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LONG-TERM INVESTMENTS, NET - Changes in the long term investments (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2025 CNY (¥) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥)
--- | --- | --- | --- | --- | ---
LONG-TERM INVESTMENTS, NET |  |  |  |  |
Investments in equity method investees | ¥ 1,758,510 |  | ¥ 360,965 | ¥ 436,344 | ¥ 370,985
Investments accounted for at fair value | 5,717,276 |  | 1,014,400 |  |
Equity investments without readily determinable fair value using the NAV practical expedient | 59,446 |  | 60,691 |  |
Equity investments without readily determinable fair value using the measurement alternative | 55,681 |  | 41,377 |  |
Long-term time deposits | 11,477,840 |  | 15,568,643 |  |
Held-to-maturity debt investments | 1,079,771 |  | 1,808,331 |  |
Available-for-sale debt investments |  |  | 4,935,699 |  |
Total long-term investments | ¥ 20,148,524 | $ 2,881,201 | ¥ 23,790,106 |  |

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