v3.26.1
Share-based payment Arrangement - Additional Information (Detail) - KRW (₩)
₩ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2025
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Borrowings   ₩ 305
Equity-settled share-based payment arrangements ₩ 6,286  
Share Based Payment Arrangement With Cash Alternatives [Member] | Parent [member] | Accrued Liabilities [Member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Liabilities from share-based payment transactions ₩ 7,283 ₩ 1,134