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Lease Liabilities (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Disclosure of maturity analysis of operating lease payments [Line Items] |  |
Undiscounted operating lease payments to be received | ₩ 5,209,537 | ₩ 5,757,009
Less than 1 year |  |
Disclosure of maturity analysis of operating lease payments [Line Items] |  |
Undiscounted operating lease payments to be received | 614,442 | 686,445
1~5 Years |  |
Disclosure of maturity analysis of operating lease payments [Line Items] |  |
Undiscounted operating lease payments to be received | 2,133,538 | 2,334,883
More than 5 years |  |
Disclosure of maturity analysis of operating lease payments [Line Items] |  |
Undiscounted operating lease payments to be received | ₩ 2,461,557 | ₩ 2,735,681

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + 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 2020-01-01 -Paragraph 97 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_97&doctype=Standard -URIDate 2020-01-01 + Details
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