$ISRG
INTUITIVE SURGICAL INC Stock $isrg

$isrg Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000103526720000032 Filed on February 07, 2020

Income Statement

Concept	2019 Q4	2018 Q4	2018 Q3
Revenue	$1.278B	$1.047B	$920.9M
YoY Change	22.09%	17.27%	14.24%
Cost Of Revenue	$381.7M	$310.8M	$278.6M
YoY Change	22.81%	20.47%	16.42%
Gross Profit	$896.0M	$735.7M	$642.3M
YoY Change	21.79%	16.04%	13.06%
Gross Profit Margin	70.13%	70.3%	69.75%
Selling, General & Admin	$341.0M	$284.5M	$221.4M
YoY Change	19.86%	29.85%	8.48%
% of Gross Profit	38.06%	38.67%	34.47%
Research & Development	$156.6M	$119.9M	$107.6M
YoY Change	30.61%	37.66%	29.02%
% of Gross Profit	17.48%	16.3%	16.75%
Depreciation & Amortization	$67.70M	$39.00M	$33.60M
YoY Change	73.59%	1.3%	34.94%
% of Gross Profit	7.56%	5.3%	5.23%
Operating Expenses	$497.6M	$404.4M	$329.0M
YoY Change	23.05%	32.07%	14.43%
Operating Profit	$398.4M	$331.3M	$313.3M
YoY Change	20.25%	1.07%	11.65%
Interest Expense	$34.10M	$26.80M	$21.90M
YoY Change	27.24%	117.89%	102.78%
% of Operating Profit	8.56%	8.09%	6.99%
Other Income/Expense, Net			$21.90M
YoY Change			102.78%
Pretax Income	$431.7M	$358.8M	$335.2M
YoY Change	20.32%	5.13%	15.03%
Income Tax	$69.00M	$95.10M	$43.40M
% Of Pretax Income	15.98%	26.51%	12.95%
Net Earnings	$357.7M	$292.5M	$292.5M
YoY Change	22.29%	-1028.57%	-2.04%
Net Earnings / Revenue	28.0%	27.95%	31.76%
Basic Earnings Per Share	$3.09	$2.56	$2.57
Diluted Earnings Per Share	$2.99	$2.45	$2.45
COMMON SHARES
Basic Shares Outstanding	115.6M shares	114.2M shares	114.0M shares
Diluted Shares Outstanding			119.2M shares

Balance Sheet

Concept	2019 Q4	2018 Q4	2018 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.222B	$3.063B	$3.136B
YoY Change	5.19%	56.2%	46.06%
Cash & Equivalents	$1.168B	$857.9M	$1.008B
Short-Term Investments	$2.054B	$2.205B	$2.128B
Other Short-Term Assets	$201.0M	$179.0M	$166.0M
YoY Change	12.29%	80.81%	86.52%
Inventory	$595.5M	$409.0M	$370.1M
Prepaid Expenses
Receivables	$645.2M	$682.3M	$580.4M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$4.663B	$4.333B	$4.253B
YoY Change	7.6%	54.27%	45.19%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.273B	$812.0M	$746.4M
YoY Change	56.76%	32.44%	27.63%
Goodwill	$307.2M	$240.6M	$236.1M
YoY Change	27.68%	19.64%	17.4%
Intangibles
YoY Change
Long-Term Investments	$2.624B	$1.771B	$1.435B
YoY Change	48.16%	-6.1%	-13.29%
Other Assets	$681.0M	$690.0M	$412.0M
YoY Change	-1.3%	858.33%	243.33%
Total Long-Term Assets	$5.071B	$3.514B	$3.066B
YoY Change	44.32%	18.38%	12.9%
TOTAL ASSETS
Total Short-Term Assets	$4.663B	$4.333B	$4.253B
Total Long-Term Assets	$5.071B	$3.514B	$3.066B
Total Assets	$9.733B	$7.847B	$7.319B
YoY Change	24.04%	35.83%	29.66%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$123.5M	$100.7M	$96.40M
YoY Change	22.64%	22.06%	19.9%
Accrued Expenses	$530.0M	$387.0M	$303.0M
YoY Change	36.95%	128.32%	19.76%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.030B	$820.6M	$703.3M
YoY Change	25.54%	23.81%	14.23%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$418.0M	$339.0M	$327.0M
YoY Change	23.3%	1440.91%	373.91%
Total Long-Term Liabilities	$418.0M	$339.0M	$327.0M
YoY Change	23.3%	1440.91%	373.91%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.030B	$820.6M	$703.3M
Total Long-Term Liabilities	$418.0M	$339.0M	$327.0M
Total Liabilities	$1.449B	$1.159B	$1.030B
YoY Change	24.96%	16.34%	50.45%
SHAREHOLDERS EQUITY
Retained Earnings	$2.495B	$1.522B	$1.234B
YoY Change	63.93%	1223.22%	58.9%
Common Stock	$5.757B	$5.170B	$5.063B
YoY Change	11.34%	10.5%	20.83%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$8.264B	$6.679B	$6.281B
YoY Change
Total Liabilities & Shareholders Equity	$9.733B	$7.847B	$7.319B
YoY Change	24.04%	35.83%	29.66%

Cashflow Statement

Concept	2019 Q4	2018 Q4	2018 Q3
OPERATING ACTIVITIES
Net Income	$357.7M	$292.5M	$292.5M
YoY Change	22.29%	-1028.57%	-2.04%
Depreciation, Depletion And Amortization	$67.70M	$39.00M	$33.60M
YoY Change	73.59%	1.3%	34.94%
Cash From Operating Activities	$552.7M	$338.1M	$319.8M
YoY Change	63.47%	1.84%	-9.64%
INVESTING ACTIVITIES
Capital Expenditures	-$142.0M	-$55.50M	-$47.00M
YoY Change	155.86%	79.03%	-8.56%
Acquisitions
YoY Change
Other Investing Activities	-$264.2M	-$430.8M	-$525.6M
YoY Change	-38.67%	51.26%	151.97%
Cash From Investing Activities	-$406.2M	-$486.3M	-$572.6M
YoY Change	-16.47%	53.99%	120.23%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	50.80M	33.70M	57.70M
YoY Change	50.74%	-113.86%	-30.98%
NET CHANGE
Cash From Operating Activities	552.7M	338.1M	319.8M
Cash From Investing Activities	-406.2M	-486.3M	-572.6M
Cash From Financing Activities	50.80M	33.70M	57.70M
Net Change In Cash	197.3M	-114.5M	-195.1M
YoY Change	-272.31%	-49.54%	-209.92%
FREE CASH FLOW
Cash From Operating Activities	$552.7M	$338.1M	$319.8M
Capital Expenditures	-$142.0M	-$55.50M	-$47.00M
Free Cash Flow	$694.7M	$393.6M	$366.8M
YoY Change	76.5%	8.43%	-9.5%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0001035267
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	isrg	System Sales Arrangement Warranty Period SystemSalesArrangementWarrantyPeriod	P1Y
CY2019	isrg	Share Based Compensation Arrangementby Sharebased Payment Award Fair Value Assumptions Marketbased Implied Volatility Period ShareBasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsMarketbasedImpliedVolatilityPeriod	P1Y
CY2019	isrg	Derivative Instrument Designation As Cash Flow Hedges De Designation Period DerivativeInstrumentDesignationAsCashFlowHedgesDeDesignationPeriod	P2M
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	000-30713
CY2019	dei	Entity Registrant Name EntityRegistrantName	Intuitive Surgical, Inc.
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	77-0416458
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	1020 Kifer Road
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Sunnyvale
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Sunnyvale
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	94086
CY2019	dei	City Area Code CityAreaCode	(408)
CY2019	dei	Local Phone Number LocalPhoneNumber	523-2100
CY2019	dei	Security12b Title Security12bTitle	Common Stock, par value $0.001 per share
CY2019	dei	Trading Symbol TradingSymbol	ISRG
CY2019	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
