Financial Instruments (Fair Values Of Financial Assets And Liabilities) (Details) (USD $) In Millions	Sep. 03, 2011		Sep. 04, 2010
Available-for-sale securities	$ 61	[1],[2]	$ 88	[1],[2]
Short-term investments - index funds, at fair value	159	[2],[3]	147	[2],[3]
Derivatives designated as hedging instruments, Assets, Total	468	[2]	467	[2]
Derivatives not designated as hedging instruments, Assets, Total	171	[2]	116	[2]
Total asset derivatives at fair value	639	[2]	583	[2]
Total Financial Assets at Fair Value	859	[2]	818	[2]
Deferred compensation	519	[2],[4]	553	[2],[4]
Derivatives designated as hedging instruments, Liabilities, Total	96	[2]	154	[2]
Derivatives not designated as hedging instruments, Liabilities, Total	189	[2]	111	[2]
Total liability derivatives at fair value	285	[2]	265	[2]
Total Financial Liabilities at Fair Value	804	[2]	818	[2]
Other [Member] | Derivatives Not Designated As Hedging Instruments Liabilities [Member]
Commodity contracts	29	[2],[5]	8	[2],[5]
Other [Member] | Derivatives Designated As Hedging Instruments Liabilities [Member]
Commodity contracts	16	[2],[5]	12	[2],[5]
Other [Member] | Derivatives Not Designated As Hedging Instruments Assets [Member]
Commodity contracts	24	[2],[5]	6	[2],[5]
Other [Member] | Derivatives Designated As Hedging Instruments Assets [Member]
Commodity contracts	27	[2],[5]	45	[2],[5]
Futures [Member] | Derivatives Not Designated As Hedging Instruments Liabilities [Member]
Commodity contracts	1	[2],[6]	1	[2],[6]
Futures [Member] | Derivatives Designated As Hedging Instruments Liabilities [Member]
Commodity contracts	1	[2],[6]	27	[2],[6]
Futures [Member] | Derivatives Not Designated As Hedging Instruments Assets [Member]
Commodity contracts				[2],[6]
Futures [Member] | Derivatives Designated As Hedging Instruments Assets [Member]
Commodity contracts	1	[2],[6]	1	[2],[6]
Level 1 Fair Values Of Assets And Liabilities [Member]
Deferred compensation	43		147
Derivatives Not Designated As Hedging Instruments Liabilities [Member]
Prepaid forward contracts				[2],[7]
Interest rate derivatives	140	[2],[8]	97	[2],[8]
Forward exchange contracts	19	[2],[9]	5	[2],[9]
Derivatives Designated As Hedging Instruments Liabilities [Member]
Forward exchange contracts	23	[2],[9]	24	[2],[9]
Interest rate derivatives	56	[2],[8]	91	[2],[8]
Derivatives Not Designated As Hedging Instruments Assets [Member]
Prepaid forward contracts	38	[2],[7]	48	[2],[7]
Forward exchange contracts	5	[2],[9]	6	[2],[9]
Interest rate derivatives	104	[2],[8]	56	[2],[8]
Derivatives Designated As Hedging Instruments Assets [Member]
Forward exchange contracts	12	[2],[9]	19	[2],[9]
Interest rate derivatives	$ 428	[2],[8]	$ 402	[2],[8]

[1] Based on the price of common stock. Categorized as a Level 1 asset.

[2] Financial assets are classified on our balance sheet within other assets, with the exception of short-term investments. Financial liabilities are classified on our balance sheet within other current liabilities and other liabilities. Unless specifically indicated, all financial assets and liabilities are categorized as Level 2 assets or liabilities.

[3] Based on price changes in index funds used to manage a portion of market risk arising from our deferred compensation liability. Categorized as a Level 1 asset.

[4] Based on the fair value of investments corresponding to employees' investment elections. As of September 3, 2011 and September 4, 2010, $43 million and $147 million, respectively, are categorized as Level 1 liabilities. The remaining balances are categorized as Level 2 liabilities.

[5] Based on recently reported transactions in the marketplace, primarily swap arrangements.

[6] Based on average prices on futures exchanges. Categorized as a Level 1 asset or liability.

[7] Based primarily on the price of our common stock.

[8] Based on LIBOR and recently reported transactions in the marketplace.

[9] Based on observable market transactions of spot and forward rates.