Cover Page - USD ($)	12 Months Ended
Cover Page - USD ($)	Dec. 31, 2021	Feb. 07, 2022	Jun. 30, 2021
Document Information [Line Items]
Document Type	10-K/A
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, $.001 par value 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	None.
Amendment Flag	true
Amendment Description	Citrix Systems, Inc., referred to in this report as “Citrix,” the “Company,” “we,” “us,” and “our,” is filing this Amendment No. 1 on Form 10-K/A (the “Amendment”) to its Annual Report on Form 10-K for the year ended December 31, 2021, originally filed on February 16, 2022 (the “Original Report”), for the sole purpose of including the information required by Part III of Form 10-K. This information was previously omitted from the Original Report in reliance on General Instruction G(3) to Form 10-K, which permits the information in the below referenced items to be incorporated in the Form 10-K by reference from our definitive proxy statement if such statement is filed no later than 120 days after our fiscal year end. We are filing this Amendment to provide information required in Part III of Form 10-K for the fiscal year ended December 31, 2021 because a definitive proxy statement containing such information will not be filed by the Company within 120 days after the end of the fiscal year covered by the Original Report. In accordance with Rule 12b-15 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), Part III, Items 10 through 14 of the Original Report are hereby amended and restated in their entirety, and Part IV, Items 15 and 16 of the Original Report are hereby amended and restated only with respect to the addition to Item 15 of the new certifications by our principal executive officer and principal financial officer filed herewith. Because no financial statements have been included in this Amendment and this Amendment does not contain or amend any disclosure with respect to Items 307 and 308 of Regulation S-K, paragraphs 3, 4 and 5 of the certifications have been omitted. This Amendment does not reflect events occurring after the filing of the Original Report, does not modify or update in any way the disclosures contained in the Original Report, and does not modify or update those disclosures that may be affected by subsequent events. Accordingly, this Amendment should be read in conjunction with the Original Report and with our filings with the Securities and Exchange Commission (“SEC”) subsequent to the Original Report. References in this Amendment to the Company’s website are not intended to, and do not, incorporate by reference into this Amendment any materials contained on such website.
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Entity Central Index Key	0000877890
Auditor Name	Ernst & Young LLP
Auditor Firm ID	42
Auditor Location	Boca Raton, Florida

CITRIX SYSTEMS INC 10-K/A