v3.26.1
Intangible assets, net - Amortization (Details)
¥ in Millions, $ in Millions
Mar. 31, 2026
CNY (¥)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
CNY (¥)
Finite-Lived Intangible Assets, Net [Abstract]      
2027 ¥ 3,833    
2028 2,913    
2029 2,331    
2030 2,142    
2031 1,713    
Thereafter 4,051    
Net book value ¥ 16,983 $ 2,462 ¥ 20,911