Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans Stock Options (Details)

v3.10.0.1
Employee Benefit Plans Stock Options (Details) - Employee Stock Option [Member] - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Sep. 30, 2018
Sep. 24, 2017
Sep. 25, 2016
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 $ 156 $ 118 $ 147
Cash received from the exercise of stock options 317 236 436
Employee Service Share-based Compensation, Tax Benefit from Exercise of Stock Options $ 254 $ 301 $ 253
Summary of stock option transactions [Roll Forward]      
Stock options outstanding, Beginning balance 12,385    
Stock options canceled/forfeited/expired (59)    
Stock options exercised (7,739)    
Stock options outstanding, Ending balance 4,587 12,385  
Stock options exercisable at end of period 4,587    
Stock options outstanding at beginning of the year, weighted-average exercise price $ 40.99    
Stock options canceled/forfeited/expired, weighted-average exercise price 41.78    
Stock options exercised, weighted-average exercise price 41.03    
Stock options outstanding at end of the year, weighted-average exercise price 40.92 $ 40.99  
Stock options exercisable at end of period, weighted-average exercise price $ 40.92    
Stock options outstanding at end of period, average remaining contractual term 10 months    
Stock options exercisable at end of period, average remaining contractual term 10 months    
Stock options outstanding at the end of the period, aggregate intrinsic value $ 143    
Stock options exercisable at end of the period, aggregate intrinsic value $ 143