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Equity Plans - Stock-based compensation expense (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 02, 2017
Mar. 03, 2016
Mar. 02, 2017
Mar. 03, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation $ 55 $ 55 $ 101 $ 101
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 438   $ 438  
Weighted average period that unrecognized compensation costs is expected to be recognized (in years)     1 year 4 months  
Stock options        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation 18 22 $ 35 42
Restricted stock awards        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation 37 33 66 59
Cost of goods sold        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation 23 19 42 37
Selling, general, and administrative        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation 18 21 33 38
Research and development        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation $ 14 $ 15 $ 26 $ 26