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Income Tax - Imputation Credit Account (Detail) $ in Millions | Dec. 31, 2016 TWD ($)
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Major Components Of Tax Expense Income [Abstract] |
Balance of Imputation Credit Account (“ICA”) | $ 7,691

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- References No definition available. + Details
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Namespace Prefix: | ifrs-full_
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Balance Type: | na
Period Type: | duration

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- Definition The amount of regulatory deferral account credit balances. [Refer: Regulatory deferral account balances [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 14 -IssueDate 2016-01-13 -Paragraph 20 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=14&date=2016-03-30&anchor=para_20_b&doctype=Standard -URIDate 2016-03-31 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 14 -IssueDate 2016-01-13 -Paragraph 33 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=14&date=2016-03-30&anchor=para_33_a&doctype=Standard -URIDate 2016-03-31 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 14 -IssueDate 2016-01-13 -Paragraph 35 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=14&date=2016-03-30&anchor=para_35&doctype=Standard -URIDate 2016-03-31 + Details
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Balance Type: | credit
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