XML 162 R149.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Net Defined Benefit Liabilities (Assets) - Summary of Expected Maturity Analysis of Undiscounted Pension Benefits (Detail)
₩ in Millions
Dec. 31, 2023
KRW (₩)
Disclosure of net defined benefit liability (asset) [Line Items]  
Pension benefits ₩ 3,556,910
Less than 1 year [member]  
Disclosure of net defined benefit liability (asset) [Line Items]  
Pension benefits 257,315
Between 1-2 years [member]  
Disclosure of net defined benefit liability (asset) [Line Items]  
Pension benefits 376,352
Between 2-5 years [member]  
Disclosure of net defined benefit liability (asset) [Line Items]  
Pension benefits 910,076
More than 5 years [member]  
Disclosure of net defined benefit liability (asset) [Line Items]  
Pension benefits ₩ 2,013,167