Reconciliation of Cash, Cash Equivalents and Restricted Cash Reported in the Condensed Consolidated Balance Sheet to the Total Amount in the Condensed Consolidated Statements of Cash Flows (Details) - USD ($) $ in Millions	Jan. 01, 2022	Oct. 02, 2021	Jan. 02, 2021	Oct. 03, 2020
Accounting Policies [Abstract]
Cash and Cash Equivalents	$ 14,444	$ 15,959
Restricted Cash and Investments, Current	3	3
Restricted Cash and Investments, Noncurrent	41	41
Cash, Cash Equivalents and Restricted Cash in the Statement of Cash Flows	$ 14,488	$ 16,003	$ 17,112	$ 17,954