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Prepayments - Summary of Prepayments (Detail) $ in Millions, $ in Millions | Dec. 31, 2017 TWD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 TWD ($)
--- | --- | --- | ---
Prepayments [Abstract] |  |  |
Prepaid rents | $ 2,687 |  | $ 2,934
Others | 3,074 |  | 3,285
Prepayments | 5,761 |  | 6,219
Prepaid rents | 812 |  | 899
Others | 1,376 |  | 2,079
Current prepayments | 2,188 | $ 74 | 2,978
Prepaid rents | 1,875 |  | 2,035
Others | 1,698 |  | 1,206
Noncurrent prepayments | $ 3,573 | $ 121 | $ 3,241

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- Definition Non-current prepaid rents. + References No definition available. + Details
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- Definition Other current prepayments. + References No definition available. + Details
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- Definition Other non-current prepayments. + References No definition available. + Details
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- Definition Other prepayments. + References No definition available. + Details
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- Definition Prepaid rents. + References No definition available. + Details
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- Definition Prepayments. + References No definition available. + Details
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- Definition The amount of current prepayments. [Refer: Prepayments] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 78 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_78_b&doctype=Standard -URIDate 2016-03-31 + Details
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- Definition The amount of non-current prepayments. [Refer: Prepayments] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 78 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_78_b&doctype=Standard -URIDate 2016-03-31 + Details
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