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STOCKHOLDERS' EQUITY (Tables)

9 Months Ended

Sep. 30, 2025

Equity [Abstract]

Schedule of Stockholders Equity

The following tables present the changes in stockholders’ equity (in millions):

			Three Months Ended September 30, 2025
			Common Stock												Additional Paid-In Capital						Retained Earnings						Accumulated Other Comprehensive Income (Loss)						Total Intuitive Surgical, Inc. Stockholders’ Equity						Noncontrolling Interest in Joint Venture						Total Stockholders’ Equity
			Shares						Amount
Beginning balance			358.4						$	0.4					$	10,236.8					$	7,605.5					$	3.0					$	17,845.7					$	107.4					$	17,953.1
Issuance of common stock through employee stock plans			0.5						—						90.0						—						—						90.0						—						90.0
Shares withheld related to net share settlement of equity awards			—						—						(0.5)						(19.2)						—						(19.7)						—						(19.7)
Share-based compensation expense related to employee stock plans			—						—						205.4						—						—						205.4						—						205.4
Repurchase and retirement of common stock			(4.0)						—						(52.9)						(1,866.7)						—						(1,919.6)						—						(1,919.6)
Net income attributable to Intuitive Surgical, Inc.			—						—						—						704.4						—						704.4						—						704.4
Other comprehensive income			—						—						—						—						23.5						23.5						0.2						23.7
Net income attributable to noncontrolling interest in joint venture			—						—						—						—						—						—						4.8						4.8
Ending balance			354.9						$	0.4					$	10,478.8					$	6,424.0					$	26.5					$	16,929.7					$	112.4					$	17,042.1

			Three Months Ended September 30, 2024
			Common Stock												Additional Paid-In Capital						Retained Earnings						Accumulated Other Comprehensive Income (Loss)						Total Intuitive Surgical, Inc. Stockholders’ Equity						Noncontrolling Interest in Joint Venture						Total Stockholders’ Equity
			Shares						Amount
Beginning balance			355.3						$	0.4					$	9,149.7					$	5,581.7					$	(23.5)					$	14,708.3					$	88.2					$	14,796.5
Issuance of common stock through employee stock plans			1.0						—						115.6						—						—						115.6						—						115.6
Shares withheld related to net share settlement of equity awards			(0.1)						—						(0.4)						(17.0)						—						(17.4)						—						(17.4)
Share-based compensation expense related to employee stock plans			—						—						175.3						—						—						175.3						—						175.3
Net income attributable to Intuitive Surgical, Inc.			—						—						—						565.1						—						565.1						—						565.1
Other comprehensive income			—						—						—						—						36.4						36.4						0.5						36.9
Net income attributable to noncontrolling interest in joint venture			—						—						—						—						—						—						5.5						5.5
Ending balance			356.2						$	0.4					$	9,440.2					$	6,129.8					$	12.9					$	15,583.3					$	94.2					$	15,677.5

			Nine Months Ended September 30, 2025
			Common Stock												Additional Paid-In Capital						Retained Earnings						Accumulated Other Comprehensive Income (Loss)						Total Intuitive Surgical, Inc. Stockholders’ Equity						Noncontrolling Interest in Joint Venture						Total Stockholders’ Equity
			Shares						Amount
Beginning balance			356.6						$	0.4					$	9,681.3					$	6,803.3					$	(51.3)					$	16,433.7					$	95.9					$	16,529.6
Issuance of common stock through employee stock plans			3.4						—						273.7						—						—						273.7						—						273.7
Shares withheld related to net share settlement of equity awards			(0.7)						—						(8.7)						(397.3)						—						(406.0)						—						(406.0)
Share-based compensation expense related to employee stock plans			—						—						589.9						—						—						589.9						—						589.9
Repurchase and retirement of common stock			(4.4)						—						(57.4)						(2,043.2)						—						(2,100.6)						—						(2,100.6)
Net income attributable to Intuitive Surgical, Inc.			—						—						—						2,061.2						—						2,061.2						—						2,061.2
Other comprehensive income			—						—						—						—						77.8						77.8						0.6						78.4
Net income attributable to noncontrolling interest in joint venture			—						—						—						—						—						—						15.9						15.9
Ending balance			354.9						$	0.4					$	10,478.8					$	6,424.0					$	26.5					$	16,929.7					$	112.4					$	17,042.1

