Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

Share-based awards - RSUs (Details) $ / shares in Units, ¥ in Millions, $ in Millions	12 Months Ended
	Mar. 31, 2024 CNY (¥) shares	Mar. 31, 2024 USD ($) $ / shares shares	Mar. 31, 2023 CNY (¥) shares	Mar. 31, 2022 CNY (¥)	Mar. 31, 2024 $ / shares
Weighted-average grant-date fair value
Share-based compensation expense	¥ 18,546	$ 2,569	¥ 30,831	¥ 23,971
RSUs
Summary of changes in the RSUs
Awarded and unvested at beginning of year \| shares	61,288,204	61,288,204
Granted \| shares	33,687,624	33,687,624
Vested \| shares	(22,242,169)	(22,242,169)
Cancelled/forfeited \| shares	(8,287,198)	(8,287,198)
Awarded and unvested at end of year \| shares	64,446,461	64,446,461	61,288,204
Expected to vest \| shares	55,339,287
Weighted-average grant-date fair value
Awarded and unvested at beginning of year \| $ / shares		$ 155.49
Granted \| $ / shares		83.93
Vested \| $ / shares		168.18
Cancelled/forfeited \| $ / shares		131.05
Awarded and unvested at end of year \| $ / shares		$ 116.85
Expected to vest \| $ / shares					$ 120.44
Unamortized compensation costs \| ¥	¥ 15,604
Weighted average period over which unamortized compensation costs expected be recognized	1 year 10 months 24 days
Share-based compensation expense \| ¥	¥ 17,734		¥ 24,410	¥ 30,313
RSUs \| Maximum
Weighted-average grant-date fair value
Expiry period	10 years	10 years