v3.26.1
Intangible Assets - Details Of Intangible Assets (Details)
$ in Thousands, ₩ in Millions
Dec. 31, 2025
KRW (₩)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
KRW (₩)
Dec. 31, 2023
KRW (₩)
Dec. 31, 2022
KRW (₩)
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value ₩ 1,056,647 $ 731,471 ₩ 1,091,402 ₩ 996,842 ₩ 849,114
Acquisition cost          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 3,514,252   3,023,585    
Accumulated amortization          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value (2,334,617)   (1,895,592)    
Accumulated impairment losses          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value (122,988)   (36,591)    
Goodwill          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 386,994   482,707 445,093 397,527
Goodwill | Acquisition cost          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 471,905   482,707    
Goodwill | Accumulated amortization          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 0   0    
Goodwill | Accumulated impairment losses          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value (84,911)   0    
Industrial property rights          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 563   448 509 643
Industrial property rights | Acquisition cost          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 2,805   2,419    
Industrial property rights | Accumulated amortization          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value (2,242)   (1,971)    
Industrial property rights | Accumulated impairment losses          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 0   0    
Development costs          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 329,809   275,691 242,091 212,627
Development costs | Acquisition cost          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 1,324,649   965,131    
Development costs | Accumulated amortization          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value (994,840)   (689,440)    
Development costs | Accumulated impairment losses          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 0   0    
Other intangible assets          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 267,043   273,553 253,156 192,373
Other intangible assets | Acquisition cost          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 1,638,130   1,511,286    
Other intangible assets | Accumulated amortization          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value (1,337,535)   (1,204,181)    
Other intangible assets | Accumulated impairment losses          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value (33,552)   (33,552)    
Membership deposit          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 60,550   52,405 47,851 42,917
Membership deposit | Acquisition cost          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 65,075   55,444    
Membership deposit | Accumulated amortization          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 0   0    
Membership deposit | Accumulated impairment losses          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value (4,525)   (3,039)    
Construction in progress          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 11,688   6,598 ₩ 8,142 ₩ 3,027
Construction in progress | Acquisition cost          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 11,688   6,598    
Construction in progress | Accumulated amortization          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value 0   0    
Construction in progress | Accumulated impairment losses          
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]          
Net carrying value ₩ 0   ₩ 0