v3.25.4
Material Accounting Policies - Additional Information (Detail)
1 Months Ended 12 Months Ended
Jan. 30, 2023
CNY (¥)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2018
CNY (¥)
Dec. 31, 2024
$ / shares
Jan. 01, 2023
CNY (¥)
Accounting policies [line items]                  
Financial liabilities measured at FVPL   ¥ 0 ¥ 0 ¥ 0          
Forecast period used for impairment testing   The Group bases its impairment calculation on the most recent budgets and forecast calculations, which are prepared separately for each of the Group’s cash-generating units to which the individual assets are allocated. These budgets and forecast calculations generally cover a period of 5 years. A long-term growth rate is calculated and applied to project future cash flows after the five-year period.              
Increase (decrease) through treasury share transactions, equity   ¥ 0              
Right of use assets depreciation policy   Right-of-use assets are depreciated on a straight-line basis over the shorter of the lease term and the estimated useful lives of the assets, as follows:     •   Plant and machinery: 3 to 15 years     •   Motor vehicles and other equipment: 3 to 5 years              
Par value per share | $ / shares               $ 0.00001  
Other payables [1]   ¥ 298,766,000 238,338,000 426,713,000          
Contract liabilities   827,975,000 2,187,080,000 3,067,715,000          
Third Party Entity A [Member]                  
Accounting policies [line items]                  
Current debt instruments issued                 ¥ 3,840,000,000
Proceeds from current borrowings ¥ 940,000,000     940,000,000 ¥ 2,110,000,000 ¥ 2,110,000,000      
Third Party Entity B [Member]                  
Accounting policies [line items]                  
Proceeds from current borrowings             ¥ 90,000,000.00    
Third Party Entity C [Member]                  
Accounting policies [line items]                  
Proceeds from current borrowings           700,000,000      
Payments to acquire distressed assets           ¥ 700,000,000      
Third Party Entity [Member]                  
Accounting policies [line items]                  
Increase (decrease) in fair value of credit derivatives     1,898,000,000 ¥ 786,000,000          
Other payables     ¥ 1,527,000,000            
Contract liabilities   ¥ 710,000,000              
[1] Others comprise miscellaneous items including advances from customers and others with immaterial individual balances.