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v3.21.1

Lease Arrangements - Ranges Of Discount Rates For Lease Liabilities (Detail) | Dec. 31, 2020 | Dec. 31, 2019
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Land [member] | Bottom of range [member] |  |
Disclosure Of Discount Rate On Lease Liabilities [Line Items] |  |
Discount rate on lease liabilities | 0.48% | 0.67%
Land [member] | Top of range [member] |  |
Disclosure Of Discount Rate On Lease Liabilities [Line Items] |  |
Discount rate on lease liabilities | 2.14% | 2.14%
Buildings [member] | Bottom of range [member] |  |
Disclosure Of Discount Rate On Lease Liabilities [Line Items] |  |
Discount rate on lease liabilities | 0.54% | 0.67%
Buildings [member] | Top of range [member] |  |
Disclosure Of Discount Rate On Lease Liabilities [Line Items] |  |
Discount rate on lease liabilities | 3.88% | 3.88%
Machinery [member] |  |
Disclosure Of Discount Rate On Lease Liabilities [Line Items] |  |
Discount rate on lease liabilities |  | 3.24%
Office equipment [member] | Bottom of range [member] |  |
Disclosure Of Discount Rate On Lease Liabilities [Line Items] |  |
Discount rate on lease liabilities | 0.28% | 0.64%
Office equipment [member] | Top of range [member] |  |
Disclosure Of Discount Rate On Lease Liabilities [Line Items] |  |
Discount rate on lease liabilities | 3.88% | 3.88%

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- Definition The discount rates used in the measurement of lease liabilities. + References No definition available. + Details
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- Details
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