| Cover Page - USD ($) | 12 Months Ended | ||
| 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 |
