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Net Revenue - Summary of Disaggregation of Revenue from Contracts with Customers by Geographical Location (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2018 TWD ($)
Disclosure of disaggregation of revenue from contracts with customers [line items] |
Revenue from contracts with customers | $ 1,031,473.6
Taiwan [member] |
Disclosure of disaggregation of revenue from contracts with customers [line items] |
Revenue from contracts with customers | 78,260.8
United States [member] |
Disclosure of disaggregation of revenue from contracts with customers [line items] |
Revenue from contracts with customers | 632,821.5
China [member] |
Disclosure of disaggregation of revenue from contracts with customers [line items] |
Revenue from contracts with customers | 175,794.2
Europe Middle East and Africa [member] |
Disclosure of disaggregation of revenue from contracts with customers [line items] |
Revenue from contracts with customers | 71,068.5
Japan [member] |
Disclosure of disaggregation of revenue from contracts with customers [line items] |
Revenue from contracts with customers | 58,125.9
Other country [member] |
Disclosure of disaggregation of revenue from contracts with customers [line items] |
Revenue from contracts with customers | $ 15,402.7

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- Definition The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2018-01-01 -Paragraph 113 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_113_a&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2018-01-01 -Paragraph 114 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_114&doctype=Standard -URIDate 2018-03-16 + Details
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