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. 08, 2016	May. 10, 2015	May. 08, 2016	May. 10, 2015
Earnings Per Share [Abstract]
Net income available to common stockholders used in basic and diluted net income per common share	$ 545	$ 516	$ 1,571	$ 1,610
Weighted average number of common shares used in basic net income per common share	438,815	440,070	438,930	439,733
RSUs	2,241	3,050	2,380	2,976
Conversion of convertible notes	10	12	11	12
Weighted average number of common shares and dilutive potential of common stock used in diluted net income per share	441,066	443,132	441,321	442,721