v3.26.1
Financial Instruments - Fair values and risk management (Details 5) - KRW (₩)
₩ in Thousands
Dec. 31, 2025
Jan. 02, 2025
Dec. 31, 2024
Non-derivative financial liabilities      
Other payable ₩ 44,297,635   ₩ 1,247,271
Accrued expense 7,997,413   2,719,073
Lease liabilities   ₩ 418,408  
Carrying amount [member]      
Non-derivative financial liabilities      
Trade payables 7,494,343   10,073,408
Other payable 42,784,819   1,239,546
Accrued expense 7,124,447   1,967,458
Secured borrowings 6,952,687   2,918,720
Non-secured borrowings 9,030,775   2,954,236
Convertible Notes 28,634,020    
Lease liabilities 7,971,269   11,089,239
Other non-current financial liabilities 470,000   280,000
Total 110,462,360   30,522,607
Financial Liability [Member]      
Non-derivative financial liabilities      
Trade payables 7,494,343   10,073,408
Other payable 42,784,819   1,239,546
Accrued expense 7,124,447   1,967,458
Secured borrowings 7,088,766   3,001,769
Non-secured borrowings 9,820,597   3,204,559
Convertible Notes 29,035,913    
Lease liabilities 8,933,168   13,243,720
Other non-current financial liabilities 470,000   280,000
Total 112,752,053   33,010,460
Financial Liability [Member] | Less Than 3 Months [Member]      
Non-derivative financial liabilities      
Trade payables 4,661,133   10,073,408
Other payable 42,338,213   1,239,544
Accrued expense 5,821,809   1,967,458
Secured borrowings 1,536,903   1,040,954
Non-secured borrowings 2,807   34,658
Convertible Notes 29,035,913    
Lease liabilities 573,735   635,413
Other non-current financial liabilities   50,000
Total 83,970,513   15,041,435
Financial Liability [Member] | 3 months ~ 1 year [Member]      
Non-derivative financial liabilities      
Trade payables 2,833,210  
Other payable 446,606  
Accrued expense 1,302,638  
Secured borrowings 5,551,863   1,960,815
Non-secured borrowings 6,317,790   3,169,901
Convertible Notes    
Lease liabilities 1,619,185   1,824,646
Other non-current financial liabilities 250,000   80,000
Total 18,321,292   7,035,362
Financial Liability [Member] | 1~2 years [Member]      
Non-derivative financial liabilities      
Trade payables  
Other payable   2
Accrued expense  
Secured borrowings  
Non-secured borrowings 220,000  
Convertible Notes    
Lease liabilities 1,786,344   2,361,688
Other non-current financial liabilities 220,000   130,000
Total 2,226,344   2,491,690
Financial Liability [Member] | 2~5 years [Member]      
Non-derivative financial liabilities      
Trade payables  
Other payable  
Accrued expense  
Secured borrowings  
Non-secured borrowings 3,280,000  
Convertible Notes    
Lease liabilities 4,002,611   5,546,102
Other non-current financial liabilities   20,000
Total 7,282,611   5,566,102
Financial Liability [Member] | More Than 5 Years [Member]      
Non-derivative financial liabilities      
Trade payables  
Other payable  
Accrued expense  
Secured borrowings  
Non-secured borrowings  
Convertible Notes    
Lease liabilities 951,293   2,875,871
Other non-current financial liabilities  
Total ₩ 951,293   ₩ 2,875,871