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v3.19.1

Property, Plant and Equipment (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | ₩ 150,882,414 |  | ₩ 145,743,056 |
Acquisitions |  | 12,266,870 |  | 12,535,958 |
Disposals |  | (909,211) |  | (824,993) |
Depreciation |  | (9,904,933) |  | (9,658,863) |
Impairment |  | (710,162) | [1] | (51,067) | [2]
Others |  | 1,118,218 |  | 3,138,321 |
Ending balance |  | 152,743,194 |  | 150,882,414 |
Land |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 13,296,574 |  | 12,966,537 |
Ending balance |  | 13,532,324 |  | 13,296,574 |
Land | Carrying Amount Other than Government Grants [Member] |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 13,318,542 |  | 12,969,741 |
Acquisitions |  | 2,254 |  | 32,773 |
Disposals |  | (18,240) |  | (8,961) |
Depreciation |  | 0 |  | 0 |
Impairment |  | 0 | [1] | 0 | [2]
Others |  | 251,736 |  | 324,989 |
Ending balance |  | 13,554,292 |  | 13,318,542 |
Land | Acquisition cost |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 13,318,542 |  | 12,969,741 |
Ending balance |  | 13,554,292 |  | 13,318,542 |
Land | Government grants |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (21,968) |  | (3,204) |
Acquisitions |  | 0 |  | 0 |
Disposals |  | 0 |  | 5 |
Depreciation |  | 0 |  | 0 |
Impairment |  | 0 | [1] | 0 | [2]
Others |  | 0 |  | (18,769) |
Ending balance |  | (21,968) |  | (21,968) |
Buildings |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 11,989,987 |  | 11,723,436 |
Ending balance |  | 11,870,502 |  | 11,989,987 |
Buildings | Carrying Amount Other than Government Grants [Member] |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 12,053,526 |  | 11,784,624 |
Acquisitions |  | 10,156 |  | 40,592 |
Disposals |  | (8,545) |  | (19,715) |
Depreciation |  | (767,845) |  | (794,804) |
Impairment |  | (1,896) | [1] | (923) | [2]
Others |  | 648,295 |  | 1,043,752 |
Ending balance |  | 11,933,691 |  | 12,053,526 |
Buildings | Acquisition cost |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 18,777,678 |  | 17,722,326 |
Ending balance |  | 19,431,536 |  | 18,777,678 |
Buildings | Accumulated depreciation |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (6,722,376) |  | (5,936,849) |
Ending balance |  | (7,494,176) |  | (6,722,376) |
Buildings | Accumulated impairment losses |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (1,776) |  | (853) |
Ending balance |  | (3,669) |  | (1,776) |
Buildings | Government grants |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (63,539) |  | (61,188) |
Acquisitions |  | (4,213) |  | (900) |
Disposals |  | 31 |  | 28 |
Depreciation |  | 6,836 |  | 5,996 |
Impairment | [1] | 0 |  |  |
Others |  | (2,304) |  | (7,475) |
Ending balance |  | (63,189) |  | (63,539) |
Structures |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 43,908,364 |  | 43,132,774 |
Ending balance |  | 42,520,941 |  | 43,908,364 |
Structures | Carrying Amount Other than Government Grants [Member] |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 44,104,778 |  | 43,330,415 |
Acquisitions |  | 11,123 |  | 428 |
Disposals |  | (587,278) |  | (519,366) |
Depreciation |  | (2,476,278) |  | (2,421,168) |
Impairment |  | (360) | [1] | (6,856) | [2]
Others |  | 1,659,810 |  | 3,721,325 |
Ending balance |  | 42,711,795 |  | 44,104,778 |
Structures | Acquisition cost |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 66,184,484 |  | 63,291,437 |
Ending balance |  | 66,335,506 |  | 66,184,484 |
Structures | Accumulated depreciation |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (22,071,667) |  | (19,959,839) |
Ending balance |  | (23,615,312) |  | (22,071,667) |
Structures | Accumulated impairment losses |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (8,039) |  | (1,183) |
Ending balance |  | (8,339) |  | (8,039) |
Structures | Government grants |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (196,414) |  | (197,641) |
Acquisitions |  | 0 |  | 0 |
Disposals |  | 3,270 |  | 1,905 |
Depreciation |  | 10,292 |  | 10,011 |
Impairment |  | 0 | [1] | 0 | [2]
Others |  | (8,002) |  | (10,689) |
Ending balance |  | (190,854) |  | (196,414) |