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CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	30200000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1500000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-2700000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	5800000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	3600000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-8600000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	5300000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	1000000.0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-1200000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	500000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	2600000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-7400000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-5900000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	400000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-300000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-600000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-300000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-200000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	5300000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-700000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	100000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	25700000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2200000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6600000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1405000000.0	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1130100000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	664300000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5820500000	USD
CY2017	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	0	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	415500000	USD
CY2017	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	56600000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	209100000	USD
CY2017	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	2274000000.0	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	670900000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-6600000	USD
CY2017	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	2000000.0	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-400000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4780400000	USD
CY2018	us-gaap	Cumulative Effect On Retained Earnings Net Of Tax1 CumulativeEffectOnRetainedEarningsNetOfTax1	390800000	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	236600000	USD
CY2018	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	120000000.0	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	261200000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1127900000	USD
CY2018	isrg	Other Comprehensive Income Loss Including Cumulative Effectof New Accounting Principlein Periodof Adoption Netof Tax OtherComprehensiveIncomeLossIncludingCumulativeEffectofNewAccountingPrincipleinPeriodofAdoptionNetofTax	3500000	USD
CY2018	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	10000000.0	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-2900000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6687500000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	272800000	USD
CY2019	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	159100000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	335800000	USD
CY2019	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	269500000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	1379300000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	25400000	USD
CY2019	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	10000000.0	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2500000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8284700000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	1381800000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	1125000000.0	USD
CY2017	us-gaap	Profit Loss ProfitLoss	670900000	USD
CY2019	isrg	Depreciationand Gain Losson Dispositionof Property Plant Equipment DepreciationandGainLossonDispositionofPropertyPlantEquipment	160000000.0	USD
CY2018	isrg	Depreciationand Gain Losson Dispositionof Property Plant Equipment DepreciationandGainLossonDispositionofPropertyPlantEquipment	108600000	USD
CY2017	isrg	Depreciationand Gain Losson Dispositionof Property Plant Equipment DepreciationandGainLossonDispositionofPropertyPlantEquipment	86200000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	43000000.0	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14200000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	12900000	USD
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	6000000.0	USD
CY2017	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-21200000	USD
CY2019	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	8000000.0	USD
CY2018	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1800000	USD
CY2018	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-31900000	USD
CY2017	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-60200000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	335800000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	261200000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	209100000	USD
CY2019	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	13100000	USD
CY2018	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	10600000	USD
CY2017	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	10900000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-38800000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	161300000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	81400000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	360500000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	279000000.0	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	115500000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	116900000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	77700000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	38900000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	12300000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	16700000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	14000000.0	USD
CY2019	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	57400000	USD
CY2018	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	26200000	USD
CY2017	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	31200000	USD
CY2019	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	35500000	USD
CY2018	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	54300000	USD
CY2017	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	43700000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	11900000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	37100000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	219400000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1598200000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1169600000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1143900000	USD
