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v3.21.1

Property and Equipment - Summary of the Details of Property and Equipment Provided (Detail) ₩ in Millions | 12 Months Ended |
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Dec. 31, 2020 KRW (₩) | Dec. 31, 2019 KRW (₩) | Dec. 31, 2020 SGD ($) | Dec. 31, 2020 USD ($)
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Related amount | ₩ 7,316,298 | ₩ 7,298,867 | $ 284,000,000 | $ 519,598,989
Land and buildings [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Carrying amount | 11,644 | 17,097 |  |
Secured amount | ₩ 15,502 | ₩ 18,705 |  |
Related line item | Borrowings | Borrowings |  |
Related amount | ₩ 3,072 | ₩ 4,347 |  |
Secured party | Industrial Bank of Korea, Korea Development Bank | Industrial Bank of Korea, Korea Development Bank , K Bank, Inc. |  |
Others [member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Carrying amount | ₩ 4,142 | ₩ 45,851 |  |
Secured amount | ₩ 249 | ₩ 41,681 |  |
Related line item | Deposits | Borrowings |  |
Related amount | ₩ 249 | ₩ 3,473 |  |
Secured party | K Bank, Inc. | Shinhan Bank |  |

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- Definition The amount of property, plant and equipment pledged as security for liabilities. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 74 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_74_a&doctype=Standard -URIDate 2020-01-01 + Details
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