Document and Entity Information - shares	3 Months Ended
	Apr. 30, 2019	May 31, 2019
Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Apr. 30, 2019
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Trading Symbol	ZM
Entity Registrant Name	Zoom Video Communications, Inc.
Entity Central Index Key	0001585521
Current Fiscal Year End Date	--01-31
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Class A Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		32,144,001
Class B Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		240,308,490