Defined Benefit Plans (Components of Net Periodic Benefit Cost Reflected in the Consolidated Condensed Statement of Earnings) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2021	Jul. 03, 2020	Jul. 02, 2021	Jul. 03, 2020
Defined Benefit Plan Disclosure [Line Items]
Total service cost	$ (11)	$ (11)	$ (22)	$ (17)
Other income (expense), net	11	5	22	10
Net periodic benefit (cost)	0	(6)	0	(7)
Cost of sales
Defined Benefit Plan Disclosure [Line Items]
Total service cost	(2)	(3)	(4)	(4)
Selling, general and administrative expenses
Defined Benefit Plan Disclosure [Line Items]
Total service cost	$ (9)	$ (8)	$ (18)	$ (13)