Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Employee benefits	$ 271.3	$ 273.0
Litigation reserves	94.4	43.5
Accounts receivable allowances	425.9	393.7
Inventory	187.8	1,187.9
Tax credit and loss carry-forwards	1,256.0	1,080.4
Operating lease assets	63.6	66.5
Interest expense	111.6	67.9
Intangible assets	151.1	156.3
Other	327.8	396.0
Total deferred tax assets, gross	2,889.5	3,665.2
Less: Valuation allowance	(780.4)	(443.6)
Total deferred tax assets	2,109.1	3,221.6
Deferred tax liabilities:
Plant and equipment	19.6	50.2
Operating lease liabilities	63.6	66.5
Intangible assets and goodwill	3,468.3	4,058.6
Other	39.9	22.1
Total deferred tax liabilities	3,591.4	4,197.4
Deferred tax liabilities, net	$ (1,482.3)	$ (975.8)