v3.26.1
Intangible Assets - Details of the Changes in Intangible Assets (Parenthetical) (Detail) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of detailed information about intangible assets [line items]    
Impairment loss ₩ 1,934 [1] ₩ 82,743 [2]
Disposal groups classified as held for sale [member]    
Disclosure of detailed information about intangible assets [line items]    
Decrease through classified as held for sale, intangible assets other than goodwill ₩ 17,795 ₩ 5,655
[1] The Group recognized the difference between recoverable amount and the carrying amount of intangible assets amounting to ₩1,934 million as impairment loss for the year ended December 31, 2025.
[2] The Group recognized the difference between recoverable amount and the carrying amount of intangible assets amounting to ₩82,743 million as impairment loss for the year ended December 31, 2024.