Equity Plans - Stock-based compensation expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Feb. 28, 2019	Mar. 01, 2018	Feb. 28, 2019	Mar. 01, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	$ 57	$ 52	$ 118	$ 103
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Tax benefit from compensation expense	30	58	53	116
Total unrecognized compensation costs related to unvested awards expected to be recognized	450		$ 450
Weighted average period that unrecognized compensation costs is expected to be recognized (in years)			1 year 5 months
Restricted stock award
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	42	38	$ 83	72
Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	7	14	19	31
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	8	0	16	0
Cost of goods sold
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	23	22	49	42
Selling, general, and administrative
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	18	16	37	34
Research and development
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	$ 16	$ 14	$ 32	$ 27