v3.26.1
Supplier Finance Programs - General (Details) - CNY (¥)
¥ in Millions
Mar. 31, 2026
Mar. 31, 2025
Supplier Finance Program [Line Items]    
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration] Accounts Payable and Accrued Liabilities, Current  
Supplier Finance Programs    
Supplier Finance Program [Line Items]    
Treasury investments carrying value ¥ 0 ¥ 1,500
Maximum    
Supplier Finance Program [Line Items]    
SCF payment terms 180 days