Cover Page - shares	3 Months Ended
	Mar. 31, 2021	Apr. 29, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
Document Transition Report	false
Entity File Number	0-27084
Entity Registrant Name	CITRIX SYSTEMS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	75-2275152
Entity Address, Address Line One	851 West Cypress Creek Road
Entity Address, City or Town	Fort Lauderdale
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33309
City Area Code	954
Local Phone Number	267-3000
Title of 12(b) Security	Common Stock, par value $.001 per share
Trading Symbol	CTXS
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		124,167,045
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Entity Central Index Key	0000877890
Current Fiscal Year End Date	--12-31