Leases (Details) - USD ($) $ in Millions	Apr. 01, 2023	Oct. 01, 2022
Operating Leases [Abstract]
Operating lease right-of-use assets	$ 507	$ 521
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Operating lease right-of-use assets	Operating lease right-of-use assets
Current operating lease liabilities	$ 109	$ 108
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other current liabilities	Other current liabilities
Noncurrent operating lease liabilities	$ 414	$ 429
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Noncurrent operating lease liabilities	Noncurrent operating lease liabilities
Finance Leases [Abstract]
Finance lease right-of-use assets	$ 34	$ 38
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment	Property, plant and equipment
Current finance lease liability	$ 9	$ 9
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Current portion of long-term debt	Current portion of long-term debt
Noncurrent finance lease liabilities	$ 21	$ 24
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Long-term debt	Long-term debt