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Other Consolidated Financial Statement (Details Textual) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Net gains recognized on the increase in fair value of equity securities | $ 153.9 | $ 102.9 | $ (288.4) | $ 42.0 |
Net gains (losses) realized during the period on equity securities | 0.4 | $ 0.0 | 6.6 | $ 0.0 |
Other long-term liabilities | 1,356.4 |  | 1,356.4 |  | $ 1,329.6
Accrued income taxes | 652.7 |  | 652.7 |  | $ 709.9
Ionis, Sangamo, Denali and Sage |  |  |  |  |
Net gains recognized on the increase in fair value of equity securities | 263.0 |  |  |  |
Net losses recognized on the decrease in fair value of equity securities | $ 105.8 |  | $ 284.8 |  |

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