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Financial Assets at Amortized Cost-2018 (Tables) | 12 Months Ended
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Dec. 31, 2018
Text block [abstract] |
Schedule of Financial Assets at Amortized Cost |
|  | December 31, 2018 |
|  | NT$ |
|  | (In Millions) |
Corporate bonds |  | $ | 19,520.0 |
Commercial paper |  |  | 2,294.1 |
Less: Allowance for impairment loss |  |  | (8.2 | )
|  | $ | 21,805.9 |
Current portion |  | $ | 14,277.6 |
Noncurrent portion |  |  | 7,528.3 |
|  | $ | 21,805.9 |

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