Indebtedness (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Current portion:
Current portion of notes payable	$ 0.0	$ 3.2
Non-current portion:
Non-current notes payable	6,000.0
Non-current portion of notes payable	5,936.5	5,935.0
Note payable to Fumedica
Current portion:
Notes payable to Fumedica AG	0.0	3.2
2.90% Senior Notes due 2020
Non-current portion:
Non-current notes payable	1,480.8	1,482.4
3.625% Senior Notes due 2022
Non-current portion:
Non-current notes payable	995.5	994.3
4.05% Senior Notes due 2025
Non-current portion:
Non-current notes payable	1,737.8	1,736.3
5.20% Senior Notes due 2045
Non-current portion:
Non-current notes payable	$ 1,722.4	$ 1,722.0

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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