Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Income from Continuing Operations	$ 709	$ 534	$ 2,040	$ 1,698
Loss from Discontinued Operations	0	0	0	(1)
Net Income	$ 709	$ 534	$ 2,040	$ 1,697
Basic Weighted Average Shares	402	396	402	392
Effect of Stock Options and Restricted Units	4	4	4	4
Diluted Weighted Average Shares	406	400	406	396
Basic Earnings per Share:
Continuing operations (in dollars per share)	$ 1.76	$ 1.35	$ 5.07	$ 4.33
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.00
Basic Earnings Per Share (in dollars per share)	1.76	1.35	5.07	4.32
Diluted Earnings per Share:
Continuing operations (in dollars per share)	1.75	1.34	5.03	4.29
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.00
Diluted Earnings Per Share (in dollars per share)	$ 1.75	$ 1.34	$ 5.03	$ 4.29
Employee Stock Option [Member]
Diluted Earnings per Share:
Antidilutive Stock Options Excluded From Computation Of Earnings Per Share	2	2	2	2