XML 70 R60.htm IDEA: XBRL DOCUMENT v3.22.2.2

SHARE-BASED COMPENSATION - Schedule of Estimated Fair Value of Option Using Black-Scholes Option Pricing Model, Weighted Average Assumptions (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Stock Options
Stock Options
Risk-free interest rate	3.40%	0.80%	2.50%	0.80%
Expected term (in years)	3 years	3 years 9 months 18 days	3 years 2 months 12 days	4 years 1 month 6 days
Expected volatility (percent)	42.00%	31.00%	38.00%	32.00%
Weighted average fair value at grant date (usd per share)	$ 66.00	$ 87.35	$ 73.51	$ 78.17
Employee Stock Purchase Program [Abstract]
Risk-free interest rate	3.40%	0.80%	2.50%	0.80%
Expected term (in years)	3 years	3 years 9 months 18 days	3 years 2 months 12 days	4 years 1 month 6 days
Expected volatility (percent)	42.00%	31.00%	38.00%	32.00%
Weighted average fair value at grant date (usd per share)	$ 66.00	$ 87.35	$ 73.51	$ 78.17
ESPP
Stock Options
Risk-free interest rate	2.90%	0.10%	2.10%	0.10%
Expected term (in years)	1 year 2 months 12 days	1 year 2 months 12 days	1 year 2 months 12 days	1 year 2 months 12 days
Expected volatility (percent)	40.00%	29.00%	39.00%	29.00%
Weighted average fair value at grant date (usd per share)	$ 75.01	$ 91.07	$ 80.61	$ 89.98
Employee Stock Purchase Program [Abstract]
Risk-free interest rate	2.90%	0.10%	2.10%	0.10%
Expected term (in years)	1 year 2 months 12 days	1 year 2 months 12 days	1 year 2 months 12 days	1 year 2 months 12 days
Expected volatility (percent)	40.00%	29.00%	39.00%	29.00%
Weighted average fair value at grant date (usd per share)	$ 75.01	$ 91.07	$ 80.61	$ 89.98

X

- Definition

Employee Stock Purchase Program

+ References

No definition available.

+ Details

Name:	isrg_EmployeeStockPurchaseProgramAbstract
Namespace Prefix:	isrg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Stock Options

+ References

No definition available.

+ Details

Name:	isrg_StockOptionsAbstract
Namespace Prefix:	isrg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iv)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Rate of weighted-average expected volatility for award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_StockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: