Derivative Financial Instruments - Hedging Relationship (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	May 30, 2013	May 31, 2012	May 30, 2013	May 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income			$ (224)	$ (29)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		2	2	6
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	3		3
Other Non-Operating Income Expense Net [Member] | Nondesignated [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income	(50)	(11)	(223)	(28)
Other Comprehensive Income [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ (3)		$ (9)	$ (11)