Investments - Available-for-sale and Held-to-maturity Investments (Detail) - USD ($) $ in Millions	3 Months Ended
	Nov. 24, 2019	Sep. 01, 2019
Available-for-sale and Held-to-maturity [Line Items]
Document Period End Date	Nov. 24, 2019
Available-for-sale, cost basis, total	$ 596
Short-term Investments	600
Held-to-maturity, cost basis	393
Total investments, recorded basis	993	$ 1,060
Short-term Investments
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, cost basis, total	596
Unrealized gains/(loss), net	4
Short-term Investments	600
Held-to-maturity, recorded basis	393	338
Held-to-maturity, cost basis	393	338
Total investments, recorded basis	993	1,060
Total investments, cost basis, total	989	1,054
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	4	6
Short-term Investments | Government and Agency Securities
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, cost basis, total	596	716
Short-term Investments	600	722
Available-for-sale, recorded basis	600	722
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	4	6
Short-term Investments | Certificates of deposit
Available-for-sale and Held-to-maturity [Line Items]
Held-to-maturity, recorded basis	393	338
Held-to-maturity, cost basis	$ 393	$ 338