v3.26.1
Loans To Customers - Summary of Movement In Loans To Customers (Detail) - CNY (¥)
¥ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Acquisition of subsidiaries   ¥ 8,612  
Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Beginning balance ¥ 183,910,499    
Ending balance 188,919,371 183,910,499  
Loans and receivables, category [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Beginning balance 118,954,503    
Ending balance 112,443,390 118,954,503  
Loans and receivables, category [member] | Gross carrying amount [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Beginning balance 120,052,189 136,967,787 ¥ 218,509,623
New loans originated 156,689,847 149,102,654 126,598,504
Acquisition of subsidiaries   2,147,512  
Loans derecognized and other adjustments in the current period (including repayments of loans) (156,424,051) (161,919,220) (201,568,474)
Write-offs (6,705,917) (6,246,544) (6,571,866)
Ending balance 113,612,068 120,052,189 136,967,787
Loans and receivables, category [member] | Gross carrying amount [member] | Financial instruments not credit-impaired [member] | 12-month expected credit losses [member] | Stage 1 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Beginning balance 116,165,300 132,367,125 213,091,088
New loans originated 156,689,847 149,102,654 126,598,504
Acquisition of subsidiaries   2,031,369  
Loans derecognized and other adjustments in the current period (including repayments of loans) (152,657,480) (155,003,034) (186,954,113)
Ending balance 106,120,462 116,165,300 132,367,125
Loans and receivables, category [member] | Gross carrying amount [member] | Financial instruments not credit-impaired [member] | Lifetime expected credit losses [member] | Stage 2 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Beginning balance 1,749,776 2,813,797 3,960,712
Acquisition of subsidiaries   25,778  
Loans derecognized and other adjustments in the current period (including repayments of loans) (3,710,883) (6,770,877) (14,425,652)
Ending balance 3,583,895 1,749,776 2,813,797
Loans and receivables, category [member] | Gross carrying amount [member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Stage 3 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Beginning balance 2,137,113 1,786,865 1,457,823
Acquisition of subsidiaries   90,365  
Loans derecognized and other adjustments in the current period (including repayments of loans) (55,688) (145,309) (188,709)
Write-offs (6,705,917) (6,246,544) (6,571,866)
Ending balance 3,907,711 2,137,113 1,786,865
Loans and receivables, category [member] | Gross carrying amount [member] | — From stage 1 to stage 2 | Financial instruments not credit-impaired [member] | 12-month expected credit losses [member] | Stage 1 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers (14,562,381) (12,773,218) (21,110,727)
Loans and receivables, category [member] | Gross carrying amount [member] | — From stage 1 to stage 2 | Financial instruments not credit-impaired [member] | Lifetime expected credit losses [member] | Stage 2 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers 14,562,381 12,773,218 21,110,727
Loans and receivables, category [member] | Gross carrying amount [member] | — From stage 2 to stage 1 | Financial instruments not credit-impaired [member] | 12-month expected credit losses [member] | Stage 1 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers 485,176 440,404 742,373
Loans and receivables, category [member] | Gross carrying amount [member] | — From stage 2 to stage 1 | Financial instruments not credit-impaired [member] | Lifetime expected credit losses [member] | Stage 2 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers (485,176) (440,404) (742,373)
Loans and receivables, category [member] | Gross carrying amount [member] | — From stage 2 to stage 3 | Financial instruments not credit-impaired [member] | Lifetime expected credit losses [member] | Stage 2 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers (8,538,224) (6,680,981) (7,097,203)
Loans and receivables, category [member] | Gross carrying amount [member] | — From stage 2 to stage 3 | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Stage 3 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers 8,538,224 6,680,981 7,097,203
Loans and receivables, category [member] | Gross carrying amount [member] | — From stage 3 to stage 2 | Financial instruments not credit-impaired [member] | Lifetime expected credit losses [member] | Stage 2 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers 6,021 29,245 7,586
Loans and receivables, category [member] | Gross carrying amount [member] | — From stage 3 to stage 2 | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Stage 3 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers (6,021) (29,245) (7,586)
