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v3.26.1

General and administrative expenses - Summary of general and administrative expense (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Employee benefits: |  |  |
Salaries | ₩ 3,522,053 | ₩ 3,316,503 | ₩ 3,247,162
Defined contribution | 40,817 | 37,745 | 35,679
Defined benefit | 143,751 | 114,943 | 109,444
PostemploymentBenefitExpenseDefinedBenefitPlans | 184,568 | 152,688 | 145,123
Termination benefits | 279,693 | 235,330 | 197,184
Subtotal | 3,986,314 | 3,704,521 | 3,589,469
Entertainment | 48,345 | 46,903 | 46,050
Depreciation | 541,607 | 535,571 | 514,100
Amortization | 308,321 | 279,095 | 225,900
Taxes and utility bills | 316,925 | 272,018 | 245,723
Advertising | 319,845 | 315,281 | 285,495
Research | 27,341 | 23,917 | 21,494
Others | 853,802 | 938,934 | 967,106
General and administrative expenses | ₩ 6,402,500 | ₩ 6,116,240 | ₩ 5,895,337

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