Equity Plans - Stock-based compensation expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Feb. 27, 2020	Feb. 28, 2019	Feb. 27, 2020	Feb. 28, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	$ 85	$ 57	$ 157	$ 118
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Tax benefit from share-based compensation expense	53	30	79	53
Total unrecognized compensation costs related to non-vested awards expected to be recognized	656		$ 656
Weighted average period that unrecognized compensation costs are expected to be recognized (in years)			1 year 4 months 24 days
Restricted stock awards
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	70	42	$ 127	83
Employee stock purchase plan (ESPP)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	11	8	19	16
Stock options
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	4	7	11	19
Cost of goods sold
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	37	23	68	49
Selling, general, and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	26	18	48	37
Research and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	$ 22	$ 16	$ 41	$ 32