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INCOME TAXES - Reconciliation (Details) ¥ in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 CNY (¥) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2023 CNY (¥)
Amount |  |  |  |
Tax at PRC Mainland statutory tax rate | ¥ 1,825 |  |  |
Research and development expenses super deduction | (84) |  |  |
Share based compensation | 105 |  |  |
Other nontaxable nondeductible items | 4 |  |  |
Withholding Tax | 313 |  |  |
Total | ¥ 2,161 | $ 309 | ¥ 1,662 | ¥ 1,204
Tax Jurisdiction of Domicile [Extensible Enumeration] | CHINA | CHINA |  |
Percent |  |  |  |
Tax at PRC statutory tax rate | 25.00% | 25.00% | 25.00% | 25.00%
Nontaxable or nondeductible items |  |  | 4.00% | 2.00%
Statutory tax rate difference |  |  | (2.00%) | (4.00%)
Changes in Valuation Allowance |  |  | 1.00% | 0.00%
Research and development expenses super deduction | (1.15%) | (1.15%) |  |
Share based compensation | 1.44% | 1.44% |  |
Other nontaxable nondeductible items | 0.06% | 0.06% |  |
Withholding Tax | 4.29% | 4.29% |  |
Effect of tax holiday |  |  | (1.00%) | (1.00%)
Effect of cash dividends |  |  | 8.00% | 1.00%
Effective tax rate | 29.60% | 29.60% | 35.00% | 23.00%
CHINA |  |  |  |
Amount |  |  |  |
Changes in Valuation Allowance | ¥ 131 |  |  |
Others | ¥ (5) |  |  |
Percent |  |  |  |
Changes in Valuation Allowance | 1.80% | 1.80% |  |
Others | (0.08%) | (0.08%) |  |
Hong Kong |  |  |  |
Amount |  |  |  |
Statutory tax rate difference | ¥ (214) |  |  |
Percent |  |  |  |
Statutory tax rate difference | (2.93%) | (2.93%) |  |
Germany |  |  |  |
Amount |  |  |  |
Changes in Valuation Allowance | ¥ (139) |  |  |
Effect of tax rate adjustment | 131 |  |  |
Others | ¥ 24 |  |  |
Percent |  |  |  |
Changes in Valuation Allowance | (1.91%) | (1.91%) |  |
Effect of tax rate adjustment | 1.79% | 1.79% |  |
Others | 0.33% | 0.33% |  |
Other foreign jurisdictions |  |  |  |
Amount |  |  |  |
Others | ¥ 70 |  |  |
Percent |  |  |  |
Others | 0.96% | 0.96% |  |

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