Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans Employee Savings and Retirement Plan (Details)

v3.20.2
Employee Benefit Plans Employee Savings and Retirement Plan (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 27, 2020
Sep. 29, 2019
Sep. 30, 2018
Employee Savings and Retirement Plan [Abstract]      
Percentage of eligible employee compensation that can be contributed to 401(k) plan subject to annual limits 85.00%    
Company's contribution expense to 401(k) plan $ 69 $ 64 $ 78