Contract Liabilities - Summary of Contract Liabilities (Detail) ¥ in Thousands, $ in Thousands	Dec. 31, 2019 CNY (¥)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 CNY (¥)
Disclosure of contract liabilities [line items]
Contract liabilities	¥ 436,622	$ 61,626	¥ 340,489
Current	382,809	54,030	286,786
Non-current	53,813	7,596	53,703
Unfulfilled maintenance services [member]
Disclosure of contract liabilities [line items]
Contract liabilities	181,139	25,566	191,728
Advance from customer [member]
Disclosure of contract liabilities [line items]
Contract liabilities	¥ 255,483	$ 36,060	¥ 148,761

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 2019-01-01
-Paragraph 105
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2019-en-r&anchor=para_105&doctype=Standard
-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2019-01-01
-Paragraph 116
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2019-en-r&anchor=para_116_a&doctype=Standard
-URIDate 2019-03-27

+ 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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