Financial Instruments and Risk Management (Narrative) (Details) € in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2017 USD ($)	Jun. 30, 2017 EUR (€)	Jun. 30, 2017 USD ($)	Jun. 30, 2017 EUR (€)	Jun. 30, 2017 EUR (€)	Dec. 31, 2016 USD ($)	Nov. 22, 2016 USD ($)	Nov. 22, 2016 EUR (€)	Jun. 09, 2016
Derivative [Line Items]
Long-term Debt, Gross		$ 15,069.0		$ 15,069.0
Pre-tax net losses on cash flow hedges to be reclassified from AOCE into earnings in next twelve months				4.0
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings	[1]			78.1
Business Combination Contingent Consideration Liability Payments				$ (36.3)
Contingent consideration | Minimum
Derivative [Line Items]
Rate used to discount net cash inflows to present value				1.50%	1.50%
Contingent consideration | Maximum
Derivative [Line Items]
Rate used to discount net cash inflows to present value				10.00%	10.00%
Other current liabilities
Derivative [Line Items]
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings	[1],[2]			$ 62.9
Business Combination Contingent Consideration Liability Payments	[2]			(36.1)
Senior Notes | 2020 Euro Senior Notes
Derivative [Line Items]
Long-term debt	[3]	853.8		853.8			$ 785.7
Stated percentage rate	[3]							1.25%	1.25%
Senior Notes | 2024 Euro Senior Notes
Derivative [Line Items]
Long-term Debt, Gross								$ 1,000.0
Long-term debt	[4]	1,139.7		1,139.7			1,049.2
Stated percentage rate	[4]							2.25%	2.25%
Senior Notes | 2026 Senior Notes (3.950% coupon)
Derivative [Line Items]
Long-term debt	[5]	2,234.2		2,234.2			2,233.5
Stated percentage rate	[5]									3.95%
Senior Notes | 2028 Euro Senior Notes
Derivative [Line Items]
Long-term debt	[6]	848.6		848.6			781.1
Stated percentage rate	[6]							3.125%	3.125%
Senior Notes | 2018 Floating Rate Euro Notes
Derivative [Line Items]
Long-term Debt, Gross | €									€ 500
Long-term debt	[7]	571.3		571.3			$ 526.0
Net Investment Hedging
Derivative [Line Items]
Notional amount of derivative | €						€ 1,400
Amount of Ineffectiveness on Net Investment Hedges | €			€ 0		€ 0
Net Investment Hedging | 2024 Euro Senior Notes
Derivative [Line Items]
Notional amount of derivative | €						604
Net Investment Hedging | 2028 Euro Senior Notes
Derivative [Line Items]
Notional amount of derivative | €						€ 750
Respiratory delivery platform [Member]
Derivative [Line Items]
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings				(88.1)
Jai Pharma Limited
Derivative [Line Items]
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings	[1]			9.9
Agila Specialties | Other current liabilities
Derivative [Line Items]
Litigation Settlement, Amount		$ 12.5
Business Combination Contingent Consideration Liability Payments				$ 20.0

[1] Included in litigation settlements and other contingencies, net in the Condensed Consolidated Statements of Operations.

[2] Included in other current liabilities on the Condensed Consolidated Balance Sheets.

[3] Instrument is callable by the Company at any time prior to the date that is one month prior to the instrument’s maturity date at the greater of 100% of the principal amount and the sum of the present values of the remaining scheduled payments of principal and interest discounted to the redemption date on an annual basis, at a rate equal to the applicable Bund Rate (as defined in the Euro Notes Indenture), plus 0.30% plus, in each case, accrued and unpaid interest. On or after such date, the instrument is callable by the Company at 100% of the principal amount plus accrued and unpaid interest.

[4] Instrument is callable by the Company at any time prior to the date that is two months prior to the instrument’s maturity date at the greater of 100% of the principal amount and the sum of the present values of the remaining scheduled payments of principal and interest discounted to the redemption date on an annual basis, at a rate equal to the applicable Bund Rate (as defined in the Euro Notes Indenture), plus 0.35% plus, in each case, accrued and unpaid interest. On or after such date, the instrument is callable by the Company at 100% of the principal amount plus accrued and unpaid interest.

[5] Instrument is callable by the Company at any time prior to the date that is three months prior to the instrument’s maturity date at the greater of 100% of the principal amount and the sum of the present values of the remaining scheduled payments of principal and interest discounted at the U.S. Treasury rate plus 0.35% plus, in each case, accrued and unpaid interest. On or after such date, the instrument is callable by the Company at 100% of the principal amount plus accrued and unpaid interest.

[6] Instrument is callable by the Company at any time prior to the date that is three months prior to the instrument’s maturity date at the greater of 100% of the principal amount and the sum of the present values of the remaining scheduled payments of principal and interest discounted to the redemption date on an annual basis, at a rate equal to the applicable Bund Rate (as defined in the Euro Notes Indenture), plus 0.45% plus, in each case, accrued and unpaid interest. On or after such date, the instrument is callable by the Company at 100% of the principal amount plus accrued and unpaid interest.

[7] Instrument bears interest at a rate of three-month EURIBOR plus 0.870% per annum, reset quarterly.