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Financial Instruments (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2021 USD ($)
Fair Value Measurements |  |  |
Equity investments with readily determinable fair values | ¥ 5,886,911 | ¥ 3,743,590 |
Short-term investments | 12,281,548 | 13,273,026 | $ 1,927,243
Investments accounted for at fair values | 194,280 |  |
Total | 18,362,739 | 17,016,616 |
Quoted Prices in Active Market for Identical Assets (Level 1) |  |  |
Fair Value Measurements |  |  |
Equity investments with readily determinable fair values | 5,886,911 | 3,743,590 |
Total | 5,886,911 | 3,743,590 |
Significant Other Observable Inputs (Level 2) |  |  |
Fair Value Measurements |  |  |
Short-term investments | 12,281,548 | 13,273,026 |
Total | 12,281,548 | 13,273,026 |
Significant Unobservable Inputs (Level 3) |  |  |
Fair Value Measurements |  |  |
Investments accounted for at fair values | 194,280 |  |
Total | 194,280 |  |
Significant Unobservable Inputs (Level 3) | Certain of equity investments |  |  |
Fair Value Measurements |  |  |
Impairment charges of certain equity investments without determinable fair value | ¥ 19,200 | ¥ 55,600 |

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