Convertible Promissory Notes Payable - Summary of Convertible Promissory Note Payable (Detail) - CNY (¥) ¥ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of Convertible Promissory Note Payable [Line Items] | |||
| Beginning balance | ¥ 6,174,050 | ||
| Interest paid | (528,166) | ¥ (677,316) | ¥ (1,531,239) |
| Ending balance | 6,503,803 | 6,174,050 | |
| Convertible Promissory Note Payable [member] | Liability [Member] | |||
| Disclosure of Convertible Promissory Note Payable [Line Items] | |||
| Beginning balance | 6,174,050 | 5,650,268 | 5,164,139 |
| Interest accrued at effective interest rate (Note 12) | 526,111 | 486,731 | 448,017 |
| Interest paid | (51,597) | (51,180) | (50,900) |
| Exchange differences | (144,761) | 88,231 | 89,012 |
| Ending balance | 6,503,803 | 6,174,050 | 5,650,268 |
| Convertible Promissory Note Payable [member] | Equity [member] | |||
| Disclosure of Convertible Promissory Note Payable [Line Items] | |||
| Beginning balance | 160,185 | 160,185 | 160,185 |
| Ending balance | ¥ 160,185 | ¥ 160,185 | ¥ 160,185 |