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Net Defined Benefit Liabilities (Assets) - Additional Information (Detail)
₩ in Millions
12 Months Ended
Dec. 31, 2023
KRW (₩)
Disclosure of net defined benefit liability (asset) [Line Items]  
Expected contributions to post-employment benefit plans ₩ 273,503
Weighted average duration of the defined benefit obligations 6 years 2 months 12 days