Investments - Available-for-sale and Held-to-maturity Investments (Detail) - USD ($) $ in Millions	Nov. 20, 2016	Aug. 28, 2016
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, cost basis, total	$ 1,047
Available-for-sale, recorded basis	1,045
Held-to-maturity, cost basis	266
Total investments, recorded basis	1,311	$ 1,350
Government and Agency Securities
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis	1,044	1,034
Short-term Investments [Member]
Available-for-sale and Held-to-maturity [Line Items]
Unrealized gains/(loss), net	(2)	6
Total investments, cost basis, total	1,313	1,344
Total investments, recorded basis	1,311	1,350
Available-for-sale Securities [Member] | Short-term Investments [Member]
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, cost basis, total	1,047	1,029
Unrealized gains/(loss), net	(2)	6
Available-for-sale, recorded basis	1,045	1,035
Available-for-sale Securities [Member] | Short-term Investments [Member] | Government and Agency Securities
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, cost basis, total	1,046	1,028
Unrealized gains/(loss), net	(2)	6
Available-for-sale, recorded basis	1,044	1,034
Available-for-sale Securities [Member] | Short-term Investments [Member] | Asset-backed Securities
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, cost basis, total	1	1
Unrealized gains/(loss), net	0	0
Available-for-sale, recorded basis	1	1
Held-to-maturity Securities [Member] | Short-term Investments [Member]
Available-for-sale and Held-to-maturity [Line Items]
Held-to-maturity, cost basis	266	315
Held-to-maturity, recorded basis	266	315
Held-to-maturity Securities [Member] | Short-term Investments [Member] | Certificates of Deposit
Available-for-sale and Held-to-maturity [Line Items]
Held-to-maturity, cost basis	266	306
Held-to-maturity, recorded basis	$ 266	306
Held-to-maturity Securities [Member] | Short-term Investments [Member] | Bankers Acceptance [Member]
Available-for-sale and Held-to-maturity [Line Items]
Held-to-maturity, cost basis		9
Held-to-maturity, recorded basis		$ 9