Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended
	Mar. 31, 2022	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
In-process research and development	$ 45.7	$ 45.7		$ 46.5
Contingent consideration	198.4	198.4		199.7
Business Combination Contingent Consideration Liability Payments		(15.5)
Intangible asset impairment charges		0.0	$ 83.4
Goodwill	10,978.8	10,978.8		12,113.7
Greater China
Finite-Lived Intangible Assets [Line Items]
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount	$ 797.0	$ 797.0
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	5.30%	5.30%
Good will, After Amortization Expense, Before Reclassification	$ 4,950.0	$ 4,950.0
Greater China | Measurement Input, Long-term Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.005)	(0.005)
Greater China | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input, Term	10 years
Greater China | Valuation Technique, Discounted Cash Flow | Measurement Input, Long-term Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.095)	(0.095)
Greater China | Valuation Technique, Discounted Cash Flow | Measurement Input, Terminal Year Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.010)	(0.010)
Greater China | Valuation Technique, Discounted Cash Flow | Measurement Input, Estimated Tax Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.153)	(0.153)
Greater China | Valuation Technique, Discounted Cash Flow | Measurement Input, Control Premium
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.150)	(0.150)
Greater China | Valuation Technique, Discounted Cash Flow | Measurement Input, Reduction in Terminal Year Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	0.030	0.030
Greater China | Valuation Technique, Discounted Cash Flow | Measurement Input, Increase in Discount Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.015)	(0.015)
North America Segment
Finite-Lived Intangible Assets [Line Items]
Good will, After Amortization Expense, Before Reclassification	$ 3,610.0	$ 3,610.0
Emerging Markets
Finite-Lived Intangible Assets [Line Items]
Goodwill	1,483.5	1,483.5		1,644.5
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount	$ 816.0	$ 816.0
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	10.30%	10.30%
Good will, After Amortization Expense, Before Reclassification	$ 1,640.0	$ 1,640.0
Emerging Markets | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input, Term	10 years
Emerging Markets | Valuation Technique, Discounted Cash Flow | Measurement Input, Long-term Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.016)	(0.016)
Emerging Markets | Valuation Technique, Discounted Cash Flow | Measurement Input, Terminal Year Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.008)	(0.008)
Emerging Markets | Valuation Technique, Discounted Cash Flow | Measurement Input, Estimated Tax Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.184)	(0.184)
Emerging Markets | Valuation Technique, Discounted Cash Flow | Measurement Input, EBITDA Multiple
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(7.5)	(7.5)
Emerging Markets | Valuation Technique, Discounted Cash Flow | Measurement Input, Reduction in Terminal Year Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	0.085	0.085
Emerging Markets | Valuation Technique, Discounted Cash Flow | Measurement Input, Increase in Discount Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.030)	(0.030)
Emerging Markets | Valuation Technique, Discounted Cash Flow | Measurement Input, Discount Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.105)	(0.105)
JANZ
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 738.9	$ 738.9		776.3
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount	$ 231.0	$ 231.0
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	7.40%	7.40%
Good will, After Amortization Expense, Before Reclassification	$ 780.0	$ 780.0
JANZ | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input, Term	10 years
JANZ | Valuation Technique, Discounted Cash Flow | Measurement Input, Long-term Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.048)	(0.048)
JANZ | Valuation Technique, Discounted Cash Flow | Measurement Input, Terminal Year Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	0	0
JANZ | Valuation Technique, Discounted Cash Flow | Measurement Input, Estimated Tax Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.304)	(0.304)
JANZ | Valuation Technique, Discounted Cash Flow | Measurement Input, EBITDA Multiple
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(6.0)	(6.0)
JANZ | Valuation Technique, Discounted Cash Flow | Measurement Input, Control Premium
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.150)	(0.150)
JANZ | Valuation Technique, Discounted Cash Flow | Measurement Input, Reduction in Terminal Year Revenue Growth Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	0.035	0.035
JANZ | Valuation Technique, Discounted Cash Flow | Measurement Input, Increase in Discount Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.020)	(0.020)
JANZ | Valuation Technique, Discounted Cash Flow | Measurement Input, Discount Rate
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(0.060)	(0.060)
Greater China
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 967.2	$ 967.2		969.5
Good will, After Amortization Expense, Before Reclassification	$ 970.0	$ 970.0
Minimum | Greater China | Valuation Technique, Discounted Cash Flow | Measurement Input, EBITDA Multiple
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(7.5)	(7.5)
Maximum | Greater China | Valuation Technique, Discounted Cash Flow | Measurement Input, EBITDA Multiple
Finite-Lived Intangible Assets [Line Items]
Goodwill Impairment, Measurement Input	(8.0)	(8.0)
Other Current Liabilities [Member]
Finite-Lived Intangible Assets [Line Items]
Contingent consideration	$ 86.2	$ 86.2		$ 66.7
Business Combination Contingent Consideration Liability Payments		(15.5)
Reconciling items:
Finite-Lived Intangible Assets [Line Items]
Intangible asset impairment charges		$ 0.0	$ 83.4