Cover Page - shares	3 Months Ended
	Apr. 30, 2020	May 29, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Apr. 30, 2020
Document Transition Report	false
Entity File Number	001-38069
Entity Registrant Name	CLOUDERA, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-2922329
Entity Address, Address Line One	395 Page Mill Road
Entity Address, City or Town	Palo Alto
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94306
City Area Code	650
Local Phone Number	362-0488
Title of 12(b) Security	Common Stock, $0.00005 par value
Trading Symbol	CLDR
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		295,391,403
Entity Central Index Key	0001535379
Current Fiscal Year End Date	--01-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Amendment Flag	false