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 07, 2017	May 08, 2016	May 07, 2017	May 08, 2016
Earnings Per Share [Abstract]
Net income available to common stockholders used in basic and diluted net income per common share	$ 700	$ 545	$ 1,760	$ 1,571
Weighted average number of common shares used in basic net income per common share	438,817	438,815	438,650	438,930
RSUs	2,231	2,241	2,087	2,380
Conversion of convertible notes	8	10	8	11
Weighted average number of common shares and dilutive potential of common stock used in diluted net income per share	441,056	441,066	440,745	441,321