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Deferred Revenues (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Deferred income including contract liabilities [abstract] |  |
Deferred Revenue, Beginning Balance | ₩ 9,868,189 | ₩ 9,201,538
Increase | 1,149,578 | 1,310,128
Recognized as revenue | (661,212) | (643,477)
Deferred Revenue, Ending Balance | ₩ 10,356,555 | ₩ 9,868,189

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- Definition The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Paragraph 105 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_105&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Paragraph 116 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_116_a&doctype=Standard -URIDate 2021-03-24 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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- Definition The increase (decrease) in contract liabilities resulting from cumulative catch-up adjustments to revenue. [Refer: Contract liabilities; Revenue from contracts with customers] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_118_b&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of revenue that was included in the contract liability balance at the beginning of the period. [Refer: Contract liabilities; Revenue from contracts with customers] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Paragraph 116 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_116_b&doctype=Standard -URIDate 2021-03-24 + Details
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Period Type: | duration