XML 44 R33.htm IDEA: XBRL DOCUMENT v3.24.1.u1

FINANCIAL INSTRUMENTS - Summary of Equity Investment Activity (Details) - Level 2 $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)
Fair Value, Level 2 [Abstract]
Beginning balance, carrying value	$ 74.5
Changes in Fair Value	(3.4)
Purchases / Sales / Other	0.2
Ending balance, carrying value	71.3
Prepaids and other current assets
Fair Value, Level 2 [Abstract]
Ending balance, carrying value	0.0
Intangible and other assets, net
Fair Value, Level 2 [Abstract]
Ending balance, carrying value	$ 71.3

X

- Definition

Equity Securities without Readily Determinable Fair Value, Sales, Purchases and Other Adjustments

+ References

No definition available.

+ Details

Name:	isrg_EquitySecuritiesWithoutReadilyDeterminableFairValueSalesPurchasesAndOtherAdjustments
Namespace Prefix:	isrg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Equity Securities without Readily Determinable Fair Value, Unrealized Gain (Loss)

+ References

No definition available.

+ Details

Name:	isrg_EquitySecuritiesWithoutReadilyDeterminableFairValueUnrealizedGainLoss
Namespace Prefix:	isrg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Fair Value, Level 2

+ References

No definition available.

+ Details

Name:	isrg_FairValueLevel2Abstract
Namespace Prefix:	isrg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479536/321-10-50-3

+ Details

Name:	us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=isrg_IntangibleAndOtherAssetsNetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: