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Financial Risk Management - Summary of Impact of Fluctuation in Foreign Currency Exchange Rates on Group's Monetary Assets and Liabilities (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Disclosure of detailed information about financial instruments [line items] |  |
Increase in company's monetary assets and liabilities with the effect of foreign currency exchange rate | ₩ 2,386 | ₩ 2,109
Decrease in company's monetary assets and liabilities with the effect of foreign currency exchange rate | (2,386) | (2,109)
USD |  |
Disclosure of detailed information about financial instruments [line items] |  |
Increase in company's monetary assets and liabilities with the effect of foreign currency exchange rate | 1,682 | 1,468
Decrease in company's monetary assets and liabilities with the effect of foreign currency exchange rate | (1,682) | (1,468)
JPY |  |
Disclosure of detailed information about financial instruments [line items] |  |
Increase in company's monetary assets and liabilities with the effect of foreign currency exchange rate | 621 | 201
Decrease in company's monetary assets and liabilities with the effect of foreign currency exchange rate | (621) | (201)
Others |  |
Disclosure of detailed information about financial instruments [line items] |  |
Increase in company's monetary assets and liabilities with the effect of foreign currency exchange rate | 83 | 440
Decrease in company's monetary assets and liabilities with the effect of foreign currency exchange rate | ₩ (83) | ₩ (440)

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- Definition Decrease in monetary assets and liabilities due to decrease in foreign currency exchange rate. + References No definition available. + Details
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X
- Definition Increase in monetary assets and liabilities due to increase in foreign currency exchange rate. + References No definition available. + Details
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- Details
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- Details
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Period Type: |

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- Details
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