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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Impact of Adopting New Standard (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017
Revenue: |  |  |  |  |
Product | $ 753.5 | $ 618.9 | $ 1,448.3 | $ 1,160.5 |
Service | 155.8 | 139.9 | 308.5 | 277.9 |
Total revenue | 909.3 | 758.8 | 1,756.8 | 1,438.4 |
Cost of revenue: |  |  |  |  |
Product | 228.1 | 184.7 | 429.6 | 350.2 |
Service | 48.9 | 44.0 | 101.1 | 88.3 |
Total cost of revenue | 277.0 | 228.7 | 530.7 | 438.5 |
Gross profit | 632.3 | 530.1 | 1,226.1 | 999.9 |
Operating expenses: |  |  |  |  |
Selling, general and administrative | 259.8 | 185.6 | 481.4 | 388.5 |
Research and development | 95.1 | 84.6 | 190.6 | 158.1 |
Total operating expenses | 354.9 | 270.2 | 672.0 | 546.6 |
Income from operations | 277.4 | 259.9 | 554.1 | 453.3 |
Interest and other income, net | 18.2 | 10.1 | 31.4 | 18.8 |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest | 295.6 | 270.0 | 585.5 | 472.1 |
Income tax expense | 41.0 | 47.0 | 43.6 | 68.3 |
Net income attributable to Intuitive Surgical, Inc. | $ 255.3 | $ 223.0 | $ 542.9 | $ 403.8 |
Net income per share attributable to Intuitive Surgical, Inc.: |  |  |  |  |
Basic (in dollars per share) | $ 2.25 | $ 2.01 | $ 4.80 | $ 3.62 |
Diluted (in dollars per share) | $ 2.15 | $ 1.94 | $ 4.59 | $ 3.50 |
Total comprehensive income attributable to Intuitive Surgical, Inc. | $ 257.0 | $ 221.2 | $ 542.0 | $ 402.9 |
ASSETS |  |  |  |  |
Accounts receivable, net | 532.5 |  | 532.5 |  | $ 507.9
Prepaids and other current assets | 189.6 |  | 189.6 |  | 99.2
Deferred tax assets | 415.4 |  | 415.4 |  | 72.0
Intangible and other assets, net | 221.3 |  | 221.3 |  | 195.8
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |
Deferred revenue | 272.1 |  | 272.1 |  | 243.8
Other accrued liabilities | 164.1 |  | 164.1 |  | 168.9
Retained earnings | $ 948.1 |  | $ 948.1 |  | 115.0
ASC 606 |  |  |  |  |
Revenue: |  |  |  |  |
Product |  | 618.9 |  | 1,160.5 |
Service |  | 139.9 |  | 277.9 |
Total revenue |  | 758.8 |  | 1,438.4 |
Cost of revenue: |  |  |  |  |
Product |  | 184.7 |  | 350.2 |
Service |  | 44.0 |  | 88.3 |
Total cost of revenue |  | 228.7 |  | 438.5 |
Gross profit |  | 530.1 |  | 999.9 |
Operating expenses: |  |  |  |  |
Selling, general and administrative |  | 185.6 |  | 388.5 |
Research and development |  | 84.6 |  | 158.1 |
Total operating expenses |  | 270.2 |  | 546.6 |
Income from operations |  | 259.9 |  | 453.3 |
Interest and other income, net |  | 10.1 |  | 18.8 |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest |  | 270.0 |  | 472.1 |
Income tax expense |  | 47.0 |  | 68.3 |
Net income attributable to Intuitive Surgical, Inc. |  | $ 223.0 |  | $ 403.8 |
Net income per share attributable to Intuitive Surgical, Inc.: |  |  |  |  |
Basic (in dollars per share) |  | $ 2.01 |  | $ 3.62 |
Diluted (in dollars per share) |  | $ 1.94 |  | $ 3.50 |
Total comprehensive income attributable to Intuitive Surgical, Inc. |  | $ 221.2 |  | $ 402.9 |
ASSETS |  |  |  |  |
Accounts receivable, net |  |  |  |  | 507.9
Prepaids and other current assets |  |  |  |  | 99.2
Deferred tax assets |  |  |  |  | 72.0
Intangible and other assets, net |  |  |  |  | 195.8
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |
Deferred revenue |  |  |  |  | 243.8
Other accrued liabilities |  |  |  |  | 168.9
Other long-term liabilities |  |  |  |  | 333.6
Retained earnings |  |  |  |  | 115.0
ASC 606 | As Previously Reported |  |  |  |  |
Revenue: |  |  |  |  |
