Defined Benefit Plans (Components of Net Periodic Benefit Cost Reflected in the Consolidated Condensed Statement of Earnings) (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2021	Apr. 03, 2020
Defined Benefit Plan Disclosure [Line Items]
Total service cost	$ (11)	$ (6)
Other income (expense), net	11	5
Net periodic benefit (cost)	0	(1)
Cost of sales
Defined Benefit Plan Disclosure [Line Items]
Total service cost	(2)	(1)
Selling, general and administrative expenses
Defined Benefit Plan Disclosure [Line Items]
Total service cost	$ (9)	$ (5)