Equity Plans - Stock-based compensation expense (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Aug. 28, 2014	Aug. 29, 2013	Aug. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	$ 115	$ 91	$ 87
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Total unrecognized compensation costs, net of estimated forfeitures, related to non-vested awards expected to be recognized	275
Weighted average period that unrecognized compensation costs is expected to be recognized (in years)	1 year 5 months
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	61	57	57
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	54	34	30
Employee plans [Member]
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Stock compensation expense capitalized and remained in inventory	9	6
Cost of Goods Sold [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	39	27	23
Selling, General and Administrative Expenses [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	50	45	47
Research and Development [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	25	18	17
Other [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	$ 1	$ 1	$ 0