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Risk Management - Summary of Sensitivity Analysis for Interest Rates (Details) - KRW (₩)
₩ in Millions

12 Months Ended

Dec. 31, 2022

Dec. 31, 2021

Increase (decrease) of profit before income tax

Disclosure Of Sensitivity Analysis For Interest Rates [Line Items]

1% Increase

₩ (88,121)

₩ (30,548)

1% Decrease

88,121

30,548

Increase (decrease) of shareholder's equity

Disclosure Of Sensitivity Analysis For Interest Rates [Line Items]

1% Increase

^[1]

(88,121)

(30,548)

1% Decrease

^[1]

₩ 88,121

₩ 30,548

[1]	The effect on the shareholders’ equity excluding the impact of income taxes.