v3.26.1
STOCKHOLDERS' EQUITY - Schedule of Stockholders Equity (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning balance (in shares)     355,100,000  
Beginning balance $ 17,597.2 $ 17,207.7 $ 17,941.7 $ 16,529.6
Issuance of common stock through employee stock plans 65.6 49.4 187.4 183.7
Shares withheld related to net share settlement of equity awards (13.1) (16.2) (365.4) (386.3)
Share-based compensation expense related to employee stock plans 213.0 198.6 426.8 384.5
Repurchase and retirement of common stock (379.0) (181.0) (1,506.5) (181.0)
Net income attributable to Intuitive Surgical, Inc. 818.1 658.4 1,639.6 1,356.8
Other comprehensive income (loss) (9.2) 30.4 (35.5) 54.7
Net income attributable to noncontrolling interest in joint venture $ 5.1 5.8 $ 9.6 11.1
Ending balance (in shares) 353,900,000   353,900,000  
Ending balance $ 18,297.7 17,953.1 $ 18,297.7 17,953.1
Total Intuitive Surgical, Inc. Stockholders’ Equity        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning balance 17,474.5 17,106.4 17,824.0 16,433.7
Issuance of common stock through employee stock plans 65.6 49.4 187.4 183.7
Shares withheld related to net share settlement of equity awards (13.1) (16.2) (365.4) (386.3)
Share-based compensation expense related to employee stock plans 213.0 198.6 426.8 384.5
Repurchase and retirement of common stock (379.0) (181.0) (1,506.5) (181.0)
Net income attributable to Intuitive Surgical, Inc. 818.1 658.4 1,639.6 1,356.8
Other comprehensive income (loss) (10.7) 30.1 (37.5) 54.3
Ending balance $ 18,168.4 $ 17,845.7 $ 18,168.4 $ 17,845.7
Common Stock        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning balance (in shares) 354,400,000 358,400,000 355,100,000 356,600,000
Beginning balance $ 0.4 $ 0.4 $ 0.4 $ 0.4
Issuance of common stock through employee stock plans (in shares) 400,000 400,000 2,700,000 2,800,000
Shares withheld related to net share settlement of equity awards (in shares) 0 (100,000) (700,000) (700,000)
Repurchase and retirement of common stock (in shares) (900,000) (300,000) (3,200,000) (300,000)
Ending balance (in shares) 353,900,000 358,400,000 353,900,000 358,400,000
Ending balance $ 0.4 $ 0.4 $ 0.4 $ 0.4
Additional Paid-In Capital        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning balance 11,059.9 9,993.7 10,768.5 9,681.3
Issuance of common stock through employee stock plans 65.6 49.4 187.4 183.7
Shares withheld related to net share settlement of equity awards (0.5) (0.4) (10.7) (8.2)
Share-based compensation expense related to employee stock plans 213.0 198.6 426.8 384.5
Repurchase and retirement of common stock (13.0) (4.5) (47.0) (4.5)
Ending balance 11,325.0 10,236.8 11,325.0 10,236.8
Retained Earnings        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning balance 6,397.7 7,139.4 7,011.8 6,803.3
Shares withheld related to net share settlement of equity awards (12.6) (15.8) (354.7) (378.1)
Repurchase and retirement of common stock (366.0) (176.5) (1,459.5) (176.5)
Net income attributable to Intuitive Surgical, Inc. 818.1 658.4 1,639.6 1,356.8
Ending balance 6,837.2 7,605.5 6,837.2 7,605.5
Accumulated Other Comprehensive Income        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning balance 16.5 (27.1) 43.3 (51.3)
Other comprehensive income (loss) (10.7) 30.1 (37.5) 54.3
Ending balance 5.8 3.0 5.8 3.0
Noncontrolling Interest in Joint Venture        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning balance 122.7 101.3 117.7 95.9
Other comprehensive income (loss) 1.5 0.3 2.0 0.4
Net income attributable to noncontrolling interest in joint venture 5.1 5.8 9.6 11.1
Ending balance $ 129.3 $ 107.4 $ 129.3 $ 107.4