v3.26.1
Revenues - Summary of Revenues (Detail) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disaggregation of Revenue [Line Items]      
Revenues ¥ 76,719,742 ¥ 40,866,309 ¥ 30,676,067
Vehicle Sales [Member]      
Disaggregation of Revenue [Line Items]      
Revenues 68,378,920 35,829,402 28,010,857
Services And Others [Member]      
Disaggregation of Revenue [Line Items]      
Revenues ¥ 8,340,822 ¥ 5,036,907 ¥ 2,665,210