CY2019	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	3346200000	USD
CY2018	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	2581900000	USD
CY2017	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	1995000000.0	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	107300000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	274000000.0	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	1861300000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	2569800000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1533600000	USD
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	703100000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	425600000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	187400000	USD
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	190700000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	59700000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	87900000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1154400000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1049600000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	378700000	USD
CY2019	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	272800000	USD
CY2018	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	236600000	USD
CY2017	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	415500000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	159100000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	120000000.0	USD
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	56600000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	269500000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2274000000.0	USD
CY2019	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	10000000.0	USD
CY2018	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	10000000.0	USD
CY2017	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	2000000.0	USD
CY2019	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	22600000	USD
CY2018	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	300000	USD
CY2017	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-168400000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	126300000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1913100000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-2200000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-100000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	2100000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	273200000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	246200000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-388400000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	909400000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	663200000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1051600000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1182600000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	909400000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	663200000	USD
CY2019	us-gaap	Nature Of Operations NatureOfOperations	DESCRIPTION OF THE BUSINESS<span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Intuitive Surgical, Inc. (“Intuitive” or the “Company”) develops, manufactures, and markets the da Vinci</span><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;vertical-align:top;">®</sup><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;"> Surgical System and the Ion</span><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;vertical-align:top;">TM</sup><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;"> endoluminal system. The Company’s products and related services enable physicians and healthcare providers to improve the quality of and access to minimally invasive care. The systems consist of a surgeon console or consoles, a patient-side cart, a high-performance vision system, and proprietary instruments and accessories.</span>
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-align:justify;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;">Use of Estimates</span></div><div style="text-indent:18pt;text-align:justify;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the Consolidated Financial Statements and accompanying Notes to the Consolidated Financial Statements. The accounting estimates that require management’s most significant, difficult, and subjective judgments include the valuation and recognition of investments, revenue recognition and the valuation of revenue and allowances for sales returns and doubtful accounts, the estimation of exposures that are able to be hedged and the offsetting hedge transactions, the valuation of inventory, the valuation of and assessment of recoverability of intangible assets and their estimated useful lives, the valuation and recognition of share-based compensation, the recognition and measurement of current and deferred income tax assets, along with the assessment of recoverability, and liabilities, and the estimates for legal contingencies. Actual results could differ materially from these estimates.</span></div>
CY2019	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="text-align:justify;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;">Concentrations of Credit Risk and Other Risks and Uncertainties</span></div><div style="text-indent:18pt;text-align:justify;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">The carrying amounts for financial instruments consisting of cash and cash equivalents, accounts receivable, accounts payable, and accrued liabilities approximate fair value due to their short maturities. Marketable securities and derivative instruments are stated at their estimated fair values, based on quoted market prices for the same or similar instruments. The counterparties to the agreements relating to the Company’s investment securities and derivative instruments consist of various major corporations, financial institutions, municipalities, and government agencies of high credit standing.</span></div>The Company’s accounts receivable are derived from net revenue to customers and distributors located throughout the world. The Company performs credit evaluations of its customers’ financial condition and, generally, requires no collateral from its customers. The Company provides reserves for potential credit losses but has not experienced significant losses to date.
