| Schedule of Stockholders Equity |
The following tables present the changes in stockholders’ equity (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, 2024 | | Common Stock | | Additional Paid-In Capital | | Retained Earnings | | Accumulated Other Comprehensive Loss | | Total Intuitive Surgical, Inc. Stockholders’ Equity | | Noncontrolling Interest in Joint Venture | | Total Stockholders’ Equity | | Shares | | Amount | | | | | | | | Beginning balance | 354.7 | | | $ | 0.4 | | | $ | 8,903.0 | | | $ | 5,067.9 | | | $ | (8.7) | | | $ | 13,962.6 | | | $ | 83.8 | | | $ | 14,046.4 | | | | | | | | | | | | | | | | | | | Issuance of common stock through employee stock plans | 0.6 | | | — | | | 71.5 | | | — | | | — | | | 71.5 | | | — | | | 71.5 | | | Shares withheld related to net share settlement of equity awards | — | | | — | | | (0.4) | | | (13.1) | | | — | | | (13.5) | | | — | | | (13.5) | | | Share-based compensation expense related to employee stock plans | — | | | — | | | 175.6 | | | — | | | — | | | 175.6 | | | — | | | 175.6 | | | | | | | | | | | | | | | | | | | Net income attributable to Intuitive Surgical, Inc. | — | | | — | | | — | | | 526.9 | | | — | | | 526.9 | | | — | | | 526.9 | | | Other comprehensive income (loss) | — | | | — | | | — | | | — | | | (14.8) | | | (14.8) | | | (0.2) | | | (15.0) | | | | | | | | | | | | | | | | | | | Net income attributable to noncontrolling interest in joint venture | — | | | — | | | — | | | — | | | — | | | — | | | 4.6 | | | 4.6 | | | Ending balance | 355.3 | | | $ | 0.4 | | | $ | 9,149.7 | | | $ | 5,581.7 | | | $ | (23.5) | | | $ | 14,708.3 | | | $ | 88.2 | | | $ | 14,796.5 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, 2023 | | Common Stock | | Additional Paid-In Capital | | Retained Earnings | | Accumulated Other Comprehensive Loss | | Total Intuitive Surgical, Inc. Stockholders’ Equity | | Noncontrolling Interest in Joint Venture | | Total Stockholders’ Equity | | Shares | | Amount | | | | | | | Beginning balance | 350.4 | | | $ | 0.4 | | | $ | 7,928.4 | | | $ | 3,397.4 | | | $ | (108.5) | | | $ | 11,217.7 | | | $ | 76.5 | | | $ | 11,294.2 | | | | | | | | | | | | | | | | | | | Issuance of common stock through employee stock plans | 1.0 | | | — | | | 74.6 | | | — | | | — | | | 74.6 | | | — | | | 74.6 | | | Shares withheld related to net share settlement of equity awards | (0.1) | | | — | | | (0.4) | | | (10.5) | | | — | | | (10.9) | | | — | | | (10.9) | | | Share-based compensation expense related to employee stock plans | — | | | — | | | 148.2 | | | — | | | — | | | 148.2 | | | — | | | 148.2 | | | | | | | | | | | | | | | | | | | Net income attributable to Intuitive Surgical, Inc. | — | | | — | | | — | | | 420.8 | | | — | | | 420.8 | | | — | | | 420.8 | | | Other comprehensive income (loss) | — | | | — | | | — | | | — | | | 28.7 | | | 28.7 | | | (1.1) | | | 27.6 | | | | | | | | | | | | | | | | | | | Net income attributable to noncontrolling interest in joint venture | — | | | — | | | — | | | — | | | — | | | — | | | 5.2 | | | 5.2 | | Ending balance | 351.3 | | | $ | 0.4 | | | $ | 8,150.8 | | | $ | 3,807.7 | | | $ | (79.8) | | | $ | 11,879.1 | | | $ | 80.6 | | | $ | 11,959.7 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Six Months Ended June 30, 2024 | | Common Stock | | Additional Paid-In Capital | | Retained Earnings | | Accumulated Other Comprehensive Loss | | Total Intuitive Surgical, Inc. Stockholders’ Equity | | Noncontrolling Interest in Joint Venture | | Total Stockholders’ Equity | | Shares | | Amount | | | | | | | Beginning balance | 352.3 | | | $ | 0.4 | | | $ | 8,576.4 | | | $ | 4,743.0 | | | $ | (12.2) | | | $ | 13,307.6 | | | $ | 89.7 | | | $ | 13,397.3 | | | | | | | | | | | | | | | | | | | Issuance of common stock through employee stock plans | 3.6 | | | — | | | 251.9 | | | — | | | — | | | 251.9 | | | — | | | 251.9 | | | Shares withheld related to net share settlement of equity awards | (0.6) | | | — | | | (7.0) | | | (233.1) | | | — | | | (240.1) | | | — | | | (240.1) | | | Share-based compensation expense related to employee stock plans | — | | | — | | | 328.4 | | | — | | | — | | | 328.4 | | | — | | | 328.4 | | | | | | | | | | | | | | | | | | | Net income attributable to Intuitive Surgical, Inc. | — | | | — | | | — | | | 1,071.8 | | | — | | | 1,071.8 | | | — | | | 1,071.8 | | | Other comprehensive income (loss) | — | | | — | | | — | | | — | | | (11.3) | | | (11.3) | | | (0.6) | | | (11.9) | | Cash dividends declared and paid by joint venture | — | | | — | | | — | | | — | | | — | | | — | | | (8.0) | | | (8.0) | | | Net income attributable to noncontrolling interest in joint venture | — | | | — | | | — | | | — | | | — | | | — | | | 7.1 | | | 7.1 | | Ending balance | 355.3 | | | $ | 0.4 | | | $ | 9,149.7 | | | $ | 5,581.7 | | | $ | (23.5) | | | $ | 14,708.3 | | | $ | 88.2 | | | $ | 14,796.5 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Six Months Ended June 30, 2023 | | Common Stock | | Additional Paid-In Capital | | Retained Earnings | | Accumulated Other Comprehensive Loss | | Total Intuitive Surgical, Inc. Stockholders’ Equity | | Noncontrolling Interest in Joint Venture | | Total Stockholders’ Equity | | Shares | | Amount | | | | | | | Beginning balance | 350.0 | | | $ | 0.4 | | | $ | 7,703.9 | | | $ | 3,500.1 | | | $ | (162.5) | | | $ | 11,041.9 | | | $ | 70.7 | | | $ | 11,112.6 | | | | | | | | | | | | | | | | | | | Issuance of common stock through employee stock plans | 3.4 | | | — | | | 174.8 | | | — | | | — | | | 174.8 | | | — | | | 174.8 | | | Shares withheld related to net share settlement of equity awards | (0.6) | | | — | | | (6.3) | | | (134.3) | | | — | | | (140.6) | | | — | | | (140.6) | | | Share-based compensation expense related to employee stock plans | — | | | — | | | 294.2 | | | — | | | — | | | 294.2 | | | — | | | 294.2 | | | Repurchase and retirement of common stock | (1.5) | | | — | | | (15.8) | | | (334.2) | | | — | | | (350.0) | | | — | | | (350.0) | | | Net income attributable to Intuitive Surgical, Inc. | — | | | — | | | — | | | 776.1 | | | — | | | 776.1 | | | — | | | 776.1 | | | Other comprehensive income (loss) | — | | | — | | | — | | | — | | | 82.7 | | | 82.7 | | | (0.8) | | | 81.9 | | | | | | | | | | | | | | | | | | | Net income attributable to noncontrolling interest in joint venture | — | | | — | | | — | | | — | | | — | | | — | | | 10.7 | | | 10.7 | | Ending balance | 351.3 | | | $ | 0.4 | | | $ | 8,150.8 | | | $ | 3,807.7 | | | $ | (79.8) | | | $ | 11,879.1 | | | $ | 80.6 | | | $ | 11,959.7 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| Components of Accumulated Other Comprehensive Income, Net of Tax |
