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Other Consolidated Financial Statement (Details Textual) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Net gains recognized on the increase in fair value of equity securities | $ (426.9) | $ (82.3) | $ (715.2) | $ (40.3) |
Net gains (losses) realized during the period on equity securities | 2.7 | $ 0.0 | 9.3 | $ 0.0 |
Other long-term liabilities | 1,318.2 |  | 1,318.2 |  | $ 1,329.6
Accrued income taxes | 657.6 |  | 657.6 |  | $ 709.9
Ionis, Sangamo, Denali and Sage |  |  |  |  |
Net gains recognized on the increase in fair value of equity securities | $ 424.3 |  |  |  |
Net losses recognized on the decrease in fair value of equity securities |  |  | $ 709.1 |  |

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