XML 224 R211.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Financial Risk Management - Summary of Cash Outflow and Inflow of Derivatives Settled Gross or Net are Undiscounted Contractual Cash Flow (Detail) - KRW (₩)
₩ in Millions
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Derivatives held for trading      
Outflows ₩ 133,293 ₩ 102,924 ₩ 158,284
Inflow 1,015    
Derivatives settled gross      
Outflow 1,976,432 2,994,649 3,078,733
Inflow 2,849,368 3,258,353 3,167,878
Less than 1 year [member]      
Derivatives held for trading      
Outflows 0 0 0
Inflow 0    
Derivatives settled gross      
Outflow 741,140 472,005 843,489
Inflow 614,066 550,478 856,508
1-5 years [member]      
Derivatives held for trading      
Outflows 133,293 101,994 158,284
Inflow 0    
Derivatives settled gross      
Outflow 1,227,166 2,493,858 1,857,942
Inflow 2,198,958 2,670,002 1,917,236
More than 5 years [member]      
Derivatives held for trading      
Outflows 0 930 0
Inflow 1,015    
Derivatives settled gross      
Outflow 8,126 28,786 377,302
Inflow ₩ 36,344 ₩ 37,873 ₩ 394,134