Contract Liabilities - Summary of Contract Liabilities (Detail) ¥ in Thousands, $ in Thousands	Dec. 31, 2020 CNY (¥)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 CNY (¥)
Disclosure of contract liabilities [line items]
Contract liabilities	¥ 935,462	$ 144,556	¥ 436,622
Current	868,193	134,161	382,809
Non-current	67,269	10,395	53,813
Unfulfilled service-type maintenance services [member]
Disclosure of contract liabilities [line items]
Contract liabilities	179,723	27,773	181,139
Advance from customer [member]
Disclosure of contract liabilities [line items]
Contract liabilities	¥ 755,739	$ 116,783	¥ 255,483

Disclosure of contract liabilities.

No definition available.

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- Definition

The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2020-01-01
-Paragraph 105
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_105&doctype=Standard
-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2020-01-01
-Paragraph 116
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_116_a&doctype=Standard
-URIDate 2020-01-01

+ Details

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- Definition

The amount of current contract liabilities. [Refer: Contract liabilities]

+ References

+ Details

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- Definition

The amount of non-current contract liabilities. [Refer: Contract liabilities]

+ References

+ Details

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- Details

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- Details

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