Investments - Available-for-sale and Held-to-maturity Investments (Detail) - USD ($) $ in Millions	Nov. 22, 2020	Aug. 30, 2020
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, cost basis	$ 471
Held-to-maturity, cost basis	352
Total investments, recorded basis, total	833	$ 1,028
Short-term Investments
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	10	12
Total investments, cost basis, total	823	1,016
Total investments, recorded basis, total	833	1,028
Short-term Investments | Government and Agency Securities
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, cost basis	471	436
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	10	12
Available-for-sale, recorded basis, total	481	448
Short-term Investments | Certificates of deposit
Available-for-sale and Held-to-maturity [Line Items]
Held-to-maturity, cost basis	352	580
Held-to-maturity, recorded basis, total	$ 352	$ 580