Goodwill and Intangible Assets (Changes in Carrying Amount of Goodwill) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Goodwill [Roll Forward]
Goodwill, gross, beginning balance	$ 12,498.7
Accumulated impairment losses, beginning balance	(385.0)
Foreign currency translation	(181.9)
Goodwill, net, beginning balance	12,113.7
Accumulated impairment losses, ending balance	(385.0)
Goodwill, gross, ending balance	11,363.8
Goodwill, net, ending balance	10,978.8
Goodwill, Transfers	(953.0)
Developed Markets
Goodwill [Roll Forward]
Goodwill, gross, beginning balance	9,108.4
Accumulated impairment losses, beginning balance	(385.0)
Foreign currency translation	(172.2)
Goodwill, net, beginning balance	8,723.4
Accumulated impairment losses, ending balance	(385.0)
Goodwill, gross, ending balance	8,174.2
Goodwill, net, ending balance	7,789.2
Goodwill, Transfers	(762.0)
Greater China
Goodwill [Roll Forward]
Goodwill, gross, beginning balance	969.5
Accumulated impairment losses, beginning balance	0.0
Foreign currency translation	0.7
Goodwill, net, beginning balance	969.5
Accumulated impairment losses, ending balance	0.0
Goodwill, gross, ending balance	967.2
Goodwill, net, ending balance	967.2
Goodwill, Transfers	(3.0)
JANZ
Goodwill [Roll Forward]
Goodwill, gross, beginning balance	776.3
Accumulated impairment losses, beginning balance	0.0
Foreign currency translation	(0.4)
Goodwill, net, beginning balance	776.3
Accumulated impairment losses, ending balance	0.0
Goodwill, gross, ending balance	738.9
Goodwill, net, ending balance	738.9
Goodwill, Transfers	(37.0)
Emerging Markets
Goodwill [Roll Forward]
Goodwill, gross, beginning balance	1,644.5
Accumulated impairment losses, beginning balance	0.0
Foreign currency translation	(10.0)
Goodwill, net, beginning balance	1,644.5
Accumulated impairment losses, ending balance	0.0
Goodwill, gross, ending balance	1,483.5
Goodwill, net, ending balance	1,483.5
Goodwill, Transfers	$ (151.0)