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Other Payables (Tables) | 12 Months Ended
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Dec. 31, 2017
Trade And Other Current Payables [Abstract] |
Summary of Other Payables |
|  | December 31 |
|  | 2016 |  |  | 2017 |
|  | NT$ |  |  | NT$ |
|  | (In Millions) |
Accrued salary and compensation |  | $ | 9,770 |  |  | $ | 9,748 |
Payables to contractors |  |  | 2,396 |  |  |  | 2,058 |
Accrued compensation to employees and remuneration to directors and supervisors |  |  | 2,015 |  |  |  | 1,949 |
Payables to equipment suppliers |  |  | 1,623 |  |  |  | 1,690 |
Accrued franchise fees |  |  | 1,326 |  |  |  | 1,248 |
Amounts collected for others |  |  | 1,407 |  |  |  | 1,203 |
Accrued maintenance costs |  |  | 1,062 |  |  |  | 1,081 |
Others |  |  | 6,819 |  |  |  | 6,024 |
|  | $ | 26,418 |  |  | $ | 25,001 |

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