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Borrowings - Summary of Short-term Borrowing (Detail) ₩ in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 KRW (₩) | Dec. 31, 2023 KRW (₩) | Dec. 31, 2023 USD ($)
Disclosure of detailed information about borrowings [line items] |  |  |
Annual interest rates | 0.00% |  |
Short-term borrowings [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term borrowings | ₩ 450,140 | ₩ 425,785 |
Short-term borrowings [member] | Shinhan Bank [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term borrowings | ₩ 71,000 | 151,500 |
Short-term borrowings [member] | Shinhan Bank [member] | Bottom of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Annual interest rates | 4.21% |  |
Short-term borrowings [member] | Shinhan Bank [member] | Top of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Annual interest rates | 6.28% |  |
Short-term borrowings [member] | Shinhan Bank 1 [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term borrowings | ₩ 13,090 |  |
Short-term borrowings [member] | Shinhan Bank 1 [Member] | Bottom of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Annual interest rates | 5.43% |  |
Short-term borrowings [member] | Shinhan Bank 1 [Member] | Top of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Annual interest rates | 6.27% |  |
Short-term borrowings [member] | Shinhan Bank 2 [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term borrowings | ₩ 16,900 |  |
Annual interest rates description | CD(91D)+1.800 |  |
Short-term borrowings [member] | Shinhan Bank 3 [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term borrowings | ₩ 20,000 | 20,000 |
Annual interest rates description | CD(91D)+1.990 |  |
Short-term borrowings [member] | Woori Bank [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Annual interest rates | 4.05% |  |
Short-term borrowings | ₩ 70,000 | 70,000 |
Short-term borrowings [member] | Woori Bank 1 [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term borrowings | ₩ 51,950 |  |
Short-term borrowings [member] | Woori Bank 1 [Member] | Bottom of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Annual interest rates | 4.23% |  |
Short-term borrowings [member] | Woori Bank 1 [Member] | Top of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Annual interest rates | 5.33% |  |
Short-term borrowings [member] | Industrial Bank Of Korea [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Annual interest rates | 4.34% |  |
Short-term borrowings | ₩ 6,000 | 6,000 |
Short-term borrowings [member] | Hana Bank [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term borrowings |  | 4,800 |
Short-term borrowings [member] | KB SECURITIES [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Annual interest rates | 3.63% |  |
Short-term borrowings | ₩ 120,000 | 69,635 |
Short-term borrowings [member] | HSBC [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term borrowings |  | 30,450 | $ 23,600
Short-term borrowings [member] | NongHyup Bank [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Annual interest rates | 4.34% |  |
Short-term borrowings | ₩ 14,200 | 8,500 |
Short-term borrowings [member] | Korea Investment [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term borrowings |  | 30,000 |
Short-term borrowings [member] | Standard Chartered Bank [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term borrowings | ₩ 32,000 |  |
Annual interest rates description | CD(91D)+0.750 |  |
Short-term borrowings [member] | Korea Development Bank [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term borrowings | ₩ 35,000 | ₩ 34,900 |
Short-term borrowings [member] | Korea Development Bank [member] | Bottom of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Annual interest rates | 4.47% |  |
Short-term borrowings [member] | Korea Development Bank [member] | Top of range [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Annual interest rates | 5.94% |  |

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