Deferred revenue and customer advances (Details) ¥ in Millions, $ in Millions |
Mar. 31, 2023
CNY (¥)
|
Mar. 31, 2023
USD ($)
|
Mar. 31, 2022
CNY (¥)
|
|---|---|---|---|
| Contract with Customer, Liability [Abstract] | |||
| Deferred revenue | ¥ 35,350 | ¥ 32,085 | |
| Customer advances | 39,505 | 38,388 | |
| Total | 74,855 | 70,473 | |
| Less: current portion | (71,295) | $ (10,381) | (66,983) |
| Non-current portion | ¥ 3,560 | $ 518 | ¥ 3,490 |