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Employee benefit (Details) - CNY (¥) ¥ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Contribution Pension And Other Postretirements Plan Disclosure [Abstract]
Employee benefit expenses	¥ 12,659	¥ 10,848	¥ 8,901

X

- Definition

Defined contribution pension and other postretirements plan disclosure.

+ References

No definition available.

+ Details

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

X

- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480794/715-70-50-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration