v3.25.3
Cover Page - shares
9 Months Ended
Sep. 27, 2025
Oct. 31, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2025  
Amendment Flag false  
Entity Interactive Data Current Yes  
Current Fiscal Year End Date --12-31  
Entity Central Index Key 0001000697  
Document Period End Date Sep. 27, 2025  
Entity Registrant Name Waters Corporation  
Entity File Number 001-14010  
Entity Tax Identification Number 13-3668640  
Entity Incorporation, State or Country Code DE  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Shell Company false  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Address, Address Line One 34 Maple Street  
Entity Address, City or Town Milford  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 01757  
City Area Code 508  
Local Phone Number 478-2000  
Trading Symbol WAT  
Security Exchange Name NYSE  
Title of 12(b) Security Common Stock, par value $0.01 per share  
Entity Common Stock, Shares Outstanding   59,534,740