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Fair value measurement - Convertible and exchangeable bonds (Details) - Convertible and exchangeable bonds - Level 3 - CNY (¥) ¥ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Convertible and exchangeable bonds accounted for under the fair value option |  |
Balance as of beginning | ¥ 9,645 | ¥ 3,995
Additions | 1,915 | 4,477
Net increase (decrease) in fair value | (2,734) | 1,306
Disposal | (1,225) |
Conversion | (162) |
Foreign currency translation adjustments | (167) | (133)
Balance as of end | ¥ 7,272 | ¥ 9,645

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