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Accumulated Other Comprehensive Income and Other Components of Equity - Summary of Other Components of Equity (Detail) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Miscellaneous equity [abstract] |  |
Treasury stock | ₩ (853,108) | ₩ (859,789)
Loss on disposal of treasury stock | 873 | 607
Share-based payments | 6,483 | 5,762
Others | (359,550) | (364,514)
Total | ₩ (1,205,302) | ₩ (1,217,934)

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- Definition The amount of equity interest of an entity without share capital that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78_e&doctype=Standard -URIDate 2017-03-09 + Details
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