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Interest Income | 12 Months Ended
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Dec. 31, 2021
Text Block [Abstract] |
Interest Income |
24. | INTEREST INCOME
|  | Years Ended December 31 |
|  | 2019 |  |  | 2020 |  |  | 2021 |
|  | NT$ |  |  | NT$ |  |  | NT$ |
|  | (In Millions) |  |  | (In Millions) |  |  | (In Millions) |
Interest income |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits |  | $ | 11,454.0 |  |  | $ | 5,139.1 |  |  | $ | 2,834.8 |
Financial assets at FVTPL |  |  | 339.5 |  |  |  | 2.5 |  |  |  | — |
Financial assets at FVTOCI |  |  | 3,476.2 |  |  |  | 3,121.9 |  |  |  | 2,192.5 |
Financial assets at amortized cost |  |  | 919.7 |  |  |  | 754.9 |  |  |  | 681.5 |
|  | $ | 16,189.4 |  |  | $ | 9,018.4 |  |  | $ | 5,708.8 |

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- Definition The disclosure of interest income. [Refer: Interest income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_10_e&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Text block [abstract]. + References No definition available. + Details
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