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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2021
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Summary Of Major Commitments With Local Financial Institutions | As at December 31, 2021, major commitments with local financial institutions are as follows:
(In millions of Korean won and thousands of foreign currencies) |  | Financial institution |  | Currency |  | Limit |  |  | Used amount |
Bank overdraft |  | Kookmin Bank and others |  | KRW |  |  | 1,452,000 |  |  |  | 4,500 |
Inter-Korean Cooperation Fund |  | Export-Import Bank of Korea |  | KRW |  |  | 37,700 |  |  |  | 2,467 |
Insurance for Economic Cooperation project |  | Export-Import Bank of Korea |  | KRW |  |  | 3,240 |  |  |  | 1,732 |
Collateralized loan on electronic accounts receivable-trade |  | Kookmin Bank and others |  | KRW |  |  | 430,104 |  |  |  | 26,585 |
Plus electronic notes payable |  | Industrial Bank of Korea |  | KRW |  |  | 50,000 |  |  |  | 698 |
Loans for working capital |  | Korea Development Bank and others |  | KRW |  |  | 231,049 |  |  |  | 141,137 |
| Shinhan Bank |  | USD |  |  | 39,298 |  |  |  | 39,298 |
| Woori Bank |  | EUR |  |  | 7,700 |  |  |  | 7,700 |
Facility loans |  | Shinhan Bank and others |  | KRW |  |  | 844,000 |  |  |  | 162,414 |
| Kookmin Bank and others |  | USD |  |  | 212,000 |  |  |  | 9,771 |
Derivatives transaction limit |  | Korea Development Bank |  | KRW |  |  | 100,000 |  |  |  | 8,043 |
| Woori Bank and others |  | USD |  |  | 69,054 |  |  |  | 20,760 |
Total |  |  |  | KRW |  |  | 3,148,093 |  |  |  | 347,576 |
|  |  |  | USD |  |  | 320,352 |  |  |  | 69,829 |
|  |  |  | EUR |  |  | 7,700 |  |  |  | 7,700 |
Summary of Guarantees Received from Financial Institutions | As at December 31, 2021, guarantees received from financial institutions are as follows:
(In millions of Korean won and thousands of foreign currencies) |  | Financial institution |  | Currency |  |  | Limit |
Performance guarantee |  | Seoul Guarantee Insurance and others |  |  | KRW |  |  |  | 171,043 |
|  | Hana Bank |  |  | USD |  |  |  | 1,200 |
Guarantee for payment in foreign currency |  | Kookmin Bank and others |  |  | USD |  |  |  | 70,092 |
Guarantee for payment in Korean currency |  | Shinhan Bank and others |  |  | KRW |  |  |  | 20,911 |
Refund guarantee for advances received |  | Korea Development Bank |  |  | USD |  |  |  | 8,536 |
Comprehensive credit line |  | Hana Bank and others |  |  | KRW |  |  |  | 24,800 |
|  |  |  |  | USD |  |  |  | 8,700 |
Guarantees for depositions |  | HSBC |  |  | USD |  |  |  | 580 |
Bid guarantee |  | Hana Bank |  |  | USD |  |  |  | 400 |
Bid guarantee |  | Korea Software Financial Cooperative and others |  |  | KRW |  |  |  | 108,407 |
Performance guarantee / warranty guarantee |  |  |  |  | KRW |  |  |  | 558,359 |
Guarantee for advance payments/others |  |  |  |  | KRW |  |  |  | 574,103 |
Construction fund guarantee insurance and others |  | Seoul Guarantee Insurance |  |  | KRW |  |  |  | 33,963 |
Total |  |  |  |  | KRW |  |  |  | 1,491,586 |
|  |  |  |  | USD |  |  |  | 89,508 |
Summary Of Guarantees Provided By The Group For Third Party | As at December 31, 2021, guarantees provided by the Group to a third party, are as follows:
