Fair Value Measurement (Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) (USD $) In Millions	Aug. 28, 2011		Aug. 29, 2010		Aug. 30, 2009	Aug. 31, 2008
Cash and cash equivalents	$ 4,009		$ 3,214		$ 3,157	$ 2,619
Short-term investments	1,604		1,535
Money Market Mutual Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of assets measured on recurring basis	200	[1]	1,514	[1]
Money Market Mutual Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of assets measured on recurring basis	0	[1]	0	[1]
U.S. Government and Agency Securities [Member]
Cash and cash equivalents	73
Short-term investments	1,104
U.S. Government and Agency Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of assets measured on recurring basis	0	[2]	0
U.S. Government and Agency Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of assets measured on recurring basis	1,177	[2]	1,229
Corporate Notes and Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of assets measured on recurring basis	0		0
Corporate Notes and Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of assets measured on recurring basis	7		11
FDIC Insured Corporate Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of assets measured on recurring basis	0		0
FDIC Insured Corporate Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of assets measured on recurring basis	209		139
Asset and Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of assets measured on recurring basis	0		0
Asset and Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of assets measured on recurring basis	12		23
Forward Foreign Exchange Contracts [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of assets measured on recurring basis	0	[3]	0	[3]
Fair value of liabilities measured on recurring basis	0	[3]	0	[3]
Forward Foreign Exchange Contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of assets measured on recurring basis	1	[3]	1	[3]
Fair value of liabilities measured on recurring basis	(2)	[3]	(3)	[3]
Fair Value, Inputs, Level 1 [Member]
Fair value of assets measured on recurring basis	200		1,514
Fair Value, Inputs, Level 2 [Member]
Fair value of assets measured on recurring basis	$ 1,404		$ 1,400

[1] Included in cash and cash equivalents in the accompanying consolidated balance sheets.

[2] $73 and $1,104 included in cash and cash equivalents and short-term investments, respectively, in the accompanying consolidated balance sheets.

[3] The asset and the liability values are included in deferred income taxes and other current assets and other current liabilities, respectively, in the accompanying consolidated balance sheets. See Note 1 for additional information on derivative instruments.