The components of accumulated other comprehensive loss, net of tax, attributable to Intuitive Surgical, Inc. are as follows (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, 2024 | | | Gains on Hedge Instruments | | Unrealized Losses on Available-for-Sale Securities | | Foreign Currency Translation Gains (Losses) | | Employee Benefit Plans | | Total | | Beginning balance | $ | 3.1 | | | $ | (33.9) | | | $ | 21.6 | | | $ | 0.5 | | | $ | (8.7) | | | Other comprehensive income (loss) before reclassifications | 1.1 | | | 5.4 | | | (25.1) | | | — | | | (18.6) | | | Amounts reclassified from accumulated other comprehensive income | 3.7 | | | 0.1 | | | — | | | — | | | 3.8 | | | Net current-period other comprehensive income (loss) | 4.8 | | | 5.5 | | | (25.1) | | | — | | | (14.8) | | | Ending balance | $ | 7.9 | | | $ | (28.4) | | | $ | (3.5) | | | $ | 0.5 | | | $ | (23.5) | | | | | | | | | | | | | | Three Months Ended June 30, 2023 | | | Gains (Losses) on Hedge Instruments | | Unrealized Losses on Available-for-Sale Securities | | Foreign Currency Translation Gains | | Employee Benefit Plans | | Total | | Beginning balance | $ | (0.4) | | | $ | (116.6) | | | $ | 7.3 | | | $ | 1.2 | | | $ | (108.5) | | | Other comprehensive income before reclassifications | 6.9 | | | 13.1 | | | 9.6 | | | — | | | 29.6 | | | Amounts reclassified from accumulated other comprehensive income (loss) | (0.9) | | | — | | | — | | | — | | | (0.9) | | | Net current-period other comprehensive income | 6.0 | | | 13.1 | | | 9.6 | | | — | | | 28.7 | | | Ending balance | $ | 5.6 | | | $ | (103.5) | | | $ | 16.9 | | | $ | 1.2 | | | $ | (79.8) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Six Months Ended June 30, 2024 | | Gains (Losses) on Hedge Instruments | | Unrealized Losses on Available-for-Sale Securities | | Foreign Currency Translation Gains (Losses) | | Employee Benefit Plans | | Total | | Beginning balance | $ | (2.5) | | | $ | (29.7) | | | $ | 19.4 | | | $ | 0.6 | | | $ | (12.2) | | | Other comprehensive income (loss) before reclassifications | 5.2 | | | 1.1 | | | (22.9) | | | — | | | (16.6) | | | Amounts reclassified from accumulated other comprehensive income (loss) | 5.2 | | | 0.2 | | | — | | | (0.1) | | | 5.3 | | | Net current-period other comprehensive income (loss) | 10.4 | | | 1.3 | | | (22.9) | | | (0.1) | | | (11.3) | | | Ending balance | $ | 7.9 | | | $ | (28.4) | | | $ | (3.5) | | | $ | 0.5 | | | $ | (23.5) | | | | | | | | | | | | | Six Months Ended June 30, 2023 | | Gains (Losses) on Hedge Instruments | | Unrealized Losses on Available-for-Sale Securities | | Foreign Currency Translation Gains (Losses) | | Employee Benefit Plans | | Total | | Beginning balance | $ | (2.9) | | | $ | (154.2) | | | $ | (6.6) | | | $ | 1.2 | | | $ | (162.5) | | | Other comprehensive income before reclassifications | 10.6 | | | 50.9 | | | 23.5 | | | — | | | 85.0 | | | Amounts reclassified from accumulated other comprehensive income (loss) | (2.1) | | | (0.2) | | | — | | | — | | | (2.3) | | | Net current-period other comprehensive income | 8.5 | | | 50.7 | | | 23.5 | | | — | | | 82.7 | | | Ending balance | $ | 5.6 | | | $ | (103.5) | | | $ | 16.9 | | | $ | 1.2 | | | $ | (79.8) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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