Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies Operating Leases (Details)

v3.20.1
Commitments and Contingencies Operating Leases (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Mar. 29, 2020
Mar. 31, 2019
Mar. 29, 2020
Mar. 31, 2019
Sep. 30, 2019
Sep. 29, 2019
Leases, Operating [Abstract]            
Description of lessee leasing arrangements, operating leases     We lease certain of our land, facilities and equipment under operating leases, with terms ranging from less than one year to 20 years, some of which include options to extend for up to 20 years.      
Operating Lease, Right-of-Use Asset $ 475   $ 475   $ 449  
Operating Lease, Liability, Current 132   132   127  
Operating Lease, Liability, Noncurrent 389   389   373  
Operating Lease, Expense $ 44   88      
Operating Leases, Rent Expense   $ 35   $ 72    
Operating Lease, Payments     $ 74      
Operating Lease, Weighted Average Remaining Lease Term 6 years   6 years      
Operating Lease, Weighted Average Discount Rate, Percent 4.00%   4.00%      
Operating Leases, Future Payments Due, Fiscal Year Maturity [Abstract]            
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year $ 76   $ 76      
Lessee, Operating Lease, Liability, Payments, Due Year Two 130   130      
Lessee, Operating Lease, Liability, Payments, Due Year Three 109   109      
Lessee, Operating Lease, Liability, Payments, Due Year Four 66   66      
Lessee, Operating Lease, Liability, Payments, Due Year Five 47   47      
Lessee, Operating Lease, Liability, Payments, Due after Year Five 172   172      
Total future lease payments 600   600      
Imputed interest (79)   (79)      
Operating Lease, Liability $ 521   $ 521   $ 500  
Remainder due in fiscal year - operating leases           $ 138
Due in two years - operating leases           97
Due in three years - operating leases           66
Due in four years - operating leases           31
Due in five years - operating leases           18
Thereafter - operating leases           35
Operating Leases, Future Minimum Payments Due           $ 385