Equity - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Equity [Abstract]
Net Income, Basic	$ 282	$ 280	$ 544	$ 455
Average shares outstanding, Basic (in shares)	349	350	350	350
Earnings per share, Basic (in dollars per share)	$ 0.81	$ 0.80	$ 1.56	$ 1.30
Average shares outstanding, Dilutive potential common shares (in shares)	3	4	3	4
Earnings per share, Dilutive potential common shares (in dollars per share)	$ (0.01)	$ (0.01)	$ (0.02)	$ (0.01)
Net Income, Diluted	$ 282	$ 280	$ 544	$ 455
Average shares outstanding, Diluted (in shares)	352	354	353	354
Earnings per share, Diluted (in dollars per share)	$ 0.80	$ 0.79	$ 1.54	$ 1.29