Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans Employee Stock Purchase Plan (Details)

v3.19.3
Employee Benefit Plans Employee Stock Purchase Plan (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Mar. 23, 2018
Sep. 29, 2019
Sep. 30, 2018
Sep. 24, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share reserve approved 30.0      
Employee Stock Purchase Plans [Member]        
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   101.7    
Shares reserved for future issuances   32.8    
Shares issued in period   6.1 5.8 5.7
Unrecognized compensation expense related to non-vested awards   $ 27    
Cash received from the exercise of purchase rights   $ 257 $ 286 $ 260
Weighted Average [Member] | Employee Stock Purchase Plans [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Average price per share issued   $ 42.13 $ 49.41 $ 45.29