Product |  | 614.2 |  | 1,148.2 |
Service |  | 142.0 |  | 282.2 |
Total revenue |  | 756.2 |  | 1,430.4 |
Cost of revenue: |  |  |  |  |
Product |  | 184.3 |  | 348.1 |
Service |  | 44.0 |  | 88.3 |
Total cost of revenue |  | 228.3 |  | 436.4 |
Gross profit |  | 527.9 |  | 994.0 |
Operating expenses: |  |  |  |  |
Selling, general and administrative |  | 185.8 |  | 386.9 |
Research and development |  | 84.6 |  | 158.1 |
Total operating expenses |  | 270.4 |  | 545.0 |
Income from operations |  | 257.5 |  | 449.0 |
Interest and other income, net |  | 10.1 |  | 18.8 |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest |  | 267.6 |  | 467.8 |
Income tax expense |  | 46.1 |  | 66.5 |
Net income attributable to Intuitive Surgical, Inc. |  | $ 221.5 |  | $ 401.3 |
Net income per share attributable to Intuitive Surgical, Inc.: |  |  |  |  |
Basic (in dollars per share) |  | $ 2.00 |  | $ 3.60 |
Diluted (in dollars per share) |  | $ 1.92 |  | $ 3.47 |
Total comprehensive income attributable to Intuitive Surgical, Inc. |  | $ 219.7 |  | $ 400.4 |
ASSETS |  |  |  |  |
Accounts receivable, net |  |  |  |  | 511.9
Prepaids and other current assets |  |  |  |  | 97.2
Deferred tax assets |  |  |  |  | 87.3
Intangible and other assets, net |  |  |  |  | 159.7
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |
Deferred revenue |  |  |  |  | 284.5
Other accrued liabilities |  |  |  |  | 169.5
Other long-term liabilities |  |  |  |  | 327.1
Retained earnings |  |  |  |  | 61.4
ASC 606 | Adjustments |  |  |  |  |
Revenue: |  |  |  |  |
Product |  | 4.7 |  | 12.3 |
Service |  | (2.1) |  | (4.3) |
Total revenue |  | 2.6 |  | 8.0 |
Cost of revenue: |  |  |  |  |
Product |  | 0.4 |  | 2.1 |
Service |  | 0.0 |  | 0.0 |
Total cost of revenue |  | 0.4 |  | 2.1 |
Gross profit |  | 2.2 |  | 5.9 |
Operating expenses: |  |  |  |  |
Selling, general and administrative |  | (0.2) |  | 1.6 |
Research and development |  | 0.0 |  | 0.0 |
Total operating expenses |  | (0.2) |  | 1.6 |
Income from operations |  | 2.4 |  | 4.3 |
Interest and other income, net |  | 0.0 |  | 0.0 |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest |  | 2.4 |  | 4.3 |
Income tax expense |  | 0.9 |  | 1.8 |
Net income attributable to Intuitive Surgical, Inc. |  | $ 1.5 |  | $ 2.5 |
Net income per share attributable to Intuitive Surgical, Inc.: |  |  |  |  |
Basic (in dollars per share) |  | $ 0.01 |  | $ 0.02 |
Diluted (in dollars per share) |  | $ 0.02 |  | $ 0.03 |
Total comprehensive income attributable to Intuitive Surgical, Inc. |  | $ 1.5 |  | $ 2.5 |
ASSETS |  |  |  |  |
Accounts receivable, net |  |  |  |  | (4.0)
Prepaids and other current assets |  |  |  |  | 2.0
Deferred tax assets |  |  |  |  | (15.3)
Intangible and other assets, net |  |  |  |  | 36.1
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |
Deferred revenue |  |  |  |  | (40.7)
Other accrued liabilities |  |  |  |  | (0.6)
Other long-term liabilities |  |  |  |  | 6.5
Retained earnings |  |  |  |  | $ 53.6

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- Definition Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6904-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6911-107765 + Details
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- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(7)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765 + Details
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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 + Details
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