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Equity - Appropriations of Earnings (Detail) - TWD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Cash dividends per share | $ 4.479 | $ 4.796 | $ 4.9419
Special reserve [Member] |  |  |
Appropriations of earnings |  | $ (5) | $ 5
Cash dividends [member] |  |  |
Appropriations of earnings | $ 34,746 | $ 37,205 | $ 38,336

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- Definition The increase (decrease) in equity resulting from the appropriation of retained earnings. [Refer: Retained earnings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_106_d&doctype=Standard -URIDate 2018-03-16 + Details
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- Details
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- Details
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