v3.26.1
Intangible Assets, Net - Schedule of Intangible Assets, Net (Detail) - CNY (¥)
¥ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Schedule Of Finite Lived And Indefinite Lived Intangible Assets Excluding Goodwill [Line Items]    
Gross Carrying Amount ¥ 4,912,113 ¥ 4,713,994
Accumulated amortization (1,434,388) (879,038)
Impairment Amount (36,015) (35,130)
Total 3,441,710 3,799,826
Indefinite-lived intangible assets 811,458 810,643
Total intangible assets Gross Carrying Amount 5,723,571 5,524,637
Total intangible assets - Accumulated amortization (1,434,388) (879,038)
Total intangible assets - Impairment Amount (36,015) (35,130)
Total intangible assets - Net Carrying Amount 4,253,168 4,610,469
Manufacturing License [Member]    
Schedule Of Finite Lived And Indefinite Lived Intangible Assets Excluding Goodwill [Line Items]    
Gross Carrying Amount 494,000 494,000
Total 494,000 494,000
Others [Member]    
Schedule Of Finite Lived And Indefinite Lived Intangible Assets Excluding Goodwill [Line Items]    
Gross Carrying Amount 317,458 316,643
Total 317,458 316,643
VPT [Member]    
Schedule Of Finite Lived And Indefinite Lived Intangible Assets Excluding Goodwill [Line Items]    
Gross Carrying Amount 2,586,911 2,586,911
Accumulated amortization (560,497) (301,806)
Total 2,026,414 2,285,105
Robotics Platform Technology [Member]    
Schedule Of Finite Lived And Indefinite Lived Intangible Assets Excluding Goodwill [Line Items]    
Gross Carrying Amount 777,711 777,711
Accumulated amortization (174,985) (97,214)
Total 602,726 680,497
VMT [Member]    
Schedule Of Finite Lived And Indefinite Lived Intangible Assets Excluding Goodwill [Line Items]    
Gross Carrying Amount 609,170 609,170
Accumulated amortization (172,598) (50,764)
Total 436,572 558,406
Software and Software Development Costs [Member]    
Schedule Of Finite Lived And Indefinite Lived Intangible Assets Excluding Goodwill [Line Items]    
Gross Carrying Amount 923,998 725,879
Accumulated amortization (520,148) (424,821)
Impairment Amount (36,015) (35,130)
Total 367,835 265,928
License Of Maintenance And Overhauls [Member]    
Schedule Of Finite Lived And Indefinite Lived Intangible Assets Excluding Goodwill [Line Items]    
Gross Carrying Amount 2,290 2,290
Accumulated amortization (2,290) (2,290)
Others [Member]    
Schedule Of Finite Lived And Indefinite Lived Intangible Assets Excluding Goodwill [Line Items]    
Gross Carrying Amount 12,033 12,033
Accumulated amortization (3,870) (2,143)
Total ¥ 8,163 ¥ 9,890