CY2019Q4	us-gaap	Restricted Cash RestrictedCash	15000000.0	USD
CY2018Q4	us-gaap	Restricted Cash RestrictedCash	51500000	USD
CY2017	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0	USD
CY2019	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0	USD
CY2018	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0	USD
CY2019	us-gaap	Depreciation Depreciation	156700000	USD
CY2018	us-gaap	Depreciation Depreciation	105900000	USD
CY2017	us-gaap	Depreciation Depreciation	82100000	USD
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2019	us-gaap	Revenue Performance Obligation Description Of Timing RevenuePerformanceObligationDescriptionOfTiming	The Company’s system sale arrangements generally include a five-year period of service. The first year of service is generally free and included in the system sale arrangement, and the remaining four years are generally included at a stated service price.
CY2019Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	51500000	USD
CY2018Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	34200000	USD
CY2019	isrg	Share Based Compensation Arrangementby Sharebased Payment Award Fair Value Assumptions Marketbased Implied Volatility Percent ShareBasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsMarketbasedImpliedVolatilityPercent	1
CY2019	isrg	Income Tax Examination Minimum Likelihood Of Tax Benefits Being Realized Upon Settlement IncomeTaxExaminationMinimumLikelihoodOfTaxBenefitsBeingRealizedUponSettlement	0.50
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2019	isrg	Long Lived Assets Maintained In The United States Percent LongLivedAssetsMaintainedInTheUnitedStatesPercent	0.85
CY2018	isrg	Long Lived Assets Maintained In The United States Percent LongLivedAssetsMaintainedInTheUnitedStatesPercent	0.88
CY2019Q4	isrg	Cashand Cash Equivalentsand Debt Securities Availableforsale Amortized Cost CashandCashEquivalentsandDebtSecuritiesAvailableforsaleAmortizedCost	5818100000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	27900000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	800000	USD
CY2019Q4	isrg	Cashand Cash Equivalentsand Debt Securities Availableforsale Fair Value CashandCashEquivalentsandDebtSecuritiesAvailableforsaleFairValue	5845200000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1167600000	USD
CY2019Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	2054100000	USD
CY2019Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	2623500000	USD
CY2018Q4	isrg	Cashand Cash Equivalentsand Debt Securities Availableforsale Amortized Cost CashandCashEquivalentsandDebtSecuritiesAvailableforsaleAmortizedCost	4845000000.0	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3300000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	13900000	USD
CY2018Q4	isrg	Cashand Cash Equivalentsand Debt Securities Availableforsale Fair Value CashandCashEquivalentsandDebtSecuritiesAvailableforsaleFairValue	4834400000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	857900000	USD
CY2018Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	2205200000	USD
CY2018Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	1771300000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	2082400000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	2087700000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	2595800000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	2617600000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	4678200000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	4705300000	USD
CY2019	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	20400000	USD
CY2018	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-9800000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	519400000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	500000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	133000000.0	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	300000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	652400000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	800000	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1434100000	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2800000	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	1427600000	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	11100000	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	2861700000	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	13900000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-1500000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-2600000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	9700000	USD
CY2019Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	211000000.0	USD
CY2018Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	164100000	USD
CY2019Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	75900000	USD
CY2018Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	40000000.0	USD
CY2019Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	308600000	USD
CY2018Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	204900000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	595500000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	409000000.0	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	563100000	USD
CY2019Q4	us-gaap	Land Land	248000000.0	USD
CY2018Q4	us-gaap	Land Land	184600000	USD
CY2019Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	408300000	USD
CY2018Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	266200000	USD
CY2019Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	357200000	USD
CY2018Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	280100000	USD
CY2019Q4	us-gaap	Property Subject To Or Available For Operating Lease Gross PropertySubjectToOrAvailableForOperatingLeaseGross	293800000	USD
CY2018Q4	us-gaap	Property Subject To Or Available For Operating Lease Gross PropertySubjectToOrAvailableForOperatingLeaseGross	150200000	USD
CY2019Q4	isrg	Computer And Office Equipment ComputerAndOfficeEquipment	74000000.0	USD
CY2018Q4	isrg	Computer And Office Equipment ComputerAndOfficeEquipment	52600000	USD
CY2019Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	182200000	USD
CY2018Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	157800000	USD
CY2019Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	272500000	USD
CY2018Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	156700000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1836000000.0	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1248200000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	436200000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1272900000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	812000000.0	USD
CY2019Q4	us-gaap	Property Subject To Or Available For Operating Lease Accumulated Depreciation PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation	62200000	USD
CY2018Q4	us-gaap	Property Subject To Or Available For Operating Lease Accumulated Depreciation PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation	32100000	USD
CY2019Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	37900000	USD
CY2018Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	39100000	USD
CY2019Q4	us-gaap	Litigation Reserve Current LitigationReserveCurrent	5800000	USD
CY2018Q4	us-gaap	Litigation Reserve Current LitigationReserveCurrent	55000000.0	USD
CY2019Q4	isrg	Deferred Purchase Consideration Payments Current DeferredPurchaseConsiderationPaymentsCurrent	35700000	USD
CY2018Q4	isrg	Deferred Purchase Consideration Payments Current DeferredPurchaseConsiderationPaymentsCurrent	4600000	USD
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	44500000	USD
CY2018Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	0	USD
CY2019Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	193400000	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	133100000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	317300000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	231800000	USD
CY2019Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	258600000	USD
CY2018Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	270200000	USD
CY2019Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	27400000	USD
CY2018Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	33000000.0	USD
