Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Income from Continuing Operations									$ 3,696	$ 2,938	$ 2,228
Loss from Discontinued Operations									0	0	(3)
Net Income	$ 1,002	$ 760	$ 1,119	$ 815	$ 898	$ 709	$ 752	$ 579	$ 3,696	$ 2,938	$ 2,225
Basic Weighted Average Shares									400	402	395
Effect of Stock Options and Restricted Units									3	4	3
Diluted Weighted Average Shares									403	406	398
Basic Earnings per Share:
Continuing operations (in dollars per share)									$ 9.24	$ 7.31	$ 5.65
Discontinued operations (in dollars per share)									0	0	(0.01)
Basic Earnings Per Share (in dollars per share)	$ 2.51	$ 1.89	$ 2.80	$ 2.04	$ 2.23	$ 1.76	$ 1.87	$ 1.44	9.24	7.31	5.64
Diluted Earnings per Share:
Continuing operations (in dollars per share)									9.17	7.24	5.60
Discontinued operations (in dollars per share)									0	0	(0.01)
Diluted Earnings Per Share (in dollars per share)	$ 2.49	$ 1.88	$ 2.77	$ 2.02	$ 2.22	$ 1.75	$ 1.85	$ 1.43	$ 9.17	$ 7.24	$ 5.59
Share-based Payment Arrangement, Option [Member]
Diluted Earnings per Share:
Antidilutive Stock Options Excluded From Computation Of Earnings Per Share									1	2	2