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v3.19.1

Selling and Administrative Expenses (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Expenses by nature [Line Items] |  |  |
Raw materials used | ₩ 19,537,928 | ₩ 15,924,707 | ₩ 13,470,586
Salaries | 4,236,623 | 4,214,974 | 4,160,642
Employee benefits expense | 440,612 | 468,946 | 447,638
Welfare and benefit expense | 596,572 | 723,144 | 669,934
Insurance expense | 106,057 | 106,091 | 91,500
Depreciation | 9,898,386 | 9,652,219 | 8,873,956
Amortization of intangible assets | 118,938 | 113,672 | 79,715
Bad debt expense | 39,784 | 126,714 | 38,719
Commission | 1,189,284 | 1,143,435 | 1,029,058
Advertising expense | 40,313 | 125,436 | 44,351
Training expense | 20,373 | 21,389 | 19,661
Vehicle maintenance expense | 17,957 | 17,466 | 17,406
Publishing expense | 6,837 | 7,920 | 8,258
Business promotion expense | 6,645 | 8,673 | 8,313
Rent expense | 213,983 | 186,889 | 173,690
Telecommunication expense | 106,073 | 98,872 | 101,373
Transportation expense | 5,223 | 9,640 | 5,749
Taxes and dues | 486,741 | 486,038 | 511,493
Expendable supplies expense | 38,010 | 39,725 | 41,502
Water, light and heating expense | 47,269 | 40,695 | 35,540
Repairs and maintenance expense | 2,219,248 | 2,111,420 | 1,971,778
Ordinary development expense | 723,888 | 721,437 | 705,504
Travel expense | 81,427 | 85,673 | 79,726
Clothing expense | 14,476 | 13,395 | 13,636
Survey and analysis expense | 4,634 | 4,359 | 3,875
Membership fee | 12,606 | 9,604 | 9,846
Power purchase | 18,307,289 | 14,264,331 | 10,755,739
Disclosure - Other selling and administrative expenses |  |  |
Accommodation development expenses | 52,822 | 55,799 | 186,896
Miscellaneous wages | 32,447 | 32,300 | 31,907
Litigation and filing expenses | 12,853 | 11,881 | 12,328
Compensation for damages | 19,193 | 12,297 | 60,341
Outsourcing expenses | 3,036 | 2,647 | 3,530
Reward expenses | 2,713 | 2,786 | 3,267
Overseas market development expenses | 1,361 | 1,876 | 2,177
Others | 23,772 | 35,123 | 31,086
Others | 2,318,435 | 4,134,846 | 4,819,597
General and administrative expenses | 2,627,890 | 2,762,855 | 2,639,232
Cost of sales | 58,207,721 | 52,098,855 | 45,549,553
Total expenses, by nature | 60,835,611 | 54,861,710 | 48,188,785
Selling and administrative expense |  |  |
Expenses by nature [Line Items] |  |  |
Raw materials used | 0 | 0 |
Salaries | 757,819 | 735,383 | 734,930
Employee benefits expense | 65,107 | 71,094 | 72,812
Welfare and benefit expense | 132,089 | 179,406 | 162,243
Insurance expense | 12,181 | 15,414 | 11,513
Depreciation | 214,499 | 190,245 | 169,431
Amortization of intangible assets | 54,153 | 44,990 | 35,171
Bad debt expense | 39,784 | 126,714 | 38,719
Commission | 714,096 | 673,740 | 605,879
Advertising expense | 30,894 | 114,519 | 34,658
Training expense | 6,277 | 7,027 | 6,314
Vehicle maintenance expense | 10,148 | 9,998 | 10,390
Publishing expense | 3,307 | 3,672 | 3,643
Business promotion expense | 2,785 | 3,700 | 3,477
Rent expense | 42,851 | 38,380 | 40,020
Telecommunication expense | 23,505 | 24,916 | 25,448
Transportation expense | 686 | 495 | 596
Taxes and dues | 46,424 | 48,395 | 46,531
Expendable supplies expense | 6,166 | 7,731 | 6,834
Water, light and heating expense | 12,629 | 10,545 | 9,720
Repairs and maintenance expense | 62,580 | 63,477 | 75,122
Ordinary development expense | 215,494 | 211,417 | 188,063
Travel expense | 14,363 | 16,658 | 16,115
Clothing expense | 10,108 | 8,410 | 8,273
Survey and analysis expense | 705 | 698 | 666
Membership fee | 1,043 | 1,122 | 1,132
Power purchase | 0 | 0 | 0
Disclosure - Other selling and administrative expenses |  |  |
Accommodation development expenses | 52,822 | 55,799 | 186,896
Miscellaneous wages | 32,447 | 32,300 | 31,907
Litigation and filing expenses | 12,853 | 11,881 | 12,328
Compensation for damages | 19,193 | 12,297 | 60,341
Outsourcing expenses | 3,036 | 2,647 | 3,530
Reward expenses | 2,713 | 2,786 | 3,267
Overseas market development expenses | 1,361 | 1,876 | 2,177
Others | 23,772 | 35,123 | 31,086
Others | 148,197 | 154,709 | 331,532
General and administrative expenses | 2,627,890 | 2,762,855 | 2,639,232
Total expenses, by nature | ₩ 2,627,890 | ₩ 2,762,855 | ₩ 2,639,232

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- Definition The amount of amortisation expense. Amortisation is the systematic allocation of depreciable amounts of intangible assets over their useful lives. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
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