Operating Segments - Reconciliation of Total Segment Operating Income to Consolidated Operating Profit from Continuing Operations (Parenthetical) (Detail) - KRW (₩) ₩ in Billions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of operating segments [line items] | ||
| Penalties expenses | ₩ 134.8 | ₩ 55.4 |