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v3.19.1

Derivative Instruments (Details) $ in Millions, ₩ in Billions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2018 KRW (₩) | Mar. 31, 2018 USD ($) | Dec. 31, 2018 USD ($) | Jun. 30, 2018
Derivatives [Line Items] |  |  |  |  |  |
Gain/Loss on fair value of foreign currency forward contracts | $ 44.3 | $ (27.3) |  |  | $ (27.3) |
Gain (losses) on net investment hedge | 14.0 |  |  | $ 0.0 |  |
Net gains (losses) of other income (expense) related to foreign currency forward contracts | $ (4.8) |  |  | 5.6 |  |
Minimum |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Range of durations of foreign currency forward contracts | 1 month |  |  |  |  |
Maximum |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Range of durations of foreign currency forward contracts | 12 months |  |  |  |  |
Not designated as hedging instrument |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Aggregate notional amount | $ 895.0 | 735.1 |  |  | 735.1 |
Other current assets | Designated as hedging instrument |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Derivative asset, fair value | 101.4 | 65.8 |  |  | 65.8 |
Other current assets | Not designated as hedging instrument |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Derivative asset, fair value | 3.0 | 1.1 |  |  | 1.1 |
Accrued expenses and other | Designated as hedging instrument |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Derivative liability, fair value | 6.6 | 6.9 |  |  | 6.9 |
Accrued expenses and other | Not designated as hedging instrument |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Derivative liability, fair value | 8.2 | 3.2 |  |  | 3.2 |
Foreign exchange contract | Designated as hedging instrument |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Aggregate notional amount | 2,144.0 | 2,239.1 |  |  | $ 2,239.1 |
Interest rate swap | Designated as hedging instrument |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Aggregate notional amount | 675.0 |  |  |  |  |
Net Investment Hedging |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Remaining duration of Net Investment Hedges |  |  |  |  | 7 months |
Unrealized gain (loss) on net investment hedges in AOCI | 8.0 |  |  |  | $ 3.8 |
Derivative qualifying as net investment hedge, excluded component | 9.5 | 7.3 |  |  | 7.3 |
Gain (losses) on net investment hedge | 11.8 |  |  | 0.0 |  |
Gains (losses) on net investment hedge, excluded component | 4.4 |  |  | 0.0 |  |
Revenue | Cash flows, revenue | Foreign exchange contract |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Gain (loss) on reclassification of cash flow hedges, effective portion | 14.8 |  |  | (32.9) |  |
Gain (loss) recognized in net income, excluded component | 3.7 |  |  | (0.9) |  |
Operating expense | Cash flows, operating expenses | Foreign exchange contract |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Gain (loss) on reclassification of cash flow hedges, effective portion | (0.5) |  |  | 1.3 |  |
Gain (loss) recognized in net income, excluded component | (0.9) |  |  | (0.3) |  |
Other income (expense) | Net Investment Hedging |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Gain (loss) recognized in net income, excluded component | 2.2 |  |  | $ 0.0 |  |
Euro | Foreign exchange contract | Designated as hedging instrument |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Aggregate notional amount | 1,722.2 | 1,701.4 |  |  | 1,701.4 |
British pound | Foreign exchange contract | Designated as hedging instrument |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Aggregate notional amount | 170.9 | 215.3 |  |  | 215.3 |
Swiss franc | Foreign exchange contract | Designated as hedging instrument |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Aggregate notional amount | 99.2 | 131.4 |  |  | 131.4 |
Japan, Yen | Foreign exchange contract | Designated as hedging instrument |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Aggregate notional amount | 79.5 | 98.8 |  |  | 98.8 |
Canadian dollar | Foreign exchange contract | Designated as hedging instrument |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Aggregate notional amount | $ 72.2 | 92.2 |  |  | 92.2 |
2.900% Senior Notes due 2020 |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Senior Notes interest rate | 2.90% |  |  |  |  |
2.900% Senior Notes due 2020 | Interest rate swap | Other long-term liabilities | Designated as hedging instrument |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Derivative liability, fair value | $ 9.3 | 14.5 |  |  | $ 14.5 |
Samsung Bioepis |  |  |  |  |  |
Derivatives [Line Items] |  |  |  |  |  |
Percentage of stake in entity |  |  |  |  |  | 5.00%
Equity Method Investment, Ownership Percentage | 49.90% |  |  |  |  |
Payments to acquire additional investment in equity method investment |  | $ 676.6 | ₩ 759.5 |  |  |

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