Summary of Significant Accounting Policies - Reconciliation of Cash, Cash Equivalents and Restricted Cash Reported in the Consolidated Balance Sheet that sum to the Total Amount in the Statement of Cash Flow (Details) - USD ($) $ in Millions	Oct. 01, 2022	Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Accounting Policies [Abstract]
Cash and cash equivalents	$ 11,615	$ 15,959	$ 17,914
Restricted Cash and Investments, Current	3	3	3
Restricted Cash and Investments, Noncurrent	43	41	37
Cash, cash equivalents and restricted cash	$ 11,661	$ 16,003	$ 17,954	$ 5,455