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		9 Months Ended
	Oct. 02, 2020	Sep. 27, 2019	Oct. 02, 2020	Sep. 27, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Derivative and nonderivative, original notional amount	$ 13,494.3	$ 12,098.6	$ 13,494.3	$ 12,098.6
Derivative and nonderivative, notional amount	12,619.3	11,223.6	12,619.3	11,223.6
Derivative and nonderivative, gain (loss) recognized in OCI	(570.9)	241.6	(239.8)	236.3
Net investment hedges | Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, original notional amount	2,875.0	2,525.0	2,875.0	2,525.0
Derivative, notional amount outstanding	2,000.0	1,650.0	2,000.0	1,650.0
Derivative, gain (loss) recognized in OCI	(57.6)	41.5	10.1	36.8
Net investment hedges | Foreign currency denominated debt
Derivative Instruments, Gain (Loss) [Line Items]
Nonderivative, notional amount	6,619.3	8,073.6	6,619.3	8,073.6
Nonderivative, gain (loss) recognized in OCI	(208.4)	255.2	(241.5)	263.5
Cash flow hedges | 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	$ (304.9)		$ (8.4)
Cash flow hedges | Interest rate swap
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, original notional amount		1,500.0		1,500.0
Derivative, notional amount outstanding		1,500.0		1,500.0
Derivative, gain (loss) recognized in OCI		$ (55.1)		$ (64.0)