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Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Jan. 31, 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 1-4364    
Entity Registrant Name RYDER SYSTEM, INC.    
Entity Incorporation, State or Country Code FL    
Entity Tax Identification Number 59-0739250    
Entity Address, Address Line One 11690 N.W. 105th Street    
Entity Address, City or Town Miami,    
Entity Address, State or Province FL    
Entity Address, Postal Zip Code 33178    
City Area Code (305)    
Local Phone Number 500-3726    
Title of 12(b) Security Ryder System, Inc. Common Stock ($0.50 par value)    
Trading Symbol R    
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    
Entity Shell Company false    
Entity Public Float     $ 3,897
Entity Common Stock, Shares Outstanding   53,799,759  
Entity Central Index Key 0000085961    
Amendment Flag false    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Documents Incorporated by Reference
Documents Incorporated by Reference into this Report    Part of Form 10-K into which Document is Incorporated
Ryder System, Inc. 2022 Proxy Statement    Part III