Represents the statutory corporate income tax rate in the foreign jurisdiction.

No definition available.

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- Definition

Represents the maximum rate of withholding tax for dividends paid by an FIE in China to its immediate holding company in Hong Kong under specified conditions.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Minimum ownership percentage of the FIE by foreign investors to qualify for withholding tax rate limit for dividends paid by an FIE in China to its immediate holding company in Hong Kong.

+ References

No definition available.

+ Details

Name:	jd_MinimumOwnershipPercentageOfFIEByForeignInvestorsToQualifyForWithholdingTaxRateLimitForDividendsPaidBYFIEInChinaToItsImmediateHoldingCompanyInHongKong
Namespace Prefix:	jd_
Data Type:	num:percentItemType
Balance Type:	na
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- Definition

Represents the number of years the company can enjoy an exemption from income tax.

+ References

No definition available.

+ Details

Name:	jd_NumberOfYearsExemptedFromIncomeTax
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of years the company can enjoy the half reduced exemption from income tax.

+ References

No definition available.

+ Details

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Namespace Prefix:	jd_
Data Type:	xbrli:durationItemType
Balance Type:	na
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- Definition

Represents information pertaining to cultural undertaking development fees percentage applicable.

+ References

No definition available.

+ Details

Name:	jd_PercentageOfCulturalUndertakingDevelopmentFees
Namespace Prefix:	jd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of entitled to claim for tax deductible on research and development expenses announced by State Taxation Administration.

+ References

No definition available.

+ Details

Name:	jd_PercentageOfEntitledToClaimForResearchAndDevelopmentExpensesByStateTaxationAdministration
Namespace Prefix:	jd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

This percentage entitled to claim tax deductible for research and development expense as per PRC laws and regulations.

+ References

No definition available.

+ Details

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Namespace Prefix:	jd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents information pertaining to preferential corporate income tax rate applicable.

+ References

No definition available.

+ Details

Name:	jd_PreferentialCorporateIncomeTaxRate
Namespace Prefix:	jd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Reduction percentage of cultural undertaking development fees.

+ References

No definition available.

+ Details

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Namespace Prefix:	jd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Reduction percentage of preferential corporate income tax rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	jd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	jd_TaxRateDisclosureLineItems
Namespace Prefix:	jd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The Hong Kong profits applicable for the first tier tax rate.

+ References

No definition available.

+ Details

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

- Definition

Represents information pertaining to value added tax rate applicable.

+ References

No definition available.

+ Details

Name:	jd_ValueAddedTaxRate
Namespace Prefix:	jd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of withholding income tax rate on dividends distributed by the Foreign Invested Enterprise to it's immediate holding company.

+ References

No definition available.

+ Details

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Namespace Prefix:	jd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 6.I.Fact.4)
-URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

Name:	jd_StatusForTaxabilityAxis=jd_SoftwareEnterpriseMember
Namespace Prefix:
Data Type:	na
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Period Type:

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=country_CN
Namespace Prefix:
Data Type:	na
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Period Type:

- Details

Name:	jd_StatusForTaxabilityAxis=jd_HighAndNewTechnologyEnterprisesMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	dei_LegalEntityAxis=jd_SubsidiariesLocatedInSpecifiedMunicipalitiesOrProvisionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	jd_StatusForTaxabilityAxis=jd_EncouragedIndustryInWesternRegionOfChinaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=jd_SalesOfAudioVideoProductsAndBooksMember
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Data Type:	na
Balance Type:
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- Details

Name:	srt_ProductOrServiceAxis=jd_SalesOfOtherProductsMember
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Data Type:	na
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- Details

Name:	srt_ProductOrServiceAxis=jd_LogisticsSupportServicesMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	srt_ProductOrServiceAxis=jd_OnlineAdvertisingAndOtherServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	srt_ProductOrServiceAxis=jd_ValueAddedTaxMember
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Data Type:	na
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- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=country_ID
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Data Type:	na
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- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=country_HK
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- Details

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Taxation (Details) - HKD ($) $ in Millions			6 Months Ended	10 Months Ended	11 Months Ended	12 Months Ended			21 Months Ended	24 Months Ended	36 Months Ended
Taxation (Details) - HKD ($) $ in Millions	May 01, 2018	Apr. 01, 2018	Dec. 31, 2019	Apr. 30, 2018	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2020	Dec. 31, 2017	Dec. 31, 2020
Taxation
Applicable tax rate approved (as a percent)						25.00%	25.00%	25.00%
The Hong Kong profits applicable for the first tier tax rate		$ 2
Beijing Jingdong Shangke Information Technology Co., Ltd. \| Software enterprise
Taxation
Number of years exempted from income tax						2 years
Number of years half exempted income tax						3 years
PRC
Taxation
Applicable tax rate approved (as a percent)						25.00%
Percentage of claiming tax deductible for research and development expense (as a percent)										150.00%
Percentage of entitled to claim announced by State Taxation Administration (as a percent)											175.00%
Withholding tax rate on dividend distributed by FIE						10.00%
Maximum rate of withholding tax for dividends paid by an FIE in China to its immediate holding company in Hong Kong under specified conditions						5.00%
Minimum ownership percentage of the FIE by foreign investors to qualify for withholding tax rate limit for dividends paid by an FIE in China to its immediate holding company in Hong Kong						25.00%
PRC \| High and new technology enterprise
Taxation
Preferential income tax rate (as a percent)						15.00%
PRC \| Beijing Jingdong Shangke Information Technology Co., Ltd. \| High and new technology enterprise
Taxation
Preferential income tax rate (as a percent)						15.00%
PRC \| Beijing Jingdong Shangke Information Technology Co., Ltd. \| Software enterprise
Taxation
Reduction percentage of preferential corporate income tax rate						50.00%
Preferential income tax rate (as a percent)							12.50%
PRC \| Certain enterprises located in applicable PRC regions \| Encouraged industry in the Western Regions of China
Taxation
Preferential income tax rate (as a percent)						15.00%
PRC \| Sales of audio, video products and books
Taxation
Statutory VAT rate (as a percent)				11.00%	10.00%				9.00%
PRC \| Sales of other products
Taxation
Statutory VAT rate (as a percent)	17.00%				16.00%				13.00%
PRC \| Logistics services
Taxation
Statutory VAT rate (as a percent)	11.00%				10.00%	6.00%			9.00%
PRC \| Online advertising and other services
Taxation
Statutory VAT rate (as a percent)						6.00%
Percentage of cultural undertaking development fees						3.00%
PRC \| Value Added Tax [Member]
Taxation
Reduction percentage of cultural undertaking development fees			50.00%
Indonesia
Taxation
Profit tax rate (as a percent)						22.00%	25.00%	25.00%
Hong Kong \| Profit Above Two Million Hon Kong Dollar [Member]
Taxation
Profit tax rate (as a percent)						16.50%
Hong Kong \| Profit Below Two Million Hong kong Dollar [Member]
Taxation
Profit tax rate (as a percent)						8.25%