XML 133 R115.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Property, Plant and Equipment - Additional Information (Detail) - TWD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Dec. 31, 2017 | Dec. 31, 2015
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Impairment loss recognized | $ 2,286.0 |  | $ 2,545.6
Gain from lease agreement modification |  |  | 430.0
Foundry [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Impairment loss recognized |  |  | $ 259.6
Main plants [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Estimated useful lives for property, plant and equipment |  | 20 years |
Mechanical and electrical power equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Estimated useful lives for property, plant and equipment |  | 10 years |
Clean rooms [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Estimated useful lives for property, plant and equipment |  | 10 years |

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_v&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 98 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_98_a&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of operating lease income. Operating lease is a lease that does not transfer substantially all the risks and rewards incidental to ownership of an underlying asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2019-01-01 -Name IFRS -Number 16 -IssueDate 2017-01-01 -Paragraph 90 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=16&date=2017-03-01&anchor=para_90_b&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Estimated useful lives of property plant and equipment. + References No definition available. + Details
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- Details
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- Details
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- Details
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