Cover - shares	9 Months Ended
	Oct. 31, 2019	Nov. 22, 2019
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Amendment Flag	false
Document Period End Date	Oct. 31, 2019
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
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
Entity Shell Company	false
Entity Current Reporting Status	Yes
Class A Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		111,794,527
Class B Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		164,607,288