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Revenues (Tables)

12 Months Ended

Dec. 31, 2021

Revenue Recognition and Deferred Revenue [Abstract]

Summary of Disaggregation of Revenue

The following table presents the Group’s revenues from contracts with customers disaggregated by material revenue category:

		For the year ended December 31
		2019				2020				2021				2021
		RMB				RMB				RMB				US$
Public cloud services recognized over time			3,458,843				5,166,851				6,159,085				966,495
Enterprise cloud services:
Recognized at a point in time			485,991				1,368,544				2,159,869				338,931
Recognized over time			317				4,145				737,948				115,800
			486,308				1,372,689				2,897,817				454,731
Others:
Recognized at a point in time			11,202				36,611				1,208				190
Recognized over time			—				1,156				2,674				419
			11,202				37,767				3,882				609
			3,956,353				6,577,307				9,060,784				1,421,835

Summary of Revenue, Remaining Performance Obligation

The transaction prices allocated to the remaining performance obligations (unsatisfied or partially unsatisfied) as at December 31, 2021 are primarily related to enterprise cloud services, which are as follows:

		RMB				US$
Within one year			27,852				4,371
More than one year			23,505				3,688
Total			51,357				8,059

Summary of Contract with Customer Liability Recognized

		For the year ended December 31
		2019				2020				2021				2021
		RMB				RMB				RMB				US$
Revenue recognized from amounts included in contract liabilities at the beginning of the period			22,782				37,550				112,221				17,610

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Summary of Contract with Customer Liability Recognized [Table text block].

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Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045

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- Definition

Tabular disclosure of expected timing for satisfying remaining performance obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045

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