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Borrowings - Summary of Bills Payable (Parenthetical) (Detail) | 12 Months Ended |
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Dec. 31, 2021 | Dec. 31, 2020
Ta Ching Bills Finance Corporation [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 0.65% | 0.91%
Borrowings maturity | January 2023 to March 2023 |
Mega Bills Finance Corporation [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Borrowings maturity | March 2023 |
Mega Bills Finance Corporation [Member] | Bottom of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 0.65% | 0.92%
Mega Bills Finance Corporation [Member] | Top of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 0.65% | 0.93%
China Bills Finance Corporation [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Borrowings maturity | March 2023 to December 2023 |
China Bills Finance Corporation [member] | Bottom of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 0.65% | 0.65%
China Bills Finance Corporation [member] | Top of range [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 0.65% | 0.90%
International Bills Finance Corporation [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Annual interest rates | 0.65% |
Borrowings maturity | March 2023 |

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- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The maturity of borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard -URIDate 2021-03-24 + Details
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