Financial Instruments (Details) € in Millions, ¥ in Millions, £ in Millions, $ in Millions | 3 Months Ended | | |
Mar. 31, 2017USD ($) | Mar. 31, 2016USD ($) | Mar. 31, 2017EUR (€) | Mar. 31, 2017GBP (£) | Mar. 31, 2017USD ($) | Mar. 31, 2017JPY (¥) | Dec. 31, 2016USD ($) |
Transfer of Financial Assets Accounted for as Sales, Amount Derecognized | | | | | | $ 652 | | $ 661.6 |
Interest Expense | | $ 46.6 | $ 43.4 | | | | | |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax | | | | | | 280.5 | | 352.6 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | | | | | | 24.6 | | 34.1 |
Available-for-sale Securities, Gross Realized Gains | | 51.7 | 1.8 | | | | | |
Repayments of Long-term Debt | | $ 630.2 | 0 | | | | | |
Available-for-sale Securities, Debt Securities | | | | | | $ 5,118.5 | | |
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Percentage of Nonperforming Assets | | 95.00% | | | | | | |
Maximum Remaining Maturity of Foreign Currency Derivatives | | 30 days | | | | | | |
Description of Derivative Activity Volume Percent | | | | 25.00% | 25.00% | 25.00% | 25.00% | |
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net | | | | | | $ 15.1 | | |
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability | | $ 49.9 | | | | | | |
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value | | | | | | 3,871.7 | | |
Available-for-sale Securities, Continuous Unrealized Gain Position, Fair Value | | | | | | 2,173.7 | | 1,869.7 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | | | | | | 3,030.5 | | 3,262.3 |
Other than Temporary Impairment Losses, Investments | | 0 | 25.7 | | | | | |
Proceeds from Sale and Maturity of Available-for-sale Securities | | 1,092.5 | 726.4 | | | | | |
Available-for-sale Securities, Gross Realized Losses | | 1.3 | 7.3 | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value | | | | | | 886.6 | | |
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value | | | | | | 151.2 | | |
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | | | | | | 209 | | |
Investment Income, Interest | | 32.6 | 24.2 | | | | | |
Foreign Currency Transaction Gain (Loss), Realized | | 0 | (203.9) | | | | | |
Other Nonoperating Income (Expense) | | 29.1 | 74.1 | | | | | |
Nonoperating Income (Expense) | | 15.1 | (149) | | | | | |
Net Investment Hedging [Member] | | | | | | | | |
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net | | (78.9) | (77.8) | | | | | |
Foreign Currency Denominated Debt [Member] | | | | | | | | |
Long-term Debt | | | | | | (3,420) | | (3,340) |
Cross Currency Interest Rate Contract [Member] | Net Investment Hedging [Member] | | | | | | | | |
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net | | (6) | (1.2) | | | | | |
Buy British pound Sell euro [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Derivative Liability, Notional Amount | £ | | | | | £ 269.3 | | | |
Derivative Asset, Notional Amount | € | | | | € 310.1 | | | | |
Buy US dollar Sell euro [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Derivative Liability, Notional Amount | | | | | | 4,160 | | |
Derivative Asset, Notional Amount | € | | | | 3,890 | | | | |
Buy euro Sell US dollar [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Derivative Liability, Notional Amount | € | | | | € 3,470 | | | | |
Derivative Asset, Notional Amount | | | | | | 3,750 | | |
Buy US dollar Sell Japanese Yen [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Derivative Liability, Notional Amount | | | | | | 587.1 | | |
Derivative Asset, Notional Amount | ¥ | | | | | | | ¥ 65,960 | |
Buy US dollar Sell British pound [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Derivative Liability, Notional Amount | | | | | | 224.4 | | |
Derivative Asset, Notional Amount | £ | | | | | £ 180.6 | | | |
Hedged Fixed Rate Debt [Member] | Designated as Hedging Instrument [Member] | | | | | | | | |
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge | | (7.5) | 75.3 | | | | | |
Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | | | | | | | | |
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments | | 7.5 | (75.3) | | | | | |
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion | | 3.8 | 3.7 | | | | | |
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | | | | | | | | |
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments | | $ 37.2 | $ 13.3 | | | | | |
Estimate of Fair Value Measurement [Member] | | | | | | | | |
Short-term Debt | | | | | | (1,798.8) | | (1,299.3) |
Cash and Cash Equivalents, Fair Value Disclosure | | | | | | 990.5 | | 2,986.8 |
