XML 15 R1.htm IDEA: XBRL DOCUMENT v3.24.0.1
Cover page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2023
Jan. 31, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 1-16129    
Entity Registrant Name FLUOR CORPORATION    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 33-0927079    
Entity Address, Address Line One 6700 Las Colinas Boulevard    
Entity Address, City or Town Irving,    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 75039    
City Area Code 469    
Local Phone Number 398-7000    
Title of 12(b) Security Common Stock, $.01 par value per share    
Trading Symbol FLR    
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 Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 4.2
Entity Common Stock, Shares Outstanding   170,405,512  
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
Portions of the Proxy Statement for the 2024 Annual Meeting of Stockholders are incorporated by reference into Part III of this Form 10-K.
    
Entity Central Index Key 0001124198    
Amendment Flag false    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY