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Lease - Summary of Lease Liabilities (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Undiscounted operating lease payments to be received | ₩ 4,928,988 | ₩ 5,209,537 |
Less : Discount | (518,485) | (588,441) |
Present value of lease payment | 4,410,503 | 4,621,096 | ₩ 5,070,133
Less than 1 year |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Undiscounted operating lease payments to be received | 620,121 | 614,442 |
1~5 Years |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Undiscounted operating lease payments to be received | 2,158,145 | 2,133,538 |
More than 5 years |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Undiscounted operating lease payments to be received | ₩ 2,150,722 | ₩ 2,461,557 |

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- Definition The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2021-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_47_b&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of undiscounted operating lease payments to be received. Operating lease is a lease that does not transfer substantially all the risks and rewards incidental to ownership of an underlying asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2021-01-01 -Paragraph 97 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_97&doctype=Standard -URIDate 2021-03-24 + Details
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