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Short-term Bills Payable | 12 Months Ended
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Dec. 31, 2020
Short Term Bills Payable [Abstract] |
Short-term Bills Payable |
2 3. | SHORT-TERM BILLS PAYABLE
|  | December 31 |
|  | 2019 |  |  | 2020 |
|  | NT$ |  |  | NT$ |
|  | (In Millions) |
Commercial paper payable |  | $ | — |  |  | $ | 7,000 |
Less: Discounts on commercial paper payable |  |  | — |  |  | $ | (1 | )
|  | $ | — |  |  | $ | 6,999 |
The annual interest rates of commercial paper payable were as follows:
|  | December 31
|  | 2019 |  |  | 2020
Commercial paper payable |  |  | — |  |  | 0.34%-0.36%

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- Definition Short-term bills payable. + References No definition available. + Details
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- Definition The disclosure of trade and other payables. [Refer: Trade and other payables] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_10_e&doctype=Standard -URIDate 2020-01-01 + Details
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