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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.

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No definition available.

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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

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