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Lease Arrangements (Tables) | 12 Months Ended
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Dec. 31, 2019
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Minimum Lease Payments Expensed | The Company expensed the lease payments as follows:
|  | Years Ended December 31 |
|  | 2017 |  |  | 2018 |
|  | NT$ |  |  | NT$ |
|  | (In Millions) |  |  | (In Millions) |
Minimum lease payments |  | $ | 2,178.1 |  |  | $ | 4,243.1 |
Future Minimum Lease Payments under Non-cancellable Operating Leases | Future minimum lease payments under the above non-cancellable operating leases are as follows:
|  | December 31, 2018 |
|  | NT$ |
|  | (In Millions) |
Not later than 1 year |  | $ | 5,824.1 |
Later than 1 year and not later than 5 years |  |  | 5,834.9 |
Later than 5 years |  |  | 9,190.6 |
|  | $ | 20,849.6 |
Right-of-use assets |
| a. | Right-of-use assets
|  | December 31, 2019 |
|  | NT$ |
|  | (In Millions) |
Carrying amounts |  |  |  |
Land |  | $ | 14,064.0 |
Buildings |  |  | 2,351.8 |
Machinery and equipment |  |  | 775.8 |
Office equipment |  |  | 40.8 |
|  | $ | 17,232.4 |
|  | Year Ended December 31, 2019 |
|  | NT$ |
|  | (In Millions) |
Additions to right-of-use assets |  | $ | 1,033.0 |
|  | Year Ended December 31, 2019 |
|  | NT$ |
|  | (In Millions) |
Depreciation of right-of-use assets |  |  |  |
Land |  | $ | 957.1 |
Buildings |  |  | 458.8 |
Machinery and equipment |  |  | 1,184.4 |
Office equipment |  |  | 22.4 |
|  | $ | 2,622.7 |
Income from subleasing right-of-use assets (classified under other operating income and expenses, net) |  | $ | 55.0 |
Lease liabilities |
| b. | Lease liabilities
|  | December 31, 2019 |
|  | NT$ |
|  | (In Millions) |
Carrying amounts |  |  |  |
Current portion (classified under accrued expenses and other current liabilities) |  | $ | 2,275.1 |
Noncurrent portion |  |  | 15,041.8 |
|  | $ | 17,316.9 |
Ranges of discount rates for lease liabilities | Ranges of discount rates for lease liabilities are as follows:
|  | December 31, 2019
Land |  | 0.67%-2.14%
Buildings |  | 0.67%-3.88%
Machinery and equipment |  | 3.24%
Office equipment |  | 0.64%-3.88%
Maturity analysis of lease payments receivable | The maturity analysis of lease payments receivable under operating subleases is as follows:
|  | December 31, 2019 |
|  | NT$ |
|  | (In Millions) |
Year 1 |  | $ | 58.6 |
Year 2 |  |  | 1.9 |
|  | $ | 60.5 |
Other lease information |
| e. | Other lease information
|  | Year Ended December 31, 2019 |
|  | NT$ |
|  | (In Millions) |
Expenses relating to short-term leases |  | $ | 5,007.1 |
Expenses relating to low-value asset leases |  | $ | 0.5 |
Expenses relating to variable lease payments not included in the measurement of lease liabilities |  | $ | 195.1 |
|  | Year Ended December 31, 2019 |
|  | NT$ |
|  | (In Millions) |
Total cash outflow for leases |  | $ | 7,724.4 |

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- Definition The disclosure of a maturity analysis of operating lease payments. Operating lease is a lease that does not transfer substantially all the risks and rewards incidental to ownership of an underlying asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 97 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_97&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The disclosure of quantitative information about right-of-use assets. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 53 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition Disclosure Of Discount Rate On Lease Liabilities. + References No definition available. + Details
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