			Nine Months Ended September 30, 2024
			Common Stock												Additional Paid-In Capital						Retained Earnings						Accumulated Other Comprehensive Income (Loss)						Total Intuitive Surgical, Inc. Stockholders’ Equity						Noncontrolling Interest in Joint Venture						Total Stockholders’ Equity
			Shares						Amount
Beginning balance			352.3						$	0.4					$	8,576.4					$	4,743.0					$	(12.2)					$	13,307.6					$	89.7					$	13,397.3
Issuance of common stock through employee stock plans			4.6						—						367.5						—						—						367.5						—						367.5
Shares withheld related to net share settlement of equity awards			(0.7)						—						(7.4)						(250.1)						—						(257.5)						—						(257.5)
Share-based compensation expense related to employee stock plans			—						—						503.7						—						—						503.7						—						503.7
Net income attributable to Intuitive Surgical, Inc.			—						—						—						1,636.9						—						1,636.9						—						1,636.9
Other comprehensive income (loss)			—						—						—						—						25.1						25.1						(0.1)						25.0
Cash dividends declared and paid by joint venture			—						—						—						—						—						—						(8.0)						(8.0)
Net income attributable to noncontrolling interest in joint venture			—						—						—						—						—						—						12.6						12.6
Ending balance			356.2						$	0.4					$	9,440.2					$	6,129.8					$	12.9					$	15,583.3					$	94.2					$	15,677.5

Components of Accumulated Other Comprehensive Income, Net of Tax

The components of accumulated other comprehensive income (loss), net of tax, attributable to Intuitive Surgical, Inc. are as follows (in millions):

			Three Months Ended September 30, 2025
			Losses on Hedge Instruments						Unrealized Gains on Available-for-Sale Securities						Foreign Currency Translation Gains						Employee Benefit Plans						Total
Beginning balance			$	(14.7)					$	21.9					$	10.1					$	(14.3)					$	3.0
Other comprehensive income before reclassifications			17.5						5.2						5.7						—						28.4
Amounts reclassified from accumulated other comprehensive income (loss)			(5.0)						—						—						0.1						(4.9)
Net current-period other comprehensive income			12.5						5.2						5.7						0.1						23.5
Ending balance			$	(2.2)					$	27.1					$	15.8					$	(14.2)					$	26.5
			Three Months Ended September 30, 2024
			Gains (Losses) on Hedge Instruments						Unrealized Gains (Losses) on Available-for-Sale Securities						Foreign Currency Translation Losses						Employee Benefit Plans						Total
Beginning balance			$	7.9					$	(28.4)					$	(3.5)					$	0.5					$	(23.5)
Other comprehensive income (loss) before reclassifications			(15.7)						59.5						(7.4)						—						36.4
Amounts reclassified from accumulated other comprehensive income (loss)			0.2						—						—						(0.2)						—
Net current-period other comprehensive income (loss)			(15.5)						59.5						(7.4)						(0.2)						36.4
Ending balance			$	(7.6)					$	31.1					$	(10.9)					$	0.3					$	12.9

			Nine Months Ended September 30, 2025
			Gains (Losses) on Hedge Instruments						Unrealized Gains (Losses) on Available-for-Sale Securities						Foreign Currency Translation Gains (Losses)						Employee Benefit Plans						Total
Beginning balance			$	11.0					$	(14.6)					$	(33.1)					$	(14.6)					$	(51.3)
Other comprehensive income (loss) before reclassifications			(10.3)						41.4						48.9						—						80.0
Amounts reclassified from accumulated other comprehensive income (loss)			(2.9)						0.3						—						0.4						(2.2)
Net current-period other comprehensive income (loss)			(13.2)						41.7						48.9						0.4						77.8
Ending balance			$	(2.2)					$	27.1					$	15.8					$	(14.2)					$	26.5

			Nine Months Ended September 30, 2024
			Losses on Hedge Instruments						Unrealized Gains (Losses) on Available-for-Sale Securities						Foreign Currency Translation Gains (Losses)						Employee Benefit Plans						Total
Beginning balance			$	(2.5)					$	(29.7)					$	19.4					$	0.6					$	(12.2)
Other comprehensive income (loss) before reclassifications			(10.5)						60.6						(30.3)						—						19.8
Amounts reclassified from accumulated other comprehensive income (loss)			5.4						0.2						—						(0.3)						5.3
Net current-period other comprehensive income (loss)			(5.1)						60.8						(30.3)						(0.3)						25.1
Ending balance			$	(7.6)					$	31.1					$	(10.9)					$	0.3					$	12.9

Schedule Of Common Stock Repurchased

The following table summarizes stock repurchase activities (in millions, except per share amounts):

			Three Months Ended September 30,												Nine Months Ended September 30,
			2025						2024						2025						2024
Shares repurchased			4.0						—						4.4						—
Average price per share			$	479.60					$	—					$	482.66					$	—
Value of shares repurchased			$	1,919.6					$	—					$	2,100.6					$	—

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Tabular disclosure of the components of accumulated other comprehensive income (loss).

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-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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