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Investment Properties - Summary of Investment Properties and Changes in Investment Properties (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | ₩ 225,195 | ₩ 158,580
Depreciation | (1,386) | (1,453)
Others | (11,025) | 68,068
Endings balance | 212,784 | 225,195
Acquisition cost |  |
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | 259,738 |
Endings balance | 221,148 | 259,738
Accumulated depreciation |  |
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | (34,514) |
Endings balance | (8,334) | (34,514)
Government grants |  |
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | (29) | (13)
Depreciation | 1 | 1
Others | (2) | (17)
Endings balance | (30) | (29)
Investment property - Land |  |
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | 200,391 |
Endings balance | 201,605 | 200,391
Investment property - Land | Carrying Amount Other than Government Grants |  |
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | 200,391 | 129,897
Depreciation | 0 | 0
Others | 1,214 | 70,494
Endings balance | 201,605 | 200,391
Investment property - Land | Acquisition cost |  |
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | 200,391 |
Endings balance | 201,605 | 200,391
Investment property - Land | Accumulated depreciation |  |
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | 0 |
Endings balance | 0 | 0
Investment property - Land | Government grants |  |
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | 0 |
Endings balance | 0 | 0
Investment property - Buildings |  |
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | 24,804 |
Endings balance | 11,179 | 24,804
Investment property - Buildings | Carrying Amount Other than Government Grants |  |
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | 24,833 | 28,696
Depreciation | (1,387) | (1,454)
Others | (12,237) | (2,409)
Endings balance | 11,209 | 24,833
Investment property - Buildings | Acquisition cost |  |
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | 59,347 |
Endings balance | 19,543 | 59,347
Investment property - Buildings | Accumulated depreciation |  |
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | (34,514) |
Endings balance | (8,334) | (34,514)
Investment property - Buildings | Government grants |  |
Disclosure of detailed information about investment property [line items] |  |
Beginning balance | (29) |
Endings balance | ₩ (30) | ₩ (29)

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- Definition The increase (decrease) in investment property resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2021-01-01 -Paragraph 79 -Subparagraph d -Clause viii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_79_d_viii&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2021-01-01 -Paragraph 76 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_76_g&doctype=Standard -URIDate 2021-03-24 + Details
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