v3.26.1
Parent company only condensed financial information - Schedule of Condensed Statements of Cash Flows (Details)
¥ in Millions, $ in Millions
 12 Months Ended
Mar. 31, 2026
CNY (¥)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
CNY (¥)
Mar. 31, 2024
CNY (¥)
Condensed Cash Flow Statements, Captions [Line Items]        
Net cash provided by operating activities ¥ 76,213 $ 11,049 ¥ 163,509 ¥ 182,593
Net cash used in investing activities (67,336) (9,762) (185,415) (21,824)
Issuance of ordinary shares 1,042 151 10 843
Repurchase of ordinary shares (7,638) (1,107) (86,662) (88,745)
Repayment of unsecured senior notes 0 0 (16,220) (5,013)
Repayment of bank borrowings (78,458) (11,374) (43,678) (13,092)
Proceeds from unsecured senior notes, net of debt issuance cost 0 0 35,979 0
Proceeds from convertible unsecured senior notes, net of debt issuance cost 22,276 3,229 35,665 0
Payments for capped call transactions (1,309) (189) (4,612) 0
Proceeds From Exchangeable Bonds Net Of Debt Issuance Cost 10,986 1,593 0 0
Net cash used in financing activities (20,573) (2,983) (76,215) (108,244)
Effect of exchange rate changes on cash and cash equivalents, restricted cash and escrow receivables (4,004) (580) 965 4,389
Increase (Decrease) in cash and cash equivalents, restricted cash and escrow receivables (15,700) (2,276) (97,156) 56,914
Cash and cash equivalents, restricted cash and escrow receivables at beginning of year 189,268 27,438 286,424 229,510
Cash and cash equivalents, restricted cash and escrow receivables at end of year 173,568 $ 25,162 189,268 286,424
Parent Company and VIE        
Condensed Cash Flow Statements, Captions [Line Items]        
Net cash provided by operating activities 99,551   51,728 93,308
Repayments from (Advances to and investments in) subsidiaries and VIEs, and others (99,207)   (54,809) 11,838
Net cash used in investing activities (99,207)   (54,809) 11,838
Issuance of ordinary shares 1,042   10 843
Advances from subsidiaries 30,191   73,526 6,195
Repurchase of ordinary shares (7,638)   (86,662) (88,745)
Dividend distribution (33,732)   (29,077) (17,946)
Repayment of unsecured senior notes 0   (16,220) (5,013)
Repayment of bank borrowings (22,357)   (6,067) 0
Proceeds from unsecured senior notes, net of debt issuance cost 0   35,979 0
Proceeds from convertible unsecured senior notes, net of debt issuance cost 22,276   35,665 0
Payments for capped call transactions (1,309)   (4,612) 0
Proceeds From Exchangeable Bonds Net Of Debt Issuance Cost 10,986      
Net cash used in financing activities (541)   2,542 (104,666)
Effect of exchange rate changes on cash and cash equivalents, restricted cash and escrow receivables (70)   43 58
Increase (Decrease) in cash and cash equivalents, restricted cash and escrow receivables (267)   (496) 538
Cash and cash equivalents, restricted cash and escrow receivables at beginning of year 618   1,114 576
Cash and cash equivalents, restricted cash and escrow receivables at end of year ¥ 351   ¥ 618 ¥ 1,114