Investments - Available for Sale and Held to Maturity Investments (Detail) - USD ($) $ in Millions	Nov. 22, 2015	Aug. 30, 2015
Available For Sale And Held To Maturity [Line Items]
Available-for-sale, cost basis, total	$ 1,095
Available-for-sale, recorded basis	1,097
Held-to-maturity, cost basis	132
Total investments, recorded basis	1,229	$ 1,618
Short-term investments
Available For Sale And Held To Maturity [Line Items]
Unrealized gains, net	2	4
Total investments, cost basis, total	1,227	1,614
Total investments, recorded basis	1,229	1,618
Short-term investments | Available-for-sale securities
Available For Sale And Held To Maturity [Line Items]
Available-for-sale, cost basis, total	1,095	1,399
Unrealized gains, net	2	4
Available-for-sale, recorded basis	1,097	1,403
Short-term investments | Available-for-sale securities | Government and agency securities
Available For Sale And Held To Maturity [Line Items]
Available-for-sale, cost basis, total	1,091	1,394
Unrealized gains, net	2	4
Available-for-sale, recorded basis	1,093	1,398
Short-term investments | Available-for-sale securities | Asset-backed securities
Available For Sale And Held To Maturity [Line Items]
Available-for-sale, cost basis, total	4	5
Unrealized gains, net	0	0
Available-for-sale, recorded basis	4	5
Short-term investments | Held-to-maturity securities | Certificates of deposit
Available For Sale And Held To Maturity [Line Items]
Held-to-maturity, cost basis	132	215
Held-to-maturity, recorded basis	$ 132	$ 215