Long-lived Assets (Schedule of Changes in Carrying Amount of Goodwill) (Details) $ in Millions	9 Months Ended
Sep. 30, 2021 USD ($)
Goodwill [Roll Forward]
Goodwill beginning balance	$ 9,965.7
Acquisitions and related adjustments	17.7
Foreign currency translation adjustments and other	(572.9)
Goodwill ending balance	9,410.5
Switzerland
Goodwill [Roll Forward]
Goodwill beginning balance	6,816.0
Acquisitions and related adjustments	17.7
Foreign currency translation adjustments and other	(404.2)
Goodwill ending balance	6,429.5
Belgium
Goodwill [Roll Forward]
Goodwill beginning balance	2,783.7
Acquisitions and related adjustments	0.0
Foreign currency translation adjustments and other	(149.2)
Goodwill ending balance	2,634.5
Ireland
Goodwill [Roll Forward]
Goodwill beginning balance	296.2
Acquisitions and related adjustments	0.0
Foreign currency translation adjustments and other	(15.8)
Goodwill ending balance	280.4
Central and Other
Goodwill [Roll Forward]
Goodwill beginning balance	69.8
Acquisitions and related adjustments	0.0
Foreign currency translation adjustments and other	(3.7)
Goodwill ending balance	$ 66.1

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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