Income Tax Expense - Summary of Reconciliation from Income Tax Calculated Based on the Applicable Tax Rates and Profit before Income Tax Expenses (Detail) - CNY (¥) ¥ in Thousands |
12 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] | |||||||||||||||||
| Profit/(loss) before income tax expense | ¥ (577,746) | ¥ (2,078,685) | ¥ 1,588,465 | ||||||||||||||
| Income tax calculated at the PRC statutory tax rate of 25% | [1] | (144,437) | (519,671) | 397,116 | |||||||||||||
| Tax effect of: | |||||||||||||||||
| Differential income tax rates applicable to subsidiaries | [2],[3],[4] | 223,805 | 209,802 | 249,204 | |||||||||||||
| Expenses and losses not deductible for tax purposes | [5] | 232,350 | 200,893 | 196,361 | |||||||||||||
| Reversal of deferred tax assets recognized in prior years | 184,647 | 261,749 | 87,926 | ||||||||||||||
| Deductible temporary differences and tax losses for which no deferred tax asset was recognized | [6] | 89,172 | 328,476 | 71,351 | |||||||||||||
| Research and development tax credit | (10,273) | (15,594) | (58,109) | ||||||||||||||
| Income not subject to tax | (20,235) | (3,608) | (4,350) | ||||||||||||||
| Withholding taxes related to dividend distributions to foreign parent company | [7] | 633,000 | 1,050,000 | 0 | |||||||||||||
| Adjustments in respect of current income tax of previous years | 4,613 | 30,043 | (89,745) | ||||||||||||||
| Utilization of previously unrecognized deferred tax assets | (54,443) | (47,716) | (72,803) | ||||||||||||||
| Effect of tax rate changes on deferred income taxes | 0 | 2,167 | (117,913) | ||||||||||||||
| Others | (4,334) | 28,289 | (23,671) | ||||||||||||||
| Income tax expenses | ¥ 1,133,865 | ¥ 1,524,830 | ¥ 635,367 | ||||||||||||||
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