Defined Benefit Plans (Components of Net Periodic Benefit Cost Reflected in the Consolidated Condensed Statement of Earnings) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2021	Oct. 02, 2020	Oct. 01, 2021	Oct. 02, 2020
Defined Benefit Plan Disclosure [Line Items]
Total service cost	$ (11)	$ (11)	$ (33)	$ (28)
Other income (expense), net	9	4	31	14
Net periodic benefit (cost)	(2)	(7)	(2)	(14)
Cost of sales
Defined Benefit Plan Disclosure [Line Items]
Total service cost	(1)	(3)	(5)	(7)
Selling, general and administrative expenses
Defined Benefit Plan Disclosure [Line Items]
Total service cost	$ (10)	$ (8)	$ (28)	$ (21)