Financial Instruments (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cost of Goods and Services Sold	$ 11,451.5	$ 10,847.6	$ 9,811.6
Interest Expense	243.0	220.7	215.8
Accumulated other comprehensive income (loss), derivatives qualifying as hedges, net of tax	$ (1,006.6)	(964.1)	(778.8)
Approximate maximum term of currency derivatives, in months	12 months
Repayments of Long-term Debt	$ 7.5	1,123.0	7.7
Amount expected to be reclassified into interest expense over the next twelve months	0.7
Foreign Exchange Contract [Member]
Derivative, Notional Amount	500.0	600.0
Currency derivatives expected to be reclassified into earnings over the next twelve months	1.6
Interest Rate Swap [Member]
Deferred losses remaining in AOCI related to the interest rate locks	6.0	6.7
Interest rate swaps and locks [Member]
Derivative, Notional Amount	1,300.0
Designated as Hedging Instrument [Member]
Deferred losses remaining in AOCI related to the interest rate locks	0.0	0.0	0.0
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
Accumulated other comprehensive income (loss), derivatives qualifying as hedges, net of tax	2.9	0.5
Cost of goods sold [Member] | Designated as Hedging Instrument [Member]
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	(1.4)	(0.8)	(3.1)
Gain (Loss) on Foreign Currency Cash Flow Hedge Ineffectiveness	(3.0)	(0.1)
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net			$ (0.5)
Interest Expense [Member] | Designated as Hedging Instrument [Member]
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	$ 0.7	$ (0.1)