Hedging Transactions And Derivative Financial Instruments (Summary of Notional Values and Pretax Impact in Fair Values of Net Investment Hedges) (Details) - Net investment hedging - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2019	Jan. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount	$ 9,393.3
Gain (Loss) Recognized in OCI	152.6
Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount	1,875.0	$ 1,900.0
Gain (Loss) Recognized in OCI	14.8
Foreign currency denominated debt
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount	7,518.3
Gain (Loss) Recognized in OCI	$ 137.8