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Borrowings - Summary of Short-term Borrowing (Detail) - KRW (₩) ₩ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020
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 | ₩ 338,927 | ₩ 95,789
Short-term borrowings [member] | NongHyup Bank [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings |  | 40,189
Short-term borrowings [member] | Shinhan Bank [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 2.98% |
Short-term borrowings | ₩ 4,500 | 22,500
Short-term borrowings [member] | Shinhan Bank 1 [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings |  | 10,000
Short-term borrowings [member] | Korea Development Bank [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings | ₩ 16,000 | 10,000
Short-term borrowings [member] | Korea Development Bank [member] | Bottom of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 2.21% |
Short-term borrowings [member] | Korea Development Bank [member] | Top of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 3.68% |
Short-term borrowings [member] | Woori Bank [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings | ₩ 20,000 | 1,900
Annual interest rates description | KORIBOR(3M) + 1.970 |
Short-term borrowings [member] | Industrial Bank Of Korea [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 2.55% |
Short-term borrowings | ₩ 6,000 | 200
Short-term borrowings [member] | Hana Bank [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 1.42% |
Short-term borrowings | ₩ 5,000 | ₩ 11,000
Short-term borrowings [member] | KB SECURITIES [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings | ₩ 71,000 |
Short-term borrowings [member] | KB SECURITIES [Member] | Bottom of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 1.24% |
Short-term borrowings [member] | KB SECURITIES [Member] | Top of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 1.38% |
Short-term borrowings [member] | Shinhan Investment [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings | ₩ 73,000 |
Short-term borrowings [member] | Shinhan Investment [Member] | Bottom of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 1.24% |
Short-term borrowings [member] | Shinhan Investment [Member] | Top of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 1.93% |
Short-term borrowings [member] | KIWOOM Securities [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings | ₩ 63,000 |
Short-term borrowings [member] | KIWOOM Securities [Member] | Bottom of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 1.38% |
Short-term borrowings [member] | KIWOOM Securities [Member] | Top of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 1.93% |
Short-term borrowings [member] | NH INVESTMENT SECURITIES [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings | ₩ 53,000 |
Short-term borrowings [member] | NH INVESTMENT SECURITIES [Member] | Bottom of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 1.24% |
Short-term borrowings [member] | NH INVESTMENT SECURITIES [Member] | Top of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 1.38% |
Short-term borrowings [member] | Korea Investment Securities [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 1.24% |
Short-term borrowings | ₩ 10,000 |
Short-term borrowings [member] | HSBC [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 2.075% |
Short-term borrowings | ₩ 17,427 |

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