Distribution of profit (Details) - CNY (¥) ¥ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Distribution of Profit
Reserve level threshold for mandatory transfer requirement (as a percent)	50.00%
Percentage of annual appropriation to general reserve fund required	10.00%
Transferred to general reserve	¥ 184,182	¥ 121,069	¥ 95,617
Parent company
Distribution of Profit
Amount of restricted capital and reserves not available for dividend distribution	¥ 7,265,250

Total assets that cannot be used for operating purposes because of contract or regulatory requirements that are in effect for a period that extends beyond one year.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the amount of net income after tax appropriated towards the general reserve fund for entities incorporated in the People's Republic of China.

+ References

No definition available.

+ Details

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Namespace Prefix:	vips_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the percentage of net income after tax required to be appropriated towards the general reserve fund for entities incorporated in the People's Republic of China until the reserve balance reaches 50 percent of registered capital.

+ References

No definition available.

+ Details

Name:	vips_AppropriationOfNetIncomeAfterTaxesToGeneralReserveFundRequiredPercentage
Namespace Prefix:	vips_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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Namespace Prefix:	vips_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the level of the general reserve fund balance as a percentage of registered capital for entities incorporated in the People's Republic of China which must be attained before mandatory transfers to the reserve are no longer required.

+ References

No definition available.

+ Details

Name:	vips_ReserveLevelThresholdForMandatoryTransferPercentage
Namespace Prefix:	vips_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix:
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