v3.25.4
Financial Assets At Amortized Cost - Disclosure of Movement of ECL Allowance of Financial Assets At Amortized Cost (Detail) - CNY (¥)
¥ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of movement of ECL allowance of financial assets at amortized cost [Line Items]      
Beginning balance ¥ 1,758,083 ¥ 3,411,084  
Ending balance 1,499,000 1,758,083 ¥ 3,411,084
Allowance for credit losses [member]      
Disclosure of movement of ECL allowance of financial assets at amortized cost [Line Items]      
Beginning balance 1,130,449 1,157,683 657,574
New financial assets originated or purchased     1,548
Transfers     232,385
Net impact on expected credit loss by stage transfer     232,385
Write-offs     (38,858)
Financial assets derecognized and other adjustments in the current period (including repayments of financial assets)   (80,276) (5,395)
Change in parameters of expected credit loss model 246,915 53,042 310,429
Ending balance 1,377,364 1,130,449 1,157,683
Stage 1 [member] | Allowance for credit losses [member]      
Disclosure of movement of ECL allowance of financial assets at amortized cost [Line Items]      
Beginning balance 1,012 10,407 10,608
New financial assets originated or purchased     1,548
Transfers     (3,622)
Transfers In Financial Assets At Amortised Cost From stage 1 to stage 2     (3,622)
Financial assets derecognized and other adjustments in the current period (including repayments of financial assets)   (27,179) (5,395)
Change in parameters of expected credit loss model (234) 17,784 7,268
Ending balance 778 1,012 10,407
Stage 2 [member] | Allowance for credit losses [member]      
Disclosure of movement of ECL allowance of financial assets at amortized cost [Line Items]      
Beginning balance   0 0
Transfers In Financial Assets At Amortised Cost From stage 1 to stage 2     3,622
Transfers In Financial Assets At Amortised Cost From stage 1 to stage 3     (63,386)
Net impact on expected credit loss by stage transfer     59,764
Ending balance     0
Stage 3 [member] | Allowance for credit losses [member]      
Disclosure of movement of ECL allowance of financial assets at amortized cost [Line Items]      
Beginning balance 1,129,437 1,147,276 646,966
New financial assets originated or purchased     0
Transfers     236,007
Transfers In Financial Assets At Amortised Cost From stage 1 to stage 3     63,386
Net impact on expected credit loss by stage transfer     172,621
Write-offs     (38,858)
Financial assets derecognized and other adjustments in the current period (including repayments of financial assets)   (53,097) 0
Change in parameters of expected credit loss model 247,149 35,258 303,161
Ending balance ¥ 1,376,586 ¥ 1,129,437 ¥ 1,147,276