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. 02, 2021	Jul. 03, 2020	Jul. 02, 2021	Jul. 03, 2020	Jul. 02, 2021	Jul. 03, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Derivative and nonderivative, original notional amount	$ 10,399	$ 11,086	$ 10,399	$ 11,086	$ 10,399	$ 11,086
Derivative and nonderivative, notional amount	9,524	10,211	9,524	10,211	9,524	10,211
Derivative and nonderivative, gain (loss) recognized in OCI			199	(569)	552	331
Net investment hedges | Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, original notional amount	2,875	1,875	2,875	1,875	2,875	1,875
Derivative, notional amount outstanding	2,000	1,000	2,000	1,000	2,000	1,000
Derivative, gain (loss) recognized in OCI			43	(26)	66	67
Net investment hedges | Foreign currency denominated debt
Derivative Instruments, Gain (Loss) [Line Items]
Nonderivative, notional amount	3,524	5,211
Nonderivative, gain (loss) recognized in OCI			(36)	(189)	184	(33)
Cash flow hedges | Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, original notional amount	4,000	4,000	4,000	4,000	4,000	4,000
Derivative, notional amount outstanding	$ 4,000	$ 4,000	4,000	4,000	4,000	4,000
Derivative, gain (loss) recognized in OCI			$ 192	$ (354)	$ 302	$ 297