Derivative Financial Instruments - Hedging Relationship (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 01, 2012	Mar. 03, 2011	Mar. 01, 2012	Mar. 03, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ 2		$ 4
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	6		6
Other Operating Income (Expense) [Member] | Nondesignated [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income	3	7	(17)	5
Other Comprehensive Income [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion	$ (2)	$ 22	$ (11)	$ 28