Investments - Available-for-sale and Held-to-maturity Investments (Detail) - USD ($) $ in Millions	May. 08, 2016	Aug. 30, 2015
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis	$ 919
Available-for-sale, cost basis, total	911
Held-to-maturity, cost basis	218
Total investments, recorded basis	1,137	$ 1,618
Short-term Investments
Available-for-sale and Held-to-maturity [Line Items]
Unrealized gains, net	8	4
Total investments, recorded basis	1,137	1,618
Total investments, cost basis, total	1,129	1,614
Short-term Investments | Available-for-sale Securities
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis	919	1,403
Unrealized gains, net	8	4
Available-for-sale, cost basis, total	911	1,399
Short-term Investments | Available-for-sale Securities | Government and Agency Securities
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis	917	1,398
Unrealized gains, net	8	4
Available-for-sale, cost basis, total	909	1,394
Short-term Investments | Available-for-sale Securities | Asset-backed Securities
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis	2	5
Unrealized gains, net	0	0
Available-for-sale, cost basis, total	2	5
Short-term Investments | Held-to-maturity Securities | Certificates of Deposit
Available-for-sale and Held-to-maturity [Line Items]
Held-to-maturity, recorded basis	218	215
Held-to-maturity, cost basis	$ 218	$ 215