v3.26.1
Summary of significant accounting policies- Various (Details)
¥ in Millions
12 Months Ended
Mar. 31, 2026
CNY (¥)
Mar. 31, 2025
CNY (¥)
Segment
Mar. 31, 2024
CNY (¥)
Business combinations and noncontrolling interests      
Net (loss) income attributable to mezzanine equity holders ¥ 950 ¥ 64 ¥ 181
Segment reporting      
Number of reportable segment | Segment   6  
Revenue recognition      
Practical expedient, financing component true    
Revenue, Remaining Performance Obligation, Optional Exemption, Performance Obligation [true false] true    
Sales and marketing expenses      
Advertising and promotional expenses ¥ 214,246 ¥ 113,573 88,217
Other employee benefits      
Contribution amount charged to the consolidated income statements 13,083 14,329 ¥ 14,190
Income taxes      
Income (Loss) from Continuing Operations before Income Taxes, Domestic 136,551    
Income (Loss) from Continuing Operations before Income Taxes, Foreign 7,164    
Short-term investments      
Short-term investments 155,310 228,826  
Unrestricted investment 155,236 228,169  
Accounts receivable      
Allowance for doubtful accounts ¥ 8,093 9,307  
Equity securities and other investments      
Treasury investment original maturity term 1 year    
Short-Term Investments [Member]      
Short-term investments      
Treasury investments carrying value ¥ 74 ¥ 657  
Minimum      
Equity securities and other investments      
Treasury investment original maturity term 1 year    
Treasury investment remaining maturity term 1 year    
Maximum      
Equity securities and other investments      
Treasury investment remaining maturity term 5 years