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
	Nov. 26, 2017	Nov. 20, 2016
Earnings Per Share [Abstract]
Net income available to common stockholders used in basic and diluted net income per common share	$ 640	$ 545
Weighted average number of common shares used in basic net income per common share	437,965	438,007
RSUs and other	2,886	2,518
Weighted average number of common shares and dilutive potential of common stock used in diluted net income per share	440,851	440,525
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	1,877