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	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023	Oct. 01, 2022
Accounting Policies [Abstract]
Cash and cash equivalents	$ 5,695	$ 6,002	$ 14,182
Restricted Cash and Investments, Noncurrent	104	100	53
Cash, cash equivalents and restricted cash	$ 5,799	$ 6,102	$ 14,235	$ 11,661