Investments - Available-for-sale and Held-to-maturity Investments (Detail) - USD ($) $ in Millions	Feb. 12, 2017	Aug. 28, 2016
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis	$ 1,050
Available-for-sale, cost basis, total	1,052
Held-to-maturity, cost basis	171
Total investments, recorded basis	1,221	$ 1,350
Short-term Investments
Available-for-sale and Held-to-maturity [Line Items]
Unrealized gains/(loss), net	(2)	6
Total investments, recorded basis	1,221	1,350
Total investments, cost basis, total	1,223	1,344
Available-for-sale Securities [Member] | Short-term Investments
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis	1,050	1,035
Unrealized gains/(loss), net	(2)	6
Available-for-sale, cost basis, total	1,052	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	1,049	1,034
Unrealized gains/(loss), net	(2)	6
Available-for-sale, cost basis, total	1,051	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	171	315
Held-to-maturity, cost basis	171	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	171	306
Held-to-maturity, cost basis	$ 171	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