v3.26.1
Technology platform-based income - Summary of Technology platform based income (Detail) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue ¥ 5,588,107 ¥ 8,161,022 ¥ 15,318,744
Retail credit and enablement service fees [member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue 5,503,149 8,066,367 15,134,217
Other technology platform-based income [member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue ¥ 84,958 ¥ 94,655 ¥ 184,527