Long-term Debt | | | | | | (8,760.8) | | (9,419.1) |
Estimate of Fair Value Measurement [Member] | Not Designated as Hedging Instrument [Member] | | | | | | | | |
Business Combination, Contingent Consideration, Liability, Current | [1] | | | | | (213.8) | | (215.9) |
Business Combination, Contingent Consideration, Liability, Noncurrent | [1] | | | | | (189.4) | | (242.6) |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | | | | | | | | |
Short-term Debt | | | | | | 0 | | 0 |
Cash and Cash Equivalents, Fair Value Disclosure | | | | | | 916.8 | | 2,699.4 |
Long-term Debt | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Not Designated as Hedging Instrument [Member] | | | | | | | | |
Business Combination, Contingent Consideration, Liability, Current | [1] | | | | | 0 | | 0 |
Business Combination, Contingent Consideration, Liability, Noncurrent | [1] | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | | | | | | | | |
Short-term Debt | | | | | | (1,798.8) | | (1,299.3) |
Cash and Cash Equivalents, Fair Value Disclosure | | | | | | 73.7 | | 287.4 |
Long-term Debt | | | | | | (8,760.8) | | (9,419.1) |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Not Designated as Hedging Instrument [Member] | | | | | | | | |
Business Combination, Contingent Consideration, Liability, Current | [1] | | | | | 0 | | 0 |
Business Combination, Contingent Consideration, Liability, Noncurrent | [1] | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | |
Short-term Debt | | | | | | 0 | | 0 |
Cash and Cash Equivalents, Fair Value Disclosure | | | | | | 0 | | 0 |
Long-term Debt | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Not Designated as Hedging Instrument [Member] | | | | | | | | |
Business Combination, Contingent Consideration, Liability, Current | [1] | | | | | (213.8) | | (215.9) |
Business Combination, Contingent Consideration, Liability, Noncurrent | [1] | | | | | (189.4) | | (242.6) |
Estimate of Fair Value Measurement [Member] | Corporate Debt Securities [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 784.7 | | 1,219.2 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 3,188 | | 3,062.2 |
Estimate of Fair Value Measurement [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 0 | | 0 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 784.7 | | 1,219.2 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 3,188 | | 3,062.2 |
Estimate of Fair Value Measurement [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 0 | | 0 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | US Government Agencies Debt Securities [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 98.9 | | 232.5 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 359.1 | | 318.9 |
Estimate of Fair Value Measurement [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 98.9 | | 232.5 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 359.1 | | 318.9 |
Estimate of Fair Value Measurement [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 0 | | 0 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 0 | | 0 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Other Debt Obligations [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 2.1 | | 0.5 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 167.1 | | 153.7 |
Estimate of Fair Value Measurement [Member] | Other Debt Obligations [Member] | Fair Value, Inputs, Level 1 [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 0 | | 0 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Other Debt Obligations [Member] | Fair Value, Inputs, Level 2 [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 2.1 | | 0.5 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Other Debt Obligations [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 0 | | 0 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 167.1 | | 153.7 |
Estimate of Fair Value Measurement [Member] | Collateralized Mortgage Backed Securities [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 171.5 | | 183.1 |
Estimate of Fair Value Measurement [Member] | Collateralized Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Collateralized Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 171.5 | | 183.1 |
Estimate of Fair Value Measurement [Member] | Collateralized Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Asset-backed Securities [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 3 | | 4.3 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 513.4 | | 502.7 |
