Finance Income and Costs - Details of Impairment Losses for Financial Assets (Detail) - KRW (₩) ₩ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of detailed information about financial instruments [Line items] | |||
| Impairment losses for financial assets | ₩ 47,465 | ₩ 54,703 | ₩ 43,162 |
| Accounts receivable - trade [member] | |||
| Disclosure of detailed information about financial instruments [Line items] | |||
| Impairment losses for financial assets | 44,183 | 49,865 | 37,906 |
| Other receivables [member] | |||
| Disclosure of detailed information about financial instruments [Line items] | |||
| Impairment losses for financial assets | ₩ 3,282 | ₩ 4,838 | ₩ 5,256 |