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Net Revenue - Summary of Contract Balances (Detail) - TWD ($) $ in Millions | Dec. 31, 2018 | Jan. 01, 2018
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Disclosure of contract liabilities [line items] |  |
Contract liabilities (classified under accrued expenses and other current liabilities) | $ 31,770.0 |
Accrued expenses and other current liabilities [member] |  |
Disclosure of contract liabilities [line items] |  |
Contract liabilities (classified under accrued expenses and other current liabilities) | $ 4,684.0 | $ 32,434.8

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- Definition The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2018-01-01 -Paragraph 105 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_105&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2018-01-01 -Paragraph 116 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_116_a&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition Disclosure of contract liabilities. + References No definition available. + Details
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- Details
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Balance Type: |
Period Type: |