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v3.23.1

Selling and Administrative Expenses - Summary of Selling and Administrative Expenses (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of attribution of expenses by nature to their function [line items] |  |  |
Salaries | ₩ 5,471,459 | ₩ 5,397,682 | ₩ 5,278,637
Welfare and benefit expense | 695,839 | 725,998 | 639,390
Insurance expense | 127,507 | 122,453 | 103,308
Depreciation | 12,301,131 | 11,771,324 | 11,369,496
Amortization of intangible assets | 156,160 | 166,161 | 170,466
Bad debt expense | 23,634 | 17,968 | 20,648
Commission | 771,947 | 717,559 | 744,322
Advertising expense | 44,291 | 38,782 | 37,720
Training expense | 22,140 | 18,206 | 18,108
Vehicle maintenance expense | 21,024 | 17,001 | 16,596
Publishing expense | 6,746 | 6,878 | 7,201
Business promotion expense | 6,538 | 7,299 | 7,334
Rent expense | 234,119 | 237,884 | 227,410
Telecommunication expense | 17,622 | 19,528 | 18,647
Transportation expense | 114,857 | 54,235 | 11,369
Taxes and dues | 676,497 | 622,826 | 555,031
Expendable supplies expense | 56,776 | 50,466 | 44,995
Water, light and heating expense | 77,952 | 55,376 | 42,958
Repairs and maintenance expense | 2,739,424 | 2,617,995 | 2,544,901
Ordinary development expense | 727,810 | 689,397 | 700,642
Travel expense | 95,061 | 78,202 | 71,689
Clothing expense | 21,822 | 18,534 | 22,950
Survey and analysis expense | 5,448 | 4,881 | 4,572
Membership fee | 18,381 | 9,823 | 14,404
Disclosure - Other selling and administrative expenses |  |  |
General and administrative expenses | 3,009,422 | 2,875,796 | 2,678,443
Selling and administrative expense |  |  |
Disclosure of attribution of expenses by nature to their function [line items] |  |  |
Salaries | 1,142,360 | 1,121,188 | 1,095,183
Retirement benefit expense | 109,758 | 113,127 | 103,967
Welfare and benefit expense | 155,781 | 155,558 | 155,071
Insurance expense | 20,835 | 17,909 | 10,178
Depreciation | 244,676 | 219,427 | 218,103
Amortization of intangible assets | 85,661 | 91,428 | 87,086
Bad debt expense | 23,634 | 17,968 | 20,648
Commission | 420,390 | 410,287 | 368,275
Advertising expense | 33,739 | 29,230 | 29,559
Training expense | 7,327 | 4,923 | 5,196
Vehicle maintenance expense | 10,749 | 8,849 | 9,435
Publishing expense | 3,732 | 3,568 | 3,677
Business promotion expense | 3,198 | 3,522 | 3,614
Rent expense | 47,680 | 43,650 | 36,337
Telecommunication expense | 7,945 | 8,569 | 8,686
Transportation expense | 1,012 | 870 | 1,007
Taxes and dues | 122,177 | 93,446 | 62,828
Expendable supplies expense | 9,617 | 9,052 | 8,029
Water, light and heating expense | 17,950 | 12,351 | 11,749
Repairs and maintenance expense | 152,449 | 123,134 | 79,185
Ordinary development expense | 213,932 | 213,936 | 197,436
Travel expense | 16,062 | 11,099 | 10,793
Clothing expense | 13,044 | 10,540 | 14,834
Survey and analysis expense | 1,126 | 889 | 826
Membership fee | 1,469 | 1,331 | 1,274
Disclosure - Other selling and administrative expenses |  |  |
Accommodation development expenses | 56,038 | 57,815 | 30,889
Miscellaneous wages | 31,910 | 47,221 | 45,887
Litigation and filing expenses | 14,876 | 16,383 | 19,341
Compensation for damages | 3,116 | 3,303 | 8,374
Outsourcing expenses | 3,635 | 3,799 | 3,610
Reward expenses | 2,740 | 3,006 | 3,228
Overseas market development expenses | 1,376 | 1,192 | 1,218
Others | 29,428 | 17,226 | 22,920
Others | 143,119 | 149,945 | 135,467
General and administrative expenses | ₩ 3,009,422 | ₩ 2,875,796 | ₩ 2,678,443

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