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Borrowings - Summary of Short-term Borrowing (Detail) - KRW (₩) ₩ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings | ₩ 83,500 | ₩ 92,614
NongHyup Bank [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings | 15,000 | 15,000
Shinhan Bank [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings | 57,500 | 59,800
Sinhan Bank, Indonesia [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings |  | 614
Korea Development Bank [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings | 10,000 | 16,200
SooHyup Bank [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-term borrowings | ₩ 1,000 | ₩ 1,000
Short-term borrowings [member] | NongHyup Bank [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 3.60% |
Short-term borrowings [member] | Shinhan Bank [member] | Bottom of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 3.33% |
Short-term borrowings [member] | Shinhan Bank [member] | Top of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 3.76% |
Short-term borrowings [member] | Korea Development Bank [member] | Top of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 3.85% |
Short-term borrowings [member] | SooHyup Bank [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 4.20% |

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- Definition The amount of current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard -URIDate 2019-03-27 + Details
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