Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans Stock Options (Details)

v3.3.0.814
Employee Benefit Plans Stock Options (Details) - Employee Stock Option [Member] - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 12 Months Ended
Sep. 27, 2015
Sep. 28, 2014
Sep. 29, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum vesting period 5 years    
Stock option exercisable period after grant date 10 years    
Total intrinsic value of stock options exercised $ 371 $ 971 $ 949
Cash received from the exercise of stock options 519 1,200 1,300
Tax benefits realized related to share-based awards $ 437 $ 690 $ 659
Summary of Stock Option Transactions for All Stock Option Plan [Roll Forward]      
Stock options outstanding, Beginning balance 42,113    
Stock options canceled/forfeited/expired (72)    
Stock options exercised (12,664)    
Stock options outstanding, Ending balance 29,377 42,113  
Stock options exercisable at end of period 29,223    
Stock options outstanding at beginning of the year, weighted-average exercise price $ 41.23    
Stock options cancelled/forfeited/expired, weighted-average exercise price 40.82    
Stock options exercised, weighted-average exercise price 40.86    
Stock options outstanding at end of the year, weighted-average exercise price 41.40 $ 41.23  
Stock options exercisable at end of period, weighted-average exercise price $ 41.46    
Stock options outstanding at end of period, average remaining contractual term 2 years 7 months    
Stock options exercisable at end of period, average remaining contractual term 2 years 7 months    
Stock options outstanding at the end of the period, aggregate intrinsic value $ 349    
Stock options exercisable at end of the period, aggregate intrinsic value $ 345