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Intangible Assets - Summary of Intangible Assets (Parenthetical) (Detail) - KRW (₩) ₩ in Millions	Dec. 31, 2020	Dec. 31, 2019
Disclosure of detailed information about intangible assets [abstract]
Indefinite useful life	₩ 221,099	₩ 203,240

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- References

No definition available.

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X

- Definition

The amount of intangible assets assessed as having an indefinite useful life. [Refer: Intangible assets other than goodwill]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 38
-IssueDate 2020-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2020-01-01
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-URIDate 2020-01-01

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