XML 47 R28.htm IDEA: XBRL DOCUMENT v3.20.1

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Amortized Cost Basis by Year of Origination and Credit Quality Indicator (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Sales-type Lease, Net Investment in Lease, Credit Quality Indicator [Line Items]
2020	$ 58.4
2019	91.1
2018	47.7
2017	22.6
2016	10.4
Prior	3.4
Net investment in sales-type leases	233.6	$ 191.9
High
Sales-type Lease, Net Investment in Lease, Credit Quality Indicator [Line Items]
2020	27.0
2019	52.2
2018	20.4
2017	10.9
2016	3.3
Prior	3.0
Net investment in sales-type leases	116.8
Moderate
Sales-type Lease, Net Investment in Lease, Credit Quality Indicator [Line Items]
2020	27.3
2019	37.7
2018	25.3
2017	10.6
2016	5.2
Prior	0.3
Net investment in sales-type leases	106.4
Low
Sales-type Lease, Net Investment in Lease, Credit Quality Indicator [Line Items]
2020	4.1
2019	1.2
2018	2.0
2017	1.1
2016	1.9
Prior	0.1
Net investment in sales-type leases	$ 10.4

X

- Definition

Amount of net investment in sales-type lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919379-209981

+ Details

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

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_SalesTypeLeaseNetInvestmentInLeaseCreditQualityIndicatorLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of net investment in sales-type lease originated five or more years prior to latest fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919232-210447

+ Details

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

X

- Definition

Amount of net investment in sales-type lease originated four years prior to latest fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919232-210447

+ Details

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

X

- Definition

Amount of net investment in sales-type lease originated in current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919232-210447

+ Details

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

X

- Definition

Amount of net investment in sales-type lease originated in fiscal year prior to latest fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919232-210447

+ Details

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

X

- Definition

Amount of net investment in sales-type lease originated three years prior to latest fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919232-210447

+ Details

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

X

- Definition

Amount of net investment in sales-type lease originated two years prior to latest fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919232-210447

+ Details

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

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=isrg_HighMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=isrg_ModerateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=isrg_LowMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: