v3.25.4
Convertible Promissory Notes Payable - Summary of Convertible Promissory Note Payable (Detail) - CNY (¥)
¥ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of Convertible Promissory Note Payable [Line Items]      
Beginning balance ¥ 5,650,268 ¥ 5,164,139  
Interest paid (626,050) (1,531,239) ¥ (1,213,186)
Ending balance 6,174,050 5,650,268 5,164,139
Convertible Promissory Note Payable [member] | Liability [Member]      
Disclosure of Convertible Promissory Note Payable [Line Items]      
Beginning balance 5,650,268 5,164,139 10,669,498
Interest accrued at effective interest rate (Note 12) 486,731 448,017 1,045,611
Interest paid (51,180) (50,900) (115,879)
Redemption And Extension Of Convertible Promissory Notes     (7,444,513)
Exchange differences 88,231 89,012 1,009,422
Ending balance 6,174,050 5,650,268 5,164,139
Convertible Promissory Note Payable [member] | Equity [member]      
Disclosure of Convertible Promissory Note Payable [Line Items]      
Beginning balance 160,185 160,185 5,744,955
Redemption And Extension Of Convertible Promissory Notes     (5,584,770)
Ending balance ¥ 160,185 ¥ 160,185 ¥ 160,185