Financing and Capital Components of Debt (Details) - USD ($) $ in Millions	Jun. 29, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Long-term debt	$ 3,726.7	$ 4,056.2
Current portion of long-term debt	799.3	0.0
Long-term debt, net of current maturities	2,927.4	4,056.2
Other Debt [Member]
Debt Instrument [Line Items]
Long-term debt	3.1	3.4
Commercial Paper [Member] \| US Dollar-Denominated Commercial Paper [Member]
Debt Instrument [Line Items]
Long-term debt	339.8	665.1
Commercial Paper [Member] \| Euro Denominated Commercial Paper [Member]
Debt Instrument [Line Items]
Long-term debt	275.2	282.7
Senior Notes [Member] \| Senior Unsecured Notes due 2019 [Member]
Debt Instrument [Line Items]
Long-term debt	$ 299.3	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	$ 746.5	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	$ 891.5	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%
U.S. dollar variable interest rate term loan due 2019
Debt Instrument [Line Items]
Long-term debt	$ 500.0	500.0
Yen variable interest rate term loan due 2022
Debt Instrument [Line Items]
Long-term debt	$ 124.5	$ 122.4

Contractual interest rate for funds borrowed, under the debt agreement.

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