Financing Components of Debt (Details) - USD ($) $ in Millions	Mar. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Long-term Debt	$ 3,996.9	$ 4,056.2
Other Debt [Member]
Debt Instrument [Line Items]
Long-term Debt	3.3	3.4
Commercial Paper [Member] | US Dollar-Denominated Commercial Paper [Member]
Debt Instrument [Line Items]
Long-term Debt	590.3	665.1
Commercial Paper [Member] | Euro Denominated Commercial Paper [Member]
Debt Instrument [Line Items]
Long-term Debt	290.3	282.7
Senior Notes [Member] | Senior Unsecured Notes due 2019 [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 299.1	298.9
Debt Instrument, Interest Rate, Stated Percentage	1.80%
Senior Notes [Member] | Senior Unsecured Notes due 2021 [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 746.2	745.9
Debt Instrument, Interest Rate, Stated Percentage	2.35%
Senior Notes [Member] | Senior Unsecured Notes due 2026 [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 891.2	891.0
Debt Instrument, Interest Rate, Stated Percentage	3.15%
Senior Notes [Member] | Senior Unsecured Notes due 2046 [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 546.8	546.8
Debt Instrument, Interest Rate, Stated Percentage	4.30%
Term Loan [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 500.0	500.0
Yen Term Loan [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 129.7	$ 122.4