Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income	$ 1,156	$ 1,119	$ 1,944	$ 1,934
Basic Weighted Average Shares	395	400	396	400
Effect of Stock Options and Restricted Units	3	3	3	3
Diluted Weighted Average Shares	398	403	399	403
Basic Earnings Per Share (in dollars per share)	$ 2.92	$ 2.80	$ 4.91	$ 4.84
Diluted Earnings Per Share (in dollars per share)	$ 2.90	$ 2.77	$ 4.87	$ 4.80
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	1	1	1