Machinery |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 46,692,610 |  | 43,310,881 |
Ending balance |  | 47,283,353 |  | 46,692,610 |
Machinery | Carrying Amount Other than Government Grants [Member] |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 46,875,798 |  | 43,421,945 |
Acquisitions |  | 460,676 | [3] | 421,892 |
Disposals |  | (250,159) | [3] | (242,428) |
Depreciation |  | (4,973,252) | [3] | (4,821,595) |
Impairment |  | (393,839) | [1],[3] | (43,121) | [2]
Others |  | 5,737,371 | [3] | 8,139,105 |
Ending balance |  | 47,456,595 | [3] | 46,875,798 |
Machinery | Acquisition cost |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 75,826,292 |  | 67,769,168 |
Ending balance |  | 82,047,823 |  | 75,826,292 |
Machinery | Accumulated depreciation |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (28,904,982) |  | (24,344,832) |
Ending balance |  | (34,151,878) |  | (28,904,982) |
Machinery | Accumulated impairment losses |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (45,512) |  | (2,391) |
Ending balance |  | (439,350) |  | (45,512) |
Machinery | Government grants |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (183,188) |  | (111,064) |
Acquisitions |  | (1,185) |  | (10,834) |
Disposals |  | 823 |  | 489 |
Depreciation |  | 18,099 |  | 17,390 |
Impairment |  | 0 | [1] | 0 | [2]
Others |  | (7,791) |  | (79,169) |
Ending balance |  | (173,242) |  | (183,188) |
Ships |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 403 |  | 550 |
Ending balance |  | 302 |  | 403 |
Ships | Carrying Amount Other than Government Grants [Member] |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 403 |  | 550 |
Acquisitions |  | 0 |  | 0 |
Disposals |  | 0 |  | 0 |
Depreciation |  | (103) |  | (147) |
Impairment |  | 0 | [1] | 0 | [2]
Others |  | 2 |  | 0 |
Ending balance |  | 302 |  | 403 |
Ships | Acquisition cost |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 4,175 |  | 4,175 |
Ending balance |  | 3,655 |  | 4,175 |
Ships | Accumulated depreciation |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (3,772) |  | (3,625) |
Ending balance |  | (3,353) |  | (3,772) |
Vehicles |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 74,716 |  | 70,863 |
Ending balance |  | 67,969 |  | 74,716 |
Vehicles | Carrying Amount Other than Government Grants [Member] |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 81,038 |  | 70,970 |
Acquisitions |  | 2,774 |  | 3,447 |
Disposals |  | (402) |  | (174) |
Depreciation |  | (32,620) |  | (34,236) |
Impairment |  | 0 | [1] | (127) | [2]
Others |  | 21,399 |  | 41,158 |
Ending balance |  | 72,189 |  | 81,038 |
Vehicles | Acquisition cost |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 276,425 |  | 247,751 |
Ending balance |  | 287,954 |  | 276,425 |
Vehicles | Accumulated depreciation |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (195,260) |  | (176,781) |
Ending balance |  | (215,649) |  | (195,260) |
Vehicles | Accumulated impairment losses |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (127) |  |  |
Ending balance |  | (116) |  | (127) |
Vehicles | Government grants |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (6,322) |  | (107) |
Acquisitions |  | (45) |  | (107) |
Disposals |  | 0 |  | 14 |
Depreciation |  | 2,146 |  | 1,070 |
Impairment |  | 0 | [1] | 0 | [2]
Others |  | 1 |  | (7,192) |
Ending balance |  | (4,220) |  | (6,322) |
Equipment |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 419,911 |  | 375,663 |
Ending balance |  | 382,441 |  | 419,911 |
Equipment | Carrying Amount Other than Government Grants [Member] |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 420,672 |  | 376,395 |
Acquisitions |  | 36,884 |  | 53,529 |
Disposals |  | (265) |  | (413) |
Depreciation |  | (187,821) |  | (158,614) |
Impairment |  | (36) | [1] | (6) | [2]
Others |  | 113,425 |  | 149,781 |
Ending balance |  | 382,859 |  | 420,672 |
Equipment | Acquisition cost |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 1,440,870 |  | 1,270,660 |
Ending balance |  | 1,558,309 |  | 1,440,870 |
Equipment | Accumulated depreciation |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (1,020,192) |  | (894,265) |
Ending balance |  | (1,175,408) |  | (1,020,192) |