(In millions of Korean won) |  | Subject to payment guarantees |  | Creditor |  | Limit |  |  | Used amount |  |  | Period |
KT Engineering Co., Ltd. (KT ENGCORE Co., Ltd.) |  | Gasan Solar Power Plant Inc. |  | Shinhan Bank |  | ￦ | 4,700 |  |  | ￦ | 1,035 |  |  |  | Jan. 7, 2021 ~ Jan. 8, 2025 |
KT Engineering Co., Ltd. (KT ENGCORE Co., Ltd.) |  | SPP Inc. |  | Suhyup Bank |  |  | 3,250 |  |  |  | 624 |  |  |  | Feb. 17, 2014 ~ Feb. 16, 2024 |
KT Engineering Co., Ltd. (KT ENGCORE Co., Ltd.) |  | Korea Cell Inc. |  | Suhyup Bank |  |  | 3,250 |  |  |  | 614 |  |  |  | Feb. 17, 2014 ~ Feb. 16, 2024 |
KT Engineering Co., Ltd. (KT ENGCORE Co., Ltd.) |  | San-Ya Agricultural Association Corporation |  | Suhyup Bank |  |  | 3,250 |  |  |  | 624 |  |  |  | Feb. 17, 2014 ~ Feb. 16, 2024 |
KT Alpha Co., Ltd. (KT Hitel Co., Ltd.) |  | Cash payers |  | Cash payers |  |  | 860 |  |  |  | — |  |  |  | Jul. 21, 2021 ~ Apr. 15, 2022 |
KT Alpha Co., Ltd. (KT Hitel Co., Ltd.) |  | Mobile Voucher amount |  | NongHyup Agribusiness Group Inc and others |  |  | 30,000 |  |  |  | 10,400 |  |  |  | Jan. 16, 2021 ~ Jan. 14, 2022 |
KT Alpha Co., Ltd. (KT Hitel Co., Ltd.) |  | Mobile Voucher amount |  | Emart Co., Ltd and others |  |  | 20,000 |  |  |  | 300 |  |  |  | Jun. 19, 2021 ~ Jun. 17, 2022 |
Nasmedia Co., Ltd. |  | Stockholders Association Members |  | Korea Securities Finance Corp |  |  | 5,654 |  |  |  | 1,236 |  |  |  | — |
Summary of the issuance of real estate collateral trust and beneficiary certificates of the Group | As at December 31, 2021, the details of the issuance of real estate collateral trust and beneficiary certificates of the Group are as follows:
( I n millions of Korean won) |  |  |  |  | Commitment (limit) amount |  |  | Amount provided as collateral for beneficiary rights |
Collateral assets |  | Placing |  |  | Trust collateral beneficiary
Real Estate Collateral Trust 1 |  |  | 1st place |  |  | NH Jayang Inc. |  | ￦ | 100,000 |  |  | ￦ | 120,000 |
|  |  |  |  |  | Kyobo Life Insurance |  |  | 180,000 |  |  |  | 216,000 |
|  |  |  |  |  | Standard Chartered Bank Korea Limited |  |  | 120,000 |  |  |  | 144,000 |
|  |  |  |  |  | Samsung Life Insurance |  |  | 100,000 |  |  |  | 120,000 |
|  |  | 2nd place |  |  | Industrial Bank of Korea |  |  | 40,000 |  |  |  | 48,000 |
|  |  |  |  |  | Korea Investment Capital |  |  | 40,000 |  |  |  | 48,000 |
|  |  |  |  |  | BNK Capital |  |  | 30,000 |  |  |  | 36,000 |
|  |  |  |  |  | Standard Chartered Bank Korea Limited |  |  | 20,000 |  |  |  | 24,000 |
|  |  |  |  |  | NH Capital |  |  | 20,000 |  |  |  | 24,000 |
|  |  | 3rd place | 2 |  | LOTTE Engineering & Construction |  |  | — |  |  |  | 736,921 |
| 1 | The Group provides a certificate of beneficiary rights for land classified as investment properties and inventory assets as collateral in connection with the above real estate collateral trust.
| 2 | The Group provides LOTTE Engineering & Construction with a certificate of third-priority beneficiary rights as collateral in relation to the construction contract amount of ￦ 614,101 million.

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