Loans and receivables, category [member] | Accumulated Impairment [Member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Beginning balance (8,543,520) (7,273,833) (7,062,978)
New loans originated 3,865,466 3,441,606 1,929,629
Acquisition of subsidiaries   20,779  
Loans derecognized and other adjustments in the current period (including repayments of loans) (6,067,790) (3,766,404) (2,863,117)
Remeasurements 11,142,225 7,494,419 7,507,078
Write-offs (6,705,917) (6,246,544) (6,571,866)
Recovery of loans written off previously 543,590 325,831 209,131
Ending balance (11,321,094) (8,543,520) (7,273,833)
Loans and receivables, category [member] | Accumulated Impairment [Member] | Financial instruments not credit-impaired [member] | 12-month expected credit losses [member] | Stage 1 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Beginning balance (5,740,230) (4,433,965) (4,481,912)
New loans originated 3,865,466 3,441,606 1,929,629
Acquisition of subsidiaries   10,178  
Loans derecognized and other adjustments in the current period (including repayments of loans) (4,687,017) (3,217,060) (2,277,971)
Remeasurements 6,148,488 6,166,310 6,150,381
Ending balance (5,498,010) (5,740,230) (4,433,965)
Loans and receivables, category [member] | Accumulated Impairment [Member] | Financial instruments not credit-impaired [member] | Lifetime expected credit losses [member] | Stage 2 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Beginning balance (1,084,589) (1,152,069) (1,197,126)
Acquisition of subsidiaries   166  
Loans derecognized and other adjustments in the current period (including repayments of loans) (1,009,298) (355,499) (400,954)
Remeasurements 4,226,681 652,407 707,994
Ending balance (2,663,206) (1,084,589) (1,152,069)
Loans and receivables, category [member] | Accumulated Impairment [Member] | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Stage 3 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Beginning balance (1,718,701) (1,687,799) (1,383,940)
Acquisition of subsidiaries   10,435  
Loans derecognized and other adjustments in the current period (including repayments of loans) (371,475) (193,845) (184,192)
Remeasurements 767,056 675,702 648,703
Write-offs (6,705,917) (6,246,544) (6,571,866)
Recovery of loans written off previously 543,590 325,831 209,131
Ending balance (3,159,878) (1,718,701) (1,687,799)
Loans and receivables, category [member] | Accumulated Impairment [Member] | — From stage 1 to stage 2 | Financial instruments not credit-impaired [member] | 12-month expected credit losses [member] | Stage 1 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers (5,865,285) (5,254,705) (6,016,218)
Loans and receivables, category [member] | Accumulated Impairment [Member] | — From stage 1 to stage 2 | Financial instruments not credit-impaired [member] | Lifetime expected credit losses [member] | Stage 2 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers 5,865,285 5,254,705 6,016,218
Loans and receivables, category [member] | Accumulated Impairment [Member] | — From stage 2 to stage 1 | Financial instruments not credit-impaired [member] | 12-month expected credit losses [member] | Stage 1 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers 296,128 159,936 166,232
Loans and receivables, category [member] | Accumulated Impairment [Member] | — From stage 2 to stage 1 | Financial instruments not credit-impaired [member] | Lifetime expected credit losses [member] | Stage 2 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers (296,128) (159,936) (166,232)
Loans and receivables, category [member] | Accumulated Impairment [Member] | — From stage 2 to stage 3 | Financial instruments not credit-impaired [member] | Lifetime expected credit losses [member] | Stage 2 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers (7,212,690) (5,486,549) (6,209,153)
Loans and receivables, category [member] | Accumulated Impairment [Member] | — From stage 2 to stage 3 | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Stage 3 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers 7,212,690 5,486,549 6,209,153
Loans and receivables, category [member] | Accumulated Impairment [Member] | — From stage 3 to stage 2 | Financial instruments not credit-impaired [member] | Lifetime expected credit losses [member] | Stage 2 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers 4,767 27,226 7,070
Loans and receivables, category [member] | Accumulated Impairment [Member] | — From stage 3 to stage 2 | Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Stage 3 [member]      
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items]      
Transfers ¥ (4,767) ¥ (27,226) ¥ (7,070)