Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation Share-Based Compensation (Details)

v3.8.0.1
Basis of Presentation Share-Based Compensation (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended
Dec. 24, 2017
Dec. 25, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Share-based compensation expense before income taxes $ 248 $ 239
Related income tax benefit (49) (49)
Share-based compensation expense, net of income taxes 199 190
Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Unrecognized compensation costs related to non-vested restricted stock units $ 1,500  
Weighted-average period over which unrecognized compensation expense related to nonvested restricted stock units is expected to be recognized 2 years 2 months  
RSUs outstanding 28.8  
Employee Stock Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Stock options outstanding 9.1  
Cost of equipment and service revenues [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Share-based compensation expense before income taxes $ 10 9
Research and development [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Share-based compensation expense before income taxes 156 153
Selling, general and administrative [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Share-based compensation expense before income taxes $ 82 $ 77