Long-term Investments - Summary of long-term investments (Details) ¥ in Thousands, $ in Thousands	Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)
Long-term Investments
Investments in equity method investees	¥ 4,516,632		¥ 6,406,167
Equity investments with readily determinable fair values	5,636,797		2,375,785
Equity investments without readily determinable fair values	8,113,373		11,104,510
Other investments	196,081		319,894
Total	¥ 18,462,883	$ 2,640,157	¥ 20,206,356

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as noncurrent.

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Amount of investment in equity security without readily determinable fair value.

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- Definition

The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

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No definition available.

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- Definition

Amount of long-term investments classified as other.

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