Equipment | Accumulated impairment losses |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (6) |  |  |
Ending balance |  | (42) |  | (6) |
Equipment | Government grants |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (761) |  | (732) |
Acquisitions |  | (22) |  | (43) |
Disposals |  | 0 |  | 0 |
Depreciation |  | 365 |  | 454 |
Impairment |  | 0 | [1] | 0 | [2]
Others |  | 0 |  | (440) |
Ending balance |  | (418) |  | (761) |
Tools |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 199,636 |  | 178,602 |
Ending balance |  | 192,000 |  | 199,636 |
Tools | Carrying Amount Other than Government Grants [Member] |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 200,663 |  | 179,032 |
Acquisitions |  | 12,331 |  | 30,990 |
Disposals |  | (268) |  | (166) |
Depreciation |  | (83,283) |  | (74,909) |
Impairment |  | (6) | [1] | (32) | [2]
Others |  | 63,238 |  | 0 |
Ending balance |  | 192,675 |  | 200,663 |
Tools | Acquisition cost |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 1,010,537 |  | 921,115 |
Ending balance |  | 1,073,145 |  | 1,010,537 |
Tools | Accumulated depreciation |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (809,842) |  | (742,083) |
Ending balance |  | (880,432) |  | (809,842) |
Tools | Accumulated impairment losses |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (32) |  |  |
Ending balance |  | (38) |  | (32) |
Tools | Government grants |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (1,027) |  | (430) |
Acquisitions |  | (44) |  | 0 |
Disposals |  | 0 |  | 0 |
Depreciation |  | 432 |  | 354 |
Impairment |  | 0 | [1] | 0 | [2]
Others |  | (36) |  | (951) |
Ending balance |  | (675) |  | (1,027) |
Construction in progress |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 25,523,457 |  | 27,160,453 |
Ending balance |  | 28,766,427 |  | 25,523,457 |
Construction in progress | Carrying Amount Other than Government Grants [Member] |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 25,572,541 |  | 27,296,260 |
Acquisitions |  | 11,749,397 |  | 11,996,508 |
Disposals |  | (47,463) |  | (6,487) |
Depreciation |  | 0 |  | 0 |
Impairment |  | (167,603) | [1] | 0 | [2]
Others |  | (8,285,705) |  | (13,713,740) |
Ending balance |  | 28,821,167 |  | 25,572,541 |
Construction in progress | Acquisition cost |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 25,610,649 |  | 27,334,368 |
Ending balance |  | 29,026,880 |  | 25,610,649 |
Construction in progress | Accumulated impairment losses |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (38,108) |  | (38,108) |
Ending balance |  | (205,713) |  | (38,108) |
Construction in progress | Government grants |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (49,084) |  | (135,807) |
Acquisitions |  | (23,895) |  | (42,728) |
Disposals |  | 0 |  | 0 |
Depreciation |  | 0 |  | 0 |
Impairment |  | 0 | [1] | 0 | [2]
Others |  | 18,239 |  | 129,451 |
Ending balance |  | (54,740) |  | (49,084) |
Finance lease assets |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 297,652 |  | 406,353 |
Ending balance |  | 195,704 |  | 297,652 |
Finance lease assets | Carrying Amount Other than Government Grants [Member] |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 297,679 |  | 406,353 |
Acquisitions |  | 0 |  | 0 |
Disposals |  | 0 |  | (29,696) |
Depreciation |  | (101,888) |  | (107,390) |
Impairment |  | 0 | [1] | 0 | [2]
Others |  | (61) |  | 28,412 |
Ending balance |  | 195,730 |  | 297,679 |
Finance lease assets | Acquisition cost |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 2,390,680 |  | 2,390,779 |
Ending balance |  | 2,390,701 |  | 2,390,680 |
Finance lease assets | Accumulated depreciation |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (2,093,001) |  | (1,984,426) |
Ending balance |  | (2,194,971) |  | (2,093,001) |
Finance lease assets | Government grants |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (27) |  |  |
Acquisitions |  | 0 |  | 0 |
Disposals |  | 0 |  | 0 |
Depreciation |  | 1 |  | 1 |
Impairment |  | 0 | [1] | 0 | [2]
Others |  | 0 |  | (28) |
Ending balance |  | (26) |  | (27) |
Retirements, property, plant and equipment |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 6,039,484 |  | 4,065,412 |
