v3.25.2
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2025
Aug. 08, 2025
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2025  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Trading Symbol KYMR  
Entity Registrant Name KYMERA THERAPEUTICS, INC.  
Entity Central Index Key 0001815442  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Common Stock, Shares Outstanding   71,497,597
Entity Shell Company false  
Entity File Number 001-39460  
Entity Tax Identification Number 81-2992166  
Entity Address, Address Line One 500 North Beacon Street  
Entity Address, Address Line Two 4th Floor  
Entity Address, City or Town Watertown  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 02472  
City Area Code 857  
Local Phone Number 285-5300  
Entity Interactive Data Current Yes  
Entity Incorporation, State or Country Code DE  
Document Quarterly Report true  
Document Transition Report false  
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Security Exchange Name NASDAQ