Condensed Financial Information of the Company - Statements of comprehensive income (Details) ¥ in Thousands, $ in Thousands |
12 Months Ended | |||
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Dec. 31, 2025
CNY (¥)
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Dec. 31, 2025
USD ($)
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Dec. 31, 2024
CNY (¥)
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Dec. 31, 2023
CNY (¥)
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| Statements of comprehensive income | ||||
| Total operating expenses | ¥ (149,941,829) | $ (21,441,396) | ¥ (131,512,861) | ¥ (97,216,866) |
| Operating profit | 93,102,131 | 13,313,428 | 108,422,862 | 58,698,762 |
| Interest income | 25,583,848 | 3,658,442 | 20,553,493 | 10,238,080 |
| Interest expenses | (43,987) | |||
| Other income/(loss), net | 2,726,933 | 389,946 | 3,119,847 | 2,952,579 |
| Share of losses from subsidiaries, the VIE and subsidiaries of the VIE | 129,005 | 18,447 | 17,225 | (4,707) |
| Profit before income tax | 119,575,295 | 17,099,040 | 132,701,293 | 71,876,448 |
| Income tax expenses | (21,732,756) | (3,107,743) | (20,266,781) | (11,849,904) |
| Net Income (Loss) | 97,842,539 | 13,991,297 | 112,434,512 | 60,026,544 |
| Other comprehensive income | ||||
| Foreign currency translation difference, net of tax of nil | (5,476,543) | (783,135) | 2,605,982 | 1,332,984 |
| Unrealized gains/(losses) on available-for-sale debt securities, net of tax | (232,319) | (33,221) | 494,803 | 68,538 |
| Total other comprehensive income/(loss) | (5,708,862) | (816,356) | 3,100,785 | 1,401,522 |
| Comprehensive income | 92,133,677 | 13,174,941 | 115,535,297 | 61,428,066 |
| Foreign currency translation difference, tax | 0 | 0 | 0 | |
| Parent Company | Reportable legal entity | ||||
| Statements of comprehensive income | ||||
| Total operating expenses | (154,054) | (22,030) | (47,546) | (156,391) |
| Operating profit | (154,054) | (22,030) | (47,546) | (156,391) |
| Interest income | 685 | 98 | 375 | 6,269 |
| Interest expenses | (43,987) | |||
| Other income/(loss), net | 152,705 | 21,837 | (19) | 107,664 |
| Share of losses from subsidiaries, the VIE and subsidiaries of the VIE | 97,843,203 | 13,991,392 | 112,481,702 | 60,112,989 |
| Profit before income tax | 97,842,539 | 13,991,297 | 112,434,512 | 60,026,544 |
| Income tax expenses | 0 | 0 | 0 | 0 |
| Net Income (Loss) | 97,842,539 | 13,991,297 | 112,434,512 | 60,026,544 |
| Other comprehensive income | ||||
| Foreign currency translation difference, net of tax of nil | (5,476,543) | (783,135) | 2,605,982 | 1,332,984 |
| Unrealized gains/(losses) on available-for-sale debt securities, net of tax | (232,319) | (33,221) | 494,803 | 68,538 |
| Total other comprehensive income/(loss) | (5,708,862) | (816,356) | 3,100,785 | 1,401,522 |
| Comprehensive income | 92,133,677 | $ 13,174,941 | 115,535,297 | 61,428,066 |
| Foreign currency translation difference, tax | ¥ 0 | ¥ 0 | ¥ 0 | |
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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/disclosureRef
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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