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, 2018 $ / shares	Mar. 31, 2018 CNY (¥) shares	Mar. 31, 2017 CNY (¥) shares	Mar. 31, 2016 CNY (¥)	Mar. 31, 2018 CNY (¥) shares
Weighted-average grant-date fair value
Share-based compensation expense \| ¥		¥ 20,075	¥ 15,995	¥ 16,082
RSUs
Summary of changes in the RSUs
Awarded and unvested at beginning of year		69,595,719
Granted		29,544,661
Vested		(26,025,540)
Cancelled/forfeited		(4,689,982)
Awarded and unvested at end of year		68,424,858	69,595,719
Expected to vest					56,965,205
Weighted-average grant-date fair value
Awarded and unvested at beginning of year \| $ / shares	$ 69.18
Granted \| $ / shares	142.05
Vested \| $ / shares	63.62
Cancelled/forfeited \| $ / shares	95.89
Awarded and unvested at end of year \| $ / shares	100.93
Expected to vest \| $ / shares	$ 99.94
Unamortized compensation costs \| ¥					¥ 18,207
Weighted average period over which unamortized compensation costs expected be recognized		2 years
Share-based compensation expense \| ¥		¥ 16,165	¥ 12,322	¥ 9,915
RSUs \| Non-employees
Summary of changes in the RSUs
Awarded and unvested at beginning of year		4,594,874
Awarded and unvested at end of year		1,983,785	4,594,874