XML 226 R214.htm IDEA: XBRL DOCUMENT v3.23.1
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, 2022
Dec. 31, 2021
Dec. 31, 2020
Derivatives held for trading      
Outflows ₩ 102,924 ₩ 158,284  
Derivatives settled gross      
Outflow 2,994,649 3,078,733 ₩ 2,925,965
Inflow 3,258,353 3,167,878 2,804,618
Less than 1 year [member]      
Derivatives held for trading      
Outflows 0 0  
Derivatives settled gross      
Outflow 472,005 843,489 248,300
Inflow 550,478 856,508 249,301
1-5 years [member]      
Derivatives held for trading      
Outflows 101,994 158,284  
Derivatives settled gross      
Outflow 2,493,858 1,857,942 2,179,046
Inflow 2,670,002 1,917,236 2,074,747
More than 5 years [member]      
Derivatives held for trading      
Outflows 930 0  
Derivatives settled gross      
Outflow 28,786 377,302 498,619
Inflow ₩ 37,873 ₩ 394,134 ₩ 480,570