XML 144 R121.htm IDEA: XBRL DOCUMENT v3.22.2
CONTINGENCIES AND COMMITMENTS (Details)
¥ in Billions
12 Months Ended
Mar. 31, 2022
CNY (¥)
Mar. 31, 2020
Customer
CONTINGENCIES    
Number of customer filed lawsuits against the Group | Customer   1
Total investment | ¥ ¥ 2.5