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v3.20.2

Other Consolidated Financial Statement (Details Textual) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Class of Stock [Line Items] |  |  |  |  |
Gain (loss) on investments, net | $ 106.8 | $ (173.4) | $ 29.5 | $ 203.0 |
Other long-term liabilities | 1,475.4 |  | 1,475.4 |  | $ 1,348.9
Accrued income taxes | 743.2 |  | 743.2 |  | 803.3
Net gains recognized on the increase in fair value of equity securities | 102.9 | (131.3) | 42.0 | 159.5 |
Proceeds from sale of available-for-sale securities, equity |  |  | 0.5 | $ 309.7 |
Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Income Tax Expense |  |  | $ 635.0 |  | $ 697.0
Ionis |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Net gains recognized on the increase in fair value of equity securities | 67.2 |  |  |  |
Proceeds from sale of available-for-sale securities, equity |  | $ 203.0 |  |  |
Sangamo |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Net gains recognized on the increase in fair value of equity securities | $ 40.9 |  |  |  |

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