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Fair Value Measurements (Details 1) SFr in Millions, $ in Millions	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2006 CHF (SFr)
Debt Instrument
Total fair value	$ 6,037.6	$ 6,483.3
Notes Payable to Fumedica
Debt Instrument
Notes Payable | SFr			SFr 61.4
Notes payable, fair value	0.0	3.2
2.90% Senior Notes due 2020
Debt Instrument
Notes payable, fair value	1,489.5	1,517.7
3.625% Senior Notes due 2022
Debt Instrument
Notes payable, fair value	1,000.4	1,032.9
4.05% Senior Notes due 2025
Debt Instrument
Notes payable, fair value	1,745.1	1,851.9
5.20% Senior Notes due 2045
Debt Instrument
Notes payable, fair value	$ 1,802.6	$ 2,077.6

X

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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