Investment under the share purchase agreement.

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Line of credit number of lead arrangers.

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Percentage of issued and outstanding shares.

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Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

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Amount of common stock allocated to investors to buy shares of a new issue of common stock before they are offered to the public. When stock is sold on a subscription basis, the issuer does not initially receive the total proceeds. In general, the issuer does not issue the shares to the investor until it receives the entire proceeds.

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Monetary value of common stock allocated to investors to buy shares of a new issue of common stock before they are offered to the public. When stock is sold on a subscription basis, the issuer does not initially receive the total proceeds. In general, the issuer does not issue the shares to the investor until it receives the entire proceeds.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Amount of subscription received from investors who have been allocated nonredeemable preferred stock or preferred stock redeemable solely at the option of the issuer.

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The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Subsequent events (Details) ¥ in Millions, $ in Millions, $ in Millions					4 Months Ended	12 Months Ended				25 Months Ended
	Mar. 11, 2022 CNY (¥)	Dec. 31, 2021 USD ($) LeadArranger	Sep. 01, 2021 HKD ($)	Mar. 22, 2021 USD ($)	Apr. 28, 2022 USD ($) shares	Dec. 31, 2021 CNY (¥)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2019 CNY (¥)	Dec. 31, 2017 USD ($)	Apr. 28, 2022 USD ($) shares	Apr. 28, 2022 HKD ($)	Apr. 01, 2022	Mar. 28, 2022 USD ($)	Mar. 25, 2022 USD ($) shares	Mar. 25, 2022 HKD ($) shares	Mar. 01, 2022	Feb. 28, 2022
Subsequent events
Shares repurchased during the year \| ¥						¥ 5,246	¥ 312	¥ 131
Percentage over variable rate basis									1.15%
Acquisition of CNLP
Subsequent events
Business Acquisition, Percentage of Voting Interests Acquired			37.02%
Percentage of equity interest acquired			26.38%
Payment to acquire remaining equity interest			$ 3,990
Percentage of issued and outstanding shares																80.00%
Dada Group
Subsequent events
Investment under the share purchase agreement				$ 800
Sale of ordinary shares, equity method investment				$ 546
Noncontrolling Interest, Ownership Percentage by Parent		46.00%
Jingdong Century
Subsequent events
Non controlling interest ownership percentage		100.00%
Jingdong Century \| Dada Group
Subsequent events
Non controlling interest ownership percentage																	52.00%
Term and Revolving Credit Facilities
Subsequent events
Maximum borrowing capacity under facilities		$ 2,000							$ 1,000
Term (in years)		5 years							5 years
Number of lead arrangers \| LeadArranger		5
Term and Revolving Credit Facilities \| London Interbank Offered Rate (LIBOR) [Member]
Subsequent events
Percentage over variable rate basis						0.85%
Subsequent event \| Deppon Holdco
Subsequent events
Business Acquisition, Percentage of Voting Interests Acquired	99.99%
Business Combination, Consideration Transferred \| ¥	¥ 9,000
Subsequent event \| Deppon Logistics Co., Ltd
Subsequent events
Business Acquisition, Percentage of Voting Interests Acquired	66.50%
Subsequent event \| CNLP [Member]
Subsequent events
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned											$ 13,000
Subsequent event \| JDL Placement [Member]
Subsequent events
Number of shares agreed to issue,Shares \| shares														150,500,000	150,500,000
Total purchase price															$ 3,102
Subsequent event \| JD Subscription [Member]
Subsequent events
Number of shares agreed to issue,Shares \| shares														261,400,000	261,400,000
Total purchase price														$ 692
Subsequent event \| American Depositary Share [Member]
Subsequent events
Shares repurchased during the year (in ADS shares) \| shares					5,010,203					16,416,400
Shares repurchased during the year					$ 286					$ 1,137
Subsequent event \| JDL Financing
Subsequent events
Noncontrolling Interest, Ownership Percentage by Parent												63.50%
Subsequent event \| Jd Property [Member] \| Series B Preferred Stock [Member] \| Non Redeemable Series B Preferred Stock Agreement [Member]
Subsequent events
Preferred stock value issued but not subscribed													$ 800