CY2019Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	132300000	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	35400000	USD
CY2019Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	418300000	USD
CY2018Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	338600000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	158600000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	179200000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	147500000	USD
CY2019	us-gaap	Property Plant And Equipment Transfers And Changes PropertyPlantAndEquipmentTransfersAndChanges	210600000	USD
CY2018	us-gaap	Property Plant And Equipment Transfers And Changes PropertyPlantAndEquipmentTransfersAndChanges	125700000	USD
CY2017	us-gaap	Property Plant And Equipment Transfers And Changes PropertyPlantAndEquipmentTransfersAndChanges	65800000	USD
CY2019	isrg	Business Combination Consideration Transferred Present Valueof Future Cash Payments BusinessCombinationConsiderationTransferredPresentValueofFutureCashPayments	86600000	USD
CY2018	isrg	Business Combination Consideration Transferred Present Valueof Future Cash Payments BusinessCombinationConsiderationTransferredPresentValueofFutureCashPayments	16700000	USD
CY2017	isrg	Business Combination Consideration Transferred Present Valueof Future Cash Payments BusinessCombinationConsiderationTransferredPresentValueofFutureCashPayments	0	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4478500000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3724200000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3138200000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1597000000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P5Y
CY2019Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	20800000	USD
CY2018Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	12400000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	365200000	USD
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	327300000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	307000000	USD
CY2018	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	269000000	USD
CY2019	us-gaap	Sales Type Lease Lease Income SalesTypeLeaseLeaseIncome	81600000	USD
CY2018	us-gaap	Sales Type Lease Lease Income SalesTypeLeaseLeaseIncome	69800000	USD
CY2017	us-gaap	Sales Type Lease Lease Income SalesTypeLeaseLeaseIncome	49500000	USD
CY2019	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	106900000	USD
CY2018	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	51400000	USD
CY2017	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	25900000	USD
CY2019Q4	us-gaap	Sales Type Lease Lease Receivable SalesTypeLeaseLeaseReceivable	191900000	USD
CY2018Q4	us-gaap	Capital Leases Net Investment In Sales Type Leases Minimum Payments To Be Received CapitalLeasesNetInvestmentInSalesTypeLeasesMinimumPaymentsToBeReceived	150400000	USD
CY2019Q4	isrg	Salestype Lease Deferred Selling Profit SalestypeLeaseDeferredSellingProfit	10100000	USD
CY2018Q4	us-gaap	Capital Leases Net Investment In Sales Type Leases Deferred Income CapitalLeasesNetInvestmentInSalesTypeLeasesDeferredIncome	6300000	USD
CY2019Q4	isrg	Salestype Lease Net Investmentin Sales Type Leases Allowancefor Uncollectible Minimum Lease Payments SalestypeLeaseNetInvestmentinSalesTypeLeasesAllowanceforUncollectibleMinimumLeasePayments	1200000	USD
CY2018Q4	us-gaap	Capital Leases Net Investment In Sales Type Leases Allowance For Uncollectible Minimum Lease Payments CapitalLeasesNetInvestmentInSalesTypeLeasesAllowanceForUncollectibleMinimumLeasePayments	1000000.0	USD
CY2019Q4	us-gaap	Sales Type Lease Net Investment In Lease SalesTypeLeaseNetInvestmentInLease	180600000	USD
CY2018Q4	us-gaap	Capital Leases Net Investment In Sales Type Leases CapitalLeasesNetInvestmentInSalesTypeLeases	143100000	USD
CY2019Q4	us-gaap	Sales Type Lease Net Investment In Lease SalesTypeLeaseNetInvestmentInLease	180600000	USD
CY2018Q4	us-gaap	Capital Leases Net Investment In Sales Type Leases CapitalLeasesNetInvestmentInSalesTypeLeases	143100000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths	63500000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears	52900000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears	36200000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Four Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears	22100000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Five Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears	15400000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Thereafter SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter	1800000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	191900000	USD
CY2019Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	146500000	USD
CY2019Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	134200000	USD
CY2019Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	116000000.0	USD
CY2019Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	86600000	USD
CY2019Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	40600000	USD
CY2019Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	10800000	USD
CY2019Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	534700000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	19100000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	18800000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	21500000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	74400000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	7700000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	68700000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	76400000	USD
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y1M6D
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.034
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Receivable In Two Years CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears	46500000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Receivable In Three Years CapitalLeasesFutureMinimumPaymentsReceivableInThreeYears	29700000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Receivable In Four Years CapitalLeasesFutureMinimumPaymentsReceivableInFourYears	14900000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	9600000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	19700000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	14700000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	12800000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	8400000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	22400000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	87600000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	11200000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	76400000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Receivable Current CapitalLeasesFutureMinimumPaymentsReceivableCurrent	50800000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Receivable In Five Years CapitalLeasesFutureMinimumPaymentsReceivableInFiveYears	7500000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Receivable Due Thereafter CapitalLeasesFutureMinimumPaymentsReceivableDueThereafter	1000000.0	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Receivable CapitalLeasesFutureMinimumPaymentsReceivable	150400000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Current OperatingLeasesFutureMinimumPaymentsReceivableCurrent	88000000.0	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Two Years OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears	85800000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Three Years OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears	68800000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Four Years OperatingLeasesFutureMinimumPaymentsReceivableInFourYears	51300000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Five Years OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears	25400000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Thereafter OperatingLeasesFutureMinimumPaymentsReceivableThereafter	1900000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Receivable OperatingLeasesFutureMinimumPaymentsReceivable	321200000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	15100000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	14500000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	12700000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	11200000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	11000000.0	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	30900000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	247400000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	95400000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	201100000	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	40200000	USD
