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Investment Properties - Additional Information (Detail) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Disclosure of detailed information about investment property [line items] |  |
Fair value of investment properties | ₩ 2,304,583 | ₩ 1,821,061
Rental income from investment properties | 198,636 | 207,795
Future minimum lease fee | 279,792 | 705,182
Less than 1 year [member] |  |
Disclosure of detailed information about investment property [line items] |  |
Future minimum lease fee | 100,443 | 287,149
1-5 years [member] |  |
Disclosure of detailed information about investment property [line items] |  |
Future minimum lease fee | 120,939 | 389,057
More than 5 years [member] |  |
Disclosure of detailed information about investment property [line items] |  |
Future minimum lease fee | ₩ 58,410 | ₩ 28,976

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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 investment property, for which fair value was used as deemed cost in the opening IFRS statement of financial position. [Refer: Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2019-01-01 -Paragraph 30 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2019-en-r&anchor=para_30&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of rental income arising from investment property recognised in profit or loss. [Refer: Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2019-01-01 -Paragraph 75 -Subparagraph f -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2019-en-r&anchor=para_75_f_i&doctype=Standard -URIDate 2019-03-27 + 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 2019-01-01 -Paragraph 97 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_97&doctype=Standard -URIDate 2019-03-27 + Details
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