Leases - ROU Assets and Lease Liabilities (Details) - USD ($) $ in Millions	Sep. 27, 2025	Sep. 28, 2024
Lease-Related Assets and Liabilities
Operating lease right-of-use assets	$ 11,205	$ 10,234
Operating lease, right-of-use asset, statement of financial position [Extensible Enumeration]	Other non-current assets	Other non-current assets
Finance lease right-of-use assets	$ 1,033	$ 1,069
Finance lease, right-of-use asset, statement of financial position [Extensible Enumeration]	Property, plant and equipment, net	Property, plant and equipment, net
Total right-of-use assets	$ 12,238	$ 11,303
Operating lease liabilities, current	$ 1,579	$ 1,488
Operating lease, liability, current, statement of financial position [Extensible Enumeration]	Other current liabilities	Other current liabilities
Operating lease liabilities, non-current	$ 10,911	$ 10,046
Operating lease, liability, noncurrent, statement of financial position [Extensible Enumeration]	Other non-current liabilities	Other non-current liabilities
Finance lease liabilities, current	$ 538	$ 144
Finance lease, liability, current, statement of financial position [Extensible Enumeration]	Other current liabilities	Other current liabilities
Finance lease liabilities, non-current	$ 692	$ 752
Finance lease, liability, noncurrent, statement of financial position [Extensible Enumeration]	Other non-current liabilities	Other non-current liabilities
Total lease liabilities	$ 13,720	$ 12,430