Net Income per Common and Common Equivalent Share - Schedule of Earnings per Share Effect on Net Income and Weighted Average Number of Dilutive Potential Common Stock (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		8 Months Ended
	May 13, 2018	May 07, 2017	May 13, 2018	May 07, 2017
Earnings Per Share [Abstract]
Net income available to common stockholders used in basic and diluted net income per common share	$ 750	$ 700	$ 2,091	$ 1,760
Weighted average number of common shares used in basic net income per common share	438,740	438,817	438,576	438,650
RSUs and other	2,975	2,239	2,807	2,095
Weighted average number of common shares and dilutive potential of common stock used in diluted net income per share	441,715	441,056	441,383	440,745