Investments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	May 29, 2014	May 30, 2013	May 29, 2014	May 30, 2013	Aug. 29, 2013
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	$ 1,411		$ 1,411		$ 2,283
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract]
Money market funds	370		370
Due in 1 year or less	496		496
Due in 1-2 years	262		262
Due in 2-4 years	273		273
Due after 4 years	9		9
Debt Securities, Fair Value	1,410		1,410
Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract]
Proceeds from the sale of available-for-sale securities	78	346	301	481
Money market funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	370		370		1,188
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	446		446		414
Certificates of deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	294		294		349
Government securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	158		158		168
Asset-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	117		117		97
Commercial paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	25		25		61
Marketable equity securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	$ 1		$ 1		$ 6