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Commitments and Contingencies - Summary of Major Commitments with Local Financial Institutions (Detail) - Dec. 31, 2021 € in Millions, ₩ in Millions, $ in Millions | KRW (₩) | USD ($) | EUR (€)
--- | --- | --- | ---
Disclosure of detailed information about borrowings [line items] |  |  |
Limit | ₩ 3,148,093 | $ 320,352 | € 7,700
Used amount | 347,576 | 69,829 | 7,700
Bank overdraft [member] | Kookmin Bank and others [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Limit | 1,452,000 |  |
Used amount | 4,500 |  |
Inter-Korean Cooperation Fund [member] | Export-Import Bank of Korea [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Limit | 37,700 |  |
Used amount | 2,467 |  |
Insurance for Economic Cooperation project [Member] | Export-Import Bank of Korea [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Limit | 3,240 |  |
Used amount | 1,732 |  |
Collateralised loans on electronic receivable-trade [member] | Shinhan Bank and others [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Limit | 430,104 |  |
Used amount | 26,585 |  |
Plus electronic notes payable [member] | Industrial Bank of Korea [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Limit | 50,000 |  |
Used amount | 698 |  |
Loans for working capital [member] | Korea Development Bank and others [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Limit | 231,049 |  |
Used amount | 141,137 |  |
Loans for working capital [member] | Shinhan Bank [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Limit | $ |  | 39,298 |
Used amount | $ |  | 39,298 |
Loans for working capital [member] | Woori Bank and others [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Limit | € |  |  | 7,700
Used amount | € |  |  | € 7,700
Facility loans [member] | Kookmin Bank and others [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Limit | $ |  | 212,000 |
Used amount | $ |  | 9,771 |
Facility loans [member] | Shinhan Bank and others [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Limit | 844,000 |  |
Used amount | 162,414 |  |
Derivatives transaction limit [member] | Korea Development Bank [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Limit | 100,000 |  |
Used amount | ₩ 8,043 |  |
Derivatives transaction limit [member] | Woori Bank and others [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Limit | $ |  | 69,054 |
Used amount | $ |  | $ 20,760 |

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