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Consolidated Statements Of Stockholders' Equity - USD ($) shares in Millions, $ in Millions | Total | Common Stock | Additional Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Income/(Loss) | Total Intuitive Surgical, Inc. Stockholders’ Equity | Noncontrolling Interest in Joint Venture
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balances (shares) at Dec. 31, 2016 |  |  | 38.8 |  |  |  |  |
Beginning balance at Dec. 31, 2016 |  | $ 5,820.5 | $ 0.0 | $ 4,211.8 | $ 1,617.6 | $ (8.9) | $ 5,820.5 | $ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Three-for-one stock split (shares) |  |  | 77.6 |  |  |  |  |
Three-for-one stock split |  | 0.0 | $ 0.1 | (0.1) |  |  |  |
Issuance of common stock through employee stock plans (shares) |  |  | 3.4 |  |  |  |  |
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture |  | 415.5 |  | 415.5 |  |  | 415.5 |
Shares withheld related to net share settlement of equity awards (shares) |  |  | (0.2) |  |  |  |  |
Shares withheld related to net share settlement of equity awards |  | (56.6) |  | (5.1) | (51.5) |  | (56.6) |
Share-based compensation expense related to employee stock plans |  | 209.1 |  | 209.1 |  |  | 209.1 |
Repurchase and retirement of common stock (shares) |  |  | (7.3) |  |  |  |  |
Repurchase and retirement of common stock |  | (2,274.0) |  | (152.0) | (2,122.0) |  | (2,274.0) |
Net income attributable to Intuitive Surgical, Inc. |  | 670.9 |  |  | 670.9 |  | 670.9 |
Other comprehensive loss |  | (6.6) |  |  |  |  |  |
Other comprehensive income (loss) |  | (6.6) |  |  |  | (6.6) | (6.6) |
Capital contribution from noncontrolling interest |  | 2.0 |  |  |  |  |  | 2.0
Net loss attributable to noncontrolling interest in joint venture |  | (0.4) |  |  |  |  |  | (0.4)
Ending balances (shares) at Dec. 31, 2017 |  |  | 112.3 |  |  |  |  |
Beginning balance at Dec. 31, 2017 |  | 4,780.4 | $ 0.1 | 4,679.2 | 115.0 | (15.5) | 4,778.8 | 1.6
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Adoption of new accounting standard | [1] | 390.8 |  |  | 392.1 | (1.3) | 390.8 |
Issuance of common stock through employee stock plans (shares) |  |  | 2.5 |  |  |  |  |
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture |  | 236.6 |  | 236.6 |  |  | 236.6 |
Shares withheld related to net share settlement of equity awards (shares) |  |  | (0.3) |  |  |  |  |
Shares withheld related to net share settlement of equity awards |  | (120.0) |  | (6.7) | (113.3) |  | (120.0) |
Share-based compensation expense related to employee stock plans |  | 261.2 |  | 261.2 |  |  | 261.2 |
Net income attributable to Intuitive Surgical, Inc. |  | 1,127.9 |  |  | 1,127.9 |  | 1,127.9 |
Other comprehensive loss |  | 2.2 |  |  |  |  |  |
Other comprehensive income |  | 3.5 |  |  |  | 3.5 | 3.5 |
Capital contribution from noncontrolling interest |  | 10.0 |  |  |  |  |  | 10.0
Net loss attributable to noncontrolling interest in joint venture |  | $ (2.9) |  |  |  |  |  | (2.9)
Ending balances (shares) at Dec. 31, 2018 |  | 114.5 | 114.5 |  |  |  |  |
Beginning balance at Dec. 31, 2018 |  | $ 6,687.5 | $ 0.1 | 5,170.3 | 1,521.7 | (13.3) | 6,678.8 | 8.7
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Issuance of common stock through employee stock plans (shares) |  |  | 2.4 |  |  |  |  |
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture |  | 272.8 |  | 272.8 |  |  | 272.8 |
Shares withheld related to net share settlement of equity awards (shares) |  |  | (0.3) |  |  |  |  |
Shares withheld related to net share settlement of equity awards |  | (159.1) |  | (7.6) | (151.5) |  | (159.1) |
Share-based compensation expense related to employee stock plans |  | 335.8 |  | 335.8 |  |  | 335.8 |
Repurchase and retirement of common stock (shares) |  |  | (0.6) |  |  |  |  |
Repurchase and retirement of common stock |  | (269.5) |  | (14.5) | (255.0) |  | (269.5) |
Net income attributable to Intuitive Surgical, Inc. |  | 1,379.3 |  |  | 1,379.3 |  | 1,379.3 |
Other comprehensive loss |  | 25.7 |  |  |  |  |  |
Other comprehensive income (loss) |  | 25.4 |  |  |  | 25.7 | 25.7 | (0.3)
Capital contribution from noncontrolling interest |  | 10.0 |  |  |  |  |  | 10.0
Net loss attributable to noncontrolling interest in joint venture |  | $ 2.5 |  |  |  |  |  | 2.5
Ending balances (shares) at Dec. 31, 2019 |  | 116.0 | 116.0 |  |  |  |  |
Beginning balance at Dec. 31, 2019 |  | $ 8,284.7 | $ 0.1 | $ 5,756.8 | $ 2,494.5 | $ 12.4 | $ 8,263.8 | $ 20.9
[1] | (1) Represents the adjustments related to the adoptions of Accounting Standards Update ("ASU") 2016-16, Income Taxes (Topic 740): Intra-Entity Transfer of Assets Other than Inventory, and ASU 2018-02, Income Statement - Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.

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