Equity Plans - Stock-based compensation expense (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 29, 2019	Aug. 30, 2018	Aug. 31, 2017
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	$ 243	$ 198	$ 215
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Tax benefit from compensation expense	66	158	97
Total unrecognized compensation costs related to non-vested awards expected to be recognized	$ 439
Weighted average period that unrecognized compensation costs is expected to be recognized (in years)	1 year 4 months
Restricted stock awards
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	$ 178	140	144
Employee stock option
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	33	55	71
Employee Stock Purchase Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	32	3	0
Equity plans
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Stock compensation expense capitalized and remained in inventory	30	19
Cost of Goods Sold
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	102	83	88
Selling, general, and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	73	61	75
Research and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	$ 68	$ 54	$ 52