Ending balance |  | 5,571,754 |  | 6,039,484 |
Retirements, property, plant and equipment | Carrying Amount Other than Government Grants [Member] |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 6,039,484 |  | 4,065,412 |
Acquisitions |  | 1,988 |  |  |
Disposals |  | 0 |  |  |
Depreciation |  | (610,435) |  | (518,565) |
Impairment | [1] | (146,424) |  |  |
Others |  | 287,141 |  | 2,492,637 |
Ending balance |  | 5,571,754 |  | 6,039,484 |
Retirements, property, plant and equipment | Acquisition cost |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 9,395,821 |  | 7,129,771 |
Ending balance |  | 9,424,181 |  | 9,395,821 |
Retirements, property, plant and equipment | Accumulated depreciation |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (3,356,337) |  | (3,064,359) |
Ending balance |  | (3,706,004) |  | (3,356,337) |
Other property, plant and equipment |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 2,439,620 |  | 2,351,532 |
Ending balance |  | 2,359,477 |  | 2,439,620 |
Other property, plant and equipment | Carrying Amount Other than Government Grants [Member] |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 2,439,620 |  | 2,351,532 |
Acquisitions |  | 8,691 |  | 10,411 |
Disposals |  | (715) |  | (28) |
Depreciation |  | (709,579) |  | (762,711) |
Impairment |  | 0 | [1] | 0 | [2]
Others |  | 621,460 |  | 840,416 |
Ending balance |  | 2,359,477 |  | 2,439,620 |
Other property, plant and equipment | Acquisition cost |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | 11,247,021 |  | 10,361,294 |
Ending balance |  | 11,875,394 |  | 11,247,021 |
Other property, plant and equipment | Accumulated depreciation |  |  |  |  |
Changes in property and equipment [Line Items] |  |  |  |  |
Beginning balance |  | (8,807,401) |  | (8,009,762) |
Ending balance |  | ₩ (9,515,917) |  | ₩ (8,807,401) |
[1] | Korea Hydro & Nuclear Power Co., Ltd. and Korea Western Power Co., Ltd., 100% owned subsidiaries, have determined that there are impairment indicators for the shutdowns of certain power generation units and fire, and performed an impairment test over the individual assets. As a result, the Company recognized the amount of the carrying amount in excess of its recoverable amount as impairment loss in the consolidated statements of comprehensive income. The amount includes impairment loss of KRW703,133 million in relation to Wolsong unit 1, and Shin-Hanul unit 3 and 4 as described in note 2, and the loss of KRW7,031 million due to fire at Taean unit 2.
[2] | Korea Midland Power Co., Ltd. and Korea Western Power Co., Ltd., 100% owned subsidiaries, have determined that there are impairment indicators for the shutdowns of certain power generation units and fire, and performed an impairment test over the individual assets. As a result, the Company recognized the amount of the carrying amount in excess of its recoverable amount as impairment loss in the consolidated statements of comprehensive income.
[3] | As described in note 29, the amount of acquisition of machinery includes KRW204,787 million of that the Company believes the possibility of economic outflow is probable on the request for additional construction costs of Hyundai E&C, GS Engineering & Construction Corp. and Hansol SeenTec Co., Ltd.

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_v&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 98 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_98_a&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -Clause ix -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_ix&doctype=Standard -URIDate 2018-03-16 + Details
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- References No definition available. + Details
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- References No definition available. + Details
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- References No definition available. + Details
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- References No definition available. + Details
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- Details
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