82,862)
Impairment 0 0
Others 53,362 83,330
Ending balance 183,065 192,387
Tools | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 1,195,721  
Ending balance 1,256,189 1,195,721
Tools | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (1,003,295)  
Ending balance (1,073,086) (1,003,295)
Tools | Accumulated impairment losses    
Changes in property and equipment [Line Items]    
Beginning balance (39)  
Ending balance (38) (39)
Tools | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (239) (403)
Acquisitions 0 0
Disposals 0 0
Depreciation 209 243
Impairment 0 0
Others (34) (79)
Ending balance (64) (239)
Construction in progress    
Changes in property and equipment [Line Items]    
Beginning balance 30,884,599  
Ending balance 30,044,272 30,884,599
Construction in progress | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 30,963,725 28,419,470
Acquisitions 12,165,238 12,726,469
Disposals (66,965) (486)
Depreciation 0 0
Impairment (3,315) 7,799
Others (12,902,589) (10,189,527)
Ending balance 30,156,094 30,963,725
Construction in progress | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 31,121,255  
Ending balance 30,313,624 31,121,255
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 (157,530) (157,530)
Construction in progress | Government grants    
Changes in property and equipment [Line Items]    
Beginning balance (79,126) (61,211)
Acquisitions 5,027 8,783
Disposals 0 0
Depreciation 0 0
Impairment 0 0
Others (37,723) (26,698)
Ending balance (111,822) (79,126)
Right-of-use assets    
Changes in property and equipment [Line Items]    
Beginning balance 4,542,166  
Ending balance 4,059,397 4,542,166
Right-of-use assets | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 4,542,166 4,783,573
Acquisitions 78,213 291,334
Disposals (11,787) (827)
Depreciation (554,615) (586,254)
Impairment 0 0
Others 5,420 54,340
Ending balance 4,059,397 4,542,166
Right-of-use assets | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 7,905,214  
Ending balance 7,848,138 7,905,214
Right-of-use assets | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (3,363,048)  
Ending balance (3,788,741) (3,363,048)
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 7,413,171  
Ending balance 8,925,388 7,413,171
Retirements, property, plant and equipment | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 7,413,171 7,374,527
Acquisitions 92 131
Disposals (209) (196)
Depreciation (844,518) (819,708)
Impairment 0 0
Others 2,356,852 858,417
Ending balance 8,925,388 7,413,171
Retirements, property, plant and equipment | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 12,260,732  
Ending balance 14,348,920 12,260,732
Retirements, property, plant and equipment | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (4,701,138)  
Ending balance (5,277,109) (4,701,138)
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 2,752,081  
Ending balance 2,745,861 2,752,081
Other property, plant and equipment | Carrying Amount Other than Government Grants [Member]    
Changes in property and equipment [Line Items]    
Beginning balance 2,752,081 2,628,681
Acquisitions 5,311 6,470
Disposals (2,332) (8,145)
Depreciation (869,310) (984,097)
Impairment 0 (366)
Others 860,111 1,109,538
Ending balance 2,745,861 2,752,081
Other property, plant and equipment | Acquisition cost    
Changes in property and equipment [Line Items]    
Beginning balance 13,979,980  
Ending balance 14,852,245 13,979,980
Other property, plant and equipment | Accumulated depreciation    
Changes in property and equipment [Line Items]    
Beginning balance (11,227,899)  
Ending balance (12,106,384) (11,227,899)
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