Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Income from Continuing Operations	$ 752	$ 613	$ 1,331	$ 1,164
Loss from Discontinued Operations	0	(1)	0	(1)
Net Income	$ 752	$ 612	$ 1,331	$ 1,163
Basic Weighted Average Shares	403	390	402	390
Effect of Stock Options and Restricted Units	3	3	4	4
Diluted Weighted Average Shares	406	393	406	394
Basic Earnings per Share:
Continuing operations (in dollars per share)	$ 1.87	$ 1.57	$ 3.31	$ 2.98
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.00
Basic Earnings Per Share (in dollars per share)	1.87	1.57	3.31	2.98
Diluted Earnings per Share:
Continuing operations (in dollars per share)	1.85	1.56	3.28	2.96
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.00
Diluted Earnings Per Share (in dollars per share)	$ 1.85	$ 1.56	$ 3.28	$ 2.95
Employee Stock Option [Member]
Diluted Earnings per Share:
Antidilutive Stock Options Excluded From Computation Of Earnings Per Share	2	2	2	2