v3.26.1
Cover Page - shares
 6 Months Ended
Jul. 03, 2026
Jul. 27, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jul. 03, 2026  
Document Transition Report false  
Entity File Number 1-42633  
Entity Registrant Name Ralliant Corporation  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 99-5127620  
Entity Address, Address Line One 4114 Center at North Hills Street  
Entity Address, Address Line Two Suite 400  
Entity Address, City or Town Raleigh  
Entity Address, State or Province NC  
Entity Address, Postal Zip Code 27609  
City Area Code 984  
Local Phone Number 375-7255  
Title of 12(b) Security Common stock, par value $0.01 per share  
Trading Symbol RAL  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   110,640,008
Amendment flag false  
Document fiscal year focus 2026  
Document fiscal period focus Q2  
Entity central index key 0002041385  
Current fiscal year end date --12-31