Annual report [Section 13 and 15(d), not S-K Item 405]

INVESTMENTS (Details 1)

v3.25.1
INVESTMENTS (Details 1) - Valuation Technique Binomial Monte-Carlo Cliquet Option Pricing Model [Member]
₩ / shares in Units, ₩ in Billions
 12 Months Ended
Dec. 31, 2024
KRW (₩)
₩ / shares
Dec. 31, 2023
KRW (₩)
₩ / shares
Dec. 31, 2024
$ / shares
Dec. 31, 2023
$ / shares
Schedule Of Investments [Line Items]        
Principal outstanding (South Korean won) | ₩ ₩ 20.1 ₩ 23.6    
Stock price | ₩ / shares ₩ 5,870 ₩ 873    
Expected Life (in years) [Member]        
Schedule Of Investments [Line Items]        
Expected life (in years) 5 years 9 months 14 days 6 years 9 months 14 days    
Selected Yield [Member]        
Schedule Of Investments [Line Items]        
Investment in convertible bonds, measurement input 9.50 12.25    
Expected Volatility (Telcon common stock) [Member]        
Schedule Of Investments [Line Items]        
Investment in convertible bonds, measurement input 62.90 71.90    
Risk-free Interest Rate (South Korea government bond) [Member]        
Schedule Of Investments [Line Items]        
Investment in convertible bonds, measurement input 2.78 3.16    
Expected Dividend Yield [Member]        
Schedule Of Investments [Line Items]        
Investment in convertible bonds, measurement input 0 0    
Conversion Price [Member]        
Schedule Of Investments [Line Items]        
Conversion price | (per share) ₩ 850 ₩ 705 $ 3.96 $ 0.54