Optionally Convertible Promissory Notes - Additional Information (Detail) ¥ in Thousands, $ in Millions |
12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
|
Sep. 30, 2023
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2023
CNY (¥)
|
Dec. 31, 2022
CNY (¥)
|
Jan. 01, 2022
CNY (¥)
|
Sep. 30, 2020
CNY (¥)
|
Sep. 30, 2020
USD ($)
|
|
| Disclosure Of ordinary shares to be issued to the holders of optionally convertible promissory notes [Line Items] | |||||||
| Notes issued | ¥ 6,174,050 | ¥ 5,650,268 | ¥ 5,164,139 | ¥ 10,669,498 | |||
| Repayment of optionally convertible promissory notes | ¥ 0 | ¥ 8,342,096 | ¥ 0 | ||||
| Loan interest rate | 6.00% | 6.00% | |||||
| Optionally convertible promissory notes [member] | |||||||
| Disclosure Of ordinary shares to be issued to the holders of optionally convertible promissory notes [Line Items] | |||||||
| Borrowings maturity date | Sep. 30, 2023 | ||||||
| Notes issued | ¥ 7,884,000 | $ 1,158 | |||||
| Repayment of optionally convertible promissory notes | $ | $ 1,227 | ||||||