Equity - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Equity [Abstract]
Net Income, Basic	$ 444	$ 266
Average shares outstanding, Basic (in shares)	346	351
Earnings per share, Basic (in dollars per share)	$ 1.28	$ 0.76
Average shares outstanding, Dilutive potential common shares (in shares)	2	3
Earnings per share, Dilutive potential common shares (in dollars per share)	$ (0.01)	$ (0.01)
Net Income, Diluted	$ 444	$ 266
Average shares outstanding, Diluted (in shares)	348	354
Earnings per share, Diluted (in dollars per share)	$ 1.27	$ 0.75