v3.25.1
Financial Risk Management - Schedule of Financial Assets and Liabilities Exposed in Foreign Currency Risk (Details)
₩ in Millions
Dec. 31, 2024
KRW (₩)
Dec. 31, 2024
USD ($)
Dec. 31, 2024
JPY (¥)
Dec. 31, 2024
EUR (€)
Dec. 31, 2024
IDR (Rp)
Dec. 31, 2024
THB (฿)
Dec. 31, 2024
VND (₫)
Dec. 31, 2024
HKD ($)
Dec. 31, 2023
KRW (₩)
Dec. 31, 2023
USD ($)
Dec. 31, 2023
JPY (¥)
Dec. 31, 2023
EUR (€)
Dec. 31, 2023
IDR (Rp)
Dec. 31, 2023
THB (฿)
Dec. 31, 2023
VND (₫)
Dec. 31, 2023
HKD ($)
Disclosure of detailed information about financial instruments [line items]                                
Financial assets ₩ 642,739               ₩ 538,780              
Currency risk                                
Disclosure of detailed information about financial instruments [line items]                                
Financial assets 107,747               114,833              
Financial liabilities 43,632               37,854              
USD | Currency risk                                
Disclosure of detailed information about financial instruments [line items]                                
Financial assets 103,021 $ 70,136,599,000,000             111,616 $ 86,681,440,000,000            
Financial liabilities 43,009 $ 29,286,354,000,000             36,344 $ 28,203,218,000,000            
JPY | Currency risk                                
Disclosure of detailed information about financial instruments [line items]                                
Financial assets 4,654   ¥ 496,929,791,000,000           3,139   ¥ 343,984,702,000,000          
Financial liabilities 525   ¥ 56,100,772,000,000           1,467   ¥ 160,779,008,000,000          
EUR | Currency risk                                
Disclosure of detailed information about financial instruments [line items]                                
Financial assets 43     € 27,925,000,000         52     € 36,780,000,000        
Financial liabilities 50     € 32,910,000,000         43     € 30,472,000,000        
IDR | Currency risk                                
Disclosure of detailed information about financial instruments [line items]                                
Financial assets 1       Rp 9,851,056,000,000       1       Rp 12,955,000,000,000      
Financial liabilities 48       Rp 522,083,448,000,000       0       Rp 3,103,944,000,000      
THB | Currency risk                                
Disclosure of detailed information about financial instruments [line items]                                
Financial assets 1         ฿ 21,131,000,000     1         ฿ 28,510,000,000    
Financial liabilities 0         ฿ 0     0         ฿ 7,379,000,000    
VND | Currency risk                                
Disclosure of detailed information about financial instruments [line items]                                
Financial assets 0           ₫ 6,026,400,000,000   0           ₫ 9,270,000,000,000  
Financial liabilities 0           ₫ 0   0           ₫ 3,243,600,000,000  
HKD | Currency risk                                
Disclosure of detailed information about financial instruments [line items]                                
Financial assets 27             $ 141,271 24             $ 144,997
Financial liabilities ₩ 0             $ 0 ₩ 0             $ 0