CY2018	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	-700000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	240600000	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	65400000	USD
CY2019	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	1200000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	307200000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	335700000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	223600000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	112100000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	180700000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	66700000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	43000000.0	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14200000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	12900000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	46100000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	18700000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	16000000.0	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	11500000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	9400000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	10400000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	112100000	USD
CY2019Q4	us-gaap	Purchase Commitment Remaining Minimum Amount Committed PurchaseCommitmentRemainingMinimumAmountCommitted	845000000	USD
CY2017	isrg	Average Purchase Price Of Share Under Repurchase Program AveragePurchasePriceOfShareUnderRepurchaseProgram	310.32
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	269500000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2019	us-gaap	Loss Contingency Accrual Carrying Value Period Increase Decrease LossContingencyAccrualCarryingValuePeriodIncreaseDecrease	500000	USD
CY2018	us-gaap	Loss Contingency Accrual Carrying Value Period Increase Decrease LossContingencyAccrualCarryingValuePeriodIncreaseDecrease	45200000	USD
CY2017	us-gaap	Loss Contingency Accrual Carrying Value Period Increase Decrease LossContingencyAccrualCarryingValuePeriodIncreaseDecrease	16300000	USD
CY2019Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	4200000	USD
CY2018Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	53000000.0	USD
CY2018Q2	us-gaap	Litigation Settlement Amount Awarded To Other Party LitigationSettlementAmountAwardedToOtherParty	42500000	USD
CY2019	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	42500000	USD
CY2019Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	1700000000	USD
CY2019	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	600000	shares
CY2018	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2017	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	7300000	shares
CY2019	isrg	Average Purchase Price Of Share Under Repurchase Program AveragePurchasePriceOfShareUnderRepurchaseProgram	481.35
CY2018	isrg	Average Purchase Price Of Share Under Repurchase Program AveragePurchasePriceOfShareUnderRepurchaseProgram	0
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2274000000.0	USD
CY2019	isrg	Aggregate Reduction In Common Stock During Stock Repurchases AggregateReductionInCommonStockDuringStockRepurchases	14500000	USD
CY2018	isrg	Aggregate Reduction In Common Stock During Stock Repurchases AggregateReductionInCommonStockDuringStockRepurchases	0	USD
CY2017	isrg	Aggregate Reduction In Common Stock During Stock Repurchases AggregateReductionInCommonStockDuringStockRepurchases	152000000	USD
CY2019	isrg	Amount Charged To Retained Earnings During Stock Repurchases AmountChargedToRetainedEarningsDuringStockRepurchases	255000000	USD
CY2018	isrg	Amount Charged To Retained Earnings During Stock Repurchases AmountChargedToRetainedEarningsDuringStockRepurchases	0	USD
CY2017	isrg	Amount Charged To Retained Earnings During Stock Repurchases AmountChargedToRetainedEarningsDuringStockRepurchases	2122000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	30900000	USD
CY2019	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	5200000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	25700000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	1700000	USD
CY2018	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-500000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2200000	USD
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	6200000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	200.79
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	600000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	523.30
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1300000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	159.46
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	100000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	381.82
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5400000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	246.64
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	512000000.0	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	526600000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	379900000	USD
CY2019	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	272800000	USD
CY2018	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	236600000	USD
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	415500000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	109700000	USD
CY2019Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	5400000	shares
CY2019	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P5Y3M18D
CY2019Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	246.64
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1844400000	USD
CY2019Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	4300000	shares
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y4M24D
CY2019Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	195.76
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	1702400000	USD
CY2019Q4	isrg	Closing Stock Price Of Company Stock ClosingStockPriceOfCompanyStock	591.15	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	5200000	shares
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P5Y2M12D
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	1833100000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	241.65
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	337900000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	262600000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	209900000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	70200000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	54300000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	49200000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	267700000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	208300000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	160700000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	38400000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-2400000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1053700000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	852700000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	774700000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	448500000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	426800000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	330100000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1502200000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1279500000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1104800000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	82000000.0	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	89500000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	352100000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	26500000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	