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Cover Page - shares
9 Months Ended
Sep. 30, 2019
Oct. 15, 2019
Cover page.    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2019  
Document Transition Report false  
Entity File Number 000-30713  
Entity Registrant Name Intuitive Surgical, Inc.  
State or Other Jurisdiction of Incorporation or Organization DE  
I.R.S. Employer Identification No. 77-0416458  
Entity Address, Address Line One 1020 Kifer Road  
Entity Address, City or Town Sunnyvale  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94086  
City Area Code 408  
Local Phone Number 523-2100  
Title of each class Common Stock, par value $0.001 per share  
Trading Symbol(s) ISRG  
Security Exchange Name NASDAQ  
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   115,573,505
Entity Central Index Key 0001035267  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3  
Amendment Flag false