Name:	lkncy_AppropriationToGeneralReserveFundMaximumPercentage
Namespace Prefix:	lkncy_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The minimum percentage of appropriation to the general reserve fund to the after-tax profits calculated in accordance with PRC GAAP.

No definition available.

Name:	lkncy_AppropriationToGeneralReserveFundMinimumPercentage
Namespace Prefix:	lkncy_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Appropriation to other reserve funds.

No definition available.

Name:	lkncy_AppropriationToOtherReserveFunds
Namespace Prefix:	lkncy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of statutory reserve allocated from after-tax profit.

No definition available.

Name:	lkncy_StatutoryReservesAllocated
Namespace Prefix:	lkncy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(e)(3)(ii))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Name:	us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.