XML 38 R28.htm IDEA: XBRL DOCUMENT
v3.22.2.2

FINANCIAL INSTRUMENTS - Summary of Cash and Available-For-Sale Securities (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Cash and cash equivalents | $ 1,538.0 | $ 1,290.9
Total | 6,083.8 |
Gross Unrealized Gains | 0.0 | 9.9
Gross Unrealized Losses | (228.7) | (31.2)
Allowance for Credit Loss | (1.1) | 0.0
Fair Value | 5,854.0 |
Short- term Investments | 2,775.9 | 2,913.1
Long- term Investments | 3,078.1 | 4,415.5
Total assets measured at fair value, amortized cost | 7,621.8 | 8,640.8
Total assets measured at fair value, fair value | 7,392.0 | 8,619.5
Cash |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cash and cash equivalents | 536.3 | 572.3
Fair Value | 536.3 | 572.3
Level 1 |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cash and cash equivalents | 1,001.7 | 713.6
Total | 4,050.5 | 4,125.7
Gross Unrealized Gains | 0.0 | 6.3
Gross Unrealized Losses | (113.0) | (15.4)
Allowance for Credit Loss | 0.0 | 0.0
Fair Value | 3,937.5 | 4,116.6
Short- term Investments | 1,545.4 | 1,100.3
Long- term Investments | 1,390.4 | 2,302.7
Level 1 | Money market funds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cash and cash equivalents | 1,001.7 | 696.6
Fair Value | 1,001.7 | 696.6
Short- term Investments | 0.0 | 0.0
Long- term Investments | 0.0 | 0.0
Level 1 | U.S. treasuries |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cash and cash equivalents | 0.0 | 17.0
Total | 3,048.8 | 3,429.1
Gross Unrealized Gains | 0.0 | 6.3
Gross Unrealized Losses | (113.0) | (15.4)
Allowance for Credit Loss | 0.0 | 0.0
Fair Value | 2,935.8 | 3,420.0
Short- term Investments | 1,545.4 | 1,100.3
Long- term Investments | 1,390.4 | 2,302.7
Level 2 |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cash and cash equivalents | 0.0 | 5.0
Total | 3,035.0 | 3,942.8
Gross Unrealized Gains | 0.0 | 3.6
Gross Unrealized Losses | (115.7) | (15.8)
Allowance for Credit Loss | (1.1) | 0.0
Fair Value | 2,918.2 | 3,930.6
Short- term Investments | 1,230.5 | 1,812.8
Long- term Investments | 1,687.7 | 2,112.8
Level 2 | Commercial paper |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cash and cash equivalents | 0.0 | 0.0
Total | 104.2 | 717.7
Gross Unrealized Gains | 0.0 | 0.0
Gross Unrealized Losses | 0.0 | 0.0
Allowance for Credit Loss | 0.0 | 0.0
Fair Value | 104.2 | 717.7
Short- term Investments | 104.2 | 717.7
Long- term Investments | 0.0 | 0.0
Level 2 | Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cash and cash equivalents | 0.0 | 5.0
Total | 2,256.1 | 2,485.6
Gross Unrealized Gains | 0.0 | 2.7
Gross Unrealized Losses | (87.2) | (11.9)
Allowance for Credit Loss | (1.1) | 0.0
Fair Value | 2,167.8 | 2,476.4
Short- term Investments | 843.9 | 886.7
Long- term Investments | 1,323.9 | 1,584.7
Level 2 | U.S. government agencies |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cash and cash equivalents | 0.0 | 0.0
Total | 499.3 | 526.1
Gross Unrealized Gains | 0.0 | 0.2
Gross Unrealized Losses | (21.8) | (2.9)
Allowance for Credit Loss | 0.0 | 0.0
Fair Value | 477.5 | 523.4
Short- term Investments | 209.5 | 137.8
Long- term Investments | 268.0 | 385.6
Level 2 | Municipal securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cash and cash equivalents | 0.0 | 0.0
Total | 175.4 | 213.4
Gross Unrealized Gains | 0.0 | 0.7
Gross Unrealized Losses | (6.7) | (1.0)
Allowance for Credit Loss | 0.0 | 0.0
Fair Value | 168.7 | 213.1
Short- term Investments | 72.9 | 70.6
Long- term Investments | $ 95.8 | $ 142.5

X
- Definition Cash and Cash Equivalents and Debt Securities, Available-for-sale, Amortized Cost + References No definition available. + Details
Name: | isrg_CashandCashEquivalentsandDebtSecuritiesAvailableforsaleAmortizedCost
Namespace Prefix: | isrg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cash and Cash Equivalents and Debt Securities, Available-for-sale, Fair Value + References No definition available. + Details
Name: | isrg_CashandCashEquivalentsandDebtSecuritiesAvailableforsaleFairValue
Namespace Prefix: | isrg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3044-108585 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CashAndCashEquivalentsAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922900-210455 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 9 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922900-210455 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aaa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of investment in marketable security, classified as current. + References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in marketable security, classified as noncurrent. + References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CashMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialPaperMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MunicipalNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |