Purchase agreement term in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

+ Details

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- Definition

Service agreement term in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	dada_ServiceAgreementTerm
Namespace Prefix:	dada_
Data Type:	xbrli:durationItemType
Balance Type:	na
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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07.1(c))
-URI http://asc.fasb.org/extlink&oid=120401555&loc=SL114874292-224272

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

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- Details

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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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- Details

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- Details

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- Details

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Data Type:	na
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- Details

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RELATED PARTY TRANSACTIONS - Additional information (Details) - CNY (¥) ¥ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Related Party Transaction [Line Items]
Revenues	¥ 3,008,947	¥ 1,967,723	¥ 1,032,455
JD Group
Related Party Transaction [Line Items]
Purchase agreement term (in years)	1 year
Revenues	¥ 2,214,262	1,564,436	943,084
JD Group \| Deliver services
Related Party Transaction [Line Items]
Service Agreement term (in years)	1 year
JD Group \| Operational support services \| Minimum
Related Party Transaction [Line Items]
Service Agreement term (in years)	1 year
JD Group \| Operational support services \| Maximum
Related Party Transaction [Line Items]
Service Agreement term (in years)	3 years
JD Group \| BCA
Related Party Transaction [Line Items]
Service Agreement term (in years)	6 years
Walmart group
Related Party Transaction [Line Items]
Revenues	¥ 794,685	¥ 403,287	¥ 89,371
Walmart group \| BCA
Related Party Transaction [Line Items]
Service Agreement term (in years)	1 year