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Fair value portion of asset recognized for present right to economic benefit.

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Indicates type of investment. Includes, but is not limited to, common stock, preferred stock, convertible security, fixed income security, government security, option purchased, warrant, loan participation and assignment, commercial paper, bankers' acceptance, certificates of deposit, short-term security, repurchase agreement, and other investment company.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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Amount of investment in marketable security, classified as noncurrent.

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Fair value portion of other assets.

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Fair value measurement (Details) ¥ in Millions, $ in Millions	Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023
Assets
Marketable securities and other investments	¥ 51,840	$ 7,413	¥ 59,370
Investment, Type [Extensible Enumeration]	Wealth management products	Wealth management products	Wealth management products	Wealth management products
Recurring basis
Assets
Restricted cash	¥ 12,137		¥ 7,366
Total assets	65,755		48,669
Recurring basis \| Wealth management products
Assets
Short-term investments	15,519		38,396
Marketable securities and other investments	36,592
Recurring basis \| Listed equity securities
Assets
Marketable securities and other investments	1,494		2,907
Recurring basis \| Foreign Exchange Forward [Member]
Assets
Short-term investments	13
Recurring basis \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Total assets	1,494		2,907
Recurring basis \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Listed equity securities
Assets
Marketable securities and other investments	1,494		2,907
Recurring basis \| Significant Other Observable Inputs (Level 2)
Assets
Restricted cash	12,137		7,366
Total assets	64,261		45,762
Recurring basis \| Significant Other Observable Inputs (Level 2) \| Wealth management products
Assets
Short-term investments	15,519		¥ 38,396
Marketable securities and other investments	36,592
Recurring basis \| Significant Other Observable Inputs (Level 2) \| Foreign Exchange Forward [Member]
Assets
Short-term investments	¥ 13