Summary Of Significant Accounting Policies (Other Current Liabilities) (Detail) (USD $) In Millions, unless otherwise specified	Sep. 02, 2012	Aug. 28, 2011
Summary Of Significant Accounting Policies
Insurance-related liabilities	$ 308	$ 276
Deferred sales	159	141
Cash card liability	133	116
Other current liabilities	104	112
Tax-related liabilities	88	122
Sales return reserve	86	74
Vendor consideration liabilities	57	46
Interest payable	30	51
Other Current Liabilities	$ 965	$ 938