Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2021	Feb. 07, 2022	Jun. 30, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Current Fiscal Year End Date	--12-31
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 Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
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
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 14,547,658,160
Entity Common Stock, Shares Outstanding		125,548,909
Documents Incorporated by Reference	DOCUMENTS INCORPORATED BY REFERENCEPortions of the Company’s definitive proxy statement with respect to any 2022 annual meeting of shareholders are incorporated by reference into Part III of this Annual Report on Form 10-K.
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Entity Central Index Key	0000877890