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Commitments and Contingencies - Summary of Investment Properties Provided as Collateral (Detail) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Disclosure Of Investment Properties Provided As Collateral [Line Items] |  |
Related amount | ₩ 10,520,690 | ₩ 10,218,165
Industrial Bank of Korea/Shinhan Bank/Standard Chartered Bank [Member] |  |
Disclosure Of Investment Properties Provided As Collateral [Line Items] |  |
Carrying amount | 79,959 | 81,057
Secured amount | ₩ 76,668 | ₩ 64,680
Related account | Borrowings | Borrowings
Related amount | ₩ 63,890 | ₩ 54,900
Mortgagee | Industrial Bank of Korea/Shinhan Bank/Standard Chartered Bank | Industrial Bank of Korea/Shinhan Bank/Standard Chartered Bank
Leaseholder [Member] |  |
Disclosure Of Investment Properties Provided As Collateral [Line Items] |  |
Carrying amount | ₩ 541,351 | ₩ 555,921
Secured amount | ₩ 68,019 | ₩ 64,877
Related account | Deposits received | Deposits received
Related amount | ₩ 58,062 | ₩ 55,965
Mortgagee | leaseholder | leaseholder

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- Details
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- Details
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