Net Earnings Per Common Share (Components of Basic and Diluted Earnings per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Apr. 02, 2021	Apr. 03, 2020
Numerator
Net earnings	$ 1,702	$ 595
MCPS dividends	(41)	(19)
Net earnings attributable to common stockholders for Basic EPS	1,661	576
Adjustment for interest on convertible debentures	0	0
Adjustment for MCPS dividends for dilutive MCPS	20	0
Net earnings attributable to common stockholders after assumed conversions for Diluted EPS	$ 1,681	$ 576
Denominator
Weighted average common shares outstanding used in Basic EPS	713.2	697.2
Assumed exercise of dilutive options and vesting of dilutive RSUs and PSUs	10.7	9.4
Assumed conversion of the convertible debentures	0.2	1.3
Weighted average MCPS converted shares	11.0	0.0
Weighted average common shares outstanding used in Diluted EPS	735.1	707.9
Net earnings per common share, basic	$ 2.33	$ 0.83
Net earnings per common share, diluted	$ 2.29	$ 0.81