Estimate of Fair Value Measurement [Member] | Asset-backed Securities [Member] | Fair Value, Inputs, Level 1 [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 0 | | 0 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Asset-backed Securities [Member] | Fair Value, Inputs, Level 2 [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 3 | | 4.3 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 513.4 | | 502.7 |
Estimate of Fair Value Measurement [Member] | Asset-backed Securities [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 0 | | 0 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Equity Securities, US [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Equity Securities, Noncurrent | | | | | | 340.1 | | 418.2 |
Estimate of Fair Value Measurement [Member] | Equity Securities, US [Member] | Fair Value, Inputs, Level 1 [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Equity Securities, Noncurrent | | | | | | 340.1 | | 418.2 |
Estimate of Fair Value Measurement [Member] | Equity Securities, US [Member] | Fair Value, Inputs, Level 2 [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Equity Securities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Equity Securities, US [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Equity Securities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Cross Currency Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 5.3 | | |
Derivative Assets, Noncurrent | | | | | | 21.3 | | 31.4 |
Estimate of Fair Value Measurement [Member] | Cross Currency Interest Rate Contract [Member] | Fair Value, Inputs, Level 1 [Member] | Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 0 | | |
Derivative Assets, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Cross Currency Interest Rate Contract [Member] | Fair Value, Inputs, Level 2 [Member] | Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 5.3 | | |
Derivative Assets, Noncurrent | | | | | | 21.3 | | 31.4 |
Estimate of Fair Value Measurement [Member] | Cross Currency Interest Rate Contract [Member] | Fair Value, Inputs, Level 3 [Member] | Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 0 | | |
Derivative Assets, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 4.3 | | 2.4 |
Derivative Assets, Noncurrent | | | | | | 28.9 | | 37 |
Derivative Liabilities, Current | | | | | | (0.4) | | |
Derivative Liabilities, Noncurrent | | | | | | (1) | | (0.5) |
Estimate of Fair Value Measurement [Member] | Interest Rate Contract [Member] | Fair Value, Inputs, Level 1 [Member] | Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 0 | | 0 |
Derivative Assets, Noncurrent | | | | | | 0 | | 0 |
Derivative Liabilities, Current | | | | | | 0 | | |
Derivative Liabilities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Interest Rate Contract [Member] | Fair Value, Inputs, Level 2 [Member] | Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 4.3 | | 2.4 |
Derivative Assets, Noncurrent | | | | | | 28.9 | | 37 |
Derivative Liabilities, Current | | | | | | (0.4) | | |
Derivative Liabilities, Noncurrent | | | | | | (1) | | (0.5) |
Estimate of Fair Value Measurement [Member] | Interest Rate Contract [Member] | Fair Value, Inputs, Level 3 [Member] | Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 0 | | 0 |
Derivative Assets, Noncurrent | | | | | | 0 | | 0 |
Derivative Liabilities, Current | | | | | | 0 | | |
Derivative Liabilities, Noncurrent | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 8.2 | | 31.8 |
Derivative Liabilities, Current | | | | | | (49.5) | | (21.7) |
Estimate of Fair Value Measurement [Member] | Foreign Exchange Contract [Member] | Fair Value, Inputs, Level 1 [Member] | Not Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 0 | | 0 |
Derivative Liabilities, Current | | | | | | 0 | | 0 |
Estimate of Fair Value Measurement [Member] | Foreign Exchange Contract [Member] | Fair Value, Inputs, Level 2 [Member] | Not Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 8.2 | | 31.8 |
Derivative Liabilities, Current | | | | | | (49.5) | | (21.7) |
Estimate of Fair Value Measurement [Member] | Foreign Exchange Contract [Member] | Fair Value, Inputs, Level 3 [Member] | Not Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 0 | | 0 |
Derivative Liabilities, Current | | | | | | 0 | | 0 |
Reported Value Measurement [Member] | | | | | | | | |
Short-term Debt | | | | | | (1,799.7) | | (1,299.3) |
Cash and Cash Equivalents, Fair Value Disclosure | | | | | | 990.5 | | 2,986.8 |
Long-term Debt | | | | | | (8,447.1) | | (9,005.9) |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Current, Total | | | | | | 888.7 | | 1,456.5 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Noncurrent, Total | | | | | | 5,297.7 | | 5,207.5 |