21100000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	13000000.0	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	18000000.0	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	9900000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	8700000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	126500000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	120500000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	373800000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	8500000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-4100000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	62800000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	3200000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-300000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-300000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-17800000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-6100000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	34000000.0	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	60100000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	120400000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	154500000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	433900000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	315500000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	268700000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	386700000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	29700000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	20800000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	16000000.0	USD
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-56200000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-44700000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-115700000	USD
CY2019	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	55000000.0	USD
CY2018	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	43700000	USD
CY2017	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	8400000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	32700000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	25200000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	15300000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	13500000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	9900000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	10800000	USD
CY2019	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	0	USD
CY2018	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	0	USD
CY2017	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	7900000	USD
CY2019	isrg	Income Tax Reconciliation Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations IncomeTaxReconciliationUnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	8400000	USD
CY2018	isrg	Income Tax Reconciliation Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations IncomeTaxReconciliationUnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5200000	USD
CY2017	isrg	Income Tax Reconciliation Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations IncomeTaxReconciliationUnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	62400000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	500000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	317800000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	146500000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	116200000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	102800000	USD
CY2019	isrg	Effective Income Tax Rate Reconciliation Foreign Tax Reform Amount EffectiveIncomeTaxRateReconciliationForeignTaxReformAmount	51300000	USD
CY2018	isrg	Effective Income Tax Rate Reconciliation Foreign Tax Reform Amount EffectiveIncomeTaxRateReconciliationForeignTaxReformAmount	0	USD
CY2017	isrg	Effective Income Tax Rate Reconciliation Foreign Tax Reform Amount EffectiveIncomeTaxRateReconciliationForeignTaxReformAmount	0	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1800000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2200000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1700000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	120400000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	154500000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	433900000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	95600000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	87200000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	42000000.0	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	29100000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	362300000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	351900000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	56100000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	40100000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	10400000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	9000000.0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	566400000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	517300000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	57200000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	42300000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	509200000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	475000000.0	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	75300000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	42200000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	8300000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	7500000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	0	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	100000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	83600000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	49800000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	425600000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	425200000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	317800000	USD
CY2017	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Income Tax Expense Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit	47600000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	500000	USD
CY2018Q2	us-gaap	Foreign Earnings Repatriated ForeignEarningsRepatriated	1600000000	USD
CY2019Q3	isrg	Effective Income Tax Rate Reconciliation Foreign Tax Reform Amount EffectiveIncomeTaxRateReconciliationForeignTaxReformAmount	51300000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	57200000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	42300000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	17900000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	96700000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	78800000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	65400000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	2900000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	2600000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1800000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	78800000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	65400000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	106000000.0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	26500000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	22500000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	21100000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1200000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	900000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	46500000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	3800000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	500000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	6000000.0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	8200000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	14700000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	96700000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	78800000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	65400000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	1379300000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1127900000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	670900000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	115400000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113700000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111700000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	4100000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	5100000	shares
