Redeemable Convertible Preferred Stocks - Summary of Redeemable Convertible Preferred Stocks (Parenthetical) (Detail) ₩ in Millions	Dec. 31, 2018 KRW (₩)
Redeemable Convertible Preferred Stocks [line items]
Dividend payable	₩ 23,191
Non-controlling interests [member]
Redeemable Convertible Preferred Stocks [line items]
Dividend payable	₩ 23,191

The amount of current dividend payables. [Refer: Dividend payables]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard
-URIDate 2018-03-16

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