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NET INCOME PER SHARE (Tables)
3 Months Ended
Mar. 31, 2024
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Net Income Per Share
The following table presents the computation of basic and diluted net income per share attributable to Intuitive Surgical, Inc. (in millions, except per share amounts):
 Three Months Ended March 31,
 20242023
Numerator:
Net income attributable to Intuitive Surgical, Inc.$544.9 $355.3 
Denominator:
Weighted-average shares outstanding used in basic calculation353.5 350.2 
Add: dilutive effect of potential common shares7.0 5.8 
Weighted-average shares outstanding used in diluted calculation360.5 356.0 
Net income per share attributable to Intuitive Surgical, Inc.:
Basic$1.54 $1.01 
Diluted$1.51 $1.00