Investments - Maturities of Available for Sale and Held to Maturity Securities (Details) $ in Millions	Aug. 28, 2016 USD ($)
Available-For-Sale, Cost Basis
Due in one year or less	$ 231
Due after one year through five years	746
Due after five years	52
Available-for-sale, cost basis, total	1,029
Available-For-Sale, Fair Value
Due in one year or less	231
Due after one year through five years	751
Due after five years	53
Available-for-sale, recorded basis, total	1,035
Held-To-Maturity
Due in one year or less	315
Due after one year through five years	0
Due after five years	0
Held-to-maturity, cost basis, total	$ 315