Investments - Available-for-sale and Held-to-maturity Investments (Detail) - USD ($) $ in Millions	May 07, 2017	Aug. 28, 2016
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis	$ 941
Available-for-sale, cost basis, total	943
Held-to-maturity, cost basis	246
Total investments, recorded basis	1,187	$ 1,350
Short-term Investments
Available-for-sale and Held-to-maturity [Line Items]
Unrealized gains/(loss), net	(2)	6
Total investments, recorded basis	1,187	1,350
Total investments, cost basis, total	1,189	1,344
Available-for-sale Securities [Member] | Short-term Investments
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis	941	1,035
Unrealized gains/(loss), net	(2)	6
Available-for-sale, cost basis, total	943	1,029
Available-for-sale Securities [Member] | Short-term Investments | Government and Agency Securities
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis	940	1,034
Unrealized gains/(loss), net	(2)	6
Available-for-sale, cost basis, total	942	1,028
Available-for-sale Securities [Member] | Short-term Investments | Asset-backed Securities
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis	1	1
Unrealized gains/(loss), net	0	0
Available-for-sale, cost basis, total	1	1
Held-to-maturity Securities [Member] | Short-term Investments
Available-for-sale and Held-to-maturity [Line Items]
Held-to-maturity, recorded basis	246	315
Held-to-maturity, cost basis	246	315
Held-to-maturity Securities [Member] | Short-term Investments | Certificates of Deposit
Available-for-sale and Held-to-maturity [Line Items]
Held-to-maturity, recorded basis	246	306
Held-to-maturity, cost basis	$ 246	306
Held-to-maturity Securities [Member] | Short-term Investments | Bankers Acceptance [Member]
Available-for-sale and Held-to-maturity [Line Items]
Held-to-maturity, recorded basis		9
Held-to-maturity, cost basis		$ 9