Investments - Available-for-sale and Held-to-maturity Investments (Detail) - USD ($) $ in Millions	8 Months Ended
	May 13, 2018	May 12, 2019	Sep. 02, 2018
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis		$ 857
Available-for-sale, cost basis, total		860
Held-to-maturity, cost basis		297
Total investments, recorded basis		1,154	$ 1,204
Proceeds from Sale of Available-for-sale Securities	$ 39
Short-term Investments
Available-for-sale and Held-to-maturity [Line Items]
Unrealized gains/(loss), net		(3)	(14)
Total investments, recorded basis		1,154	1,204
Total investments, cost basis, total		1,157	1,218
Short-term Investments | Government and Agency Securities
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis		857	898
Available-for-sale Securities [Member] | Short-term Investments
Available-for-sale and Held-to-maturity [Line Items]
Available-for-sale, recorded basis		857
Unrealized gains/(loss), net		(3)
Available-for-sale, cost basis, total		860
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		857	898
Unrealized gains/(loss), net		(3)	(14)
Available-for-sale, cost basis, total		860	912
Held-to-maturity Securities [Member] | Short-term Investments
Available-for-sale and Held-to-maturity [Line Items]
Held-to-maturity, recorded basis		297
Held-to-maturity, cost basis		297
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		297	306
Held-to-maturity, cost basis		$ 297	$ 306