The weighted average fair value of nonvested awards on equity-based plans excluding option plans that are expected to vest (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

No definition available.

Share-based awards- RSUs (Details) ¥ in Millions	12 Months Ended
Share-based awards- RSUs (Details) ¥ in Millions	Mar. 31, 2019 $ / shares	Mar. 31, 2019 CNY (¥) shares	Mar. 31, 2018 CNY (¥) shares	Mar. 31, 2017 CNY (¥)	Mar. 31, 2019 CNY (¥) shares
Weighted-average grant-date fair value per RSU
Share-based compensation expense \| ¥		¥ 37,491	¥ 20,075	¥ 15,995
RSUs
Number of RSUs
Awarded and unvested at beginning of year		68,424,858
Granted		24,863,988
Vested		(24,337,392)
Cancelled/forfeited		(4,604,961)
Awarded and unvested at end of year		64,346,493	68,424,858
Expected to vest					53,175,748
Weighted-average grant-date fair value per RSU
Awarded and unvested at beginning of year \| $ / shares	$ 100.93
Granted \| $ / shares	181.74
Vested \| $ / shares	84.31
Cancelled/forfeited \| $ / shares	135.06
Awarded and unvested at end of year \| $ / shares	136.00
Expected to vest \| $ / shares	$ 134.59
Unamortized compensation costs \| ¥					¥ 22,432
Weighted average period over which unamortized compensation costs expected be recognized		1 year 10 months 24 days
Share-based compensation expense \| ¥		¥ 22,137	¥ 16,165	¥ 12,322
RSUs \| Non-employees
Number of RSUs
Awarded and unvested at beginning of year		1,983,785
Awarded and unvested at end of year		1,878,835	1,983,785