Investments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Nov. 28, 2013	Nov. 29, 2012	Aug. 29, 2013
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 2,985		$ 2,283
Gross Unrealized Gains	1		1
Gross Unrealized Losses	0		(1)
Fair Value	2,986		2,283
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis [Abstract]
Money market funds not due at a single maturity date	1,677
Due in 1 year or less	771
Due in 1-2 years	257
Due in 2-4 years	262
Due after 4 years	12
Debt Maturities, Amortized Cost Basis	2,979
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract]
Money market funds not due at a single maturity date	1,677
Due in 1 year or less	771
Due in 1-2 years	258
Due in 2-4 years	262
Due after 4 years	12
Debt Securities, Fair Value	2,980
Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract]
Proceeds from the sale of available-for-sale securities	113	93
Money market funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,677		1,188
Gross Unrealized Gains	0		0
Gross Unrealized Losses	0		0
Fair Value	1,677		1,188
Certificates of deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	558		349
Gross Unrealized Gains	0		0
Gross Unrealized Losses	0		0
Fair Value	558		349
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	441		414
Gross Unrealized Gains	1		1
Gross Unrealized Losses	0		(1)
Fair Value	442		414
Government securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	133		168
Gross Unrealized Gains	0		0
Gross Unrealized Losses	0		0
Fair Value	133		168
Asset-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	107		97
Gross Unrealized Gains	0		0
Gross Unrealized Losses	0		0
Fair Value	107		97
Commercial paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	63		61
Gross Unrealized Gains	0		0
Gross Unrealized Losses	0		0
Fair Value	63		61
Marketable equity securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	6		6
Gross Unrealized Gains	0		0
Gross Unrealized Losses	0		0
Fair Value	$ 6		$ 6