Income Taxes (Schedule of Deferred Tax Asset and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Purchases of intangible assets	$ 2,512.4	$ 2,627.7
Compensation and benefits	934.3	781.6
Tax credit carryforwards and carrybacks	455.8	359.4
Tax loss carryforwards and carrybacks	318.8	248.2
Sales rebates and discounts	197.3	45.5
Operating lease liabilities	140.6
Product return reserves	98.1	95.3
Other comprehensive loss on hedging transactions	59.6	68.9
Debt	53.9	40.3
Other	835.7	646.3
Total gross deferred tax assets	5,606.5	4,913.2
Valuation allowances	(616.5)	(574.8)
Total deferred tax assets	4,990.0	4,338.4
Deferred tax liabilities:
Earnings of foreign subsidiaries	(1,776.4)	(1,745.3)
Intangibles	(1,298.0)	(86.9)
Inventories	(686.4)	(681.3)
Prepaid employee benefits	(305.9)	(240.1)
Property and equipment	(274.1)	(260.9)
Financial instruments	(139.4)	(22.8)
Operating lease assets	(124.7)
Total deferred tax liabilities	(4,604.9)	(3,037.3)
Deferred tax assets, net	$ 385.1	$ 1,301.1