Fair value measurement - Convertible and exchangeable bonds (Details) - Convertible and exchangeable bonds - Level 3 - CNY (¥) ¥ in Millions |
12 Months Ended | |
|---|---|---|
Mar. 31, 2023 |
Mar. 31, 2022 |
|
| Convertible and exchangeable bonds accounted for under the fair value option | ||
| Balance as of beginning | ¥ 7,272 | ¥ 9,645 |
| Additions | 785 | 1,915 |
| Net decrease in fair value | (373) | (2,734) |
| Disposal | (35) | (1,225) |
| Conversion | (1,492) | (162) |
| Foreign currency translation adjustments | 235 | (167) |
| Balance as of end | ¥ 6,392 | ¥ 7,272 |