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Organization - Ownership interest (Details)	1 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2018
Hangzhou Aimi or VIE
Major subsidiaries, consolidated VIE and the subsidiary of the VIE
Percentage of direct or indirect ownership in VIEs		100.00%
Shanghai Xunmeng
Major subsidiaries, consolidated VIE and the subsidiary of the VIE
Percentage of direct or indirect ownership in VIEs	100.00%	100.00%
Walnut HK
Major subsidiaries, consolidated VIE and the subsidiary of the VIE
Percentage of ownership by the Company		100.00%
Hangzhou Weimi or WFOE
Major subsidiaries, consolidated VIE and the subsidiary of the VIE
Percentage of ownership by the Company		100.00%
Xinzhijiang
Major subsidiaries, consolidated VIE and the subsidiary of the VIE
Percentage of ownership by the Company		100.00%

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- Definition

Line items represent principal activities and organization 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.

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=108788376&loc=SL6759159-111685

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- Details

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- Details

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- Details

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- Details

Name:	srt_OwnershipAxis=pdd_HangzhouWeimiNetworkTechnologyCo.LtdMember
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- Details

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