Common Stock, Stock Option Plans and Stock Compensation Agreements - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding beginning of period	116,517	115,712	119,556
Options granted	22,491	20,484	24,356
Options exercised	(22,547)	(16,683)	(25,319)
Options canceled/forfeited	(3,006)	(2,996)	(2,881)
Options outstanding end of period	113,455	116,517	115,712
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Options exercise price beginning of period	$ 76.41	$ 70.37	$ 64.70
Options granted, average exercise price (in dollars per share)	101.87	100.06	90.44
Options exercised, average exercise price (in dollars per share)	65.66	62.53	62.31
Options canceled/forfeited, average exercise price (in dollars per share)	92.83	82.22	75.48
Options exercise price end of period	$ 83.16	$ 76.41	$ 70.37
Aggregate intrinsic value	$ 3,636	$ 3,065	$ 4,014	$ 3,306