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Changes in financial assets at fair value through other comprehensive income (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Changes in financial assets at fair value through other comprehensive income [Line Items] |  |
Beginning balance | ₩ 379,170 | ₩ 399,494
Acquisition | 2,900 | 1,876
Disposal | (5) | (19,315)
Valuation | (30,937) | (8,019)
Others | 7,431 | 5,134
Ending Balance | 358,559 | 379,170
Listed equity securities |  |
Changes in financial assets at fair value through other comprehensive income [Line Items] |  |
Beginning balance | 201,202 | 210,055
Acquisition | 0 | 0
Disposal | (4) | 0
Valuation | (7,809) | (11,734)
Others | 1,281 | 2,880
Ending Balance | 194,669 | 201,202
Unlisted equity securities |  |
Changes in financial assets at fair value through other comprehensive income [Line Items] |  |
Beginning balance | 177,968 | 189,439
Acquisition | 2,900 | 1,876
Disposal | (1) | (19,315)
Valuation | (23,128) | 3,715
Others | 6,150 | 2,254
Ending Balance | 163,890 | 177,968
Current Financial assets at fair value through profit or loss, category |  |
Changes in financial assets at fair value through other comprehensive income [Line Items] |  |
Beginning balance | 0 | 0
Acquisition | 0 | 0
Disposal | 0 | 0
Valuation | 0 | 0
Others | 0 | 0
Ending Balance | 0 | 0
Non-Current Financial assets at fair value through profit or loss, category |  |
Changes in financial assets at fair value through other comprehensive income [Line Items] |  |
Beginning balance | 379,170 | 399,494
Acquisition | 2,900 | 1,876
Disposal | (5) | (19,315)
Valuation | (30,937) | (8,019)
Others | 7,431 | 5,134
Ending Balance | ₩ 358,559 | ₩ 379,170

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- Definition The amount of financial assets at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 8 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_8_h&doctype=Standard -URIDate 2020-01-01 + Details
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