Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Earnings Per Share [Abstract]
Net Income	$ 9,601	$ 10,316	$ 11,420
Weighted average shares of common stock outstanding-basic	4,701	4,730	4,742
Dilutive effect of employee equity incentive plans (shares)	47	53	64
Dilutive effect of convertible debt (shares)	87	92	88
Weighted average shares of common stock outstanding-diluted	4,835	4,875	4,894
Earnings per share - Basic	$ 2.04	$ 2.18	$ 2.41
Earnings per share - Diluted	$ 1.99	$ 2.12	$ 2.33