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Borrowings - Summary of Bills Payable (Parenthetical) (Detail)	12 Months Ended
	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

X

- 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

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X

- 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

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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