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Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2024
Feb. 21, 2025
Jun. 28, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 1-13179    
Entity Registrant Name FLOWSERVE CORP    
Entity Incorporation, State or Country Code NY    
Entity Tax Identification Number 31-0267900    
Entity Address, City or Town Irving,    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 75039    
City Area Code (972)    
Local Phone Number 443-6500    
Title of 12(b) Security Common Stock, $1.25 Par Value    
Trading Symbol FLS    
Security Exchange Name NYSE    
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 false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 3,676,745,049
Entity Common Stock, Shares Outstanding   131,745,177  
Documents Incorporated by Reference
Certain information contained in the definitive proxy statement for the registrant’s 2025 Annual Meeting of Shareholders to be filed pursuant to Regulation 14A within 120 days after the end of the registrant's fiscal year covered by the report is incorporated by reference into Part III hereof.
    
Entity Central Index Key 0000030625    
Amendment Flag false    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Entity Address, Address Line One 5215 N. O'Connor Boulevard Suite 700,