Investments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Nov. 29, 2012	Aug. 30, 2012
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 2,536	$ 2,693
Gross Unrealized Gains	3	1
Gross Unrealized Losses	0	0
Fair Value	2,539	2,694
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis [Abstract]
Money market funds not due at a single maturity date	1,733
Due in 1 year or less	279
Due in 1-2 years	195
Due in 2-4 years	291
Due after 4 years	28
Debt Maturities, Amortized Cost Basis	2,526
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract]
Money market funds not due at a single maturity date	1,733
Due in 1 year or less	279
Due in 1-2 years	196
Due in 2-4 years	292
Due after 4 years	27
Debt Securities, Fair Value	2,527
Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract]
Proceeds from the sale of available-for-sale securities	93
Money market funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,733	2,159
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	1,733	2,159
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	342	233
Gross Unrealized Gains	1	1
Gross Unrealized Losses	0	0
Fair Value	343	234
Government securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	222	144
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	222	144
Asset-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	113	77
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	113	77
Commercial paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	64	39
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	64	39
Certificates of deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	52	31
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	52	31
Marketable equity securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	10	10
Gross Unrealized Gains	2	0
Gross Unrealized Losses	0	0
Fair Value	$ 12	$ 10