Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income	$ 788	$ 815
Basic Weighted Average Shares	397	400
Effect of Stock Options and Restricted Units	3	3
Diluted Weighted Average Shares	400	403
Basic Earnings Per Share (in dollars per share)	$ 1.99	$ 2.04
Diluted Earnings Per Share (in dollars per share)	$ 1.97	$ 2.02
Share-based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Stock Options Excluded From Computation Of Earnings Per Share	1	2