Equity - Schedule of 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
Equity [Abstract]
Net Income, Basic	$ 596	$ 283	$ 1,040	$ 549
Average shares outstanding, Basic (in shares)	347	349	346	350
Earnings per share, Basic (in dollars per share)	$ 1.72	$ 0.81	$ 3.00	$ 1.57
Average shares outstanding, Dilutive potential common shares (in shares)	1	3	2	3
Earnings per share, Dilutive potential common shares (in dollars per share)	$ (0.01)	$ (0.01)	$ (0.01)	$ (0.01)
Net Income, Diluted	$ 596	$ 283	$ 1,040	$ 549
Average shares outstanding, Diluted (in shares)	348	352	348	353
Earnings per share, Diluted (in dollars per share)	$ 1.71	$ 0.80	$ 2.99	$ 1.56