Stockholders' Equity - Additional Information (Detail) - USD ($)	3 Months Ended							4 Months Ended		12 Months Ended
	May 08, 2016	Feb. 14, 2016	Nov. 22, 2015	May 10, 2015	Feb. 15, 2015	[1]	Nov. 23, 2014	Aug. 28, 2016	Aug. 30, 2015	Aug. 28, 2016	Aug. 30, 2015	Aug. 31, 2014	Apr. 17, 2015
Equity And Comprehensive Income [Line Items]
Payment of dividends										$ 746,000,000	$ 2,865,000,000	$ 584,000,000
Stock repurchase program, remaining authorized repurchase amount								$ 3,222,000,000		$ 3,222,000,000
Dividends declared	$ 0.45	$ 0.40	$ 0.40	$ 0.40	$ 5.355		$ 0.355	$ 0.45	$ 0.40	$ 1.70	$ 6.51	$ 1.33
Previously authorized but unused share repurchase amounts revoked													$ 2,528,000,000
Stock repurchase program, authorized amount													$ 4,000,000,000
Special Dividend [Member]
Equity And Comprehensive Income [Line Items]
Payment of dividends											$ 2,201,000,000
Dividends paid per share											$ 5

[1] Includes the special cash dividend of $5.00 per share paid in February 2015.