CY2019	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Amount DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount	1500	USD
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	4600000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	119500000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	118800000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	116300000	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	11.95
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	9.92
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.01
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	11.54
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	9.49
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.77
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	700000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	400000	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	200000	shares
CY2019	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	1
CY2019	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	2
CY2019Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1277700000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1128200000	USD
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1098900000	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	973700000	USD
CY2019Q4	us-gaap	Gross Profit GrossProfit	896000000.0	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	785600000	USD
CY2019Q2	us-gaap	Gross Profit GrossProfit	759000000.0	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	669600000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	357700000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	396800000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	318300000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	306500000	USD
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.09
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.44
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.76
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.67
CY2019Q2	us-gaap	Income Tax Reconciliation Nondeductible Expense Charitable Contributions IncomeTaxReconciliationNondeductibleExpenseCharitableContributions	0	USD
CY2019Q1	us-gaap	Income Tax Reconciliation Nondeductible Expense Charitable Contributions IncomeTaxReconciliationNondeductibleExpenseCharitableContributions	0	USD
CY2019Q1	isrg	Business Combination Acquisition Related Costs Benefits BusinessCombinationAcquisitionRelatedCostsBenefits	3000000.0	USD
CY2019Q4	us-gaap	Income Tax Reconciliation Nondeductible Expense Charitable Contributions IncomeTaxReconciliationNondeductibleExpenseCharitableContributions	5000000.0	USD
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.99
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.33
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.67
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.56
CY2019Q4	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	33700000	USD
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	28800000	USD
CY2019Q2	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	11300000	USD
CY2019Q1	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	72700000	USD
CY2019Q1	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	72700000	USD
CY2019Q4	isrg	Income Tax Benefit Discrete Item One Time Tax Benefits IncomeTaxBenefitDiscreteItemOneTimeTaxBenefits	0	USD
CY2019Q3	isrg	Income Tax Benefit Discrete Item One Time Tax Benefits IncomeTaxBenefitDiscreteItemOneTimeTaxBenefits	51300000	USD
CY2019Q2	isrg	Income Tax Benefit Discrete Item One Time Tax Benefits IncomeTaxBenefitDiscreteItemOneTimeTaxBenefits	0	USD
CY2019Q1	isrg	Income Tax Benefit Discrete Item One Time Tax Benefits IncomeTaxBenefitDiscreteItemOneTimeTaxBenefits	0	USD
CY2019Q4	isrg	Business Combination Acquisition Related Costs Benefits BusinessCombinationAcquisitionRelatedCostsBenefits	3100000	USD
CY2019Q3	isrg	Business Combination Acquisition Related Costs Benefits BusinessCombinationAcquisitionRelatedCostsBenefits	-3000000.0	USD
CY2019Q2	isrg	Business Combination Acquisition Related Costs Benefits BusinessCombinationAcquisitionRelatedCostsBenefits	4100000	USD
CY2019Q3	us-gaap	Income Tax Reconciliation Nondeductible Expense Charitable Contributions IncomeTaxReconciliationNondeductibleExpenseCharitableContributions	0	USD
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1046500000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	920900000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	909300000	USD
CY2018Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	847500000	USD
CY2018Q4	us-gaap	Gross Profit GrossProfit	735700000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	642300000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	632300000	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	593800000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	292500000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	292500000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	255300000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	287600000	USD
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.56
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.57
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.25
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.55
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.45
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.45
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.15
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.44
CY2018Q4	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	15800000	USD
CY2018Q3	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	24100000	USD
CY2018Q2	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	21600000	USD
CY2018Q1	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	54700000	USD
CY2018Q4	isrg	Income Tax Benefit Discrete Item One Time Tax Benefits IncomeTaxBenefitDiscreteItemOneTimeTaxBenefits	2500000	USD
CY2018Q3	isrg	Income Tax Benefit Discrete Item One Time Tax Benefits IncomeTaxBenefitDiscreteItemOneTimeTaxBenefits	4600000	USD
CY2018Q2	isrg	Income Tax Benefit Discrete Item One Time Tax Benefits IncomeTaxBenefitDiscreteItemOneTimeTaxBenefits	0	USD
CY2018Q1	isrg	Income Tax Benefit Discrete Item One Time Tax Benefits IncomeTaxBenefitDiscreteItemOneTimeTaxBenefits	0	USD
CY2018Q4	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	0	USD
CY2018Q3	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	-1800000	USD
CY2018Q2	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	42500000	USD
CY2018Q1	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	4500000	USD
CY2018Q4	us-gaap	Income Tax Reconciliation Nondeductible Expense Charitable Contributions IncomeTaxReconciliationNondeductibleExpenseCharitableContributions	25200000	USD
CY2018Q3	us-gaap	Income Tax Reconciliation Nondeductible Expense Charitable Contributions IncomeTaxReconciliationNondeductibleExpenseCharitableContributions	0	USD
CY2018Q2	us-gaap	Income Tax Reconciliation Nondeductible Expense Charitable Contributions IncomeTaxReconciliationNondeductibleExpenseCharitableContributions	0	USD
CY2018Q1	us-gaap	Income Tax Reconciliation Nondeductible Expense Charitable Contributions IncomeTaxReconciliationNondeductibleExpenseCharitableContributions	0	USD

Files In Submission

Name	View Source	Status
0001035267-20-000032-index-headers.html	Edgar Link	pending
0001035267-20-000032-index.html	Edgar Link	pending
0001035267-20-000032.txt	Edgar Link	pending
0001035267-20-000032-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
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$ISRG
INTUITIVE SURGICAL INC Stock $isrg

2019 Q4 Form 10-K Financial Statement

#000103526720000032 Filed on February 07, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ISRG INTUITIVE SURGICAL INC Stock $isrg

2019 Q4 Form 10-K Financial Statement

#000103526720000032 Filed on February 07, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ISRG
INTUITIVE SURGICAL INC Stock $isrg