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Financial Assets at Fair Value through Profit or Loss (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Financial Assets At Fair Value Through Profit Or Loss [Line Items] |  |  |
Current financial assets at fair value through profit or loss |  | ₩ 1,196,101 | ₩ 131,385
Non-current financial assets at fair value through profit or loss |  | 685,281 | 615,876
Financial assets at fair value through profit or loss |  |  |
Financial Assets At Fair Value Through Profit Or Loss [Line Items] |  |  |
Current financial assets at fair value through profit or loss |  | 1,196,101 | 131,385
Non-current financial assets at fair value through profit or loss |  | 473,215 | 410,964
Financial assets at fair value through profit or loss | Beneficiary securities |  |  |
Financial Assets At Fair Value Through Profit Or Loss [Line Items] |  |  |
Current financial assets at fair value through profit or loss |  | 1,313 | 894
Non-current financial assets at fair value through profit or loss |  | 155,122 | 160,952
Financial assets at fair value through profit or loss | Cooperative securities |  |  |
Financial Assets At Fair Value Through Profit Or Loss [Line Items] |  |  |
Current financial assets at fair value through profit or loss |  | 0 | 0
Non-current financial assets at fair value through profit or loss |  | 5,692 | 5,155
Financial assets at fair value through profit or loss | Other |  |  |
Financial Assets At Fair Value Through Profit Or Loss [Line Items] |  |  |
Current financial assets at fair value through profit or loss | [1] | 1,194,788 | 130,491
Non-current financial assets at fair value through profit or loss | [1] | 312,401 | 244,857
Financial assets designated as at fair value through profit or loss |  |  |
Financial Assets At Fair Value Through Profit Or Loss [Line Items] |  |  |
Current financial assets at fair value through profit or loss |  | 0 | 0
Non-current financial assets at fair value through profit or loss |  | 212,066 | 204,912
Financial assets designated as at fair value through profit or loss | Debt with embedded derivatives |  |  |
Financial Assets At Fair Value Through Profit Or Loss [Line Items] |  |  |
Current financial assets at fair value through profit or loss |  | 0 | 0
Non-current financial assets at fair value through profit or loss |  | 212,066 | 150,916
Financial assets designated as at fair value through profit or loss | Other |  |  |
Financial Assets At Fair Value Through Profit Or Loss [Line Items] |  |  |
Current financial assets at fair value through profit or loss |  | 0 | 0
Non-current financial assets at fair value through profit or loss |  | ₩ 0 | ₩ 53,996
[1] | 'Other' includes MMT, etc.

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- Definition The amount of current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 8 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_8_a&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of non-current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 8 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_8_a&doctype=Standard -URIDate 2020-01-01 + Details
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