Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation Share-Based Compensation (Details)

v3.7.0.1
Basis of Presentation Share-Based Compensation (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 26, 2017
Mar. 27, 2016
Mar. 26, 2017
Mar. 27, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based compensation expense before income taxes $ 246 $ 247 $ 485 $ 494
Related income tax benefit (36) (27) (84) (87)
Share-based compensation expense, net of income taxes 210 220 401 407
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 1,300   $ 1,300  
Weighted-average period over which unrecognized compensation expense related to nonvested restricted stock units is expected to be recognized     1 year 11 months  
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 10 $ 20 20
Research and development [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based compensation expense before income taxes 155 161 308 326
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 $ 81 $ 76 $ 157 $ 148