Reported Value Measurement [Member] | Not Designated as Hedging Instrument [Member] | | | | | | | | |
Business Combination, Contingent Consideration, Liability, Current | [1] | | | | | (213.8) | | (215.9) |
Business Combination, Contingent Consideration, Liability, Noncurrent | [1] | | | | | (189.4) | | (242.6) |
Reported Value Measurement [Member] | Corporate Debt Securities [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 784.7 | | 1,219.2 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 3,188 | | 3,062.2 |
Reported Value Measurement [Member] | US Government Agencies Debt Securities [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 98.9 | | 232.5 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 359.1 | | 318.9 |
Reported Value Measurement [Member] | Other Debt Obligations [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 2.1 | | 0.5 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 167.1 | | 153.7 |
Reported Value Measurement [Member] | Collateralized Mortgage Backed Securities [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 171.5 | | 183.1 |
Reported Value Measurement [Member] | Asset-backed Securities [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | | | | | | 3 | | 4.3 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | | | | | | 513.4 | | 502.7 |
Reported Value Measurement [Member] | Equity Securities, US [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Equity Securities, Noncurrent | | | | | | 340.1 | | 418.2 |
Reported Value Measurement [Member] | Equity Method and Other Investments [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Other Long-term Investments | [2] | | | | | 558.5 | | 568.7 |
Reported Value Measurement [Member] | Cross Currency Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 5.3 | | |
Derivative Assets, Noncurrent | | | | | | 21.3 | | 31.4 |
Reported Value Measurement [Member] | Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 4.3 | | 2.4 |
Derivative Assets, Noncurrent | | | | | | 28.9 | | 37 |
Derivative Liabilities, Current | | | | | | (0.4) | | |
Derivative Liabilities, Noncurrent | | | | | | (1) | | (0.5) |
Reported Value Measurement [Member] | Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | | | | | | | | |
Derivative Assets, Current | | | | | | 8.2 | | 31.8 |
Derivative Liabilities, Current | | | | | | (49.5) | | (21.7) |
Portion at Other than Fair Value Measurement [Member] | | | | | | | | |
Cash and Cash Equivalents, Fair Value Disclosure | [3] | | | | | 990.5 | | 2,986.8 |
Portion at Other than Fair Value Measurement [Member] | Corporate Debt Securities [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | [3] | | | | | 784.4 | | 1,219.1 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | [3] | | | | | 3,191.3 | | 3,074.3 |
Portion at Other than Fair Value Measurement [Member] | US Government Agencies Debt Securities [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | [3] | | | | | 99 | | 232.6 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | [3] | | | | | 363.2 | | 323.8 |
Portion at Other than Fair Value Measurement [Member] | Other Debt Obligations [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | [3] | | | | | 2.1 | | 0.5 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | [3] | | | | | 83.3 | | 77.6 |
Portion at Other than Fair Value Measurement [Member] | Collateralized Mortgage Backed Securities [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | [3] | | | | | 173.6 | | 185.4 |
Portion at Other than Fair Value Measurement [Member] | Asset-backed Securities [Member] | | | | | | | | |
Available-for-sale Securities, Current [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Current | [3] | | | | | 3 | | 4.3 |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Debt Securities, Noncurrent | [3] | | | | | 514.3 | | 503.5 |
Portion at Other than Fair Value Measurement [Member] | Equity Securities, US [Member] | | | | | | | | |
Available-for-sale Securities, Noncurrent [Abstract] | | | | | | | | |
Available-for-sale Securities, Equity Securities, Noncurrent | [3] | | | | | $ 78.3 | | $ 91.9 |
| |
[1] | (1) Contingent consideration liabilities primarily relate to the Erbitux arrangement with BMS discussed in Note 4. | |
[2] | (2) Fair value disclosures are not applicable for cost method and equity method investments. | |
[3] | (1) For available-for-sale debt securities, amounts disclosed represent the securities' amortized cost. | |