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Other Payables - Summary of Other Payables (Detail) $ in Millions, $ in Millions | Dec. 31, 2018 TWD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 TWD ($)
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Trade And Other Current Payables [Abstract] |  |  |
Accrued salary and compensation | $ 9,041 |  | $ 9,748
Accrued compensation to employees and remuneration to directors and supervisors | 1,739 |  | 1,949
Payables to contractors | 1,710 |  | 2,058
Payables to equipment suppliers | 1,459 |  | 1,690
Amounts collected for others | 1,226 |  | 1,203
Accrued franchise fees | 1,151 |  | 1,248
Accrued maintenance costs | 1,050 |  | 1,081
Others | 5,939 |  | 6,024
Total | $ 23,315 | $ 762 | $ 25,001

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- Definition Accrued franchise fees. + References No definition available. + Details
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- Definition The amount of accruals for employee benefits (other than termination benefits) that are expected to be settled wholly within twelve months after the end of the annual reporting period in which the employees render the related services. [Refer: Accruals classified as current] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 78 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_78&doctype=Standard -URIDate 2018-03-16 + Details
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