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Leases - Lease not yet commenced (Details) ¥ in Thousands | 12 Months Ended
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Dec. 31, 2023 CNY (¥)
Leases |
Lease contract entered into but not yet commenced | ¥ 249
Existence of material residual value guarantees | false

X
- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Indicates (true false) whether lessee provided residual value guarantee for operating lease not yet commenced. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
Name: | us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedExistenceOfResidualValueGuarantee
Namespace Prefix: | us-gaap_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of lessee's obligation for operating lease that has not yet commenced. + References No definition available. + Details
Name: | zkh_LesseeOperatingLeaseLeaseNotYetCommencedLeaseLiability
Namespace Prefix: | zkh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant