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Restructuring (Restructuring Charges) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2022
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 296.7
Charges	16.8
Cash payment	(83.8)
Utilization	(4.2)
Foreign currency translation	(2.2)
Ending Balance	223.3	$ 296.7
Maximum \| 2020 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Settled without Cash	450.0
Restructuring Reserve [Roll Forward]
Charges		1,400.0
Maximum \| 2020 Restructuring Plan \| Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining			$ 950.0
Developed Markets
Restructuring Reserve [Roll Forward]
Charges	12.7
Greater China
Restructuring Reserve [Roll Forward]
Charges	1.3
JANZ
Restructuring Reserve [Roll Forward]
Charges	0.1
Emerging Markets
Restructuring Reserve [Roll Forward]
Charges	2.6
Corporate and Other
Restructuring Reserve [Roll Forward]
Charges	0.1
Employee Related Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	292.6
Charges	7.3
Cash payment	(77.6)
Utilization	0.0
Foreign currency translation	(2.1)
Ending Balance	220.2	292.6
Other Exit Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	4.1
Charges	9.5
Cash payment	(6.2)
Utilization	(4.2)
Foreign currency translation	(0.1)
Ending Balance	$ 3.1	$ 4.1