Hedging Transactions And Derivative Financial Instruments (Summary of Notional Values and Pretax Impact in Fair Values of Net Investment Hedges) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Derivative and nonderivative, original notional amount	$ 11,086.3	$ 11,054.2	$ 11,086.3	$ 11,054.2
Derivative and nonderivative, notional amount	10,211.3	10,179.2	10,211.3	10,179.2
Derivative and nonderivative, gain (loss) recognized in OCI	(569.2)	(157.9)	331.1	(5.3)
Net investment hedging | Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, original notional amount	1,875.0	1,875.0	1,875.0	1,875.0
Derivative, notional amount outstanding	1,000.0	1,000.0	1,000.0	1,000.0
Derivative, gain (loss) recognized in OCI	(25.6)	(19.5)	67.7	(4.7)
Net investment hedging | Foreign currency denominated debt
Derivative Instruments, Gain (Loss) [Line Items]
Nonderivative, notional amount	5,211.3	8,329.2	5,211.3	8,329.2
Nonderivative, gain (loss) recognized in OCI	(189.3)	(129.5)	(33.1)	8.3
Cash flow hedging | Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, original notional amount	4,000.0		4,000.0
Derivative, notional amount outstanding	4,000.0		4,000.0
Derivative, gain (loss) recognized in OCI	$ (354.3)		$ 296.5
Cash flow hedging | Interest rate swap
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, original notional amount		850.0		850.0
Derivative, notional amount outstanding		850.0		850.0
Derivative, gain (loss) recognized in OCI		$ (8.9)		$ (8.9)