Stock Repurchase Program - Additional Information (Detail) - USD ($)		2 Months Ended	12 Months Ended			212 Months Ended
	Oct. 07, 2015	Oct. 26, 2015	Aug. 29, 2015	Aug. 30, 2014	Aug. 31, 2013	Aug. 29, 2015	Oct. 06, 2015
Stock Repurchase Program [Line Items]
Stock repurchased cumulative, shares			2,010,000	2,232,000	3,511,000	138,900,000
Purchase of treasury stock			$ 1,271,416,000	$ 1,099,212,000	$ 1,387,315,000	$ 15,302,000,000
Stock repurchase authorized amended value			$ 15,650,000,000	$ 14,900,000,000		$ 15,650,000,000
Share of treasury stock retired			2,100,000	3,200,000
Repurchased shares of common stock at an aggregate cost			$ 1,271,416,000	$ 1,099,212,000	1,387,315,000
Subsequent Event [Member]
Stock Repurchase Program [Line Items]
Stock repurchased cumulative, shares		356,993
Stock repurchase authorized amended value	$ 16,400,000,000						$ 15,650,000,000
Increase in authorization of stock repurchase, value	$ 750,000,000
Repurchased shares of common stock at an aggregate cost		$ 259,900,000
Remaining value authorized for share repurchases		$ 837,900,000
Retained Deficit [Member]
Stock Repurchase Program [Line Items]
Retirement of treasury shares			(1,049,856,000)	(1,219,931,000)	(1,362,218,000)
Additional Paid-In Capital [Member]
Stock Repurchase Program [Line Items]
Retirement of treasury shares			$ (57,403,000)	$ (73,995,000)	$ (75,743,000)