Cover Page	6 Months Ended
	Jun. 30, 2019 shares
Cover page.
Document Transition Report	false
Document Quarterly Report	true
Title of 12(b) Security	Common Stock
Entity Incorporation, State or Country Code	FL
Entity Registrant Name	RYDER SYSTEM, INC.
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Central Index Key	0000085961
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Entity File Number	1-4364
Document Period End Date	Jun. 30, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Common Stock, Shares Outstanding (in shares)	53,334,512
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
Trading Symbol	R
Security Exchange Name	NYSE
City Area Code	(305)
Local Phone Number	500-3726