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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2024
Text block Explanatory [Abstract] |
Summary Of Major Commitments With Local Financial Institutions |
| (1) | As of December 31, 2024, major commitments with local financial institutions are as follows:
(In millions of Korean won and foreign currencies in thousands) |  | Financial institution |  | Limit |  |  | Used amount |
Bank overdraft |  | Kookmin Bank and others |  | ￦ | 374,000 |  |  |  | — |
Inter-Korean Cooperation Fund |  | Export-Import Bank of Korea |  |  | 37,700 |  |  |  | 987 |
Economic Cooperation Business Insurance |  | Export-Import Bank of Korea |  |  | 3,240 |  |  |  | 1,732 |
Collateralized loan on electronic accounts receivable-trade |  | Kookmin Bank and others |  |  | 541,650 |  |  |  | 37,277 |
Plus electronic notes payable |  | Industrial Bank of Korea |  |  | 50,000 |  |  |  | 3,058 |
Working capital loan |  | Korea Development Bank and others |  |  | 1,584,440 |  |  |  | 303,140 |
|  | Shinhan Bank |  |  | USD 65,037 |  |  |  | USD 65,037 |
|  | Woori Bank |  |  | EUR 6,900 |  |  |  | EUR 6,900 |
Facility loans |  | Shinhan Bank and others |  |  | 824,000 |  |  |  | 195,924 |
Derivatives transaction limit |  | Korea Development Bank and others |  |  | USD 2,120,000 |  |  |  | USD 2,120,000 |
Total |  | KRW |  |  | 3,415,030 |  |  |  | 542,118 |
|  | USD |  |  | USD 2,185,037 |  |  |  | USD 2,185,037 |
|  | EUR |  |  | EUR 6,900 |  |  |  | EUR 6,900 |
Summary of Guarantees Received from Financial Institutions |
| (2) | As of December 31, 2024, guarantees received from financial institutions are as follows:
(In millions of Korean won and foreign currencies in thousands) |  | Financial institution |  | Limit
Hana Bank |  | Guarantee for payment in Korean currency |  | 4,000
|  | Comprehensive credit line and others |  | 2,900
|  | Guarantee for payment in foreign currency |  | USD 59
|  | Comprehensive credit line and others |  | USD 10,300
|  | Performance guarantee and others |  | USD 59
Kookmin Bank |  | Guarantee for payment in foreign currency |  | USD 3,186
Shinhan Bank |  | Guarantee for payment in Korean currency |  | 710
|  | Guarantee for payment in foreign currency and others |  | USD 98,842
|  | Corporate card issuance guarantee |  | VND 222,914
Woori Bank |  | Guarantee for payment in Korean currency |  | 5,100
|  | Guarantee for payment in foreign currency |  | USD 7,000
|  | Guarantee for payment in foreign currency |  | EUR 6,900
|  | Performance guarantee and others |  | USD 270
HSBC |  | Guarantees for depositions |  | USD 807
Seoul Guarantee Insurance Company |  | Performance guarantee and others |  | 404,991
Korea Software Financial Cooperative |  | Performance guarantee and others |  | 1,611,632
Korea Specialty Contractor Financial Cooperative |  | Performance guarantee and others |  | 135
(In millions of Korean won and foreign currencies in thousands) |  | Financial institution |  | Limit
Korea Housing Finance Corporation |  | Performance guarantee and others |  | 26,526
Korea Housing & Urban Guarantee Corporation 1 |  | Performance guarantee and others |  | 691,530
Information & Communication Financial Cooperative |  | Performance guarantee and others |  | 838,244
Total |  | KRW |  | 3,585,768
|  | USD |  | 120,523
|  | EUR |  | 6,900
|  | VND |  | 222,914
| 1 | Inventory assets ( ￦ 449,448 million) and investment properties ( ￦ 494,487 million) are provided as collateral with commitment respectively, as of December 31, 2024.
Summary Of Guarantees Provided By The Group For Third Party |
| (3) | As of December 31, 2024, guarantees provided by the Group to third parties are as follows:
(In millions of Korean won) |  | Subject to payment guarantees |  | Creditor |  | Limit |  |  | Used amount |  |  | Period |
KT Estate Inc |  | Wonju Bando U-bora Mark Bridge Buyer |  | Hana Bank |  |  | 103,000 |  |  |  | 68,780 |  |  |  | Aug. 5, 2022 ~ Feb. 28, 2025 |
KT Engineering Co., Ltd. 1 |  | Gasan Solar Power Plant Inc. |  | Shinhan Bank |  |  | 4,700 |  |  |  | 28 |  |  |  | Jan. 7, 2010 ~ Jan. 8, 2025 |
Nasmedia Co., Ltd. |  | Stockholders Association Members |  | Korea Securities Finance Corp |  |  | 748 |  |  |  | 249 |  |  |  | — |
| 1 | KT Engineering Co., Ltd., a subsidiary of the Group, is subject to payment, depending on the reimbursement of principal debtor.
Disclosure Of Investment Properties Provided As Collateral Explanatory |
| (18) | Details of investment properties provided as collateral as December 31, 2023 and 2024, are as follows:
(in millions of Korean won) |  | December 31, 2023
Collateral |  | Carrying amount |  |  | Secured amount |  |  | Related account |  |  | Related amount |  |  | Mortgagee
Land and buildings |  | ￦ | 81,057 |  |  |  | 64,680 |  |  |  | Borrowings |  |  |  | 54,900 |  |  | Industrial Bank of Korea/Shinhan Bank/Standard Chartered Bank
Land and buildings |  |  | 555,921 |  |  |  | 64,877 |  |  |  | Deposits received |  |  |  | 55,965 |  |  | leaseholder
(in millions of Korean won) |  | December 31, 2024
Collateral |  | Carrying amount |  |  | Secured amount |  |  | Related account |  |  | Related amount |  |  | Mortgagee
Land and buildings |  | ￦ | 79,959 |  |  |  | 76,668 |  |  |  | Borrowings |  |  |  | 63,890 |  |  | Industrial Bank of Korea/Shinhan Bank/Standard Chartered Bank
Land and buildings |  |  | 541,351 |  |  |  | 68,019 |  |  |  | Deposits received |  |  |  | 58,062 |  |  | leaseholder

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