Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation Share-Based Compensation Expense (Details)

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Basis of Presentation Share-Based Compensation Expense (Details) (USD $)
 3 Months Ended 9 Months Ended
Jun. 29, 2014
Jun. 30, 2013
Jun. 29, 2014
Jun. 30, 2013
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Share-based compensation expense before income taxes $ 274,000,000 $ 280,000,000 $ 806,000,000 $ 831,000,000
Related income tax benefit (42,000,000) (58,000,000) (151,000,000) (169,000,000)
Share-based compensation expense, net of income taxes 232,000,000 222,000,000 655,000,000 662,000,000
Share-based compensation expense related to share-based awards granted during period     177,000,000 152,000,000
Net share-based awards granted during period, after forfeitures and cancelations, as a percentage of outstanding shares as of the beginning of each fiscal period     0.80% 0.70%
Total share-based awards granted during period as a percentage of outstanding shares as of the end of each fiscal period     0.90% 0.80%
Cost of equipment and services revenues
        
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Share-based compensation expense before income taxes 12,000,000 18,000,000 37,000,000 55,000,000
Research and development
        
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Share-based compensation expense before income taxes 174,000,000 166,000,000 510,000,000 479,000,000
Selling, general and administrative
        
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Share-based compensation expense before income taxes 88,000,000 96,000,000 259,000,000 297,000,000
Restricted Stock Units [Member]
        
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Unrecognized compensation costs related to non-vested restricted stock units $ 1,500,000,000   $ 1,500,000,000  
Weighted average period over which unrecognized compensation expense related to nonvested restricted stock units is expected to be recognized     2 years 0 months