Cover - shares	9 Months Ended
	Sep. 30, 2024	Nov. 05, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2024
Document Transition Report	false
Entity File Number	001-41514
Entity Registrant Name	RXO, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	88-2183384
Entity Address, Address Line One	11215 North Community House Road
Entity Address, City or Town	Charlotte
Entity Address, State or Province	NC
Entity Address, Postal Zip Code	28277
City Area Code	980
Local Phone Number	308-6058
Title of 12(b) Security	Common stock, par value $0.01 per share
Trading Symbol	RXO
Security Exchange Name	NYSE
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
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		160,790,056
Entity Central Index Key	0001929561
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q3
Amendment Flag	false