Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans Employee Stock Purchase Plan (Details)

v3.8.0.1
Employee Benefit Plans Employee Stock Purchase Plan (Details) - Employee Stock Purchase Plans [Member] - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Sep. 24, 2017
Sep. 25, 2016
Sep. 27, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percentage applied to fair market value of the Company's common stock to determine purchase price 85.00%    
Maximum amount of employee compensation that can be withheld 15.00%    
Shares authorized 71,709,000    
Shares reserved for future issuances 14,648,000    
Shares issued in period 5,746,000 5,966,000 4,977,000
Unrecognized compensation expense related to non-vested awards $ 26    
Cash received from the exercise of purchase rights $ 260 $ 232 $ 268
Weighted Average [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Average price per share issued $ 45.29 $ 38.89 $ 53.92