Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation Share-Based Compensation (Details)

v3.3.1.900
Basis of Presentation Share-Based Compensation (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 27, 2016
Mar. 29, 2015
Mar. 27, 2016
Mar. 29, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based compensation expense before income taxes $ 247 $ 249 $ 494 $ 522
Related income tax benefit (27) (43) (87) (86)
Share-based compensation expense, net of income taxes 220 $ 206 407 436
Share-based compensation expense related to share-based awards granted during the period     96 $ 81
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 $ 1,400   $ 1,400  
Weighted-average period over which unrecognized compensation expense related to nonvested restricted stock units is expected to be recognized     2 years  
Equity Compensation Plans Consolidated [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Net share based awards granted in fiscal year, after forfeitures and cancellations as percent of total outstanding shares at beginning of fiscal period 0.70% 0.40% 0.70% 0.40%
Total share based awards granted in fiscal year as percent of total outstanding shares at end of fiscal period 0.90% 0.50% 0.90% 0.50%
Cost of equipment and services revenues [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based compensation expense before income taxes $ 10 $ 11 $ 20 $ 23
Research and development [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based compensation expense before income taxes 161 158 326 333
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 $ 76 $ 80 $ 148 $ 166