Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Other Income and Expenses [Abstract]
Interest Income	$ 24.4	$ 10.4	$ 60.7	$ 34.4
Interest Expense	(156.7)	(113.3)	(425.7)	(338.3)
Other Items, Net	(23.3)	(10.3)	(36.0)	(20.7)
Other Expense, Net	$ (155.6)	$ (113.2)	(401.0)	(324.6)
Losses on Extinguishment of Debt			4.0	7.0
Gain on Sale of Investments			6.0	4.0
Fees Associated with Short-term Financing Commitments			$ 32.0	$ 22.0