SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Inventories - Impact on income statement (Details) ¥ / shares in Units, $ / shares in Units, ¥ in Thousands, $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
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Dec. 31, 2025
CNY (¥)
¥ / shares
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Dec. 31, 2025
USD ($)
$ / shares
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Dec. 31, 2024
CNY (¥)
¥ / shares
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Dec. 31, 2023
CNY (¥)
¥ / shares
|
|
| SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | ||||
| Cost of materials | ¥ (18,783,453) | $ (2,680,938) | ¥ (14,083,291) | ¥ (10,897,409) |
| Total operating expenses | (44,215,160) | (6,310,772) | (30,904,745) | (21,882,743) |
| Operating income | 5,072,935 | 724,053 | 3,570,069 | 3,020,423 |
| Income before income taxes | 5,280,175 | 753,632 | 3,726,262 | 3,102,164 |
| Income tax expense | (1,679,793) | (239,755) | (770,553) | (258,127) |
| Net income | 3,600,382 | 513,877 | 2,955,709 | 2,844,037 |
| Net income attributable to the Company's ordinary shareholders | ¥ 3,600,382 | $ 513,877 | ¥ 2,955,709 | ¥ 2,844,037 |
| Net income per share: | ||||
| Basic | (per share) | ¥ 1.4 | $ 0.2 | ¥ 1.16 | ¥ 1.12 |
| Diluted | (per share) | ¥ 1.4 | $ 0.2 | ¥ 1.16 | ¥ 1.12 |
| Total comprehensive income | ¥ 3,493,488 | $ 498,620 | ¥ 2,997,301 | ¥ 2,843,677 |
| Total comprehensive income attributable to the Company's ordinary shareholders | ¥ 3,493,488 | $ 498,620 | ¥ 2,997,301 | ¥ 2,843,677 |
| ADS | ||||
| Net income per share: | ||||
| Basic | ¥ / shares | ¥ 11.2 | ¥ 9.28 | ¥ 8.96 | |
| Diluted | ¥ / shares | ¥ 11.2 | ¥ 9.28 | ¥ 8.96 | |
| As previously reported | ||||
| SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | ||||
| Cost of materials | ¥ (18,777,806) | ¥ (14,115,299) | ¥ (10,892,214) | |
| Total operating expenses | (44,209,513) | (30,936,753) | (21,877,548) | |
| Operating income | 5,078,582 | 3,538,061 | 3,025,618 | |
| Income before income taxes | 5,285,822 | 3,694,254 | 3,107,359 | |
| Income tax expense | (1,681,205) | (762,551) | (259,426) | |
| Net income | 3,604,617 | 2,931,703 | 2,847,933 | |
| Net income attributable to the Company's ordinary shareholders | ¥ 3,604,617 | ¥ 2,931,703 | ¥ 2,847,933 | |
| Net income per share: | ||||
| Basic | ¥ / shares | ¥ 1.41 | ¥ 1.15 | ¥ 1.12 | |
| Diluted | ¥ / shares | ¥ 1.4 | ¥ 1.15 | ¥ 1.12 | |
| Total comprehensive income | ¥ 3,497,723 | ¥ 2,973,295 | ¥ 2,847,573 | |
| Total comprehensive income attributable to the Company's ordinary shareholders | ¥ 3,497,723 | ¥ 2,973,295 | ¥ 2,847,573 | |
| As previously reported | ADS | ||||
| Net income per share: | ||||
| Basic | ¥ / shares | ¥ 11.28 | ¥ 9.2 | ¥ 8.96 | |
| Diluted | ¥ / shares | ¥ 11.2 | ¥ 9.2 | ¥ 8.96 | |
| Effect of Change | ||||
| SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | ||||
| Cost of materials | ¥ (5,647) | ¥ 32,008 | ¥ (5,195) | |
| Total operating expenses | (5,647) | 32,008 | (5,195) | |
| Operating income | (5,647) | 32,008 | (5,195) | |
| Income before income taxes | (5,647) | 32,008 | (5,195) | |
| Income tax expense | 1,412 | (8,002) | 1,299 | |
| Net income | (4,235) | 24,006 | (3,896) | |
| Net income attributable to the Company's ordinary shareholders | ¥ (4,235) | ¥ 24,006 | ¥ (3,896) | |
| Net income per share: | ||||
| Basic | ¥ / shares | ¥ (0.01) | ¥ 0.01 | ¥ 0 | |
| Diluted | ¥ / shares | ¥ 0 | ¥ 0.01 | ¥ 0 | |
| Total comprehensive income | ¥ (4,235) | ¥ 24,006 | ¥ (3,896) | |
| Total comprehensive income attributable to the Company's ordinary shareholders | ¥ (4,235) | ¥ 24,006 | ¥ (3,896) | |
| Effect of Change | ADS | ||||
| Net income per share: | ||||
| Basic | ¥ / shares | ¥ (0.08) | ¥ 0.08 | ¥ 0 | |
| Diluted | ¥ / shares | ¥ 0 | ¥ 0.08 | ¥ 0 | |
| X | ||||||||||
- 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 after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Cost of material used for good produced and service rendered. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. 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/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 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, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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