Goodwill and Other Intangible Assets (Narrative) (Details)		12 Months Ended
	Apr. 01, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Intangible Assets Excluding Goodwill [Line Items]
Finite-lived intangible assets, net		$ 26,087,700,000	$ 29,602,500,000
Contingent consideration liability		199,700,000	223,600,000	$ 250,700,000
Contingent consideration payments		(83,200,000)	(111,800,000)
In-process research and development		46,500,000	80,700,000
Goodwill, Impaired, Accumulated Impairment Loss		385,000,000.0	385,000,000.0	385,000,000.0
Goodwill		12,113,700,000	12,347,000,000	9,590,600,000
In-process research and development
Intangible Assets Excluding Goodwill [Line Items]
IPR&D intangible asset impairment charges		19,400,000	37,400,000	138,300,000
Product rights and licenses
Intangible Assets Excluding Goodwill [Line Items]
Finite-lived intangible assets, net		26,084,500,000	29,598,700,000
Impairment of products rights and licenses intangible assets		83,400,000	45,000,000.0	42,300,000
Europe Segment
Intangible Assets Excluding Goodwill [Line Items]
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount	$ 910,000,000
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	5.80%
Goodwill	$ 5,150,000,000
Europe Segment | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input, Term	10 years
North America Segment
Intangible Assets Excluding Goodwill [Line Items]
Goodwill	$ 3,660,000,000
JANZ
Intangible Assets Excluding Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss		0	0	0
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount	$ 230,000,000
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	7.00%
Goodwill	$ 820,000,000	776,300,000	864,000,000.0	$ 584,800,000
JANZ | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input, Term	10 years
JANZ | Product rights and licenses
Intangible Assets Excluding Goodwill [Line Items]
Finite-lived intangible assets, net		$ 1,495,800,000	$ 2,803,200,000
Measurement Input, Discount Rate [Member] | In-process research and development | Minimum
Intangible Assets Excluding Goodwill [Line Items]
Rate used to discount net cash inflows to present values		0.070	0.090	0.090
Measurement Input, Discount Rate [Member] | In-process research and development | Maximum
Intangible Assets Excluding Goodwill [Line Items]
Rate used to discount net cash inflows to present values		0.090	0.110	0.110
Measurement Input, Discount Rate [Member] | Product rights and licenses | Minimum
Intangible Assets Excluding Goodwill [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		$ 0.090
Measurement Input, Discount Rate [Member] | Product rights and licenses | Maximum
Intangible Assets Excluding Goodwill [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		0.110
Measurement Input, Discount Rate [Member] | JANZ | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	0.085
Measurement Input, Long-term Revenue Growth Rate [Member] | Europe Segment | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	0.030
Measurement Input, Long-term Revenue Growth Rate [Member] | JANZ | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	0.015
Measurement Input, Estimated Tax Rate [Member] | Europe Segment | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	0.190
Measurement Input, Estimated Tax Rate [Member] | JANZ | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	0.305
Measurement Input, EBITDA Multiple [Member] | Europe Segment | Minimum | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	7.5
Measurement Input, EBITDA Multiple [Member] | Europe Segment | Maximum | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	8.5
Measurement Input, EBITDA Multiple [Member] | JANZ | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	6.0
Measurement Input, Control Premium [Member] | Europe Segment | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	0.150
Measurement Input, Control Premium [Member] | JANZ | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	0.150
Measurement Input, Terminal Year Revenue Growth Rate | Europe Segment | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	0.009
Measurement Input, Terminal Year Revenue Growth Rate | JANZ | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	0.007
Measurement Input, Reduction in Terminal Year Revenue Growth Rate | Europe Segment | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	(0.029)
Measurement Input, Reduction in Terminal Year Revenue Growth Rate | JANZ | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	(0.042)
Measurement Input, Increase in Discount Rate | Europe Segment | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	0.015
Measurement Input, Increase in Discount Rate | JANZ | Valuation Technique, Discounted Cash Flow
Intangible Assets Excluding Goodwill [Line Items]
Goodwill Impairment, Measurement Input	0.020
Respiratory delivery platform [Member]
Intangible Assets Excluding Goodwill [Line Items]
Contingent consideration liability		177,800,000
Other current liabilities
Intangible Assets Excluding Goodwill [Line Items]
Contingent consideration liability		66,700,000	$ 100,500,000	$ 120,400,000
Contingent consideration payments		$ (83,200,000)	$ (111,800,000)