Fair Value Measurement - Fair value hierarchy (Details) - CNY (¥) ¥ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Nonrecurring | ||
| Fair Value Measurements | ||
| Assets fair value | ¥ 0 | ¥ 0 |
| Liabilities fair value | 0 | 0 |
| Impairment charge | 0 | 0 |
| Level 1 | Recurring | ||
| Fair Value Measurements | ||
| Assets fair value | 138,715,195 | 75,814,754 |
| Level 1 | Recurring | Money Market Funds | ||
| Fair Value Measurements | ||
| Cash equivalents | 72,681,599 | 31,335,350 |
| Level 1 | Recurring | Equity securities | ||
| Fair Value Measurements | ||
| Short-term investments | 66,033,596 | 44,479,404 |
| Level 2 | Recurring | ||
| Fair Value Measurements | ||
| Assets fair value | 51,749,817 | 30,174,210 |
| Level 2 | Recurring | Available-for-sale debt securities | ||
| Fair Value Measurements | ||
| Short-term investments | 19,599,692 | 6,319,014 |
| Other non-current assets | 32,150,125 | 23,855,196 |
| Level 3 | Recurring | ||
| Fair Value Measurements | ||
| Assets fair value | 494,889 | 506,126 |
| Level 3 | Recurring | Investments in convertible bonds | ||
| Fair Value Measurements | ||
| Short-term investments | ¥ 494,889 | ¥ 506,126 |
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- Definition The amount by which the fair value of an assets and liabilities is less than the amortized cost basis or carrying amount of that assets and liabilities at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. No definition available.
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- Definition Fair value portion of other assets noncurrent No definition available.
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- Definition Fair value portion of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value of financial and nonfinancial obligations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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